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<document id="7010B6FF9A2D41F0E287BD342A13EE58" ID-DOI="10.11646/zootaxa.3206.1.1" ID-ISSN="1175-5326" ID-Zenodo-Dep="5248211" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629763028550" checkinUser="felipe" docAuthor="Bekker, Eugeniya I., Kotov, Alexey A. &amp; Taylor, Derek J." docDate="2012" docId="F91187EDFFEF2E3E75C6FAE6FE61F9F7" docLanguage="en" docName="zt03206p040.pdf" docOrigin="Zootaxa 3206 (1)" docSource="https://biotaxa.org/Zootaxa/article/view/zootaxa.3206.1.1" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Eurycercus macracanthus Frey 1973" docType="treatment" docVersion="3" lastPageNumber="16" masterDocId="0528FF95FFE62E317551FFB9FFC9FFA3" masterDocTitle="A revision of the subgenus Eurycercus (Eurycercus) Baird, 1843 emend. nov. (Cladocera: Eurycercidae) in the Holarctic with the description of a new species from Alaska" masterLastPageNumber="40" masterPageNumber="1" pageNumber="10" updateTime="1699108614853" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="8929C70726C63FB9A6B52163D995AEDE">A revision of the subgenus Eurycercus (Eurycercus) Baird, 1843 emend. nov. (Cladocera: Eurycercidae) in the Holarctic with the description of a new species from Alaska</mods:title>
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<mods:namePart id="4B642F0558046CD5C1F822FBB791BDC9">Bekker, Eugeniya I.</mods:namePart>
<mods:affiliation id="393753F5B519C8B5FD95865BCBAE386B">A. N. Severtsov Institute of Ecology and Evolution, Leninsky Prospect 33, Moscow 119071, Russia.</mods:affiliation>
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<mods:namePart id="167CAA0A4C555B2B53D35E0FC072104D">Kotov, Alexey A.</mods:namePart>
<mods:affiliation id="0EF1AAE26E3E4B288EEE1B82B0DC242C">A. N. Severtsov Institute of Ecology and Evolution, Leninsky Prospect 33, Moscow 119071, Russia.</mods:affiliation>
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<mods:namePart id="21AA36CCA61BEC2D41FD811D29141A99">Taylor, Derek J.</mods:namePart>
<mods:affiliation id="B0C4807A7564F73F85E2B62283BFE47D">Department of Biological Sciences, The State University of New York at Buffalo, Buffalo, NY 14260, USA.</mods:affiliation>
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<subSubSection id="39A26570FFEF2E3875C6FAE6FD94FADA" box="[151,605,1375,1401]" pageId="9" pageNumber="10" type="nomenclature">
<paragraph id="710736FBFFEF2E3875C6FAE6FD94FADA" blockId="9.[151,605,1375,1434]" box="[151,605,1375,1401]" pageId="9" pageNumber="10">
<heading id="2A4F8197FFEF2E3875C6FAE6FD94FADA" bold="true" box="[151,605,1375,1401]" fontSize="11" level="1" pageId="9" pageNumber="10" reason="1">
<taxonomicName id="B6B84D78FFEF2E3875C6FAE6FD94FADA" ID-CoL="3D3K7" authority="Frey, 1973" authorityName="Frey" authorityYear="1973" box="[151,605,1375,1401]" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="10" phylum="Arthropoda" rank="species" species="macracanthus">
<emphasis id="43CCEAE9FFEF2E3875C6FAE6FD94FADA" bold="true" box="[151,605,1375,1401]" pageId="9" pageNumber="10">
<emphasis id="43CCEAE9FFEF2E3875C6FAE6FE1CFADA" bold="true" box="[151,469,1375,1401]" italics="true" pageId="9" pageNumber="10">Eurycercus macracanthus</emphasis>
Frey, 1973
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<subSubSection id="39A26570FFEF2E3875C6FA3BFD8AFA5C" pageId="9" pageNumber="10" type="description">
<paragraph id="710736FBFFEF2E3875C6FA3BFF31FA39" blockId="9.[151,605,1375,1434]" box="[151,248,1410,1434]" pageId="9" pageNumber="10">
<figureCitation id="E9832A7EFFEF2E3875C6FA3BFF31FA39" box="[151,248,1410,1434]" captionStart-0="FIGURE 3" captionStart-1="FIGURE 4" captionStartId-0="12.[151,250,1839,1862]" captionStartId-1="13.[151,250,1885,1908]" captionTargetBox-0="[214,1374,201,1803]" captionTargetBox-1="[240,1365,199,1868]" captionTargetId-0="figure-137@12.[212,1380,193,1809]" captionTargetId-1="figure-117@13.[233,1367,193,1878]" captionTargetPageId-0="12" captionTargetPageId-1="13" captionText-0="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." captionText-1="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi-0="http://doi.org/10.5281/zenodo.5248217" figureDoi-1="http://doi.org/10.5281/zenodo.5248219" httpUri-0="https://zenodo.org/record/5248217/files/figure.png" httpUri-1="https://zenodo.org/record/5248219/files/figure.png" pageId="9" pageNumber="10">Figs 3–4</figureCitation>
</paragraph>
<paragraph id="710736FBFFEF2E3875C6FA72FD8AFA5C" blockId="9.[151,1435,1482,1566]" pageId="9" pageNumber="10">
<taxonomicName id="B6B84D78FFEF2E3875C6FA72FD97FA43" authority="Frey, 1973, p. 225" authorityName="Frey" authorityPageNumber="225" authorityYear="1973" box="[151,606,1482,1504]" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="10" phylum="Arthropoda" rank="species" species="macrocanthus">
<emphasis id="43CCEAE9FFEF2E3875C6FA72FE57FA43" box="[151,414,1482,1504]" italics="true" pageId="9" pageNumber="10">Eurycercus macrocanthus</emphasis>
Frey, 1973, p. 225
</taxonomicName>
–248,
<figureCitation id="E9832A7EFFEF2E3877CDFA73FD3FFA43" box="[668,758,1482,1504]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStartId-0="6.[151,250,1495,1518]" captionStartId-1="8.[151,250,1721,1744]" captionTargetBox-0="[188,1405,223,1440]" captionTargetBox-1="[162,1395,434,1668]" captionTargetId-0="figure-267@6.[151,1436,195,1471]" captionTargetId-1="figure-263@8.[151,1436,405,1706]" captionTargetPageId-0="6" captionTargetPageId-1="8" captionText-0="FIGURE 1. Distribution of species from the subgenus Eurycercus (Eurycercus) emend. nov. in the Holarctic according to our original samples—no literature data included. E. lamellatus—grey circles. E. macracanthus—black circles. E. pompholygodes—solid quadrates (red in electronic version). E. microdontus—black stars. E. longirostris—grey quadrates. E. nipponica—solid triangles (green in electronic version). E. beringi sp. nov.—black crosses." captionText-1="FIGURE 2. Characteristic traits of different species of Eurycercus (Eurycercus) emend. nov. A–B, E. longirostris, dorsal view and dorsal head pores in lateral view. C–D, E. lamellatus, dorsal view and dorsal head pores in lateral view. E–F, E. beringi sp. nov., dorsal view and dorsal head pores in lateral view. Rather schematic, not to scale." figureDoi-0="http://doi.org/10.5281/zenodo.5248213" figureDoi-1="http://doi.org/10.5281/zenodo.5248215" httpUri-0="https://zenodo.org/record/5248213/files/figure.png" httpUri-1="https://zenodo.org/record/5248215/files/figure.png" pageId="9" pageNumber="10">Figs 1–2</figureCitation>
,
<figureCitation id="E9832A7EFFEF2E387650FA73FCFFFA43" box="[769,822,1482,1504]" captionStart-0="FIGURE 5" captionStart-1="FIGURE 6" captionStart-2="FIGURE 7" captionStart-3="FIGURE 8" captionStart-4="FIGURE 9" captionStart-5="FIGURE 10" captionStartId-0="16.[151,250,1938,1961]" captionStartId-1="21.[151,250,1873,1896]" captionStartId-2="22.[151,250,1907,1930]" captionStartId-3="25.[151,250,1901,1924]" captionStartId-4="26.[151,250,1863,1886]" captionStartId-5="28.[151,250,1856,1879]" captionTargetBox-0="[196,1396,197,1858]" captionTargetBox-1="[209,1377,201,1823]" captionTargetBox-2="[247,1342,185,1882]" captionTargetBox-3="[155,1424,527,1873]" captionTargetBox-4="[158,1425,250,1794]" captionTargetBox-5="[177,1420,759,1843]" captionTargetId-0="figure-86@16.[188,1398,193,1918]" captionTargetId-1="figure-122@21.[209,1377,193,1832]" captionTargetId-2="figure-103@22.[243,1345,175,1891]" captionTargetId-3="figure-249@25.[151,1436,517,1889]" captionTargetId-4="figure-101@26.[151,1436,241,1803]" captionTargetId-5="figure-384@28.[169,1426,737,1843]" captionTargetPageId-0="16" captionTargetPageId-1="21" captionTargetPageId-2="22" captionTargetPageId-3="25" captionTargetPageId-4="26" captionTargetPageId-5="28" captionText-0="FIGURE 5. Eurycercus pompholygodes, parthenogenetic female from Lake №6 near River Tareya, a tributary of River Pyasina, Taimyr Autonomous Area, Russia. A, lateral view. B, ventral view. C, anterior view. D, head. E, head pores. F, postabdomen. G, its distal portion. H, antenna I. I–J, inner distal lobe of limb I. Scale bar denotes 1 mm (A–C); 0.1 mm (D–J)." captionText-1="FIGURE 6. Eurycercus longirostris, parthenogenetic female from CPR WDS, California, U.S.A. (A, C, D, F, G, H, K, L); Oliver Lake, Indiana, U.S.A. (B, E, I); Lake La Luna, in the crater of the volcano Nevado de Toluca, State of Mexico, Mexico (J). A, lateral view. B, head. C, head shield. D, head pores. E, labrum, ventral view. F, setae at anterior portion of valves. G, setae at postero-ventral portion of valve. H, armature of valve posterior margin. I, postabdomen. J, its distal portion. K, antenna I. L, antenna II. Scale bar denotes 1 mm (A); 0.1 mm (B-I)." captionText-2="FIGURE 7. Eurycercus longirostris, limbs of parthenogenetic female from CPR WDS, California, USA (A–C, E–K); Lake La Luna, in the crater of the volcano Nevado de Toluca, State of Mexico, Mexico (D, L). A, limb I. B, its distal portion. C–D, inner distal lobe. E, limb II. F, distal armature of its gnathobase. G, limb III. H, its inner-distal portion. I, limb IV. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." captionText-3="FIGURE 8. Eurycercus nipponica, female from a swampy area (with a fresh bear trail in time of sampling) near Travianoy Cape, Kurilskoe Lake, Kamchatka Area, Russia A, parthenogenetic female, lateral view. B–C, ephippial female, lateral and anterior view. D, parthenogenetic female, ventral view. E, head. F, dorsal head pores. G, postabdomen. H, its distal portion. I, its basal portion. J, antenna I. K, antenna II. Scale bar denotes 1 mm (A–D); 0.1 mm (E–K)." captionText-4="FIGURE 9. Eurycercus nipponica, limbs of parthenogenetic female from a swampy area (with a fresh bear trail in time of sampling) near Travianoy Cape, Kurilskoe Lake, Kamchatka Area, Russia A, limb I. B, inner distal lobe of limb I. C, limb II. D, its distal armature. E, limb III. F, distal armature of its gnathobase. G, limb IV. H, distal armature of its gnathobase. I, limb V. J, limb VI. Scale bar denotes 0.1 mm." captionText-5="FIGURE 10. Eurycercus beringi sp.nov., parthenogenetic female from Council #05: a roadside pond &lt;1.5 m deep, 10 X 25 m, Seward Peninsula, Alaska, U.S.A. A, lateral view. B, dorsal view. C, head. D–E, head pores, lateral and dorsal view. F–G, labrum, lateral and ventral view. H, valve. I, setae at antero-ventral valve portion. J, setae at postero-ventral valve portion. K, armature of valve posterior margin. L, mandible. M, postabdomen. N, its distal portion. O, its basal portion. Scale bar denotes 1 mm (A–C, H, L–M); 0.1 mm (D–G, I–K, N–O)." figureDoi-0="http://doi.org/10.5281/zenodo.5248221" figureDoi-1="http://doi.org/10.5281/zenodo.5248223" figureDoi-2="http://doi.org/10.5281/zenodo.5248225" figureDoi-3="http://doi.org/10.5281/zenodo.5248229" figureDoi-4="http://doi.org/10.5281/zenodo.5248231" figureDoi-5="http://doi.org/10.5281/zenodo.5248233" httpUri-0="https://zenodo.org/record/5248221/files/figure.png" httpUri-1="https://zenodo.org/record/5248223/files/figure.png" httpUri-2="https://zenodo.org/record/5248225/files/figure.png" httpUri-3="https://zenodo.org/record/5248229/files/figure.png" httpUri-4="https://zenodo.org/record/5248231/files/figure.png" httpUri-5="https://zenodo.org/record/5248233/files/figure.png" pageId="9" pageNumber="10">5–10</figureCitation>
, 23, 25–26, 28–30, 33–34, 37, 40–41, 44–45, 48–51, 61–62;
<bibRefCitation id="15294B0AFFEF2E387596FA50FEA5FA5C" author="Chen, S. Z. &amp; Tang, W. Q. &amp; Zhang, P." box="[199,364,1513,1535]" pageId="9" pageNumber="10" pagination="68 - 69" refId="ref24845" refString="Chen, S. Z., Tang, W. Q. &amp; Zhang, P. (1995) A new record of Cladocera (Eurycercus macrocanthus Frey, 1973) in China. Sichuan Journal of Zoology, 14, 68 - 69." type="journal article" year="1995">
Chen
<emphasis id="43CCEAE9FFEF2E387450FA53FEFDFA5C" box="[257,308,1513,1535]" italics="true" pageId="9" pageNumber="10">et al.</emphasis>
1995
</bibRefCitation>
, p. 68–69,
<figureCitation id="E9832A7EFFEF2E387488FA50FDF6FA5C" box="[473,575,1513,1535]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-10="FIGURE 11" captionStart-11="FIGURE 12" captionStart-2="FIGURE 3" captionStart-3="FIGURE 4" captionStart-4="FIGURE 5" captionStart-5="FIGURE 6" captionStart-6="FIGURE 7" captionStart-7="FIGURE 8" captionStart-8="FIGURE 9" captionStart-9="FIGURE 10" captionStartId-0="6.[151,250,1495,1518]" captionStartId-1="8.[151,250,1721,1744]" captionStartId-10="30.[151,250,1911,1934]" captionStartId-11="33.[151,250,1916,1939]" captionStartId-2="12.[151,250,1839,1862]" captionStartId-3="13.[151,250,1885,1908]" captionStartId-4="16.[151,250,1938,1961]" captionStartId-5="21.[151,250,1873,1896]" captionStartId-6="22.[151,250,1907,1930]" captionStartId-7="25.[151,250,1901,1924]" captionStartId-8="26.[151,250,1863,1886]" captionStartId-9="28.[151,250,1856,1879]" captionTargetBox-0="[188,1405,223,1440]" captionTargetBox-1="[162,1395,434,1668]" captionTargetBox-10="[213,1374,200,1878]" captionTargetBox-11="[223,1378,211,1869]" captionTargetBox-2="[214,1374,201,1803]" captionTargetBox-3="[240,1365,199,1868]" captionTargetBox-4="[196,1396,197,1858]" captionTargetBox-5="[209,1377,201,1823]" captionTargetBox-6="[247,1342,185,1882]" captionTargetBox-7="[155,1424,527,1873]" captionTargetBox-8="[158,1425,250,1794]" captionTargetBox-9="[177,1420,759,1843]" captionTargetId-0="figure-267@6.[151,1436,195,1471]" captionTargetId-1="figure-263@8.[151,1436,405,1706]" captionTargetId-10="figure-104@30.[210,1379,189,1883]" captionTargetId-11="figure-96@33.[208,1382,187,1898]" captionTargetId-2="figure-137@12.[212,1380,193,1809]" captionTargetId-3="figure-117@13.[233,1367,193,1878]" captionTargetId-4="figure-86@16.[188,1398,193,1918]" captionTargetId-5="figure-122@21.[209,1377,193,1832]" captionTargetId-6="figure-103@22.[243,1345,175,1891]" captionTargetId-7="figure-249@25.[151,1436,517,1889]" captionTargetId-8="figure-101@26.[151,1436,241,1803]" captionTargetId-9="figure-384@28.[169,1426,737,1843]" captionTargetPageId-0="6" captionTargetPageId-1="8" captionTargetPageId-10="30" captionTargetPageId-11="33" captionTargetPageId-2="12" captionTargetPageId-3="13" captionTargetPageId-4="16" captionTargetPageId-5="21" captionTargetPageId-6="22" captionTargetPageId-7="25" captionTargetPageId-8="26" captionTargetPageId-9="28" captionText-0="FIGURE 1. Distribution of species from the subgenus Eurycercus (Eurycercus) emend. nov. in the Holarctic according to our original samples—no literature data included. E. lamellatus—grey circles. E. macracanthus—black circles. E. pompholygodes—solid quadrates (red in electronic version). E. microdontus—black stars. E. longirostris—grey quadrates. E. nipponica—solid triangles (green in electronic version). E. beringi sp. nov.