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<mods:title id="7BF7F3CF88D65A48F7F653B4CF65F6B3">Re-evaluation of the genus Biapertura Smirnov, 1971 (Cladocera: Anomopoda Chydoridae)</mods:title>
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<treatment id="03B287B6FFFDFF9DBDB5FF16FE4EAFEF" ID-DOI="http://doi.org/10.5281/zenodo.4331303" ID-GBIF-Taxon="170719273" ID-Zenodo-Dep="4331303" LSID="urn:lsid:plazi:treatment:03B287B6FFFDFF9DBDB5FF16FE4EAFEF" httpUri="http://treatment.plazi.org/id/03B287B6FFFDFF9DBDB5FF16FE4EAFEF" lastPageId="9" lastPageNumber="310" pageId="5" pageNumber="306">
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<taxonomicName id="4C1B4D23FFFDFF91BDB5FF16FDC0A894" authority="(Leydig, 1860)" baseAuthorityName="Leydig" baseAuthorityYear="1860" box="[151,555,186,213]" class="Branchiopoda" family="Chydoridae" genus="Biapertura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="species" species="affinis">
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<emphasis id="B96FEAB2FFFDFF91BDB5FF16FE9AA894" bold="true" box="[151,369,186,213]" italics="true" pageId="5" pageNumber="306">Biapertura affinis</emphasis>
(
<bibRefCitation id="EF8A4B51FFFDFF91BCA2FF17FDC9A894" author="Leydig, F." box="[384,546,186,212]" pageId="5" pageNumber="306" refId="ref19885" refString="Leydig, F. (1860) Naturgeschichte der Daphniden. H. Lauppsche Buchhandlung, Laupp &amp; Siebeck, Tubingen, 252 pp." type="book" year="1860">Leydig, 1860</bibRefCitation>
)
</emphasis>
</taxonomicName>
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<paragraph id="8BA436A0FFFDFF91BDB5FF52FC56AA4D" blockId="5.[151,1437,255,525]" pageId="5" pageNumber="306">
<bibRefCitation id="EF8A4B51FFFDFF91BDB5FF52FEBCA957" author="Baird, W." box="[151,343,255,279]" pageId="5" pageNumber="306" pagination="81 - 95" refId="ref18940" refString="Baird, W. (1843) The natural history of the British Entomostraca. VI. The Annals and Magazine of Natural History, Series 1, 11 (68), 81 - 95. https: // doi. org / 10.1080 / 03745484309445268" type="journal article" year="1843">Baird 1843: 9293</bibRefCitation>
, Pl. 3:
<figureCitation id="13202A25FFFDFF91BCBCFF52FE15A957" box="[414,510,255,279]" captionStart-0="FIGURE 9" captionStart-1="FIGURE 10" captionStart-2="FIGURE 11" captionStartId-0="14.[151,250,1846,1870]" captionStartId-1="15.[151,250,1683,1707]" captionStartId-2="18.[151,250,1882,1906]" captionTargetBox-0="[164,1422,349,1816]" captionTargetBox-1="[153,1415,202,1654]" captionTargetBox-2="[154,1436,389,1848]" captionTargetId-0="figure-125@14.[151,1436,345,1823]" captionTargetId-1="figure-15@15.[151,1436,181,1659]" captionTargetId-2="figure-122@18.[151,1436,381,1859]" captionTargetPageId-0="14" captionTargetPageId-1="15" captionTargetPageId-2="18" captionText-0="FIGURE 9. Biapertura kendallensis (Henry, 1919) from near Ryans II Billabong, Bonegilla, east of Wodonga, Victoria, Australia. AH parthenogenetic female. AB, labrum. CD. postabdomens. E, postanal margin of postabdomen. F, postabdominal claw. G, antennule. H, antenna. I, postabdomen of juvenile male of instar I. JL, juvenile male of instar II. J, postabdomen. K, postabdominal claw. L, antennule. MP, adult male. M, postabdomen. N, postanal margin of postabdomen. O, postabdominal claw. P, antennule." captionText-1="FIGURE 10. Biapertura kendallensis (Henry, 1919) from near Ryans II Billabong, Bonegilla, east of Wodonga, Victoria, Australia. AL, thoracic limbs of adult parthenogenetic female. A, limb I. B, IDL and ODL of limb I. C, inner setae of endites 12 of limb I. D, limb II. E, exopodite of limb III. FG, inner and outer parts of inner portion of limb III (gnathobase filter plate not shown). H, exopodite of limb IV. I, inner portion of limb IV. JK, limb V and its gnathobase filter plate. L, limb VI. M, anlage of copulatory hook and IDL of thoracic limb I of juvenile male of instar I male. N, anlage of copulatory hook and IDL of thoracic limb I of juvenile male of instar II male. OQ thoracic limb I of adult male. O, general view. P, copulatory brush and endite 3 (setae ab not shown); Q, copulatory hook and IDL." captionText-2="FIGURE 11. Biapertura elliptica (Sinev, 1997) from pool near Lake Albina, Kosciuszko National Park, New South Wales, Australia (type locality). AB, juvenile females of instar I and II. CP, adult parthenogenetic female. C, lateral view. D, ventral margin of valves. EF, posteroventral angle of valves. GH, head shield. I, head pores. JK, labral keel. LM, postabdomen. N, postanal margin of postabdomen. O, postabdominal claw. P, antenna." figureDoi-0="http://doi.org/10.5281/zenodo.4296645" figureDoi-1="http://doi.org/10.5281/zenodo.4296647" figureDoi-2="http://doi.org/10.5281/zenodo.4296649" httpUri-0="https://zenodo.org/record/4296645/files/figure.png" httpUri-1="https://zenodo.org/record/4296647/files/figure.png" httpUri-2="https://zenodo.org/record/4296649/files/figure.png" pageId="5" pageNumber="306">Fig. 911</figureCitation>