—black crosses." captionText-1="FIGURE 2. Characteristic traits of different species of Eurycercus (Eurycercus) emend. nov. A–B, E. longirostris, dorsal view and dorsal head pores in lateral view. C–D, E. lamellatus, dorsal view and dorsal head pores in lateral view. E–F, E. beringi sp. nov., dorsal view and dorsal head pores in lateral view. Rather schematic, not to scale." captionText-10="FIGURE 11. Eurycercus beringi sp.nov., head and thoracic appendages of parthenogenetic female from Council #05: a roadside pond &lt;1.5 m deep, 10 X 25 m, Seward Peninsula, Alaska, U.S.A. A, antenna I. B, antenna II. C, limb I. D, inner distal lobe of limb I. E, limb II. F, distal armature of its gnathobase. G, limb III. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. K, limb VI. Scale bar denotes 0.1 mm." captionText-11="FIGURE 12. Phylogram based on an alignment of mitochondrial COI sequences for the genus Eurycercus. The tree is midpoint rooted and based on the best ML tree found in PhyML 3.0 (see text). Support values are from nonparametric bootstrap and from approximate likelihood ratio tests. Values less than 70 or 0.7 are not shown. The scale bar represents substitutions per site based on a GTR+I+G model. Proposed species are numbered. See Table 1 for Genbank Accession numbers." captionText-2="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." captionText-3="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." captionText-4="FIGURE 5. Eurycercus pompholygodes, parthenogenetic female from Lake №6 near River Tareya, a tributary of River Pyasina, Taimyr Autonomous Area, Russia. A, lateral view. B, ventral view. C, anterior view. D, head. E, head pores. F, postabdomen. G, its distal portion. H, antenna I. I–J, inner distal lobe of limb I. Scale bar denotes 1 mm (A–C); 0.1 mm (D–J)." captionText-5="FIGURE 6. Eurycercus longirostris, parthenogenetic female from CPR WDS, California, U.S.A. (A, C, D, F, G, H, K, L); Oliver Lake, Indiana, U.S.A. (B, E, I); Lake La Luna, in the crater of the volcano Nevado de Toluca, State of Mexico, Mexico (J). A, lateral view. B, head. C, head shield. D, head pores. E, labrum, ventral view. F, setae at anterior portion of valves. G, setae at postero-ventral portion of valve. H, armature of valve posterior margin. I, postabdomen. J, its distal portion. K, antenna I. L, antenna II. Scale bar denotes 1 mm (A); 0.1 mm (B-I)." captionText-6="FIGURE 7. Eurycercus longirostris, limbs of parthenogenetic female from CPR WDS, California, USA (A–C, E–K); Lake La Luna, in the crater of the volcano Nevado de Toluca, State of Mexico, Mexico (D, L). A, limb I. B, its distal portion. C–D, inner distal lobe. E, limb II. F, distal armature of its gnathobase. G, limb III. H, its inner-distal portion. I, limb IV. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." captionText-7="FIGURE 8. Eurycercus nipponica, female from a swampy area (with a fresh bear trail in time of sampling) near Travianoy Cape, Kurilskoe Lake, Kamchatka Area, Russia A, parthenogenetic female, lateral view. B–C, ephippial female, lateral and anterior view. D, parthenogenetic female, ventral view. E, head. F, dorsal head pores. G, postabdomen. H, its distal portion. I, its basal portion. J, antenna I. K, antenna II. Scale bar denotes 1 mm (A–D); 0.1 mm (E–K)." captionText-8="FIGURE 9. Eurycercus nipponica, limbs of parthenogenetic female from a swampy area (with a fresh bear trail in time of sampling) near Travianoy Cape, Kurilskoe Lake, Kamchatka Area, Russia A, limb I. B, inner distal lobe of limb I. C, limb II. D, its distal armature. E, limb III. F, distal armature of its gnathobase. G, limb IV. H, distal armature of its gnathobase. I, limb V. J, limb VI. Scale bar denotes 0.1 mm." captionText-9="FIGURE 10. Eurycercus beringi sp.nov., parthenogenetic female from Council #05: a roadside pond &lt;1.5 m deep, 10 X 25 m, Seward Peninsula, Alaska, U.S.A. A, lateral view. B, dorsal view. C, head. D–E, head pores, lateral and dorsal view. F–G, labrum, lateral and ventral view. H, valve. I, setae at antero-ventral valve portion. J, setae at postero-ventral valve portion. K, armature of valve posterior margin. L, mandible. M, postabdomen. N, its distal portion. O, its basal portion. Scale bar denotes 1 mm (A–C, H, L–M); 0.1 mm (D–G, I–K, N–O)." figureDoi-0="http://doi.org/10.5281/zenodo.5248213" figureDoi-1="http://doi.org/10.5281/zenodo.5248215" figureDoi-10="http://doi.org/10.5281/zenodo.5248235" figureDoi-11="http://doi.org/10.5281/zenodo.5248237" figureDoi-2="http://doi.org/10.5281/zenodo.5248217" figureDoi-3="http://doi.org/10.5281/zenodo.5248219" figureDoi-4="http://doi.org/10.5281/zenodo.5248221" figureDoi-5="http://doi.org/10.5281/zenodo.5248223" figureDoi-6="http://doi.org/10.5281/zenodo.5248225" figureDoi-7="http://doi.org/10.5281/zenodo.5248229" figureDoi-8="http://doi.org/10.5281/zenodo.5248231" figureDoi-9="http://doi.org/10.5281/zenodo.5248233" httpUri-0="https://zenodo.org/record/5248213/files/figure.png" httpUri-1="https://zenodo.org/record/5248215/files/figure.png" httpUri-10="https://zenodo.org/record/5248235/files/figure.png" httpUri-11="https://zenodo.org/record/5248237/files/figure.png" httpUri-2="https://zenodo.org/record/5248217/files/figure.png" httpUri-3="https://zenodo.org/record/5248219/files/figure.png" httpUri-4="https://zenodo.org/record/5248221/files/figure.png" httpUri-5="https://zenodo.org/record/5248223/files/figure.png" httpUri-6="https://zenodo.org/record/5248225/files/figure.png" httpUri-7="https://zenodo.org/record/5248229/files/figure.png" httpUri-8="https://zenodo.org/record/5248231/files/figure.png" httpUri-9="https://zenodo.org/record/5248233/files/figure.png" pageId="9" pageNumber="10">Figs 1–12</figureCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="39A26570FFEF2E3875C6F9B0FC2FF9BD" box="[151,998,1544,1566]" pageId="9" pageNumber="10" type="reference_group">
<paragraph id="710736FBFFEF2E3875C6F9B0FC2FF9BD" blockId="9.[151,1435,1482,1566]" box="[151,998,1544,1566]" pageId="9" pageNumber="10">
<taxonomicName id="B6B84D78FFEF2E3875C6F9B0FDA9F9BD" ID-CoL="3D3K7" authority="Frey, 1973, p. 593" authorityName="Frey" authorityPageNumber="593" authorityYear="1973" box="[151,608,1544,1566]" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="10" phylum="Arthropoda" rank="species" species="macracanthus">
<emphasis id="43CCEAE9FFEF2E3875C6F9B0FE56F9BD" box="[151,415,1544,1566]" italics="true" pageId="9" pageNumber="10">Eurycercus macracanthus</emphasis>
Frey, 1973, p. 593
</taxonomicName>
; Kotov
<emphasis id="43CCEAE9FFEF2E3877FEF9B0FD2BF9BD" box="[687,738,1544,1566]" italics="true" pageId="9" pageNumber="10">et al.</emphasis>
2011, p. 136–138,
<figureCitation id="E9832A7EFFEF2E3876F5F9B1FC28F9BD" box="[932,993,1544,1566]" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="9" pageNumber="10">Fig. 4</figureCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="39A26570FFEF2E3A75C6F9F2FB8EFD04" lastPageId="11" lastPageNumber="12" pageId="9" pageNumber="10" type="materials_examined">
<paragraph id="710736FBFFEF2E3875C6F9F2FAA8F909" blockId="9.[151,1436,1610,2031]" pageId="9" pageNumber="10">
<emphasis id="43CCEAE9FFEF2E3875C6F9F2FEF1F9C0" bold="true" box="[151,312,1610,1635]" inLineHeading="true" pageId="9" pageNumber="10" reason="1">Type locality.</emphasis>
&quot;
<materialsCitation id="C1D03CA6FFEF2E38741BF9F3FA94F909" country="Russia" location="Autonomous Region" pageId="9" pageNumber="10" specimenCount="1" stateProvince="Amur">
Two small ponds in the flood plain of the
<collectingRegion id="B37CF819FFEF2E387666F9F3FCB1F9C1" box="[823,888,1610,1634]" country="Russia" name="Amur" pageId="9" pageNumber="10">Amur</collectingRegion>
River across the river from
<collectingRegion id="B37CF819FFEF2E387192F9F3FA84F9C1" box="[1219,1357,1610,1634]" country="Russia" name="Khabarovsk" pageId="9" pageNumber="10">Khabarovsk</collectingRegion>
&quot; (Frey 1973),
<collectingRegion id="B37CF819FFEF2E3875B6F9D7FEFAF925" box="[231,307,1646,1670]" country="Russia" name="Yevrey" pageId="9" pageNumber="10">Jewish</collectingRegion>
<location id="74676020FFEF2E38746BF9D7FDEFF925" LSID="urn:lsid:plazi:treatment:F91187EDFFEF2E3E75C6FAE6FE61F9F7:74676020FFEF2E38746BF9D7FDEFF925" box="[314,550,1646,1670]" country="Russia" name="Autonomous Region" pageId="9" pageNumber="10" stateProvince="Amur">Autonomous Region</location>
,
<collectingCountry id="09AF766BFFEF2E387763F9D7FD49F925" box="[562,640,1646,1670]" name="Russia" pageId="9" pageNumber="10">Russia</collectingCountry>
. There is no chance to locate exact ponds according to such comments among numerous floodplain water bodies in that region. Approximate geographic coordinates: 48.53, 134.98
</materialsCitation>
.
</paragraph>
<paragraph id="710736FBFFEF2E387598F90EFADFF96D" blockId="9.[151,1436,1610,2031]" box="[201,1302,1718,1743]" pageId="9" pageNumber="10">
Type material.
<materialsCitation id="C1D03CA6FFEF2E38742CF90EFADFF96D" box="[381,1302,1718,1743]" collectionCode="NHM" pageId="9" pageNumber="10" specimenCode="NHM 1972.4" specimenCount="1" typeStatus="holotype">
<emphasis id="43CCEAE9FFEF2E38742CF90EFE38F96C" bold="true" box="[381,497,1719,1743]" pageId="9" pageNumber="10">
<typeStatus id="AE038859FFEF2E38742CF90EFE25F96C" box="[381,492,1719,1743]" pageId="9" pageNumber="10" type="holotype">Holotype</typeStatus>
.
</emphasis>
A parthenogenetic female
<quantity id="B6409B1EFFEF2E387670F90FFC4DF96D" box="[801,900,1718,1742]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="9" pageNumber="10" unit="mm" value="1.5">1.50 mm</quantity>
long in alcohol,
<specimenCode id="211E9E80FFEF2E387110F90EFB15F96D" box="[1089,1244,1718,1742]" collectionCode="NHM" pageId="9" pageNumber="10">NHM 1972.4</specimenCode>
.18.5.
</materialsCitation>
</paragraph>
<paragraph id="710736FBFFEF2E387598F962FED3F805" blockId="9.[151,1436,1610,2031]" pageId="9" pageNumber="10">
<materialsCitation id="C1D03CA6FFEF2E387598F962FB90F8FD" collectingDate="1972-04-18" collectionCode="NHM, NNS" pageId="9" pageNumber="10" specimenCode="MGU 63-64" specimenCount="1" typeStatus="paratype">
<emphasis id="43CCEAE9FFEF2E387598F962FD9EF950" bold="true" box="[201,599,1754,1779]" inLineHeading="true" pageId="9" pageNumber="10" reason="1">
<typeStatus id="AE038859FFEF2E387598F962FE88F950" box="[201,321,1755,1779]" pageId="9" pageNumber="10" type="paratype">Paratypes</typeStatus>
(all from type locality).
</emphasis>
Two parthenogenetic females in alcohol (
<collectionCode id="17A9AE3EFFEF2E38717BF963FBA4F951" box="[1066,1133,1754,1778]" pageId="9" pageNumber="10">NHM</collectionCode>
<date id="0506103BFFEF2E387125F963FB3EF951" box="[1140,1271,1754,1778]" pageId="9" pageNumber="10" value="1972-04-18">
<collectingDate id="1542E9D3FFEF2E387125F963FB3EF951" box="[1140,1271,1754,1778]" pageId="9" pageNumber="10" value="1972-04-18">1972. 4. 18.</collectingDate>
</date>
3–4); one parthenogenetic female in glycerine jelly (
<collectionCode id="17A9AE3EFFEF2E38772AF947FD77F8B5" box="[635,702,1790,1814]" pageId="9" pageNumber="10">NHM</collectionCode>
1972.4.18.1). Two exuviae in polyvinyl lactophenol (
<collectionCode id="17A9AE3EFFEF2E387008F947FA55F8B5" box="[1369,1436,1790,1814]" pageId="9" pageNumber="10">NHM</collectionCode>
1972.4.18.2). One parthenogenetic female and one exuvium on slides,
<collectionCode id="17A9AE3EFFEF2E3876F9F89BFC29F899" box="[936,992,1826,1850]" pageId="9" pageNumber="10">NNS</collectionCode>
<specimenCode id="211E9E80FFEF2E3876B6F89BFBBDF899" box="[999,1140,1826,1850]" collectionCode="MGU" pageId="9" pageNumber="10">MGU 63–64</specimenCode>
(in Frey’s paper they have accession numbers NN 54383-54384, but the numeration was subsequently changed)
</materialsCitation>
; one parthenogenetic female and one exuvium,
<collectionCode id="17A9AE3EFFEF2E387432F8D2FE5DF821" box="[355,404,1899,1922]" country="Russia" httpUri="http://grbio.org/cool/z2y8-2jfr" name="Russian Academy of Sciences, Zoological Institute, Zoological Museum" pageId="9" pageNumber="10" type="Museum">ZIN</collectionCode>
,
<materialsCitation id="C1D03CA6FFEF2E3874F1F8D3FEDEF805" collectionCode="DGF" pageId="9" pageNumber="10" specimenCount="1" typeStatus="paratype">
accession numbers 16 and 64, respectively in Frey (1973). Some other specimens were kept in the
<collectionCode id="17A9AE3EFFEF2E38758CF837FEDEF805" box="[221,279,1934,1958]" pageId="9" pageNumber="10">DGF</collectionCode>
</materialsCitation>
.
</paragraph>
<paragraph id="710736FBFFEF2E3A7598F80BFC29FDFC" blockId="9.[151,1436,1610,2031]" lastBlockId="11.[151,1436,151,2012]" lastPageId="11" lastPageNumber="12" pageId="9" pageNumber="10">
<emphasis id="43CCEAE9FFEF2E387598F80BFE38F868" bold="true" box="[201,497,1970,1995]" pageId="9" pageNumber="10">Material examined here:</emphasis>
<emphasis id="43CCEAE9FFEF2E3874ABF80AFD1FF868" box="[506,726,1971,1995]" italics="true" pageId="9" pageNumber="10">
<collectingCountry id="09AF766BFFEF2E3874ABF80AFD81F869" box="[506,584,1971,1994]" name="Russia" pageId="9" pageNumber="10">Russia</collectingCountry>
.
<collectingRegion id="B37CF819FFEF2E387702F80AFD58F868" box="[595,657,1971,1995]" country="Russia" name="Amur" pageId="9" pageNumber="10">Amur</collectingRegion>
Area.
</emphasis>
Affluents of the Zeya River, coll. in 2006 by N. G.
<taxonomicName id="B6B84D78FFEF2E387073F80BFA51F869" authority="Bekker &amp; Kotov &amp; Taylor, 2012" authorityName="Bekker &amp; Kotov &amp; Taylor" authorityYear="2012" box="[1314,1432,1970,1994]" genus="Sheveleva" pageId="9" pageNumber="39" rank="genus" status="gen. nov.">Sheveleva</taxonomicName>
,
<collectionCode id="17A9AE3EFFEF2E3875C6F86FFF06F84D" box="[151,207,2006,2030]" pageId="9" pageNumber="10">NNS</collectionCode>
2009-030; Lake Khasan, the plain of Zeya river, coll. in
<date id="0506103BFFEF2E387622F86FFC38F84D" box="[883,1009,2006,2030]" pageId="9" pageNumber="10" value="2006-07-20">20.07.2006</date>
by N. G.
<taxonomicName id="B6B84D78FFEF2E38713BF86FFB29F84D" authority="Bekker &amp; Kotov &amp; Taylor, 2012" authorityName="Bekker &amp; Kotov &amp; Taylor" authorityYear="2012" box="[1130,1248,2006,2030]" genus="Sheveleva" pageId="9" pageNumber="39" rank="genus" status="gen. nov.">Sheveleva</taxonomicName>
,
<collectionCode id="17A9AE3EFFEF2E3871BFF86FFAEFF84D" box="[1262,1318,2006,2030]" pageId="9" pageNumber="10">NNS</collectionCode>
2009-036 (
<geoCoordinate id="148C503CFFEC2E3B75CFFF2EFF37FF0C" box="[158,254,151,175]" degrees="53.4870" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="53.487">53.4870</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B745BFF2EFEB1FF0C" box="[266,376,151,175]" degrees="126.9428" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="126.9428">126.9428</geoCoordinate>
); Lake Malaya Sazanka near town of Svobodny, coll. in 2006 by N. G.
<taxonomicName id="B6B84D78FFEC2E3B71CBFF2EFAD9FF0C" authority="Bekker &amp; Kotov &amp; Taylor, 2012" authorityName="Bekker &amp; Kotov &amp; Taylor" authorityYear="2012" box="[1178,1296,151,175]" genus="Sheveleva" pageId="10" pageNumber="39" rank="genus" status="gen. nov.">Sheveleva</taxonomicName>
,
<collectionCode id="17A9AE3EFFEC2E3B704AFF2EFA9AFF0C" box="[1307,1363,151,175]" pageId="10" pageNumber="11">NNS</collectionCode>
2009- 040 (
<geoCoordinate id="148C503CFFEC2E3B7586FF05FEFEFF77" box="[215,311,188,212]" degrees="51.1602" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="51.1602">51.1602</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B741BFF05FE71FF77" box="[330,440,188,212]" degrees="128.1057" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="128.1057">128.1057</geoCoordinate>
); Lake Mukhinka, oxbow water body of the Zeya River near Mukhinka, coll. in
<date id="0506103BFFEC2E3B75C6FF66FEDCFF54" box="[151,277,223,247]" pageId="10" pageNumber="11" value="2005-01-09">01.09.2005</date>
by N. G.
<taxonomicName id="B6B84D78FFEC2E3B74D2FF66FE30FF54" authority="Bekker &amp; Kotov &amp; Taylor, 2012" authorityName="Bekker &amp; Kotov &amp; Taylor" authorityYear="2012" box="[387,505,223,247]" genus="Sheveleva" pageId="10" pageNumber="39" rank="genus" status="gen. nov.">Sheveleva</taxonomicName>
, AAK 2006-023 (
<geoCoordinate id="148C503CFFEC2E3B7792FF66FCEBFF54" box="[707,802,223,247]" degrees="50.5605" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="50.5605">50.5605</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B767EFF66FC55FF54" box="[815,924,223,247]" degrees="127.6481" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="127.6481">127.6481</geoCoordinate>
); Lake Teploe, coll. in 2006 by N. G.
<taxonomicName id="B6B84D78FFEC2E3B7017FF66FF08FEB8" authority="Bekker &amp; Kotov &amp; Taylor, 2012" authorityName="Bekker &amp; Kotov &amp; Taylor" authorityYear="2012" genus="Sheveleva" pageId="10" pageNumber="39" rank="genus" status="gen. nov.">Sheveleva</taxonomicName>
,
<collectionCode id="17A9AE3EFFEC2E3B759DFEBDFECDFEBF" box="[204,260,260,284]" pageId="10" pageNumber="11">NNS</collectionCode>
2009-037 (
<geoCoordinate id="148C503CFFEC2E3B74D4FEBDFE2DFEBF" box="[389,484,260,284]" degrees="51.4474" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="51.4474">51.4474</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B74BEFEBDFD94FEBF" box="[495,605,260,284]" degrees="128.3738" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="128.3738">128.3738</geoCoordinate>
); Mouth of the
<collectingCountry id="09AF766BFFEC2E3B765BFEBDFC99FEBF" box="[778,848,260,284]" name="Myanmar" pageId="10" pageNumber="11">Birma</collectingCountry>
River, coll. in 2006 by N. G.
<taxonomicName id="B6B84D78FFEC2E3B71CBFEBDFAD9FEBF" authority="Bekker &amp; Kotov &amp; Taylor, 2012" authorityName="Bekker &amp; Kotov &amp; Taylor" authorityYear="2012" box="[1178,1296,260,284]" genus="Sheveleva" pageId="10" pageNumber="39" rank="genus" status="gen. nov.">Sheveleva</taxonomicName>
,
<collectionCode id="17A9AE3EFFEC2E3B704AFEBDFA9AFEBF" box="[1307,1363,260,284]" pageId="10" pageNumber="11">NNS</collectionCode>
2009- 043 (
<geoCoordinate id="148C503CFFEC2E3B7585FE9EFEFAFE9C" box="[212,307,295,319]" degrees="51.4713" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="51.4713">51.4713</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B7415FE9EFE7BFE9C" box="[324,434,295,319]" degrees="128.4374" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="128.4374">128.4374</geoCoordinate>
); Mouth of the Iver River, coll. in 2006 by N. G.
<taxonomicName id="B6B84D78FFEC2E3B715DFE9EFB4BFE9C" authority="Bekker &amp; Kotov &amp; Taylor, 2012" authorityName="Bekker &amp; Kotov &amp; Taylor" authorityYear="2012" box="[1036,1154,295,319]" genus="Sheveleva" pageId="10" pageNumber="39" rank="genus" status="gen. nov.">Sheveleva</taxonomicName>
,
<collectionCode id="17A9AE3EFFEC2E3B71C3FE9EFB03FE9C" box="[1170,1226,295,319]" pageId="10" pageNumber="11">NNS</collectionCode>
2009-044 (51.74, 128.88); Mouth of the Ulunga River, coll. in 2006 by N. G.
<taxonomicName id="B6B84D78FFEC2E3B767AFEF5FC68FEC7" authority="Bekker &amp; Kotov &amp; Taylor, 2012" authorityName="Bekker &amp; Kotov &amp; Taylor" authorityYear="2012" box="[811,929,332,356]" genus="Sheveleva" pageId="10" pageNumber="39" rank="genus" status="gen. nov.">Sheveleva</taxonomicName>
,
<collectionCode id="17A9AE3EFFEC2E3B76FDFEF5FC2DFEC7" box="[940,996,332,356]" pageId="10" pageNumber="11">NNS</collectionCode>
2009-042 (53.45, 126.86); Small water bodies near Zeya Water Reservoir dam, coll. in 2006 by N. G.
<taxonomicName id="B6B84D78FFEC2E3B7607FED6FC05FE24" authority="Bekker &amp; Kotov &amp; Taylor, 2012" authorityName="Bekker &amp; Kotov &amp; Taylor" authorityYear="2012" box="[854,972,367,391]" genus="Sheveleva" pageId="10" pageNumber="39" rank="genus" status="gen. nov.">Sheveleva</taxonomicName>
,
<collectionCode id="17A9AE3EFFEC2E3B7686FED6FBC6FE24" box="[983,1039,367,391]" pageId="10" pageNumber="11">NNS</collectionCode>
2009-033-35 (
<geoCoordinate id="148C503CFFEC2E3B71E6FED6FADFFE24" box="[1207,1302,367,391]" degrees="53.7308" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="53.7308">53.7308</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B7073FED6FA59FE24" box="[1314,1424,367,391]" degrees="127.2696" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="127.2696">127.2696</geoCoordinate>
); Zeya Water Reservoir, coll in 2006 by N. G.
<taxonomicName id="B6B84D78FFEC2E3B77D4FE2DFD32FE0F" authority="Bekker &amp; Kotov &amp; Taylor, 2012" authorityName="Bekker &amp; Kotov &amp; Taylor" authorityYear="2012" box="[645,763,404,428]" genus="Sheveleva" pageId="10" pageNumber="39" rank="genus" status="gen. nov.">Sheveleva</taxonomicName>
,
<collectionCode id="17A9AE3EFFEC2E3B7657FE2DFCF7FE0F" box="[774,830,404,428]" pageId="10" pageNumber="11">NNS</collectionCode>
2009-029 (
<geoCoordinate id="148C503CFFEC2E3B76ECFE2DFBD4FE0F" box="[957,1053,404,428]" degrees="53.7527" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="53.7527">53.7527</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B7179FE2DFB5FFE0F" box="[1064,1174,404,428]" degrees="127.3050" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="127.305">127.3050</geoCoordinate>
); Zeya Water Reservoir near dam, coll. in
<date id="0506103BFFEC2E3B7430FE0EFE16FE6C" box="[353,479,439,463]" pageId="10" pageNumber="11" value="2006-07-18">18.07.2006</date>
by N. G.
<taxonomicName id="B6B84D78FFEC2E3B7718FE0EFD76FE6C" authority="Bekker &amp; Kotov &amp; Taylor, 2012" authorityName="Bekker &amp; Kotov &amp; Taylor" authorityYear="2012" box="[585,703,439,463]" genus="Sheveleva" pageId="10" pageNumber="39" rank="genus" status="gen. nov.">Sheveleva</taxonomicName>
,
<collectionCode id="17A9AE3EFFEC2E3B779BFE0EFCCBFE6C" box="[714,770,439,463]" pageId="10" pageNumber="11">NNS</collectionCode>
2009-028 (
<geoCoordinate id="148C503CFFEC2E3B76D2FE0EFC2BFE6C" box="[899,994,439,463]" degrees="53.7768" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="53.7768">53.7768</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B76BFFE0EFB95FE6C" box="[1006,1116,439,463]" degrees="127.2842" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="127.2842">127.2842</geoCoordinate>
).
<emphasis id="43CCEAE9FFEC2E3B713FFE01FAF7FE73" box="[1134,1342,440,464]" italics="true" pageId="10" pageNumber="11">Arkhangelsk Area.</emphasis>
A small marshy lake, Pinega Forest Reserve, coll. in
<date id="0506103BFFEC2E3B77DAFE65FCC0FE57" box="[651,777,476,500]" pageId="10" pageNumber="11" value="2009-07-22">22.07.2009</date>
by E. I. Bekker, AAK M-1034 (
<geoCoordinate id="148C503CFFEC2E3B7125FE65FB1AFE57" box="[1140,1235,476,500]" degrees="64.5921" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="64.5921">64.5921</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B718EFE65FAF6FE57" box="[1247,1343,476,500]" degrees="42.8550" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="42.855">42.8550</geoCoordinate>
).
<emphasis id="43CCEAE9FFEC2E3B7000FE65FEE3FDBB" italics="true" pageId="10" pageNumber="11">Chelyabinsk Area.</emphasis>
Uruzan' Pond, town of Uruzan', coll. in
<date id="0506103BFFEC2E3B7670FE46FC56FDB4" box="[801,927,511,535]" pageId="10" pageNumber="11" value="2006-07-08">07.08.2006</date>
by A. A. Kotov, AAK M-0322 (
<geoCoordinate id="148C503CFFEC2E3B7068FE46FA51FDB4" box="[1337,1432,511,535]" degrees="54.8583" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="54.8583">54.8583</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B75C6FD9DFF3EFD9F" box="[151,247,548,572]" degrees="58.4469" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="58.4469">58.4469</geoCoordinate>
).
<emphasis id="43CCEAE9FFEC2E3B745AFD9DFE47FD9F" box="[267,398,548,572]" italics="true" pageId="10" pageNumber="11">Chita Area.</emphasis>
Sandy mine lake, town of Chita, coll. in
<date id="0506103BFFEC2E3B7639FD9DFC20FD9F" box="[872,1001,548,572]" pageId="10" pageNumber="11" value="1991-01-09">01.09.1991</date>
,
<collectionCode id="17A9AE3EFFEC2E3B76A7FD9DFBE7FD9F" box="[1014,1070,548,572]" pageId="10" pageNumber="11">NNS</collectionCode>
1999-035 (52.0, 113.5).
<emphasis id="43CCEAE9FFEC2E3B701AFD9DFEA0FDC3" italics="true" pageId="10" pageNumber="11">Chukot Autonomous Area.</emphasis>
A puddle in the Region of the Anadyr River, coll. by E. A. Streletskaya, AAK 1999-076 (65, 171); A water body in the Anadyr River basin, №311, б-134-72, coll by E. A. Streletskaya,
<collectionCode id="17A9AE3EFFEC2E3B71F8FDD5FB28FD27" box="[1193,1249,620,644]" pageId="10" pageNumber="11">NNS</collectionCode>
1999-015; Lake Verkhnee, Kolyma Region, coll. in 1981 by E. A. Streletskaya,
<collectionCode id="17A9AE3EFFEC2E3B7639FD36FC69FD04" box="[872,928,655,679]" pageId="10" pageNumber="11">NNS</collectionCode>
1999-014.
<emphasis id="43CCEAE9FFEC2E3B7173FD29FB7CFD0B" box="[1058,1205,656,680]" italics="true" pageId="10" pageNumber="11">Irkutsk Area.</emphasis>
Kurma Bay, Irkutsk Water Reservoir, coll. in 2010, AAK M-1849 (
<geoCoordinate id="148C503CFFEC2E3B77CEFD0DFD37FD6F" box="[671,766,692,716]" degrees="52.2499" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="52.2499">52.2499</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B7658FD0DFCBEFD6F" box="[777,887,692,716]" degrees="104.3001" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="104.3001">104.3001</geoCoordinate>
).
<emphasis id="43CCEAE9FFEC2E3B76D8FD0DFB0FFD6F" box="[905,1222,692,716]" italics="true" pageId="10" pageNumber="11">Jewish Autonomous Region.</emphasis>
Small ponds in the flood plain of the Amur River across the river from Khabarovsk, coll. in
<date id="0506103BFFEC2E3B76B4FD6EFBABFD4C" box="[997,1122,727,751]" pageId="10" pageNumber="11" value="1971-07-08">07.08.1971</date>
by D. G. Frey,
<collectionCode id="17A9AE3EFFEC2E3B7048FD6EFA55FD4C" box="[1305,1436,727,751]" pageId="10" pageNumber="11">NNS MGU</collectionCode>
0016, 0063-0064 (48.53, 134.98).
<emphasis id="43CCEAE9FFEC2E3B774DFD45FD29FCB7" box="[540,736,764,788]" italics="true" pageId="10" pageNumber="11">Kamchatka Area.</emphasis>
A tundra Lake near Lake Tsentral'noje, Caldera Uzon coll. in
<date id="0506103BFFEC2E3B75C6FCA6FEDCFC94" box="[151,277,799,823]" pageId="10" pageNumber="11" value="1995-08-28">28.08.1995</date>
byY. R. Galimov, AAK 2007-311 (54.49, 160.0); Lake Tsentral'noje, Caldera Uzon, coll. in
<date id="0506103BFFEC2E3B704FFCA6FA55FC94" box="[1310,1436,799,823]" pageId="10" pageNumber="11" value="1995-08-29">29.08.1995</date>
by Y. R. Galimov, AAK 2007-310 (
<geoCoordinate id="148C503CFFEC2E3B7711FCFDFD56FCFF" box="[576,671,836,860]" degrees="54.4961" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="54.4961">54.4961</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B77FEFCFDFCD4FCFF" box="[687,797,836,860]" degrees="159.9833" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="159.9833">159.9833</geoCoordinate>
).
<emphasis id="43CCEAE9FFEC2E3B7665FCFDFB7DFCFF" box="[820,1204,836,860]" italics="true" pageId="10" pageNumber="11">Khanty-Mansi Autonomous Area.</emphasis>
A lake in Posiolok Divniy, town of Nizhnevartovsk, coll. in
<date id="0506103BFFEC2E3B7720FCDEFD27FCDC" box="[625,750,871,895]" pageId="10" pageNumber="11" value="2005-07-23">23.07.2005</date>
by A. A. Kotov, AAK 2005-321 (
<geoCoordinate id="148C503CFFEC2E3B712CFCDEFB15FCDC" box="[1149,1244,871,895]" degrees="60.9236" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="60.9236">60.9236</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B71BAFCDEFA82FCDC" box="[1259,1355,871,895]" degrees="76.4935" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="76.4935">76.4935</geoCoordinate>
).