(
<taxonomicName id="4C1B4D23FFFDFF91BF2FFF52FD05A957" ID-CoL="C4NM" baseAuthorityName="O. F. Müller" baseAuthorityYear="1776" box="[525,750,255,279]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="species" species="quadrangularis">
<emphasis id="B96FEAB2FFFDFF91BF2FFF52FD05A957" box="[525,750,255,279]" italics="true" pageId="5" pageNumber="306">Alona quadrangularis</emphasis>
</taxonomicName>
);
<bibRefCitation id="EF8A4B51FFFDFF91BE21FF52FC43A957" author="Lievin, F." box="[771,936,255,279]" pageId="5" pageNumber="306" pagination="1 - 52" refId="ref19910" refString="Lievin, F. (1848) Die Branchiopoda der Danziger Geden, ein Beitragzur Fauna der Provinz Preussen. Neueste Schriften der Naturforschenden Gesellschaft in Danzig, 2 (4), 1 - 52." type="journal article" year="1848">Liévin 1848: 40</bibRefCitation>
, Pl. 10:
<figureCitation id="13202A25FFFDFF91BED9FF52FBA4A957" box="[1019,1103,255,279]" captionStart-0="FIGURE 6" captionStart-1="FIGURE 7" captionStartId-0="11.[151,250,1774,1798]" captionStartId-1="12.[151,250,1905,1929]" captionTargetBox-0="[163,1416,289,1750]" captionTargetBox-1="[151,1436,181,1882]" captionTargetId-0="figure-67@11.[151,1436,273,1751]" captionTargetId-1="figure-31@12.[151,1436,181,1882]" captionTargetPageId-0="11" captionTargetPageId-1="12" captionText-0="FIGURE 6. Biapertura kendallensis (Henry, 1919) from Ryans II Billabong, Bonegilla, east of Wodonga, Victoria, Australia. AB, juvenile females of instar I and II. CK, adult parthenogenetic female. C, lateral view. D, ventral margin of valves. E, setae of anterior group. F, setae of posterior group. G, posterior margin of valves. H, posteroventral angle of valves. IJ, head shields. K, head pores. L, ephippial female. MN, juvenile males of instar I and II. O, adult male." captionText-1="FIGURE 7 Biapertura kendallensis (Henry, 1919) from near Ryans II Billabong, Bonegilla, east of Wodonga, Victoria,Australia. A, juvenile female of instar I. BI, adult parthenogenetic female. B, lateral view. CD, same specimen in lateral and dorsolateral view. E, anterior portion of ventral margin of valves. F, head pores. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw." figureDoi-0="http://doi.org/10.5281/zenodo.4296639" figureDoi-1="http://doi.org/10.5281/zenodo.4296641" httpUri-0="https://zenodo.org/record/4296639/files/figure.png" httpUri-1="https://zenodo.org/record/4296641/files/figure.png" pageId="5" pageNumber="306">Fig. 67</figureCitation>
(
<taxonomicName id="4C1B4D23FFFDFF91B97CFF52FAD4A957" ID-CoL="C4NM" baseAuthorityName="O. F. Müller" baseAuthorityYear="1776" box="[1118,1343,255,279]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="species" species="quadrangularis">
<emphasis id="B96FEAB2FFFDFF91B97CFF52FAD4A957" box="[1118,1343,255,279]" italics="true" pageId="5" pageNumber="306">Alona quadrangularis</emphasis>
</taxonomicName>
);
<bibRefCitation id="EF8A4B51FFFDFF91B876FF52FED9A976" author="Leydig, F." pageId="5" pageNumber="306" refId="ref19885" refString="Leydig, F. (1860) Naturgeschichte der Daphniden. H. Lauppsche Buchhandlung, Laupp &amp; Siebeck, Tubingen, 252 pp." type="book" year="1860">Leydig 1860: 233</bibRefCitation>
, Pl. 9: Fig. 6869 (
<taxonomicName id="4C1B4D23FFFDFF91BF20FEB2FDBFA976" baseAuthorityName="J. C. Fabricius" baseAuthorityYear="1775" box="[514,596,287,310]" class="Branchiopoda" family="Chydoridae" genus="Lynceus" higherTaxonomySource="CoL" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEAB2FFFDFF91BF20FEB2FDBFA976" box="[514,596,287,310]" italics="true" pageId="5" pageNumber="306">Lynceus</emphasis>
</taxonomicName>
); Sсhödler 1863: 1819, Pl. 1:
<figureCitation id="13202A25FFFDFF91BE80FEB3FC01A976" box="[930,1002,286,310]" captionStart="FIGURE 17" captionStartId="27.[151,250,1537,1561]" captionTargetBox="[159,1435,184,1488]" captionTargetId="figure-15@27.[151,1436,181,1513]" captionTargetPageId="27" captionText="FIGURE 17. Biapertura sibirica (Sinev, Karabanov &amp; Kotov, 2020). AJ, adult parthenogenetic female. A, lateral view. BD, posteroventral angle of valves. E, head pores. F, postabdomen. G, postanal margin of postabdomen. H, postabdominal claw. I, antenna. J, IDL of thoracic limb I. KN, adult male. K, lateral view. L, postabdomen. M, distal portion of postabdomen. N, copulatory hook and IDL of thoiracic limb I. (After Sinev et al. 2020.)" figureDoi="http://doi.org/10.5281/zenodo.4296663" httpUri="https://zenodo.org/record/4296663/files/figure.png" pageId="5" pageNumber="306">Fig. 17</figureCitation>
22 (
<taxonomicName id="4C1B4D23FFFDFF91B901FEB3FB28A976" ID-CoL="C4PL" authority="Schödler, 1862" box="[1059,1219,286,310]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="species" species="spinifera">
<emphasis id="B96FEAB2FFFDFF91B901FEB3FB28A976" box="[1059,1219,286,310]" italics="true" pageId="5" pageNumber="306">Alona spinifera</emphasis>
</taxonomicName>
); P. E.
<bibRefCitation id="EF8A4B51FFFDFF91B837FEB3FEC9A914" author="Muller, P. E." pageId="5" pageNumber="306" pagination="53 - 240" refId="ref20017" refString="Muller, P. E. (1867) Danmarks Cladocera. Naturhistorisk Tidskrift, Koebenhavn, 3 (5), 53 - 240." type="journal article" year="1867">Müller 1867: 175176</bibRefCitation>
, Pl. 3: Fig. 2223, Pl. 4:
<figureCitation id="13202A25FFFDFF91BF3EFE91FD9BA915" box="[540,624,316,341]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStartId-0="4.[151,250,1756,1780]" captionStartId-1="6.[151,250,1932,1956]" captionTargetBox-0="[158,1423,186,1709]" captionTargetBox-1="[151,1436,308,1908]" captionTargetId-0="figure-31@4.[147,1439,181,1732]" captionTargetId-1="figure-89@6.[151,1436,308,1908]" captionTargetPageId-0="4" captionTargetPageId-1="6" captionText-0="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" captionText-1="FIGURE 2. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AB, lateral view. C, dorsolateral view. D, dorsal view. E, ventral view. F, frontal view. G, ventral part of valve. H, postabdomen. I, postabdominal claw. J, antenna." figureDoi-0="http://doi.org/10.5281/zenodo.4296627" figureDoi-1="http://doi.org/10.5281/zenodo.4296629" httpUri-0="https://zenodo.org/record/4296627/files/figure.png" httpUri-1="https://zenodo.org/record/4296629/files/figure.png" pageId="5" pageNumber="306">Fig. 12</figureCitation>
(
<taxonomicName id="4C1B4D23FFFDFF91BF5CFE91FCF8A914" ID-CoL="C4MW" authority="P.E.Müller, 1867" box="[638,787,316,340]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="species" species="oblonga">
<emphasis id="B96FEAB2FFFDFF91BF5CFE91FCF8A914" box="[638,787,316,340]" italics="true" pageId="5" pageNumber="306">Alona oblonga</emphasis>
</taxonomicName>
);
<bibRefCitation id="EF8A4B51FFFDFF91BE0BFE91FBCEA914" author="Stingelin, T." box="[809,1061,316,340]" pageId="5" pageNumber="306" pagination="161 - 274" refId="ref21848" refString="Stingelin, T. (1895) Die Cladoceren der Umgebung von Basel. Revue Suisse de Zoologie, 3, 161 - 274. https: // doi. org / 10.5962 / bhl. title. 53708" type="journal article" year="1895">Stingelin 1895: 244246</bibRefCitation>
, Pl. 7: Fig. 3233 (
<taxonomicName id="4C1B4D23FFFDFF91B9C7FE91FAC9A914" ID-CoL="SSX" baseAuthorityName="Sinev" baseAuthorityYear="2013" box="[1253,1314,316,340]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEAB2FFFDFF91B9C7FE91FAC9A914" box="[1253,1314,316,340]" italics="true" pageId="5" pageNumber="306">Alona</emphasis>
</taxonomicName>
);
<bibRefCitation id="EF8A4B51FFFDFF91B815FE91FE89A933" author="Lilljeborg, W." pageId="5" pageNumber="306" pagination="1 - 701" refId="ref19947" refString="Lilljeborg, W. (1901) Cladocera Sueciae. Nova acta regiae societatis scientatis scientiarum upsaliensis, Seriei Tertiae, 19, 1 - 701." type="journal article" year="1901">Lilljeborg 1901: 454461</bibRefCitation>
, Pl. 66: Fig. 1821, Pl. 67,
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Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" captionText-1="FIGURE 2. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AB, lateral view. C, dorsolateral view. D, dorsal view. E, ventral view. F, frontal view. G, ventral part of valve. H, postabdomen. I, postabdominal claw. J, antenna." captionText-10="FIGURE 11. Biapertura elliptica (Sinev, 1997) from pool near Lake Albina, Kosciuszko National Park, New South Wales, Australia (type locality). AB, juvenile females of instar I and II. CP, adult parthenogenetic female. C, lateral view. D, ventral margin of valves. EF, posteroventral angle of valves. GH, head shield. I, head pores. JK, labral keel. LM, postabdomen. N, postanal margin of postabdomen. O, postabdominal claw. P, antenna." captionText-11="FIGURE 12. Biapertura elliptica (Sinev, 1997) from pool near Lake Albina, Kosciuszko National Park, New South Wales, Australia (type locality). AI, adult parthenogenetic female. AB, lateral view. C, ventrolateral view. D, dorsal view. EF, head pores. G, dorsal pores. H, postabdomen. I, postabdominal claw and distal portion of postabdomen." captionText-12="FIGURE 13. Biapertura elliptica (Sinev, 1997) from pool near Lake Albina, Kosciuszko National Park, New South Wales, Australia (type locality). AD, adult parthenogenetic female. A, posteroventral angle of valves. BC, antenna. D, thoracic limbs." captionText-13="FIGURE 14. Biapertura elliptica (Sinev, 1997) from pool near Lake Albina, Kosciuszko National Park, New South Wales, Australia (type locality). AL, adult parthenogenetic