<emphasis id="43CCEAE9FFEC2E3B700EFCD1FE5CFC07" italics="true" pageId="10" pageNumber="11">Komi Autonomous Republic.</emphasis>
Kurja near Scheljajur, coll. in
<date id="0506103BFFEC2E3B77B8FC35FCAEFC07" box="[745,871,908,932]" pageId="10" pageNumber="11" value="1982-10-08">10.08.1982</date>
by AAK 1999-079 (65.33, 53.4); Lake Bezymiannoje, near the Schugor River, coll. in
<date id="0506103BFFEC2E3B7769FC16FD7FFC64" box="[568,694,943,967]" pageId="10" pageNumber="11" value="1970-07-24">24.07.1970</date>
by
<collectingCountry id="09AF766BFFEC2E3B77B1FC09FCD3FC64" box="[736,794,944,967]" name="Vietnam" pageId="10" pageNumber="11">V. N.</collectingCountry>
Shubina,
<collectionCode id="17A9AE3EFFEC2E3B76DBFC09FC02FC64" box="[906,971,944,967]" country="Kenya" httpUri="http://grbio.org/cool/h6fg-emd8" name="National Museums of Kenya" pageId="10" pageNumber="11" type="Museum">NMK</collectionCode>
1712. Krasnoyarsk Territory. A lake near Mirnoe, coll. In
<date id="0506103BFFEC2E3B741FFC6DFE02FC4F" box="[334,459,980,1004]" pageId="10" pageNumber="11" value="2011-07-17">17.07.2011</date>
by E. Y. Demidova (62.34, 89,1);
<emphasis id="43CCEAE9FFEC2E3B761EFC6CFC1EFC4F" box="[847,983,980,1004]" italics="true" pageId="10" pageNumber="11">Penza Area.</emphasis>
A big lake, Sosnovka locality, vicinities of Penza, coll. in
<date id="0506103BFFEC2E3B7408FC41FE1EFBB3" box="[345,471,1016,1040]" pageId="10" pageNumber="11" value="2009-05-31">31.05.2009</date>
by E. I. Bekker, AAK M-1064 (
<geoCoordinate id="148C503CFFEC2E3B766FFC41FC54FBB3" box="[830,925,1016,1040]" degrees="53.1731" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="53.1731">53.1731</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B76F9FC41FBC1FBB3" box="[936,1032,1016,1040]" degrees="45.0755" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="45.0755">45.0755</geoCoordinate>
); a lake fully covered by vegetation, locality Montazhny, viciniyies of Penza, coll. in
<date id="0506103BFFEC2E3B77EBFBA5FCFEFB97" box="[698,823,1052,1076]" pageId="10" pageNumber="11" value="2009-10-24">24.10.2009</date>
by E. I. Bekker, AAK M-1071-73 (
<geoCoordinate id="148C503CFFEC2E3B719CFBA5FAD7FB97" box="[1229,1310,1052,1076]" degrees="53.218" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="55" value="53.218">53.218</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B707BFBA5FAB5FB97" box="[1322,1404,1052,1076]" degrees="45.125" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="55" value="45.125">45.125</geoCoordinate>
); a roadside lake along new road, locality Sosnovka, vicinities of Penza, coll. in 05.2009 by E. I. Bekker, AAK M- 0939 (
<geoCoordinate id="148C503CFFEC2E3B758FFBDDFEF4FBDF" box="[222,317,1124,1148]" degrees="53.1727" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="53.1727">53.1727</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B741BFBDDFE63FBDF" box="[330,426,1124,1148]" degrees="45.0744" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="45.0744">45.0744</geoCoordinate>
); a small lake covered by
<taxonomicName id="B6B84D78FFEC2E3B7780FBDDFC5DFBDF" box="[721,916,1124,1148]" class="Liliopsida" family="Hydrocharitaceae" genus="Stratiotes" kingdom="Plantae" order="Alismatales" pageId="10" pageNumber="11" phylum="Tracheophyta" rank="species" species="aloides">
<emphasis id="43CCEAE9FFEC2E3B7780FBDDFC5DFBDF" box="[721,916,1124,1148]" italics="true" pageId="10" pageNumber="11">Stratiotes aloides</emphasis>
</taxonomicName>
, on left side of Sosnovka-Ahuny road, vicinities of Penza, coll. in 05.2009 by E. I. Bekker, AAK M-0940 and AAK M-0930 (
<geoCoordinate id="148C503CFFEC2E3B716CFB31FB55FB03" box="[1085,1180,1160,1184]" degrees="53.1727" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="53.1727">53.1727</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B71F8FB31FAC0FB03" box="[1193,1289,1160,1184]" degrees="45.0744" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="45.0744">45.0744</geoCoordinate>
); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, coll. in
<date id="0506103BFFEC2E3B7179FB15FB6FFB67" box="[1064,1190,1196,1220]" pageId="10" pageNumber="11" value="1992-04-10">04.10.1992</date>
by A. O. Bienkowski &amp; M. J. Orlova-Bienkowskaja, AAK 1999-073 (
<geoCoordinate id="148C503CFFEC2E3B779DFB69FCE2FB4B" box="[716,811,1232,1256]" degrees="53.1759" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="53.1759">53.1759</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B766BFB69FC53FB4B" box="[826,922,1232,1256]" degrees="45.0561" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="45.0561">45.0561</geoCoordinate>
); 1st lake near Kordon 95, road to Akhuny, locality Sosnovka, vicinities of Penza, coll. in
<date id="0506103BFFEC2E3B77F2FB4DFCE8FAAF" box="[675,801,1268,1292]" pageId="10" pageNumber="11" value="2009-08-07">08.07.2009</date>
by E. I. Bekker, AAK M-1061 (
<geoCoordinate id="148C503CFFEC2E3B71C1FB4DFB26FAAF" box="[1168,1263,1268,1292]" degrees="53.1727" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="53.1727">53.1727</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B71ADFB4DFA95FAAF" box="[1276,1372,1268,1292]" degrees="45.0738" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="45.0738">45.0738</geoCoordinate>
).
<emphasis id="43CCEAE9FFEC2E3B703EFB4CFE9CFA8C" italics="true" pageId="10" pageNumber="11">Primorski Territory.</emphasis>
A big oxbow lake, the River Razdol’naya walley near town of Ussuriysk, coll. in
<date id="0506103BFFEC2E3B71ABFAA1FAB1FA93" box="[1274,1400,1304,1328]" pageId="10" pageNumber="11" value="2010-09-17">17.09.2010</date>
by N. M. Korovchinsky, AAK M-2071 (
<geoCoordinate id="148C503CFFEC2E3B776DFA85FD52FAF7" box="[572,667,1340,1364]" degrees="43.8374" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="43.8374">43.8374</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B77F9FA85FCDFFAF7" box="[680,790,1340,1364]" degrees="131.8521" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="131.8521">131.8521</geoCoordinate>
); a small, almost dried pond, the River Razdol’naya walley near village of Razdol’noye, coll. in
<date id="0506103BFFEC2E3B770AFAD9FD10FADB" box="[603,729,1376,1400]" pageId="10" pageNumber="11" value="2010-09-19">19.09.2010</date>
by N. M. Korovchinsky, AAK M-2081 (45.54, 131.89); a chanal with fillamentous algae, area of Lake Khanka, coll. in
<date id="0506103BFFEC2E3B7665FA3DFC78FA3F" box="[820,945,1412,1436]" pageId="10" pageNumber="11" value="2009-11-09">11.09.2009</date>
by N. M. Korovchinsky,
<collectionCode id="17A9AE3EFFEC2E3B7188FA3DFAD3FA38" box="[1241,1306,1412,1435]" country="Kenya" httpUri="http://grbio.org/cool/h6fg-emd8" name="National Museums of Kenya" pageId="10" pageNumber="11" type="Museum">NMK</collectionCode>
2970-2971 (
<geoCoordinate id="148C503CFFEC2E3B75CFFA11FF34FA63" box="[158,253,1448,1472]" degrees="44.9305" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="44.9305">44.9305</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B745BFA11FEB1FA63" box="[266,376,1448,1472]" degrees="131.9764" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="131.9764">131.9764</geoCoordinate>
); a small swamp near the Manchzhurka River, area of Lake Khanka, coll. in
<date id="0506103BFFEC2E3B7189FA11FA9FFA63" box="[1240,1366,1448,1472]" pageId="10" pageNumber="11" value="2009-10-09">10.09.2009</date>
by N. M. Korovchinsky,
<collectionCode id="17A9AE3EFFEC2E3B7438FA75FE63FA40" box="[361,426,1484,1507]" country="Kenya" httpUri="http://grbio.org/cool/h6fg-emd8" name="National Museums of Kenya" pageId="10" pageNumber="11" type="Museum">NMK</collectionCode>
2946 (
<geoCoordinate id="148C503CFFEC2E3B74A8FA75FD91FA47" box="[505,600,1484,1508]" degrees="44.7961" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="44.7961">44.7961</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B7735FA75FD1BFA47" box="[612,722,1484,1508]" degrees="131.9985" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="131.9985">131.9985</geoCoordinate>
); a swamp on another side of road from Ilyinskoe Lake, area of Lake Khanka, coll. in
<date id="0506103BFFEC2E3B74CBFA49FDD0F9AB" box="[410,537,1520,1544]" pageId="10" pageNumber="11" value="2009-10-09">10.09.2009</date>
by N. M. Korovchinsky,
<collectionCode id="17A9AE3EFFEC2E3B7615FA49FC4CF9A4" box="[836,901,1520,1543]" country="Kenya" httpUri="http://grbio.org/cool/h6fg-emd8" name="National Museums of Kenya" pageId="10" pageNumber="11" type="Museum">NMK</collectionCode>
2949 (
<geoCoordinate id="148C503CFFEC2E3B7689FA49FBFEF9AB" box="[984,1079,1520,1544]" degrees="44.9211" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="44.9211">44.9211</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B7114FA49FB7AF9AB" box="[1093,1203,1520,1544]" degrees="131.9642" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="131.9642">131.9642</geoCoordinate>
).
<emphasis id="43CCEAE9FFEC2E3B7199FA49FAB8F9AB" box="[1224,1393,1520,1544]" italics="true" pageId="10" pageNumber="11">Sakhalin Area.</emphasis>
An oxbow lake of the Tym' River, coll. in
<date id="0506103BFFEC2E3B771EF9ADFD05F98F" box="[591,716,1556,1580]" pageId="10" pageNumber="11" value="1999-08-31">31.08.1999</date>
by D. Zavarzin,
<collectionCode id="17A9AE3EFFEC2E3B76DEF9ADFC19F988" box="[911,976,1556,1579]" country="Kenya" httpUri="http://grbio.org/cool/h6fg-emd8" name="National Museums of Kenya" pageId="10" pageNumber="11" type="Museum">NMK</collectionCode>
2433 (50.9, 142.7).
<emphasis id="43CCEAE9FFEC2E3B71E8F9ACFF1DF9F3" italics="true" pageId="10" pageNumber="11">Taimyr Autonomous Area.</emphasis>
A lake near river Kotuikan, coll. in
<date id="0506103BFFEC2E3B77D0F981FD38F9F3" box="[641,753,1592,1616]" pageId="10" pageNumber="11" value="2011-08-04">4.08.2011</date>
by V. E. Fedosov (
<geoCoordinate id="148C503CFFEC2E3B7689F981FBFEF9F3" box="[984,1079,1592,1616]" degrees="70.6928" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="70.6928">70.6928</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B7117F981FB7DF9F3" box="[1094,1204,1592,1616]" degrees="105.5169" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="105.5169">105.5169</geoCoordinate>
).
<emphasis id="43CCEAE9FFEC2E3B7198F981FA9AF9F3" box="[1225,1363,1592,1616]" italics="true" pageId="10" pageNumber="11">Tomsk Area</emphasis>
. Lake Kotets (locally named Chemuldo), coll. in
<date id="0506103BFFEC2E3B77D7F9E5FCCAF9D7" box="[646,771,1628,1652]" pageId="10" pageNumber="11" value="2005-07-13">13.07.2005</date>
by A. A. Kotov, AAK M-0114 (
<geoCoordinate id="148C503CFFEC2E3B71D0F9E5FB29F9D7" box="[1153,1248,1628,1652]" degrees="57.7364" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="57.7364">57.7364</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B71BFF9E5FA87F9D7" box="[1262,1358,1628,1652]" degrees="83.6171" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="83.6171">83.6171</geoCoordinate>
); Lake Svetloe near River Chulym, coll. in
<date id="0506103BFFEC2E3B7713F939FD76F93B" box="[578,703,1664,1688]" pageId="10" pageNumber="11" value="2005-07-14">14.07.2005</date>
by A. A. Kotov, AAK M-0122 and AAK 2005-285 (
<geoCoordinate id="148C503CFFEC2E3B7069F939FA5EF93B" box="[1336,1431,1664,1688]" degrees="57.8178" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="57.8178">57.8178</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B75C6F91DFF3EF91F" box="[151,247,1700,1724]" degrees="84.1841" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="84.1841">84.1841</geoCoordinate>
).
<emphasis id="43CCEAE9FFEC2E3B745BF91DFDACF91F" box="[266,613,1700,1724]" italics="true" pageId="10" pageNumber="11">Yakutia Autonomous Republic.</emphasis>
Lake Mutnoe, upper stream of the Markha River, coll. in
<date id="0506103BFFEC2E3B71ABF91DFAB1F91F" box="[1274,1400,1700,1724]" pageId="10" pageNumber="11" value="2010-09-21">21.09.2010</date>
by A. I. Klimovskiy, AAK M-1921; A lake, remain of the Suola River, coll. in
<date id="0506103BFFEC2E3B76A2F971FBB8F943" box="[1011,1137,1736,1760]" pageId="10" pageNumber="11" value="2010-08-25">25.08.2010</date>
by A. A. Kotov, AAK M- 1944 (
<geoCoordinate id="148C503CFFEC2E3B758FF955FEF4F8A7" box="[222,317,1772,1796]" degrees="62.0986" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="62.0986">62.0986</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B7418F955FE7EF8A7" box="[329,439,1772,1796]" degrees="130.1494" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="130.1494">130.1494</geoCoordinate>
); A lake, remainder of the Tuima River, coll. in
<date id="0506103BFFEC2E3B7687F955FB9DF8A7" box="[982,1108,1772,1796]" pageId="10" pageNumber="11" value="2010-08-29">29.08.2010</date>
by A. A. Kotov, AAK 2011- 049 (
<geoCoordinate id="148C503CFFEC2E3B759EF8A9FEE7F88B" box="[207,302,1808,1832]" degrees="62.3368" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="62.3368">62.3368</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B7468F8A9FE6EF88B" box="[313,423,1808,1832]" degrees="131.2744" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="131.2744">131.2744</geoCoordinate>
); an oxbow lake, River Khandyga, right bank of the Aldan River, coll. in
<date id="0506103BFFEC2E3B7188F8A9FA9EF88B" box="[1241,1367,1808,1832]" pageId="10" pageNumber="11" value="2010-08-26">26.08.2010</date>
by A. A. Kotov, AAK 2011-039 (
<geoCoordinate id="148C503CFFEC2E3B7498F88DFDD3F8EF" box="[457,538,1844,1868]" degrees="63.112" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="55" value="63.112">63.112</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B7774F88DFD5AF8EF" box="[549,659,1844,1868]" degrees="134.0446" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="134.0446">134.0446</geoCoordinate>
); A puddle near the Aldan River, coll. in
<date id="0506103BFFEC2E3B7132F88DFB28F8EF" box="[1123,1249,1844,1868]" pageId="10" pageNumber="11" value="2010-08-27">27.08.2010</date>
by A. A. Kotov, AAK 2011-042 (
<geoCoordinate id="148C503CFFEC2E3B7408F8E1FE71F8D3" box="[345,440,1880,1904]" degrees="63.0262" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="63.0262">63.0262</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B7497F8E1FDFDF8D3" box="[454,564,1880,1904]" degrees="134.0453" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="134.0453">134.0453</geoCoordinate>
); a swamp, right side of the &quot;Kolyma&quot; Federal Road near crossing with the Suola River, coll. in
<date id="0506103BFFEC2E3B742AF8C5FE30F837" box="[379,505,1916,1940]" pageId="10" pageNumber="11" value="2010-08-25">25.08.2010</date>
by A. A. Kotov, AAK M-1945 (
<geoCoordinate id="148C503CFFEC2E3B7632F8C5FC0BF837" box="[867,962,1916,1940]" degrees="62.0993" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="62.0993">62.0993</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B769CF8C5FBF2F837" box="[973,1083,1916,1940]" degrees="130.1467" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="130.1467">130.1467</geoCoordinate>
); Lake Atlassovka near town of Yakutsk, coll. in
<date id="0506103BFFEC2E3B7404F819FE1AF81B" box="[341,467,1952,1976]" pageId="10" pageNumber="11" value="2010-08-24">24.08.2010</date>
by A. A. Kotov, AAK M-1938 (
<geoCoordinate id="148C503CFFEC2E3B7612F819FC6AF81B" box="[835,931,1952,1976]" degrees="61.9670" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="61.967">61.9670</geoCoordinate>
,
<geoCoordinate id="148C503CFFEC2E3B76FFF819FBD5F81B" box="[942,1052,1952,1976]" degrees="129.6204" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="129.6204">129.6204</geoCoordinate>
); a small lake near Lake Bolshaya Chabyda, coll. in
<date id="0506103BFFEC2E3B7431F87DFE17F87F" box="[352,478,1988,2012]" pageId="10" pageNumber="11" value="2010-02-09">02.09.2010</date>
by A. A. Kotov and A. I. Klimovsky, AAK M-1980 (
<geoCoordinate id="148C503CFFEC2E3B7113F87DFB6BF87F" box="[1090,1186,1988,2012]" degrees="61.9837" direction="north" orientation="latitude" pageId="10" pageNumber="11" precision="5" value="61.9837">61.9837</geoCoordinate>
;
<geoCoordinate id="148C503CFFEC2E3B71FFF87DFAD5F87F" box="[1198,1308,1988,2012]" degrees="129.3848" direction="east" orientation="longitude" pageId="10" pageNumber="11" precision="5" value="129.3848">129.3848</geoCoordinate>
); A swamp on Shestakovka stream originated from Lake Bolshaya Chabyda, coll. in
<date id="0506103BFFED2E3A769DFF2EFB83FF0C" box="[972,1098,151,175]" pageId="11" pageNumber="12" value="2010-02-09">02.09.2010</date>
by A. A. Kotov and A. I. Klimovsky, AAK M-1988 (
<geoCoordinate id="148C503CFFED2E3A74F6FF05FDCFFF77" box="[423,518,188,212]" degrees="61.9377" direction="north" orientation="latitude" pageId="11" pageNumber="12" precision="5" value="61.9377">61.9377</geoCoordinate>
,
<geoCoordinate id="148C503CFFED2E3A7740FF05FDB6FF77" box="[529,639,188,212]" degrees="129.4120" direction="east" orientation="longitude" pageId="11" pageNumber="12" precision="5" value="129.412">129.4120</geoCoordinate>
); Lake Bolshaya Chabyda, coll. in
<date id="0506103BFFED2E3A7155FF05FB4BFF77" box="[1028,1154,188,212]" pageId="11" pageNumber="12" value="2010-02-09">02.09.2010</date>
by A. A. Kotov and A. I. Klimovsky, AAK M-1984 (
<geoCoordinate id="148C503CFFED2E3A7481FF66FDF9FF54" box="[464,560,223,247]" degrees="61.9884" direction="north" orientation="latitude" pageId="11" pageNumber="12" precision="5" value="61.9884">61.9884</geoCoordinate>
,
<geoCoordinate id="148C503CFFED2E3A776AFF66FD6FFF54" box="[571,678,223,247]" degrees="129.3794" direction="east" orientation="longitude" pageId="11" pageNumber="12" precision="5" value="129.3794">129.3794</geoCoordinate>
); Lake Suordakh, left bank of the Aldan River, coll. in
<date id="0506103BFFED2E3A704FFF66FA55FF54" box="[1310,1436,223,247]" pageId="11" pageNumber="12" value="2010-08-27">27.08.2010</date>
by A. A. Kotov, AAK M-1958 (
<geoCoordinate id="148C503CFFED2E3A74ABFEBDFD90FEBF" box="[506,601,260,284]" degrees="63.0737" direction="north" orientation="latitude" pageId="11" pageNumber="12" precision="5" value="63.0737">63.0737</geoCoordinate>
,
<geoCoordinate id="148C503CFFED2E3A7734FEBDFD1AFEBF" box="[613,723,260,284]" degrees="133.9702" direction="east" orientation="longitude" pageId="11" pageNumber="12" precision="5" value="133.9702">133.9702</geoCoordinate>
); Lake Tiungjulju, coll. in
<date id="0506103BFFED2E3A76ABFEBDFBB1FEBF" box="[1018,1144,260,284]" pageId="11" pageNumber="12" value="2010-08-25">25.08.2010</date>
by A. A. Kotov, AAK M- 1946 (
<geoCoordinate id="148C503CFFED2E3A758CFE9EFE83FE9C" box="[221,330,295,319]" degrees="62.18029" direction="north" orientation="latitude" pageId="11" pageNumber="12" precision="1" value="62.18029">62.18029</geoCoordinate>
,
<geoCoordinate id="148C503CFFED2E3A7404FE9EFE0AFE9C" box="[341,451,295,319]" degrees="130.6640" direction="east" orientation="longitude" pageId="11" pageNumber="12" precision="5" value="130.664">130.6640</geoCoordinate>
); Lake 1 on Melnikova Island, the Lena River, coll. in
<date id="0506103BFFED2E3A7172FE9EFB68FE9C" box="[1059,1185,295,319]" pageId="11" pageNumber="12" value="2010-08-22">22.08.2010</date>
by A. A. Kotov, AAK M-1933 (
<geoCoordinate id="148C503CFFED2E3A7453FEF5FEABFEC7" box="[258,354,332,356]" degrees="63.8530" direction="north" orientation="latitude" pageId="11" pageNumber="12" precision="5" value="63.853">63.8530</geoCoordinate>
,
<geoCoordinate id="148C503CFFED2E3A7421FEF5FE17FEC7" box="[368,478,332,356]" degrees="127.4713" direction="east" orientation="longitude" pageId="11" pageNumber="12" precision="5" value="127.4713">127.4713</geoCoordinate>
); Lake 2 on Melnikova Island, the Lena River coll. in
<date id="0506103BFFED2E3A7108FEF5FB1EFEC7" box="[1113,1239,332,356]" pageId="11" pageNumber="12" value="2010-08-22">22.08.2010</date>
by A. A. Kotov, AAK 2011-021 (
<geoCoordinate id="148C503CFFED2E3A740FFED6FE77FE24" box="[350,446,367,391]" degrees="63.8512" direction="north" orientation="latitude" pageId="11" pageNumber="12" precision="5" value="63.8512">63.8512</geoCoordinate>
,
<geoCoordinate id="148C503CFFED2E3A749FFED6FDF5FE24" box="[462,572,367,391]" degrees="127.4738" direction="east" orientation="longitude" pageId="11" pageNumber="12" precision="5" value="127.4738">127.4738</geoCoordinate>
); River Muna, left affluent of the Lena River, coll. in 08.2003 by V. A. Sokolova,
<collectionCode id="17A9AE3EFFED2E3A745FFE2DFE86FE08" box="[270,335,404,427]" country="Kenya" httpUri="http://grbio.org/cool/h6fg-emd8" name="National Museums of Kenya" pageId="11" pageNumber="12" type="Museum">NMK</collectionCode>
2484; an oxbow lake 2, near Nizhnekolymsky, south bank of the Kolyma River, coll. by A. I. Klimovskiy, AAK M-1912 (
<geoCoordinate id="148C503CFFED2E3A74E6FE0EFDDEFE6C" box="[439,535,439,463]" degrees="68.5356" direction="north" orientation="latitude" pageId="11" pageNumber="12" precision="5" value="68.5356">68.5356</geoCoordinate>
,
<geoCoordinate id="148C503CFFED2E3A7772FE0EFD58FE6C" box="[547,657,439,463]" degrees="160.9348" direction="east" orientation="longitude" pageId="11" pageNumber="12" precision="5" value="160.9348">160.9348</geoCoordinate>
).