female. A, antennule. BL, thoracic limbs. B, limb I. С, IDL and ODL of limb I. В. inner setae of endites 12 of limb I. E, limb II. F, exopodite of limb III. G, distal endite of inner portion of limb III. H, exopodite of limb IV. I, inner portion of limb IV. JK, limb V and its gnathobase filter plate. L, limb VI." captionText-14="FIGURE 15. Biapertura martensi (Sinev, 2009). AF, adult parthenogenetic female. A, lateral view. B, posteroventral angle of valves. C, head pores. D, postabdomen. E, antenna. F, IDL of thoracic limb. Biapertura lepida (Birge, 1892). GN, adult parthenogenetic female. G, lateral view. H, posteroventral angle of valves. I, head pores. J, postabdomen. K, postanal margin of postabdomen. L, postabdominal claw. M, antenna. N, IDL of thoracic limb I. (AF, after Sinev, 2009; GN, after Sinev, 2013)." captionText-15="FIGURE 16. Biapertura ossiani herricki (Sinev, 2013).AI, adult parthenogenetic female.A, lateral view. BC, posteroventral angle of valves. D, head pores. E, postabdomen. F, postanal margin of postabdomen. G, postabdominal claw. H, antenna. I, IDL of thoracic limb. J, ephippial female. KM, adult male. K, lateral view. L, postabdomen. M, copulatory hook and IDL of thoracic limb I. Biapertura ossiani ossiani (Sinev 1998). NO, adult male. N, lateral view. O, postabdomen. (AM, after Sinev, 2013; NO, after Sinev, 1998)." captionText-16="FIGURE 17. Biapertura sibirica (Sinev, Karabanov &amp; Kotov, 2020). AJ, adult parthenogenetic female. A, lateral view. BD, posteroventral angle of valves. E, head pores. F, postabdomen. G, postanal margin of postabdomen. H, postabdominal claw. I, antenna. J, IDL of thoracic limb I. KN, adult male. K, lateral view. L, postabdomen. M, distal portion of postabdomen. N, copulatory hook and IDL of thoiracic limb I. (After Sinev et al. 2020.)" captionText-2="FIGURE 3. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia, parthenogenetic female.AB, head pores. CE, posterior dorsal pores." captionText-3="FIGURE 4. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AL, thoracic limbs of adult parthenogenetic female. A, limb I. B, IDL and ODL of limb I. C. inner setae of endites 12 of limb I. D, limb II. E, exopodite of limb III. FG, inner and outer parts of inner portion of limb III. H, exopodite of limb IV. I, inner portion of limb IV. JK, limb V and its gnathobase filter plate. L, limb VI. M, copulatory hook and IDL of thoracic limb I of adult male. (AL, orig.; M, after Sinev et al., 2020)" captionText-4="FIGURE 5. Biapertura affinis (Leydig, 1860) from Klein Vaal River, Transvaal Province, Republic of South Africa, adult male. A, lateral view. B, postabdomen. C, distal portion of postabdomen. D, antennule. E, copulatory hook of thoracic limb I. F, IDL of thoracic limb I." captionText-5="FIGURE 6. Biapertura kendallensis (Henry, 1919) from Ryans II Billabong, Bonegilla, east of Wodonga, Victoria, Australia. AB, juvenile females of instar I and II. CK, adult parthenogenetic female. C, lateral view. D, ventral margin of valves. E, setae of anterior group. F, setae of posterior group. G, posterior margin of valves. H, posteroventral angle of valves. IJ, head shields. K, head pores. L, ephippial female. MN, juvenile males of instar I and II. O, adult male." captionText-6="FIGURE 7 Biapertura kendallensis (Henry, 1919) from near Ryans II Billabong, Bonegilla, east of Wodonga, Victoria,Australia. A, juvenile female of instar I. BI, adult parthenogenetic female. B, lateral view. CD, same specimen in lateral and dorsolateral view. E, anterior portion of ventral margin of valves. F, head pores. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw." captionText-7="FIGURE 8. Biapertura kendallensis (Henry, 1919) from near Ryans II Billabong, Bonegilla, east of Wodonga, Victoria, Australia.AB, antenna of adult female. CF, ephippial female. CD, same specimen in lateral and dorsolateral view. E, ephippium. F, head pores." captionText-8="FIGURE 9. Biapertura kendallensis (Henry, 1919) from near Ryans II Billabong, Bonegilla, east of Wodonga, Victoria, Australia. AH parthenogenetic female. AB, labrum. CD. postabdomens. E, postanal margin of postabdomen. F, postabdominal claw. G, antennule. H, antenna. I, postabdomen of juvenile male of instar I. JL, juvenile male of instar II. J, postabdomen. K, postabdominal claw. L, antennule. MP, adult male. M, postabdomen. N, postanal margin of postabdomen. O, postabdominal claw. P, antennule." captionText-9="FIGURE 10. Biapertura kendallensis (Henry, 1919) from near Ryans II Billabong, Bonegilla, east of Wodonga, Victoria, Australia. AL, thoracic limbs of adult parthenogenetic female. A, limb I. B, IDL and ODL of limb I. C, inner setae of endites 12 of limb I. D, limb II. E, exopodite of limb III. FG, inner and outer parts of inner portion of limb III (gnathobase filter plate not shown). H, exopodite of limb IV. I, inner portion of limb IV. JK, limb V and its gnathobase filter plate. L, limb VI. M, anlage of copulatory hook and IDL of thoracic limb I of juvenile male of instar I male. N, anlage of copulatory hook and IDL of thoracic limb I of juvenile male of instar II male. OQ thoracic limb I of adult male. O, general view. P, copulatory brush and endite 3 (setae ab not shown); Q, copulatory hook and IDL." figureDoi-0="http://doi.org/10.5281/zenodo.4296627" figureDoi-1="http://doi.org/10.5281/zenodo.4296629" figureDoi-10="http://doi.org/10.5281/zenodo.4296649" figureDoi-11="http://doi.org/10.5281/zenodo.4296651" figureDoi-12="http://doi.org/10.5281/zenodo.4296655" figureDoi-13="http://doi.org/10.5281/zenodo.4296657" figureDoi-14="http://doi.org/10.5281/zenodo.4296659" figureDoi-15="http://doi.org/10.5281/zenodo.4296661" figureDoi-16="http://doi.org/10.5281/zenodo.4296663" figureDoi-2="http://doi.org/10.5281/zenodo.4296631" figureDoi-3="http://doi.org/10.5281/zenodo.4296633" figureDoi-4="http://doi.org/10.5281/zenodo.4296635" figureDoi-5="http://doi.org/10.5281/zenodo.4296639" figureDoi-6="http://doi.org/10.5281/zenodo.4296641" figureDoi-7="http://doi.org/10.5281/zenodo.4296643" figureDoi-8="http://doi.org/10.5281/zenodo.4296645" figureDoi-9="http://doi.org/10.5281/zenodo.4296647" httpUri-0="https://zenodo.org/record/4296627/files/figure.png" httpUri-1="https://zenodo.org/record/4296629/files/figure.png" httpUri-10="https://zenodo.org/record/4296649/files/figure.png" httpUri-11="https://zenodo.org/record/4296651/files/figure.png" httpUri-12="https://zenodo.org/record/4296655/files/figure.png" httpUri-13="https://zenodo.org/record/4296657/files/figure.png" httpUri-14="https://zenodo.org/record/4296659/files/figure.png" httpUri-15="https://zenodo.org/record/4296661/files/figure.png" httpUri-16="https://zenodo.org/record/4296663/files/figure.png" httpUri-2="https://zenodo.org/record/4296631/files/figure.png" httpUri-3="https://zenodo.org/record/4296633/files/figure.png" httpUri-4="https://zenodo.org/record/4296635/files/figure.png" httpUri-5="https://zenodo.org/record/4296639/files/figure.png" httpUri-6="https://zenodo.org/record/4296641/files/figure.png" httpUri-7="https://zenodo.org/record/4296643/files/figure.png" httpUri-8="https://zenodo.org/record/4296645/files/figure.png" httpUri-9="https://zenodo.org/record/4296647/files/figure.png" pageId="5" pageNumber="306">Fig. 117</figureCitation>
(
<taxonomicName id="4C1B4D23FFFDFF91BFFEFEF1FCC5A933" baseAuthorityName="J. C. Fabricius" baseAuthorityYear="1775" box="[732,814,348,371]" class="Branchiopoda" family="Chydoridae" genus="Lynceus" higherTaxonomySource="CoL" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEAB2FFFDFF91BFFEFEF1FCC5A933" box="[732,814,348,371]" italics="true" pageId="5" pageNumber="306">Lynceus</emphasis>
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<bibRefCitation id="EF8A4B51FFFDFF91BE60FEF6FBD6A933" author="Stingelin, T." box="[834,1085,347,371]" pageId="5" pageNumber="306" pagination="317 - 387" refId="ref21887" refString="Stingelin, T. (1906) Neue Beitragezur Kenntnis der Cladocerenfauna der Schweiz. Revue Suisse de Zoologie, 14, 317 - 387. https: // doi. org / 10.5962 / bhl. part. 8298" type="journal article" year="1906">Stingelin 1906: 324325</bibRefCitation>
, Pl. 13: Fig. 18 (
<taxonomicName id="4C1B4D23FFFDFF91B9C3FEF6FAF5A933" ID-CoL="SSX" baseAuthorityName="Sinev" baseAuthorityYear="2013" box="[1249,1310,347,371]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEAB2FFFDFF91B9C3FEF6FAF5A933" box="[1249,1310,347,371]" italics="true" pageId="5" pageNumber="306">Alona</emphasis>
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<bibRefCitation id="EF8A4B51FFFDFF91B810FEF6FEC9A9D2" author="Sars, G. O." pageId="5" pageNumber="306" pagination="303 - 351" refId="ref20154" refString="Sars, G. O. (1916) The fresh-water Entomostraca of the Cape Province (Union of South Africa). Part 1: Cladocera. Annals of the South African Museum, 15, 303 - 351. https: // doi. org / 10.5962 / bhl. part. 22197" type="journal article" year="1916">Sars 1916: 221223</bibRefCitation>
, Pl. 34,