<emphasis id="43CCEAE9FFED2E3A77F7FE01FBE0FE73" box="[678,1065,440,464]" italics="true" pageId="11" pageNumber="12">Yamalo-Nenets Autonomour Area.</emphasis>
A puddle near unnamed lake in Nadymsky Gorodok,
<quantity id="B6409B1EFFED2E3A74D8FE65FE19FE57" box="[393,464,476,500]" metricMagnitude="4" metricUnit="m" metricValue="3.1" pageId="11" pageNumber="12" unit="km" value="31.0">31 km</quantity>
from the River Nadym mouth, coll. in
<date id="0506103BFFED2E3A76DBFE65FBC1FE57" box="[906,1032,476,500]" pageId="11" pageNumber="12" value="2007-07-17">17.07.2007</date>
by A. B. Savinetsky, AAK M-0574 (
<geoCoordinate id="148C503CFFED2E3A75CFFE46FF34FDB4" box="[158,253,511,535]" degrees="66.0599" direction="north" orientation="latitude" pageId="11" pageNumber="12" precision="5" value="66.0599">66.0599</geoCoordinate>
,
<geoCoordinate id="148C503CFFED2E3A7458FE46FEA0FDB4" box="[265,361,511,535]" degrees="72.0048" direction="east" orientation="longitude" pageId="11" pageNumber="12" precision="5" value="72.0048">72.0048</geoCoordinate>
); Lake
<quantity id="B6409B1EFFED2E3A74EDFE46FE2EFDB4" box="[444,487,511,535]" metricMagnitude="-2" metricUnit="m" metricValue="5.08" pageId="11" pageNumber="12" unit="in" value="2.0">2 in</quantity>
Nadymsky Gorodok,
<quantity id="B6409B1EFFED2E3A77B1FE46FCEEFDB4" box="[736,807,511,535]" metricMagnitude="4" metricUnit="m" metricValue="3.1" pageId="11" pageNumber="12" unit="km" value="31.0">31 km</quantity>
from Obskaya Guba, coll. in
<date id="0506103BFFED2E3A7124FE46FB3AFDB4" box="[1141,1267,511,535]" pageId="11" pageNumber="12" value="2007-07-17">17.07.2007</date>
by A. B. Savinetsky, AAK M-0578 (
<geoCoordinate id="148C503CFFED2E3A74CFFD9DFE34FD9F" box="[414,509,548,572]" degrees="66.2208" direction="north" orientation="latitude" pageId="11" pageNumber="12" precision="5" value="66.2208">66.2208</geoCoordinate>
,
<geoCoordinate id="148C503CFFED2E3A775AFD9DFDA2FD9F" box="[523,619,548,572]" degrees="72.0451" direction="east" orientation="longitude" pageId="11" pageNumber="12" precision="5" value="72.0451">72.0451</geoCoordinate>
); un-named lake
<quantity id="B6409B1EFFED2E3A7660FD9DFC97FD9F" box="[817,862,548,572]" metricMagnitude="-2" metricUnit="m" metricValue="2.54" pageId="11" pageNumber="12" unit="in" value="1.0">1 in</quantity>
Nadymsky Gorodok,
<quantity id="B6409B1EFFED2E3A710DFD9DFB6DFD9F" box="[1116,1188,548,572]" metricMagnitude="4" metricUnit="m" metricValue="3.1" pageId="11" pageNumber="12" unit="km" value="31.0">31 km</quantity>
from Obskaya Guba, coll. in
<date id="0506103BFFED2E3A75BAFDFEFEA3FDFC" box="[235,362,583,607]" pageId="11" pageNumber="12" value="2007-07-17">17.07.2007</date>
by A. B. Savinetsky, AAK M-0573 (
<geoCoordinate id="148C503CFFED2E3A765BFDFEFCA3FDFC" box="[778,874,583,607]" degrees="66.0602" direction="north" orientation="latitude" pageId="11" pageNumber="12" precision="5" value="66.0602">66.0602</geoCoordinate>
,
<geoCoordinate id="148C503CFFED2E3A7625FDFEFC1DFDFC" box="[884,980,583,607]" degrees="72.0061" direction="east" orientation="longitude" pageId="11" pageNumber="12" precision="5" value="72.0061">72.0061</geoCoordinate>
).
</paragraph>
<paragraph id="710736FBFFED2E3A7598FDD5FB8EFD04" blockId="11.[151,1436,151,2012]" pageId="11" pageNumber="12">
<materialsCitation id="C1D03CA6FFED2E3A7598FDD5FA51FD27" box="[201,1432,620,644]" collectingDate="1973-07-06" collectionCode="DGF" collectorName="C. Sieh-chih" country="China" location="Loakan" municipality="Nen River" pageId="11" pageNumber="12" specimenCode="DGF 6306" specimenCount="1" stateProvince="Jilin">
<emphasis id="43CCEAE9FFED2E3A7598FDD5FEDCFD27" box="[201,277,620,644]" italics="true" pageId="11" pageNumber="12">
<collectingCountry id="09AF766BFFED2E3A7598FDD5FED8FD27" box="[201,273,620,644]" name="China" pageId="11" pageNumber="12">China</collectingCountry>
.
</emphasis>
<collectingMunicipality id="9163AC81FFED2E3A744DFDD5FE5AFD27" box="[284,403,620,644]" pageId="11" pageNumber="12">Nen River</collectingMunicipality>
,
<location id="74676020FFED2E3A74CEFDD5FE3AFD27" LSID="urn:lsid:plazi:treatment:F91187EDFFEF2E3E75C6FAE6FE61F9F7:74676020FFED2E3A74CEFDD5FE3AFD27" box="[415,499,620,644]" country="China" municipality="Nen River" name="Loakan" pageId="11" pageNumber="12" stateProvince="Jilin">Loakan</location>
zi,
<collectingRegion id="B37CF819FFED2E3A774FFDD5FD74FD27" box="[542,701,620,644]" country="China" name="Jilin" pageId="11" pageNumber="12">Jilin Province</collectingRegion>
, coll. in
<date id="0506103BFFED2E3A7671FDD5FC56FD27" box="[800,927,620,644]" pageId="11" pageNumber="12" value="1973-07-06">
<collectingDate id="1542E9D3FFED2E3A7671FDD5FC56FD27" box="[800,927,620,644]" pageId="11" pageNumber="12" value="1973-07-06">07.06.1973</collectingDate>
</date>
by
<collectorName id="DC4D532DFFED2E3A769AFDD5FB93FD27" box="[971,1114,620,644]" pageId="11" pageNumber="12">C. Sieh-chih</collectorName>
,
<specimenCode id="211E9E80FFED2E3A7136FDD5FB16FD27" box="[1127,1247,620,644]" collectionCode="DGF" pageId="11" pageNumber="12">DGF 6306</specimenCode>
(45.53, 124.28)
</materialsCitation>
.
<materialsCitation id="C1D03CA6FFED2E3A75C6FD36FB8EFD04" box="[151,1095,655,679]" collectingDate="1988-05-20" collectionCode="NNS" collectorName="Xiuganmeng" country="China" location="Lake Malaga" pageId="11" pageNumber="12" specimenCode="NNS 1998-226" specimenCount="1">
<location id="74676020FFED2E3A75C6FD36FEE4FD04" LSID="urn:lsid:plazi:treatment:F91187EDFFEF2E3E75C6FAE6FE61F9F7:74676020FFED2E3A75C6FD36FEE4FD04" box="[151,301,655,679]" country="China" name="Lake Malaga" pageId="11" pageNumber="12">Lake Malaga</location>
,
<collectorName id="DC4D532DFFED2E3A7469FD36FE05FD04" box="[312,460,655,679]" pageId="11" pageNumber="12">Xiuganmeng</collectorName>
, coll. in
<date id="0506103BFFED2E3A777AFD36FD62FD04" box="[555,683,655,679]" pageId="11" pageNumber="12" value="1988-05-20">
<collectingDate id="1542E9D3FFED2E3A777AFD36FD62FD04" box="[555,683,655,679]" pageId="11" pageNumber="12" value="1988-05-20">20.05.1988</collectingDate>
</date>
, AAK 1999-081 and
<specimenCode id="211E9E80FFED2E3A76CDFD36FB8EFD04" box="[924,1095,655,679]" collectionCode="NNS" pageId="11" pageNumber="12">NNS 1998-226</specimenCode>
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="39A26570FFED2E3E7598FD0AFB84FB67" lastPageId="15" lastPageNumber="16" pageId="11" pageNumber="12" type="diagnosis">
<paragraph id="710736FBFFED2E3A7598FD0AFCF5FBAC" blockId="11.[151,1436,151,2012]" pageId="11" pageNumber="12">
<emphasis id="43CCEAE9FFED2E3A7598FD0AFDA6FD6F" bold="true" box="[201,623,691,716]" pageId="11" pageNumber="12">
<emphasis id="43CCEAE9FFED2E3A7598FD0AFE8AFD6F" box="[201,323,691,716]" inLineHeading="true" pageId="11" pageNumber="12" reason="1">Diagnosis.</emphasis>
Parthenogenetic female.
</emphasis>
Dorsal head pores on a bubble-like projection located immediately on head shield. In anterior view, body wide, not compressed laterally, median dorsal keel absent. Rostrum short. Ocellus minute. Lateral pore small, rounded. Labrum with a medium-sized median keel, terminating in a broadly rounded apex not reaching distal end of antenna I. Postabdomen with sub-parallel dorsal and ventral margins, preanal teeth pointed. Spines at base of pre-claw portion predominantly doubled. Antenna I with antennular sensory seta arising in middle. Denticles in rows encircling antennular surface especially small. On antenna II, spine situated on proximal segment of exopod somewhat shorter than second segment. Limb I IDL with a remarkably strong hook-like seta, the smallest IDL seta especially fine and short. IDL with 5–7 distal spinules, 11–16 proximal spinules, 7–9 marginal spinules and 2–4 basal spinules. Eight setae in filter plate II, eight-nine setae in filter plate III; eight-nine setae in filter plate IV, 8 setae in filter plate V.
</paragraph>
<paragraph id="710736FBFFED2E3A7582FBA5FC44FA93" blockId="11.[151,1436,151,2012]" pageId="11" pageNumber="12">
<emphasis id="43CCEAE9FFED2E3A7582FBA5FD28FB97" bold="true" box="[211,737,1051,1076]" pageId="11" pageNumber="12">
<emphasis id="43CCEAE9FFED2E3A7582FBA5FE7AFB97" box="[211,435,1051,1076]" inLineHeading="true" pageId="11" pageNumber="12" reason="1">Full redescription.</emphasis>
Parthenogenetic female.
</emphasis>
In lateral view body sub-ovoid in larger females (
<figureCitation id="E9832A7EFFED2E3A7060FBA5FA47FB97" box="[1329,1422,1052,1076]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="11" pageNumber="12">Fig. 3A</figureCitation>
), maximum height of the body in its middle portion (BH/BL=
<quantity id="B6409B1EFFED2E3A766DFBF9FC00FBFB" box="[828,969,1088,1112]" metricMagnitude="-2" metricUnit="m" metricValue="1.3842999999999999" metricValueMax="1.4478" metricValueMin="1.3208" pageId="11" pageNumber="12" unit="in" value="0.5449999999999999" valueMax="0.57" valueMin="0.52">0.52–0.57 in</quantity>
juveniles and
<quantity id="B6409B1EFFED2E3A713BFBF9FB71FBFB" box="[1130,1208,1088,1112]" metricMagnitude="-2" metricUnit="m" metricValue="1.6764" pageId="11" pageNumber="12" unit="in" value="0.66">0.66 in</quantity>
largest adults). Dorsal margin evenly convex, interrupted only by a bubble-like projection with head pore (
<figureCitation id="E9832A7EFFED2E3A7105FBDDFB64FBDF" box="[1108,1197,1124,1148]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="11" pageNumber="12">Fig. 3A</figureCitation>
, arrow). Postero-dorsal angle more or less rounded in both adults and juveniles. Posterior margin slightly convex, smoothly rounded, postero-ventral angle broadly rounded. In larger adults ventral margin with a slight prominence immediately anterior to the margin middle (
<figureCitation id="E9832A7EFFED2E3A7490FB69FDD3FB4B" box="[449,538,1232,1256]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="11" pageNumber="12">Fig. 3A</figureCitation>
, arrow). In anterior view, body wide, not compressed laterally, maximum width of body at level of mandibular articulation, median dorsal keel completely absent (
<figureCitation id="E9832A7EFFED2E3A7110FB4DFB50FAAF" box="[1089,1177,1268,1292]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="11" pageNumber="12">Fig. 3B</figureCitation>
). Intestine has a single loop, posterior intestinal caecum present. Few eggs in brood pouch.
</paragraph>
<paragraph id="710736FBFFED2E3A7598FA85FCB8F98F" blockId="11.[151,1436,151,2012]" pageId="11" pageNumber="12">
<emphasis id="43CCEAE9FFED2E3A7598FA85FECFFAF7" box="[201,262,1340,1364]" italics="true" pageId="11" pageNumber="12">Head</emphasis>
large, with dorsal margin regularly arched from rostrum to region of dorsal head pores. Border line between head shield and valves obscure in preserved animals. Rostrum relatively short. Frontal head pore as transverse split, located somewhat anterior to the bases of antenna I on the ventral surface of the head (its position is marked by an arrow in
<figureCitation id="E9832A7EFFED2E3A74CBFA11FE38FA63" box="[410,497,1448,1472]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="11" pageNumber="12">Fig. 3C</figureCitation>
). Compound eye rather large, located near dorsal margin of head markedly closer to the rostral extremity than to the head pores. Ocellus small, located at antenna I base. A single major “head pore” (dorsal organ) as a ringed, sub-oval field of special cuticle located on a dorsal bubble (
<figureCitation id="E9832A7EFFED2E3A7139FA49FB0AF9AB" box="[1128,1219,1520,1544]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="11" pageNumber="12">Fig. 3D</figureCitation>
). Lateral pore minute, circular and located at either side of major pore, closely to it.
</paragraph>
<paragraph id="710736FBFFED2E3A7598F981FF20F91F" blockId="11.[151,1436,151,2012]" pageId="11" pageNumber="12">
<emphasis id="43CCEAE9FFED2E3A7598F981FEEBF9F3" box="[201,290,1592,1616]" italics="true" pageId="11" pageNumber="12">Labrum</emphasis>
fleshy body, with a medium-sized median keel, terminating in a broadly rounded apex (
<figureCitation id="E9832A7EFFED2E3A7051F981FA9EF9F3" box="[1280,1367,1592,1616]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="11" pageNumber="12">Fig. 3C</figureCitation>
), keel anterior margin slightly convex, without setulation, posterior margin almost straight. Distal labral plate with short setulation. Paired lateral projections on labrum well-developed, horn-like, with apexes directed anterior (
<figureCitation id="E9832A7EFFED2E3A706EF939FA5EF93B" box="[1343,1431,1664,1688]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="11" pageNumber="12">Fig. 3C</figureCitation>
, arrow).
</paragraph>
<paragraph id="710736FBFFED2E3A7598F971FE91F837" blockId="11.[151,1436,151,2012]" pageId="11" pageNumber="12">
<emphasis id="43CCEAE9FFED2E3A7598F971FED8F943" box="[201,273,1736,1760]" italics="true" pageId="11" pageNumber="12">Valves</emphasis>
generally ovoid (VL/BL=
<quantity id="B6409B1EFFED2E3A771BF971FD13F943" box="[586,730,1736,1760]" metricMagnitude="-2" metricUnit="m" metricValue="2.159" metricValueMax="2.286" metricValueMin="2.032" pageId="11" pageNumber="12" unit="in" value="0.85" valueMax="0.9" valueMin="0.8">0.80–0.90 in</quantity>
both juveniles and largest adults), with very obscure, almost invisible reticulation. Antero-ventral portion of valves slightly prominent, with a special narrow flap (
<figureCitation id="E9832A7EFFED2E3A706BF955FA5EF8A7" box="[1338,1431,1772,1796]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="11" pageNumber="12">Fig. 3A</figureCitation>
, arrow). Continuous row of setae along ventral rim of valves, the anterior most members short, setae then sharply increasing in size posterior to the prominence on ventral margin, and finally gradually decreasing in size to posteroventral valve portion. Postero-ventral angle with a row of thin spinules. This row continues to ventral portion of posterior margin.
</paragraph>
<paragraph id="710736FBFFED2E3A7598F819FE20F87F" blockId="11.[151,1436,151,2012]" pageId="11" pageNumber="12">
<emphasis id="43CCEAE9FFED2E3A7598F819FED3F81B" box="[201,282,1952,1976]" italics="true" pageId="11" pageNumber="12">Thorax</emphasis>
without external traces of segmentation, with six limb pairs. Abdomen thick; no abdominal projections on dorsal part of all segments.
</paragraph>
<caption id="25C76673FFEA2E3D75C6F896FC16F87C" ID-DOI="http://doi.org/10.5281/zenodo.5248217" ID-Zenodo-Dep="5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="12" pageNumber="13" startId="12.[151,250,1839,1862]" targetBox="[214,1374,201,1803]" targetPageId="12">
<paragraph id="710736FBFFEA2E3D75C6F896FC16F87C" blockId="12.[151,1436,1839,2015]" pageId="12" pageNumber="13">
<emphasis id="43CCEAE9FFEA2E3D75C6F896FEDAF8E5" bold="true" box="[151,275,1839,1862]" pageId="12" pageNumber="13">FIGURE 3.</emphasis>
<taxonomicName id="B6B84D78FFEA2E3D744BF889FDEBF8E6" authorityName="Frey" authorityYear="1973" box="[282,546,1839,1861]" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="12" pageNumber="13" phylum="Arthropoda" rank="species" species="macracanthus">
<emphasis id="43CCEAE9FFEA2E3D744BF889FDEBF8E6" box="[282,546,1839,1861]" italics="true" pageId="12" pageNumber="13">Eurycercus macracanthus</emphasis>
</taxonomicName>
, parthenogenetic female from a small lake covered by
<taxonomicName id="B6B84D78FFEA2E3D7103F896FACBF8E6" box="[1106,1282,1839,1861]" class="Liliopsida" family="Hydrocharitaceae" genus="Stratiotes" kingdom="Plantae" order="Alismatales" pageId="12" pageNumber="13" phylum="Tracheophyta" rank="species" species="aloides">
<emphasis id="43CCEAE9FFEA2E3D7103F896FACBF8E6" box="[1106,1282,1839,1861]" italics="true" pageId="12" pageNumber="13">Stratiotes aloides</emphasis>
</taxonomicName>
, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H).
</paragraph>
</caption>
<caption id="25C76673FFEB2E3C75C6F8E4FCC8F84D" ID-DOI="http://doi.org/10.5281/zenodo.5248219" ID-Zenodo-Dep="5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="13" pageNumber="14" startId="13.[151,250,1885,1908]" targetBox="[240,1365,199,1868]" targetPageId="13">
<paragraph id="710736FBFFEB2E3C75C6F8E4FCC8F84D" blockId="13.[151,1436,1885,2030]" pageId="13" pageNumber="14">
<emphasis id="43CCEAE9FFEB2E3C75C6F8E4FEC4F8D7" bold="true" box="[151,269,1885,1908]" pageId="13" pageNumber="14">FIGURE 4</emphasis>
.
<taxonomicName id="B6B84D78FFEB2E3C744DF8E6FDEDF8D7" authorityName="Frey" authorityYear="1973" box="[284,548,1886,1908]" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="macracanthus">
<emphasis id="43CCEAE9FFEB2E3C744DF8E6FDEDF8D7" box="[284,548,1886,1908]" italics="true" pageId="13" pageNumber="14">Eurycercus macracanthus</emphasis>
</taxonomicName>
, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm.
</paragraph>
</caption>
<paragraph id="710736FBFFE82E3F7598FF21FAF0FD48" blockId="14.[151,1437,151,2034]" pageId="14" pageNumber="15">
<emphasis id="43CCEAE9FFE82E3F7598FF21FEA8FF13" box="[201,353,152,176]" italics="true" pageId="14" pageNumber="15">Postabdomen</emphasis>
as a large (PL/BL= 0.44–0.46), relatively broad (
<collectingCountry id="09AF766BFFE82E3F76DEFF2EFC7DFF0C" box="[911,948,151,175]" name="Philippines" pageId="14" pageNumber="15">PH</collectingCountry>
/PL= about
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juveniles and
<quantity id="B6409B1EFFE82E3F707DFF2EFF64FF70" metricMagnitude="-2" metricUnit="m" metricValue="1.2446" metricValueMax="1.27" metricValueMin="1.2192" pageId="14" pageNumber="15" unit="in" value="0.49" valueMax="0.5" valueMin="0.48">0.48–0.50 in</quantity>
adults), flattened plate with sub-parallel dorsal and ventral margins (
<figureCitation id="E9832A7EFFE82E3F76E3FF02FBC0FF70" box="[946,1033,187,211]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="14" pageNumber="15">Fig. 3E</figureCitation>
). Anus opening distally; thus whole slightly convex dorsal margin represents preanal margin of postabdomen. Dorso-distal (preanal) angle well expressed, distal anal embayment relatively deep, dorsal portion of distal (=anal) margin straight to slightly concave. Postanal angle rounded (
<figureCitation id="E9832A7EFFE82E3F74A1FE9EFD8AFE9C" box="[496,579,295,319]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="14" pageNumber="15">Fig. 3F</figureCitation>
, arrow). Pre-claw portion of postabdomen as a conical prominence. Ventral margin of postabdomen slightly convex. Armature of the preanal margin as a series of preanal teeth, slightly and fluently increasing in size in distal direction; a small gap lacking any teeth at base of postabdominal setae (
<figureCitation id="E9832A7EFFE82E3F703FFED7FF75FE09" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="14" pageNumber="15">Fig. 3G</figureCitation>
); teeth in middle of preanal margin with sharp tips (NT= 90–92); distal most tooth somewhat larger than the others, located just on dorso-distal angle of postabdomen (
<figureCitation id="E9832A7EFFE82E3F7676FE0FFCB6FE6D" box="[807,895,438,462]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="14" pageNumber="15">Fig. 3E</figureCitation>
). On postanal and anal margins of postabdomen there are crescentic clusters of spines (homologues of postanal teeth of chydorids), distalmost members particularly large, predominantly clustered, teeth at base of pre-claw portion (=at distal part of anal margin) short, predominantly doubled (
<figureCitation id="E9832A7EFFE82E3F741CFD98FE56FD9A" box="[333,415,545,569]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="14" pageNumber="15">Fig. 3F</figureCitation>
, arrows). Sub-parallel rows of minute setules on whole lateral surface of postabdomen (not represented in
<figureCitation id="E9832A7EFFE82E3F746AFDFDFE45FDFF" box="[315,396,580,604]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="14" pageNumber="15">Fig. 3E</figureCitation>
due to their minute size). Postabdominal setae short (less than half of preanal margin length), bisegmented, distal segment shorter than basal one and bilaterally setulated (
<figureCitation id="E9832A7EFFE82E3F76AFFDD1FB9FFD23" box="[1022,1110,616,640]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="14" pageNumber="15">Fig. 3E</figureCitation>
). Setae located on a distinct, nut-like base (
<figureCitation id="E9832A7EFFE82E3F7467FD35FE59FD07" box="[310,400,652,676]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="14" pageNumber="15">Fig. 3G</figureCitation>
). Postabdominal claw relatively robust (CL/PL= 0.23–0.25); with massive base; weakly and evenly tapered in distal direction, and slightly curved. Two basal spines, first (distal) long (DS/CL= 0.33–0.47), second (basal) short (BS/CL=0.2–0.27; BS/DS = about 0.6), located dorsally immediately at base of claw.
</paragraph>
<paragraph id="710736FBFFE82E3F7598FD4EFEA5FC3D" blockId="14.[151,1437,151,2034]" pageId="14" pageNumber="15">
<emphasis id="43CCEAE9FFE82E3F7598FD4EFEF3FCAC" box="[201,314,759,783]" italics="true" pageId="14" pageNumber="15">Antenna I</emphasis>
(antennule) relatively short (AL/BL= 0.08–0.10; AL/DA=2.8–4.0); with maximal width in basal half, with its distal 2/3 evenly tapering distally (
<figureCitation id="E9832A7EFFE82E3F77FAFCA2FCCDFC90" box="[683,772,795,819]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="14" pageNumber="15">Fig. 3H</figureCitation>
); protruding beyond tip of rostrum. Slender antennular sensory seta about half of antenna I length, arising at antenna I middle. Nine bisegmented aesthetascs with pointed teeth around them. No setules at anterior margin of antenna I. Numerous short rows of minute denticles encircling antennular surface.
</paragraph>
<paragraph id="710736FBFFE82E3F7598FC13FA5FFB1F" blockId="14.[151,1437,151,2034]" pageId="14" pageNumber="15">
<emphasis id="43CCEAE9FFE82E3F7598FC13FE89FC61" box="[201,320,938,962]" italics="true" pageId="14" pageNumber="15">Antenna II</emphasis>
relatively short (
<figureCitation id="E9832A7EFFE82E3F74ACFC13FD82FC61" box="[509,587,938,962]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="14" pageNumber="15">Fig. 3I</figureCitation>
). Several projections on its external surface in coxal region. On one of them with two bisegmented setae, unequal in length, next projection with semi-circular row of setules; distalmost projection inflated, with numerous strong spinules. Massive basal segment with a relatively long seta distally on anterior surface and rows of short denticles. Both branches with elongated segments, basal most members particularly elongated; all segments with rows of short denticles. Setae 0-0-3/1-1-3; both apical and lateral setae long, clearly bisegmented, with long hairs on both basal and distal segments. Spines 1-0-1/0-0-1. No additional spines on distal parts of any segments of either branch. Length of apical spines and of segments from which they arise, sub-equal; length of spine situated on proximal segment of exopod somewhat shorter than length of second segment (
<figureCitation id="E9832A7EFFE82E3F71BAFB1DFAF1FB1F" box="[1259,1336,1188,1212]" captionStart="FIGURE 3" captionStartId="12.[151,250,1839,1862]" captionTargetBox="[214,1374,201,1803]" captionTargetId="figure-137@12.[212,1380,193,1809]" captionTargetPageId="12" captionText="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5248217" httpUri="https://zenodo.org/record/5248217/files/figure.png" pageId="14" pageNumber="15">Fig. 3I</figureCitation>
, arrow).
</paragraph>
<paragraph id="710736FBFFE82E3F7598FB71FB1CFB43" blockId="14.[151,1437,151,2034]" box="[201,1237,1224,1248]" pageId="14" pageNumber="15">
<emphasis id="43CCEAE9FFE82E3F7598FB71FEF6FB43" box="[201,319,1224,1248]" italics="true" pageId="14" pageNumber="15">Mandibles</emphasis>
relatively elongated, articulated with integument between head shield and valves.
</paragraph>
<paragraph id="710736FBFFE82E3F7598FB55FB20FA84" blockId="14.[151,1437,151,2034]" pageId="14" pageNumber="15">
<emphasis id="43CCEAE9FFE82E3F7598FB55FEFBFAA0" box="[201,306,1260,1284]" italics="true" pageId="14" pageNumber="15">Maxilla I</emphasis>
with three densely setulated setae and a fourth short seta-like structure (as it was described for
<taxonomicName id="B6B84D78FFE82E3F70D5FB55FEC5FA84" baseAuthorityName="O. F. Muller" baseAuthorityYear="1776" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="lamellatus">
<emphasis id="43CCEAE9FFE82E3F70D5FB55FEC5FA84" italics="true" pageId="14" pageNumber="15">E. lamellatus</emphasis>
</taxonomicName>
by
<bibRefCitation id="15294B0AFFE82E3F7464FAA9FE19FA84" author="Kotov, A. A." box="[309,464,1295,1319]" pageId="14" pageNumber="15" pagination="159 - 173" refId="ref26979" refString="Kotov, A. A. (2000) Morphology and variability of Eurycercus lamellatus (O. F. Muller, 1776) (Branchiopoda: Anomopoda: Eurycercidae) from Lake Glubokoe, Moscow Area, central Russia. Arthropoda Selecta, 9 (3), 159 - 173." type="journal article" year="2000">Kotov (2000)</bibRefCitation>
.
<emphasis id="43CCEAE9FFE82E3F748AFAB6FD85FA84" box="[475,588,1295,1319]" italics="true" pageId="14" pageNumber="15">Maxilla II</emphasis>
absent in adults and in juveniles (
<bibRefCitation id="15294B0AFFE82E3F7699FAB6FB81FA84" author="Fryer, G." box="[968,1096,1295,1319]" pageId="14" pageNumber="15" pagination="335 - 381" refId="ref26161" refString="Fryer, G. (1963) The functional morphology and the feeding mechanism of the chydorid cladoceran Eurycercus lamellatus (O. F. Muller). Transactions of the Royal Society of Edinburgh: Earth Sciences, 65, 335 - 381." type="journal article" year="1963">Fryer 1963</bibRefCitation>
;
<bibRefCitation id="15294B0AFFE82E3F7105FAA9FB14FA84" author="Kotov, A. A." box="[1108,1245,1295,1319]" pageId="14" pageNumber="15" pagination="393 - 405" refId="ref26942" refString="Kotov, A. A. (1996) Fate of the second maxilla during embryogenesis in some Anomopoda Crustacea (Branchiopoda). Zoological Journal of the Linnean Society, 116, 393 - 405." type="journal article" year="1996">Kotov 1996</bibRefCitation>
).