<figureCitation id="13202A25FFFDFF91BC56FED7FE3FA9D2" box="[372,468,378,402]" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="5" pageNumber="306">Fig. 11a</figureCitation>
(
<taxonomicName id="4C1B4D23FFFDFF91BCC1FED7FDCBA9D2" ID-CoL="SSX" baseAuthorityName="Sinev" baseAuthorityYear="2013" box="[483,544,378,402]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEAB2FFFDFF91BCC1FED7FDCBA9D2" box="[483,544,378,402]" italics="true" pageId="5" pageNumber="306">Alona</emphasis>
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<bibRefCitation id="EF8A4B51FFFDFF91BF17FED7FCC7A9D2" author="Behning, A. L." box="[565,812,378,402]" pageId="5" pageNumber="306" refId="ref18987" refString="Behning, A. L. (1941) The Cladocerans of the Caucasus. Gruzmedgiz Publishing, Tbilisi, 384 pp. [in Russian]" type="book" year="1941">Behning 1941: 312315</bibRefCitation>
, Fig. 129 (
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<bibRefCitation id="EF8A4B51FFFDFF91BECEFED7FB7AA9D2" author="Herbst, H. V." box="[1004,1169,378,402]" pageId="5" pageNumber="306" refId="ref19528" refString="Herbst, H. V. (1962) Blattfusskrebse (Phyllopoden: EchteBlattfusser und Wasserflohe). Kosmos, Stuttgart, 130 pp." type="book" year="1962">Herbst 1962: 89</bibRefCitation>
, Fig. 69 (
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<bibRefCitation id="EF8A4B51FFFDFF91B867FED7FE89A9F0" author="Smirnov, N. N." pageId="5" pageNumber="306" pagination="1 - 531" refId="ref21612" refString="Smirnov, N. N. (1971) Chydoridae of the world fauna. Fauna SSSR. Rakoobraznie, 1 (2), 1 - 531. [in Russian]" type="journal article" year="1971">Smirnov 1971: 467474</bibRefCitation>
, Fig. 582588, 590;
<bibRefCitation id="EF8A4B51FFFDFF91BF13FE35FCC3A9F1" author="Flossner, D." box="[561,808,408,433]" pageId="5" pageNumber="306" refId="ref19305" refString="Flossner, D. (1972) Krebstiere, Crustacea (Kiemen- und Blattfusser, Branchiopoda, Fischlause, Branchiura). In: Die Tierwelt Deutschlands. Vol. 60. VEB Gustav Fischer Verlag, Jena, pp. 1 - 499." type="book" year="1972">Flössner 1972: 318321</bibRefCitation>
, Pl. 151(
<taxonomicName id="4C1B4D23FFFDFF91BEA3FE35FC55A9F0" ID-CoL="SSX" baseAuthorityName="Sinev" baseAuthorityYear="2013" box="[897,958,408,432]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEAB2FFFDFF91BEA3FE35FC55A9F0" box="[897,958,408,432]" italics="true" pageId="5" pageNumber="306">Alona</emphasis>
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<bibRefCitation id="EF8A4B51FFFDFF91BEF1FE34FB56A9F0" author="Negrea, S." box="[979,1213,408,433]" pageId="5" pageNumber="306" pagination="1 - 399" refId="ref20043" refString="Negrea, S. (1983) Cladocera. Fauna Republicii Socialiste Romania, Bucuresti, Crustacea, 4 (12), 1 - 399." type="journal article" year="1983">Negrea 1983: 325329</bibRefCitation>
, Fig. 133AP;
<bibRefCitation id="EF8A4B51FFFDFF91B871FE35FE88A98F" author="Alonso, M." pageId="5" pageNumber="306" pagination="1 - 486" refId="ref18831" refString="Alonso, M. (1996) Crustacea, Branchiopoda. In: Ramos, M. (Ed.), Fauna Iberica. Museo Nacional de Ciencias Naturales. Consejo Superior de Investigaciones Cientificas, Madrid, 7, pp. 1 - 486." type="journal article" year="1996">Alonso 1996: 345346</bibRefCitation>
, Fig. 154AS (
<taxonomicName id="4C1B4D23FFFDFF91BF22FE1AFDD6A98F" ID-CoL="SSX" baseAuthorityName="Sinev" baseAuthorityYear="2013" box="[512,573,439,463]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEAB2FFFDFF91BF22FE1AFDD6A98F" box="[512,573,439,463]" italics="true" pageId="5" pageNumber="306">Alona</emphasis>
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<bibRefCitation id="EF8A4B51FFFDFF91BF71FE1AFCFCA98F" author="Sinev, A. Y." box="[595,791,439,463]" pageId="5" pageNumber="306" pagination="47 - 58" refId="ref20274" refString="Sinev, A. Y. (1997) Review of the affinis- group of Alona Baird, 1843, with the description of a new species from Australia (Anomopoda: Chydoridae). Arthropoda Selecta, 6 (3 - 4), 47 - 58." type="journal article" year="1997">Sinev 1997: 4755</bibRefCitation>
,