</paragraph>
<paragraph id="710736FBFFE82E3F7598FA8AFEB7F824" blockId="14.[151,1437,151,2034]" pageId="14" pageNumber="15">
<emphasis id="43CCEAE9FFE82E3F7598FA8AFEDFFAE8" box="[201,278,1331,1355]" italics="true" pageId="14" pageNumber="15">Limb I</emphasis>
large, epipodite without a finger-like projection (not represented in
<figureCitation id="E9832A7EFFE82E3F7164FA8AFB5BFAE8" box="[1077,1170,1331,1355]" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="14" pageNumber="15">Fig. 4A</figureCitation>
). Two accessory setae, unequal in size and setulated in distal parts, are the distal most structures of the distal portion of limb I (also not represented in
<figureCitation id="E9832A7EFFE82E3F746CFAC3FE51FA31" box="[317,408,1402,1426]" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="14" pageNumber="15">Fig. 4A</figureCitation>
). Outer distal lobe with 2 setae of very unequal size on its top (
<figureCitation id="E9832A7EFFE82E3F7134FAC3FB77FA31" box="[1125,1214,1402,1426]" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="14" pageNumber="15">Fig. 4A</figureCitation>
, ODL). Inner distal lobe (
<figureCitation id="E9832A7EFFE82E3F758BFA27FEFFFA15" box="[218,310,1438,1462]" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="14" pageNumber="15">Fig. 4A</figureCitation>
, IDL) with three bisegmented setae, named as clasping hooks in term of
<bibRefCitation id="15294B0AFFE82E3F71C0FA26FAEDFA15" author="Fryer, G." box="[1169,1316,1438,1463]" pageId="14" pageNumber="15" pagination="335 - 381" refId="ref26161" refString="Fryer, G. (1963) The functional morphology and the feeding mechanism of the chydorid cladoceran Eurycercus lamellatus (O. F. Muller). Transactions of the Royal Society of Edinburgh: Earth Sciences, 65, 335 - 381." type="journal article" year="1963">Fryer (1963)</bibRefCitation>
, generally decreasing in size towards endites, among them, a remarkable especially strong hook-like seta (
<figureCitation id="E9832A7EFFE82E3F719DFA7BFAECFA79" box="[1228,1317,1474,1498]" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="14" pageNumber="15">Fig. 4A</figureCitation>
, arrow). It is necessary to note that the relative size of this hook varies strongly among populations, but in any case the base of this seta occupies the whole top of the IDL in contrast to all other species (
<figureCitation id="E9832A7EFFE82E3F76B4F9B0FB97F982" box="[997,1118,1545,1569]" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="14" pageNumber="15">Fig. 4B–C</figureCitation>
), although their hook sometimes is also relatively large. Also the IDL supplied with 4 groups of spinules, named here after
<bibRefCitation id="15294B0AFFE82E3F719CF997FA96F9E6" author="Hann, B. J." box="[1229,1375,1581,1605]" pageId="14" pageNumber="15" pagination="585 - 610" refId="ref26253" refString="Hann, B. J. (1982) Two new species of Eurycercus (Bullatifrons) from Eastern North America (Chydoridae, Cladocera). Taxonomy, ontogeny, and biology. Internationale Revue der gesamten Hydrobiologie und Hydrographie, 67, 585 - 610." type="journal article" year="1982">Hann (1982)</bibRefCitation>
: long distal spinules (
<quantity id="B6409B1EFFE82E3F7415F9E8FE45F9CA" box="[324,396,1617,1641]" metricMagnitude="-1" metricUnit="m" metricValue="1.524" metricValueMax="1.778" metricValueMin="1.27" pageId="14" pageNumber="15" unit="in" value="6.0" valueMax="7.0" valueMin="5.0">5–7 in</quantity>
largest adults,
<figureCitation id="E9832A7EFFE82E3F7767F9E8FD44F9CA" box="[566,653,1617,1641]" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="14" pageNumber="15">Fig. 4C</figureCitation>
, dis), long proximal spinules (pro,
<quantity id="B6409B1EFFE82E3F7145F9E8FBBFF9CA" box="[1044,1142,1617,1641]" metricMagnitude="-1" metricUnit="m" metricValue="3.429" metricValueMax="4.064" metricValueMin="2.794" pageId="14" pageNumber="15" unit="in" value="13.5" valueMax="16.0" valueMin="11.0">11–16 in</quantity>
largest adults), short marginal spinules (mar,
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largest adults) and very short basal spinules (bas,
<quantity id="B6409B1EFFE82E3F76BAF9CDFBF8F92F" box="[1003,1073,1652,1676]" metricMagnitude="-2" metricUnit="m" metricValue="7.62" metricValueMax="10.16" metricValueMin="5.08" pageId="14" pageNumber="15" unit="in" value="3.0" valueMax="4.0" valueMin="2.0">2–4 in</quantity>
largest adults); a field of minute denticles on IDL basally, named as grinding tubercles by
<bibRefCitation id="15294B0AFFE82E3F764CF920FC6FF913" author="Frey, D. G." box="[797,934,1688,1713]" pageId="14" pageNumber="15" pagination="263 - 300" refId="ref25854" refString="Frey, D. G. (1975) Subgeneric differentiation within Eurycercus (Cladocera, Chydoridae) and a new species from Northern Sweden. Hydrobiologia, 46, 263 - 300." type="journal article" year="1975">Frey (1975)</bibRefCitation>
. Endite III with three setulated, bisegmented posterior setae of similar size (a–c), and a setulated, stiff anterior seta 1 with a small sensillum near its base. Endite II with three posterior setae (d–f) analogous to those on eIII, and a stiff, setulated anterior seta 2, a very small sensillum near its base. Endite I with 3 posterior setae (g–i), and a stiff anterior seta 3. Two ejector hooks anteriorly on outer portion of limb corm. Well-developed maxillar process, earlier shown in embryos to be a remainder of gnathobase I (
<bibRefCitation id="15294B0AFFE82E3F745AF8F2FE5FF8C0" author="Kotov, A. A." box="[267,406,1867,1891]" pageId="14" pageNumber="15" pagination="393 - 405" refId="ref26942" refString="Kotov, A. A. (1996) Fate of the second maxilla during embryogenesis in some Anomopoda Crustacea (Branchiopoda). Zoological Journal of the Linnean Society, 116, 393 - 405." type="journal article" year="1996">Kotov 1996</bibRefCitation>
), bearing three slender, fully and densely setulated setae on inner side of limb base (not represented in
<figureCitation id="E9832A7EFFE82E3F7449F8D6FEB8F824" box="[280,369,1903,1927]" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="14" pageNumber="15">Fig. 4A</figureCitation>
).
</paragraph>
<paragraph id="710736FBFFE82E3E7598F82AFC43FE9C" blockId="14.[151,1437,151,2034]" lastBlockId="15.[151,1437,151,1620]" lastPageId="15" lastPageNumber="16" pageId="14" pageNumber="15">
<emphasis id="43CCEAE9FFE82E3F7598F82AFED7F809" box="[201,286,1939,1963]" italics="true" pageId="14" pageNumber="15">Limb II</emphasis>
with ovoid epipodite bearing a relatively short finger-like projection; exopodite as a small lobe (
<figureCitation id="E9832A7EFFE82E3F703EF82BFF75F86D" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="14" pageNumber="15">Fig. 4D</figureCitation>
, arrow). At inner side of limb, a row of eight stiff marginal scrapers (
<figureCitation id="E9832A7EFFE82E3F76EBF80FFB80F86D" box="[954,1097,1974,1998]" captionStart-0="FIGURE 4" captionStart-1="FIGURE 1" captionStart-2="FIGURE 2" captionStart-3="FIGURE 3" captionStart-4="FIGURE 5" captionStart-5="FIGURE 6" captionStart-6="FIGURE 7" captionStart-7="FIGURE 8" captionStartId-0="13.[151,250,1885,1908]" captionStartId-1="6.[151,250,1495,1518]" captionStartId-2="8.[151,250,1721,1744]" captionStartId-3="12.[151,250,1839,1862]" captionStartId-4="16.[151,250,1938,1961]" captionStartId-5="21.[151,250,1873,1896]" captionStartId-6="22.[151,250,1907,1930]" captionStartId-7="25.[151,250,1901,1924]" captionTargetBox-0="[240,1365,199,1868]" captionTargetBox-1="[188,1405,223,1440]" captionTargetBox-2="[162,1395,434,1668]" captionTargetBox-3="[214,1374,201,1803]" captionTargetBox-4="[196,1396,197,1858]" captionTargetBox-5="[209,1377,201,1823]" captionTargetBox-6="[247,1342,185,1882]" captionTargetBox-7="[155,1424,527,1873]" captionTargetId-0="figure-117@13.[233,1367,193,1878]" captionTargetId-1="figure-267@6.[151,1436,195,1471]" captionTargetId-2="figure-263@8.[151,1436,405,1706]" captionTargetId-3="figure-137@12.[212,1380,193,1809]" captionTargetId-4="figure-86@16.[188,1398,193,1918]" captionTargetId-5="figure-122@21.[209,1377,193,1832]" captionTargetId-6="figure-103@22.[243,1345,175,1891]" captionTargetId-7="figure-249@25.[151,1436,517,1889]" captionTargetPageId-0="13" captionTargetPageId-1="6" captionTargetPageId-2="8" captionTargetPageId-3="12" captionTargetPageId-4="16" captionTargetPageId-5="21" captionTargetPageId-6="22" captionTargetPageId-7="25" captionText-0="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." captionText-1="FIGURE 1. Distribution of species from the subgenus Eurycercus (Eurycercus) emend. nov. in the Holarctic according to our original samples—no literature data included. E. lamellatus—grey circles. E. macracanthus—black circles. E. pompholygodes—solid quadrates (red in electronic version). E. microdontus—black stars. E. longirostris—grey quadrates. E. nipponica—solid triangles (green in electronic version). E. beringi sp. nov.—black crosses." captionText-2="FIGURE 2. Characteristic traits of different species of Eurycercus (Eurycercus) emend. nov. A–B, E. longirostris, dorsal view and dorsal head pores in lateral view. C–D, E. lamellatus, dorsal view and dorsal head pores in lateral view. E–F, E. beringi sp. nov., dorsal view and dorsal head pores in lateral view. Rather schematic, not to scale." captionText-3="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." captionText-4="FIGURE 5. Eurycercus pompholygodes, parthenogenetic female from Lake №6 near River Tareya, a tributary of River Pyasina, Taimyr Autonomous Area, Russia. A, lateral view. B, ventral view. C, anterior view. D, head. E, head pores. F, postabdomen. G, its distal portion. H, antenna I. I–J, inner distal lobe of limb I. Scale bar denotes 1 mm (A–C); 0.1 mm (D–J)." captionText-5="FIGURE 6. Eurycercus longirostris, parthenogenetic female from CPR WDS, California, U.S.A. (A, C, D, F, G, H, K, L); Oliver Lake, Indiana, U.S.A. (B, E, I); Lake La Luna, in the crater of the volcano Nevado de Toluca, State of Mexico, Mexico (J). A, lateral view. B, head. C, head shield. D, head pores. E, labrum, ventral view. F, setae at anterior portion of valves. G, setae at postero-ventral portion of valve. H, armature of valve posterior margin. I, postabdomen. J, its distal portion. K, antenna I. L, antenna II. Scale bar denotes 1 mm (A); 0.1 mm (B-I)." captionText-6="FIGURE 7. Eurycercus longirostris, limbs of parthenogenetic female from CPR WDS, California, USA (A–C, E–K); Lake La Luna, in the crater of the volcano Nevado de Toluca, State of Mexico, Mexico (D, L). A, limb I. B, its distal portion. C–D, inner distal lobe. E, limb II. F, distal armature of its gnathobase. G, limb III. H, its inner-distal portion. I, limb IV. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." captionText-7="FIGURE 8. Eurycercus nipponica, female from a swampy area (with a fresh bear trail in time of sampling) near Travianoy Cape, Kurilskoe Lake, Kamchatka Area, Russia A, parthenogenetic female, lateral view. B–C, ephippial female, lateral and anterior view. D, parthenogenetic female, ventral view. E, head. F, dorsal head pores. G, postabdomen. H, its distal portion. I, its basal portion. J, antenna I. K, antenna II. Scale bar denotes 1 mm (A–D); 0.1 mm (E–K)." figureDoi-0="http://doi.org/10.5281/zenodo.5248219" figureDoi-1="http://doi.org/10.5281/zenodo.5248213" figureDoi-2="http://doi.org/10.5281/zenodo.5248215" figureDoi-3="http://doi.org/10.5281/zenodo.5248217" figureDoi-4="http://doi.org/10.5281/zenodo.5248221" figureDoi-5="http://doi.org/10.5281/zenodo.5248223" figureDoi-6="http://doi.org/10.5281/zenodo.5248225" figureDoi-7="http://doi.org/10.5281/zenodo.5248229" httpUri-0="https://zenodo.org/record/5248219/files/figure.png" httpUri-1="https://zenodo.org/record/5248213/files/figure.png" httpUri-2="https://zenodo.org/record/5248215/files/figure.png" httpUri-3="https://zenodo.org/record/5248217/files/figure.png" httpUri-4="https://zenodo.org/record/5248221/files/figure.png" httpUri-5="https://zenodo.org/record/5248223/files/figure.png" httpUri-6="https://zenodo.org/record/5248225/files/figure.png" httpUri-7="https://zenodo.org/record/5248229/files/figure.png" pageId="14" pageNumber="15">Fig. 4D, 1–8</figureCitation>
); setae 1–2 with more delicate feathering, setae 3–8 with relatively robust denticle. Posteriorly on limb corm 8 soft setae: distal most one (a) short; next two ones (b–c) longest, relatively stout, armed in distal portions by short setules; basal most ones (d–h) similarly feathered by long hairs. Distal armature of gnathobase with four setae, one of them a minute sensillum (
<figureCitation id="E9832A7EFFE92E3E703FFF05FF71FF54" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="15" pageNumber="16">Fig. 4E</figureCitation>
,
<figureCitation id="E9832A7EFFE92E3E7597FF66FF1AFF54" box="[198,211,223,247]" captionStart="FIGURE 1" captionStartId="6.[151,250,1495,1518]" captionTargetBox="[188,1405,223,1440]" captionTargetId="figure-267@6.[151,1436,195,1471]" captionTargetPageId="6" captionText="FIGURE 1. Distribution of species from the subgenus Eurycercus (Eurycercus) emend. nov. in the Holarctic according to our original samples—no literature data included. E. lamellatus—grey circles. E. macracanthus—black circles. E. pompholygodes—solid quadrates (red in electronic version). E. microdontus—black stars. E. longirostris—grey quadrates. E. nipponica—solid triangles (green in electronic version). E. beringi sp. nov.—black crosses." figureDoi="http://doi.org/10.5281/zenodo.5248213" httpUri="https://zenodo.org/record/5248213/files/figure.png" pageId="15" pageNumber="16">1</figureCitation>
), located far from the others, a row of denticles (about
<quantity id="B6409B1EFFE92E3E7607FF66FC4AFF54" box="[854,899,223,247]" metricMagnitude="-1" metricUnit="m" metricValue="1.27" pageId="15" pageNumber="16" unit="in" value="5.0">5 in</quantity>
largest adults) near it. Filter plate with 8 long, densely setulated setae; distal most seta of filter plate clearly smaller than the others, second-third ones slightly shorter than others. Additional bunch of setules basal to filter plate.