<figureCitation id="13202A25FFFDFF91BE00FE1AFC93A98F" box="[802,888,439,463]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStartId-0="4.[151,250,1756,1780]" captionStartId-1="6.[151,250,1932,1956]" captionStartId-2="7.[151,250,878,902]" captionTargetBox-0="[158,1423,186,1709]" captionTargetBox-1="[151,1436,308,1908]" captionTargetBox-2="[151,1436,201,855]" captionTargetId-0="figure-31@4.[147,1439,181,1732]" captionTargetId-1="figure-89@6.[151,1436,308,1908]" captionTargetId-2="figure-15@7.[151,1436,201,855]" captionTargetPageId-0="4" captionTargetPageId-1="6" captionTargetPageId-2="7" captionText-0="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" captionText-1="FIGURE 2. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AB, lateral view. C, dorsolateral view. D, dorsal view. E, ventral view. F, frontal view. G, ventral part of valve. H, postabdomen. I, postabdominal claw. J, antenna." captionText-2="FIGURE 3. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia, parthenogenetic female.AB, head pores. CE, posterior dorsal pores." figureDoi-0="http://doi.org/10.5281/zenodo.4296627" figureDoi-1="http://doi.org/10.5281/zenodo.4296629" figureDoi-2="http://doi.org/10.5281/zenodo.4296631" httpUri-0="https://zenodo.org/record/4296627/files/figure.png" httpUri-1="https://zenodo.org/record/4296629/files/figure.png" httpUri-2="https://zenodo.org/record/4296631/files/figure.png" pageId="5" pageNumber="306">Fig. 13</figureCitation>
(
<taxonomicName id="4C1B4D23FFFDFF91BEA5FE1AFC2FA98F" ID-CoL="SSX" baseAuthorityName="Sinev" baseAuthorityYear="2013" box="[903,964,439,463]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEAB2FFFDFF91BEA5FE1AFC2FA98F" box="[903,964,439,463]" italics="true" pageId="5" pageNumber="306">Alona</emphasis>
</taxonomicName>
);
<bibRefCitation id="EF8A4B51FFFDFF91BEF8FE1AFB9CA98F" author="Sinev, A. Y." box="[986,1143,439,463]" pageId="5" pageNumber="306" pagination="103 - 110" refId="ref20323" refString="Sinev, A. Y. (1998) Alona ossiani sp. n., a new species of the Alona affinis complex from Brasil, deriving from the collection of G. O. Sars (Anomopoda: Chydoridae). Arthropoda Selecta, 7 (2), 103 - 110." type="journal article" year="1998">Sinev 1998: 58</bibRefCitation>
,
<figureCitation id="13202A25FFFDFF91B9A1FE1AFB54A98F" box="[1155,1215,439,463]" captionStart="FIGURE 5" captionStartId="9.[151,250,1330,1354]" captionTargetBox="[180,1400,614,1260]" captionTargetId="figure-198@9.[151,1436,597,1307]" captionTargetPageId="9" captionText="FIGURE 5. Biapertura affinis (Leydig, 1860) from Klein Vaal River, Transvaal Province, Republic of South Africa, adult male. A, lateral view. B, postabdomen. C, distal portion of postabdomen. D, antennule. E, copulatory hook of thoracic limb I. F, IDL of thoracic limb I." figureDoi="http://doi.org/10.5281/zenodo.4296635" httpUri="https://zenodo.org/record/4296635/files/figure.png" pageId="5" pageNumber="306">Fig. 5</figureCitation>
(
<taxonomicName id="4C1B4D23FFFDFF91B9ECFE1AFAE0A98F" ID-CoL="SSX" baseAuthorityName="Sinev" baseAuthorityYear="2013" box="[1230,1291,439,463]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEAB2FFFDFF91B9ECFE1AFAE0A98F" box="[1230,1291,439,463]" italics="true" pageId="5" pageNumber="306">Alona</emphasis>
</taxonomicName>
);
<bibRefCitation id="EF8A4B51FFFDFF91B800FE1AFEC9A9AE" author="Sinev, A. Y." pageId="5" pageNumber="306" pagination="197 - 202" refId="ref20433" refString="Sinev, A. Y. (2000) Postembrional development of male and abnormal sexual individuals of Alona affinis (Leydig, 1860) (Anomopoda, Chydoridae). Hydrobiologia, 437, 197 - 202. https: // doi. org / 10.1023 / A: 1026515226055" type="journal article" year="2000">Sinev 2000: 197202</bibRefCitation>
,
<figureCitation id="13202A25FFFDFF91BC0FFE7BFE88A9AE" box="[301,355,470,494]" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="5" pageNumber="306">Fig. 1</figureCitation>
22 (
<taxonomicName id="4C1B4D23FFFDFF91BCBEFE7BFE32A9AE" ID-CoL="SSX" baseAuthorityName="Sinev" baseAuthorityYear="2013" box="[412,473,470,494]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEAB2FFFDFF91BCBEFE7BFE32A9AE" box="[412,473,470,494]" italics="true" pageId="5" pageNumber="306">Alona</emphasis>
</taxonomicName>
);
<bibRefCitation id="EF8A4B51FFFDFF91BCCDFE7BFD5AA9AE" author="Sinev, A. Y." box="[495,689,470,494]" pageId="5" pageNumber="306" pagination="41 - 54" refId="ref20541" refString="Sinev, A. Y. (2009) Cladocerans of the Alona affinis (Leydig, 1860) group from South Africa. Zootaxa, 1990 (1), 41 - 54. https: // doi. org / 10.11646 / zootaxa. 1990.1.3" type="journal article" year="2009">Sinev 2009: 4951</bibRefCitation>
,