</paragraph>
<paragraph id="710736FBFFE92E3E7598FEF5FA55FDFC" blockId="15.[151,1437,151,1620]" pageId="15" pageNumber="16">
<emphasis id="43CCEAE9FFE92E3E7598FEF5FEEEFEC7" box="[201,295,332,356]" italics="true" pageId="15" pageNumber="16">Limb III</emphasis>
with a small pre-epipodite and a relatively large epipodite lacking a finger-like projection (
<figureCitation id="E9832A7EFFE92E3E7069FEF5FA59FEC7" box="[1336,1424,332,356]" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="15" pageNumber="16">Fig. 4F</figureCitation>
). Exopodite flat, smaller than those of limbs IV–V. Distally, five setae of unequal size (
<figureCitation id="E9832A7EFFE92E3E7138FED6FB3CFE24" box="[1129,1269,367,391]" captionStart-0="FIGURE 4" captionStart-1="FIGURE 1" captionStart-2="FIGURE 2" captionStart-3="FIGURE 3" captionStart-4="FIGURE 5" captionStartId-0="13.[151,250,1885,1908]" captionStartId-1="6.[151,250,1495,1518]" captionStartId-2="8.[151,250,1721,1744]" captionStartId-3="12.[151,250,1839,1862]" captionStartId-4="16.[151,250,1938,1961]" captionTargetBox-0="[240,1365,199,1868]" captionTargetBox-1="[188,1405,223,1440]" captionTargetBox-2="[162,1395,434,1668]" captionTargetBox-3="[214,1374,201,1803]" captionTargetBox-4="[196,1396,197,1858]" captionTargetId-0="figure-117@13.[233,1367,193,1878]" captionTargetId-1="figure-267@6.[151,1436,195,1471]" captionTargetId-2="figure-263@8.[151,1436,405,1706]" captionTargetId-3="figure-137@12.[212,1380,193,1809]" captionTargetId-4="figure-86@16.[188,1398,193,1918]" captionTargetPageId-0="13" captionTargetPageId-1="6" captionTargetPageId-2="8" captionTargetPageId-3="12" captionTargetPageId-4="16" captionText-0="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." captionText-1="FIGURE 1. Distribution of species from the subgenus Eurycercus (Eurycercus) emend. nov. in the Holarctic according to our original samples—no literature data included. E. lamellatus—grey circles. E. macracanthus—black circles. E. pompholygodes—solid quadrates (red in electronic version). E. microdontus—black stars. E. longirostris—grey quadrates. E. nipponica—solid triangles (green in electronic version). E. beringi sp. nov.—black crosses." captionText-2="FIGURE 2. Characteristic traits of different species of Eurycercus (Eurycercus) emend. nov. A–B, E. longirostris, dorsal view and dorsal head pores in lateral view. C–D, E. lamellatus, dorsal view and dorsal head pores in lateral view. E–F, E. beringi sp. nov., dorsal view and dorsal head pores in lateral view. Rather schematic, not to scale." captionText-3="FIGURE 3. Eurycercus macracanthus, parthenogenetic female from a small lake covered by Stratiotes aloides, on left side of Sosnovka-Ahuny road, vicinities of Penza, Penza Area (A); small water bodies near Zeya Water Reservoir dam, Amur Area (B); Lake Bezymiannoje, near the Schugor River, Komi Autonomous Republic (C); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (D, F, H, I); Lake Svetloe near River Chulym, Tomsk Area (G, E), all in Russia. A, lateral view. B, anterior view. C, head, lateral view. D, head pores. E, postabdomen. F, its distal portion. G, its basal portion. H, antenna I. I, antenna II. Scale bar denotes 1 mm (A–B); 0.1 mm (C–H)." captionText-4="FIGURE 5. Eurycercus pompholygodes, parthenogenetic female from Lake №6 near River Tareya, a tributary of River Pyasina, Taimyr Autonomous Area, Russia. A, lateral view. B, ventral view. C, anterior view. D, head. E, head pores. F, postabdomen. G, its distal portion. H, antenna I. I–J, inner distal lobe of limb I. Scale bar denotes 1 mm (A–C); 0.1 mm (D–J)." figureDoi-0="http://doi.org/10.5281/zenodo.5248219" figureDoi-1="http://doi.org/10.5281/zenodo.5248213" figureDoi-2="http://doi.org/10.5281/zenodo.5248215" figureDoi-3="http://doi.org/10.5281/zenodo.5248217" figureDoi-4="http://doi.org/10.5281/zenodo.5248221" httpUri-0="https://zenodo.org/record/5248219/files/figure.png" httpUri-1="https://zenodo.org/record/5248213/files/figure.png" httpUri-2="https://zenodo.org/record/5248215/files/figure.png" httpUri-3="https://zenodo.org/record/5248217/files/figure.png" httpUri-4="https://zenodo.org/record/5248221/files/figure.png" pageId="15" pageNumber="16">Fig. 4F, 1–5</figureCitation>
), lateral group consists of three setae (6–8, armature of seta 7 not represented), setae 8 especially long. Distal portion of inner limb part forms a partly isolated lobe, distal endite
<emphasis id="43CCEAE9FFE92E3E77F6FE00FD2CFE73" box="[679,741,441,464]" italics="true" pageId="15" pageNumber="16">sensu</emphasis>
Kotov (1999, 2000), external endite
<emphasis id="43CCEAE9FFE92E3E71DEFE00FB04FE73" box="[1167,1229,441,464]" italics="true" pageId="15" pageNumber="16">sensu</emphasis>
Dumont &amp; Silva- Briano (1998) with three bisegmented anterior setae (1–3). Basal endite, internal endite
<emphasis id="43CCEAE9FFE92E3E7138FE64FB6EFE57" box="[1129,1191,477,500]" italics="true" pageId="15" pageNumber="16">sensu</emphasis>
<bibRefCitation id="15294B0AFFE92E3E71FCFE65FED8FDB4" author="Dumont, H. J. &amp; Silva-Briano, M." pageId="15" pageNumber="16" pagination="119 - 149" refId="ref25020" refString="Dumont, H. J. &amp; Silva-Briano, M. (1998) A reclassification of the anomopod families Macrothricidae and Chydoridae, with the creation of a new suborder, the Radopoda (Crustacea: Branchiopoda). Hydrobiologia, 384, 119 - 149." type="journal article" year="1998">Dumont &amp; Silva-Briano (1998)</bibRefCitation>
larger than distal endite. Marginally, a row of 4 stiff setae (4–7). Seven long soft setae of subequal size (a–g) on limb corm posteriorly. Gnathobase weakly demarcated from basal endite, distal armature with 4 members, one of them (
<figureCitation id="E9832A7EFFE92E3E747AFDFEFE48FDFC" box="[299,385,583,607]" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="15" pageNumber="16">Fig. 4G</figureCitation>
,
<figureCitation id="E9832A7EFFE92E3E74DDFDFEFE51FDFC" box="[396,408,583,607]" captionStart="FIGURE 1" captionStartId="6.[151,250,1495,1518]" captionTargetBox="[188,1405,223,1440]" captionTargetId="figure-267@6.[151,1436,195,1471]" captionTargetPageId="6" captionText="FIGURE 1. Distribution of species from the subgenus Eurycercus (Eurycercus) emend. nov. in the Holarctic according to our original samples—no literature data included. E. lamellatus—grey circles. E. macracanthus—black circles. E. pompholygodes—solid quadrates (red in electronic version). E. microdontus—black stars. E. longirostris—grey quadrates. E. nipponica—solid triangles (green in electronic version). E. beringi sp. nov.—black crosses." figureDoi="http://doi.org/10.5281/zenodo.5248213" httpUri="https://zenodo.org/record/5248213/files/figure.png" pageId="15" pageNumber="16">1</figureCitation>
) a large, bottle-shaped sensillum located far from the others. Nine-eight setae in filter plate.
</paragraph>
<paragraph id="710736FBFFE92E3E7598FDD5FD49FCDC" blockId="15.[151,1437,151,1620]" pageId="15" pageNumber="16">
<emphasis id="43CCEAE9FFE92E3E7598FDD5FEEFFD27" box="[201,294,620,644]" italics="true" pageId="15" pageNumber="16">Limb IV</emphasis>
with pre-epipodite as a setulated hillock; epipodite large, ovoid, with a long finger-like projection (
<figureCitation id="E9832A7EFFE92E3E75CEFD36FF32FD04" box="[159,251,655,679]" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="15" pageNumber="16">Fig. 4H</figureCitation>
). Exopodite oval, with two distal, relatively stout, bisegmented setae of unequal size, armed by short setules (1–2), other six setae feathered bilaterally by very long hairs (3–8). Marginally on inner limb face, a row of four stiff anterior setae (1–4). Seta 1 slightly shorter, setae 2–4 approximately of equal size, setulated distally. Posteriorly, five soft setae (a–e) with subequal length. Distal armature of gnathobase with 4 members (1–4). One of them a long, bisegmented seta, densely feathered in distal part (2), two others small (3–4), a large, bottle-shaped sensillum (1) is a fourth member of gnathobasic armature (similar to limb III). Filter plate IV with 8–9 setae, middle ones slightly longer than marginal ones.
</paragraph>
<paragraph id="710736FBFFE92E3E7598FC35FD06FB90" blockId="15.[151,1437,151,1620]" pageId="15" pageNumber="16">
<emphasis id="43CCEAE9FFE92E3E7598FC35FEE8FC07" box="[201,289,908,932]" italics="true" pageId="15" pageNumber="16">Limb V</emphasis>
with pre-epipodite as a setulated hillock; epipodite with a long finger-like projection (
<figureCitation id="E9832A7EFFE92E3E7069FC35FA59FC07" box="[1336,1424,908,932]" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="15" pageNumber="16">Fig. 4J</figureCitation>
). Exopodite very large, with four short distal (1–4) and three large lateral (5–7) setae. Inner portion of limb with a protruding flap-like distal projection, fringed by long setules. Three marginal setae on inner face of limb, distal member slightly protruding behind distal endopodite projection, a sensillum near basalmost seta. Gnathobase with two small setae (
<figureCitation id="E9832A7EFFE92E3E7402FBA5FE64FB97" box="[339,429,1052,1076]" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="15" pageNumber="16">Fig. 4K</figureCitation>
). Filter plate with 8 setae.
</paragraph>
<paragraph id="710736FBFFE92E3E7598FBF9FCB9FBDF" blockId="15.[151,1437,151,1620]" pageId="15" pageNumber="16">
<emphasis id="43CCEAE9FFE92E3E7598FBF9FEEDFBFB" box="[201,292,1088,1112]" italics="true" pageId="15" pageNumber="16">Limb VI</emphasis>
triangular-shaped, with epipodite supplied with a relatively long finger-like projection and a bunch of setules somewhat distal to it; its inner margin setulated (
<figureCitation id="E9832A7EFFE92E3E765DFBDDFCADFBDF" box="[780,868,1124,1148]" captionStart="FIGURE 4" captionStartId="13.[151,250,1885,1908]" captionTargetBox="[240,1365,199,1868]" captionTargetId="figure-117@13.[233,1367,193,1878]" captionTargetPageId="13" captionText="FIGURE 4. Eurycercus macracanthus, limbs of parthenogenetic female from Lake Svetloe near River Chulym, Tomsk Area (A–B, D–K); Degtyarniy Zaton, a tributary of River Sura near village Sosnovka, vicinity of Penza, Penza Area (C); mouth of the Ulunga River, Amur Area (L), all in Russia. A, Limb I. B–C, inner distal lobe. D, limb II. E, distal armature of its gnathobase. F, limb III. G, distal armature of its gnathobase. H, limb IV. I, distal armature of its gnathobase. J, limb V. K, distal armature of its gnathobase. L, limb VI. Scale bar denotes 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5248219" httpUri="https://zenodo.org/record/5248219/files/figure.png" pageId="15" pageNumber="16">Fig. 4L</figureCitation>
).
</paragraph>
<paragraph id="710736FBFFE92E3E7598FB3EFD95FB03" blockId="15.[151,1437,151,1620]" box="[201,604,1159,1184]" pageId="15" pageNumber="16">
<emphasis id="43CCEAE9FFE92E3E7598FB3EFE2EFB03" bold="true" box="[201,487,1159,1184]" pageId="15" pageNumber="16">Ephippial female, Male.</emphasis>
Unknown
</paragraph>
<paragraph id="710736FBFFE92E3E7598FB15FB84FB67" blockId="15.[151,1437,151,1620]" box="[201,1101,1196,1220]" pageId="15" pageNumber="16">
<emphasis id="43CCEAE9FFE92E3E7598FB15FEEDFB67" bold="true" box="[201,292,1196,1220]" inLineHeading="true" pageId="15" pageNumber="16" reason="1">Length.</emphasis>
<quantity id="B6409B1EFFE92E3E747AFB15FE03FB60" box="[299,458,1196,1220]" metricMagnitude="-3" metricUnit="m" metricValue="1.315" metricValueMax="1.73" metricValueMin="0.9" pageId="15" pageNumber="16" unit="mm" value="1.315" valueMax="1.73" valueMin="0.9">0.90–1.73 mm</quantity>
in our material;
<quantity id="B6409B1EFFE92E3E77D4FB15FCEEFB60" box="[645,807,1196,1220]" metricMagnitude="-3" metricUnit="m" metricValue="1.295" metricValueMax="2.05" metricValueMin="0.54" pageId="15" pageNumber="16" unit="mm" value="1.295" valueMax="2.05" valueMin="0.54">0.54–2.05 mm</quantity>
according to Frey (1973).
</paragraph>
</subSubSection>
<subSubSection id="39A26570FFE92E3E7598FB76FC19FA93" pageId="15" pageNumber="16" type="discussion">
<paragraph id="710736FBFFE92E3E7598FB76FC19FA93" blockId="15.[151,1437,151,1620]" pageId="15" pageNumber="16">
<emphasis id="43CCEAE9FFE92E3E7598FB76FE98FB4B" bold="true" box="[201,337,1231,1256]" inLineHeading="true" pageId="15" pageNumber="16" reason="1">Comments.</emphasis>
Frey’s (1973) publication was a pioneering efftort in the
<emphasis id="43CCEAE9FFE92E3E7685FB69FB06FB4B" box="[980,1231,1232,1256]" italics="true" pageId="15" pageNumber="16">
revision of
<taxonomicName id="B6B84D78FFE92E3E7100FB68FB06FB4B" authorityName="Baird" authorityYear="1843" box="[1105,1231,1233,1256]" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="15" pageNumber="16" phylum="Arthropoda" rank="genus">Eurycercus</taxonomicName>
</emphasis>
. After description of several closely related species it is necessary to improve the diagnosis of
<taxonomicName id="B6B84D78FFE92E3E7145FB4CFB1CFAAF" authorityName="Frey" authorityYear="1973" box="[1044,1237,1268,1292]" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="macracanthus">
<emphasis id="43CCEAE9FFE92E3E7145FB4CFB1CFAAF" box="[1044,1237,1268,1292]" italics="true" pageId="15" pageNumber="16">E. macracanthus</emphasis>
</taxonomicName>
keeping in mind newly discovered characters discriminating this taxon from its congeners.
</paragraph>
</subSubSection>
<subSubSection id="39A26570FFE92E3E7598FA82FAD9FA3C" pageId="15" pageNumber="16" type="distribution">
<paragraph id="710736FBFFE92E3E7598FA82FAD9FA3C" blockId="15.[151,1437,151,1620]" pageId="15" pageNumber="16">
<emphasis id="43CCEAE9FFE92E3E7598FA82FEABFAF7" bold="true" box="[201,354,1339,1364]" inLineHeading="true" pageId="15" pageNumber="16" reason="1">Distribution.</emphasis>
The taxon was regarded as an endemic of the
<collectingRegion id="B37CF819FFE92E3E762BFA85FC72FAF7" box="[890,955,1340,1364]" country="Russia" name="Amur" pageId="15" pageNumber="16">Amur</collectingRegion>
basin (Frey 1973). Now it is obvious that this species is widely distributed in the northern Palaearctic from Far East to the Volga River basin in European
<collectingCountry id="09AF766BFFE92E3E75C6FA3FFF2CFA3D" box="[151,229,1414,1438]" name="Russia" pageId="15" pageNumber="16">Russia</collectingCountry>
. In the
<collectingRegion id="B37CF819FFE92E3E7466FA3FFEB1FA3D" box="[311,376,1414,1438]" country="Russia" name="Amur" pageId="15" pageNumber="16">Amur</collectingRegion>
and the Lena basins
<taxonomicName id="B6B84D78FFE92E3E7735FA3EFCEBFA3D" authorityName="Frey" authorityYear="1973" box="[612,802,1414,1438]" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="macracanthus">
<emphasis id="43CCEAE9FFE92E3E7735FA3EFCEBFA3D" box="[612,802,1414,1438]" italics="true" pageId="15" pageNumber="16">E. macracanthus</emphasis>
</taxonomicName>
is the most common species of
<taxonomicName id="B6B84D78FFE92E3E71D9FA3EFAC1FA3D" authorityName="Baird" authorityYear="1843" box="[1160,1288,1415,1438]" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="15" pageNumber="16" phylum="Arthropoda" rank="genus">
<emphasis id="43CCEAE9FFE92E3E71D9FA3EFAC1FA3D" box="[1160,1288,1415,1438]" italics="true" pageId="15" pageNumber="16">Eurycercus</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="39A26570FFE92E3E7598FA15FE61F9F7" pageId="15" pageNumber="16" type="biology_ecology">
<paragraph id="710736FBFFE92E3E7598FA15FE61F9F7" blockId="15.[151,1437,151,1620]" pageId="15" pageNumber="16">
<emphasis id="43CCEAE9FFE92E3E7598FA15FEE4FA67" bold="true" box="[201,301,1452,1476]" inLineHeading="true" pageId="15" pageNumber="16" reason="1">Ecology.</emphasis>
After our study, it is obvious that
<taxonomicName id="B6B84D78FFE92E3E77EEFA14FC49FA67" authorityName="Frey" authorityYear="1973" box="[703,896,1452,1476]" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="macracanthus">
<emphasis id="43CCEAE9FFE92E3E77EEFA14FC49FA67" box="[703,896,1452,1476]" italics="true" pageId="15" pageNumber="16">E. macracanthus</emphasis>
</taxonomicName>
occurs in water bodies of very different
<typeStatus id="AE038859FFE92E3E700BFA15FA51FA67" box="[1370,1432,1452,1476]" pageId="15" pageNumber="16">types</typeStatus>
, from small puddles and shallow swamps to large lakes and artificial reservoirs. The most common habitat in Siberia is an oxbow lake of any size. We think that it occurs in small temporary pools only if they are partly dried remains of larger water bodies formed during spring flooding.
<taxonomicName id="B6B84D78FFE92E3E7603F9A0FBC6F993" authorityName="Frey" authorityYear="1973" box="[850,1039,1560,1584]" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="macracanthus">
<emphasis id="43CCEAE9FFE92E3E7603F9A0FBC6F993" box="[850,1039,1560,1584]" italics="true" pageId="15" pageNumber="16">E. macracanthus</emphasis>
</taxonomicName>
is found in the macrophyte patches in the rivers themselves.
</paragraph>
</subSubSection>
</treatment>
</document>
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