<figureCitation id="13202A25FFFDFF91BF99FE7BFCE4A9AE" box="[699,783,470,494]" captionStart-0="FIGURE 5" captionStart-1="FIGURE 6" captionStartId-0="9.[151,250,1330,1354]" captionStartId-1="11.[151,250,1774,1798]" captionTargetBox-0="[180,1400,614,1260]" captionTargetBox-1="[163,1416,289,1750]" captionTargetId-0="figure-198@9.[151,1436,597,1307]" captionTargetId-1="figure-67@11.[151,1436,273,1751]" captionTargetPageId-0="9" captionTargetPageId-1="11" captionText-0="FIGURE 5. Biapertura affinis (Leydig, 1860) from Klein Vaal River, Transvaal Province, Republic of South Africa, adult male. A, lateral view. B, postabdomen. C, distal portion of postabdomen. D, antennule. E, copulatory hook of thoracic limb I. F, IDL of thoracic limb I." captionText-1="FIGURE 6. Biapertura kendallensis (Henry, 1919) from Ryans II Billabong, Bonegilla, east of Wodonga, Victoria, Australia. AB, juvenile females of instar I and II. CK, adult parthenogenetic female. C, lateral view. D, ventral margin of valves. E, setae of anterior group. F, setae of posterior group. G, posterior margin of valves. H, posteroventral angle of valves. IJ, head shields. K, head pores. L, ephippial female. MN, juvenile males of instar I and II. O, adult male." figureDoi-0="http://doi.org/10.5281/zenodo.4296635" figureDoi-1="http://doi.org/10.5281/zenodo.4296639" httpUri-0="https://zenodo.org/record/4296635/files/figure.png" httpUri-1="https://zenodo.org/record/4296639/files/figure.png" pageId="5" pageNumber="306">Fig. 56</figureCitation>
(
<taxonomicName id="4C1B4D23FFFDFF91BE3CFE7BFCB0A9AE" ID-CoL="SSX" baseAuthorityName="Sinev" baseAuthorityYear="2013" box="[798,859,470,494]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEAB2FFFDFF91BE3CFE7BFCB0A9AE" box="[798,859,470,494]" italics="true" pageId="5" pageNumber="306">Alona</emphasis>
</taxonomicName>
);
<bibRefCitation id="EF8A4B51FFFDFF91BE52FE7BFB83A9AE" author="Flossner, D." box="[880,1128,470,494]" pageId="5" pageNumber="306" refId="ref19350" refString="Flossner, D. (2000) Die Haplopoda und Cladocera (ohne Bosminidae) Mitteleuropas. Backhuys, Leiden, 428 pp." type="book" year="2000">Flössner 2000: 297300</bibRefCitation>
, Pl. 110 (
<taxonomicName id="4C1B4D23FFFDFF91B9EAFE7BFAEEA9AE" ID-CoL="SSX" baseAuthorityName="Sinev" baseAuthorityYear="2013" box="[1224,1285,470,494]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEAB2FFFDFF91B9EAFE7BFAEEA9AE" box="[1224,1285,470,494]" italics="true" pageId="5" pageNumber="306">Alona</emphasis>
</taxonomicName>
);
<bibRefCitation id="EF8A4B51FFFDFF91B838FE7BFEC8AA4C" author="Hudec, I." pageId="5" pageNumber="306" refId="ref19553" refString="Hudec, I. (2010) Anomopoda, Ctenopoda, Haplopoda, Onychopoda (Crustacea: Branchiopoda). Fauna Slovenska III. VEDA, Bratislava, 496 pp." type="book" year="2010">Hudec 2010: 306309</bibRefCitation>
, Pl. 73(
<taxonomicName id="4C1B4D23FFFDFF91BC52FE59FE46AA4C" ID-CoL="SSX" baseAuthorityName="Sinev" baseAuthorityYear="2013" box="[368,429,500,524]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEAB2FFFDFF91BC52FE59FE46AA4C" box="[368,429,500,524]" italics="true" pageId="5" pageNumber="306">Alona</emphasis>
</taxonomicName>
);
<bibRefCitation id="EF8A4B51FFFDFF91BCE0FE59FD3CAA4D" author="Sinev, A. Y. &amp; Karabanov, D. P. &amp; Kotov, A. A." box="[450,727,500,525]" pageId="5" pageNumber="306" pagination="115 - 137" refId="ref21185" refString="Sinev, A. Y., Karabanov, D. P. &amp; Kotov, A. A. (2020) A new North Eurasian species of the Alona affinis complex (Cladocera: Chydoridae). Zootaxa, 4767 (1), 115 - 137. https: // doi. org / 10.11646 / zootaxa. 4767.1.5" type="journal article" year="2020">
Sinev
<emphasis id="B96FEAB2FFFDFF91BF20FE58FDC4AA4C" box="[514,559,500,524]" italics="true" pageId="5" pageNumber="306">et al</emphasis>
. 2020: 128129
</bibRefCitation>
,
<figureCitation id="13202A25FFFDFF91BFC3FE59FCF0AA4C" box="[737,795,500,524]" captionStart="FIGURE 6" captionStartId="11.[151,250,1774,1798]" captionTargetBox="[163,1416,289,1750]" captionTargetId="figure-67@11.[151,1436,273,1751]" captionTargetPageId="11" captionText="FIGURE 6. Biapertura kendallensis (Henry, 1919) from Ryans II Billabong, Bonegilla, east of Wodonga, Victoria, Australia. AB, juvenile females of instar I and II. CK, adult parthenogenetic female. C, lateral view. D, ventral margin of valves. E, setae of anterior group. F, setae of posterior group. G, posterior margin of valves. H, posteroventral angle of valves. IJ, head shields. K, head pores. L, ephippial female. MN, juvenile males of instar I and II. O, adult male." figureDoi="http://doi.org/10.5281/zenodo.4296639" httpUri="https://zenodo.org/record/4296639/files/figure.png" pageId="5" pageNumber="306">Fig. 6</figureCitation>
GL, 7 (
<taxonomicName id="4C1B4D23FFFDFF91BE50FE59FC44AA4C" ID-CoL="SSX" baseAuthorityName="Sinev" baseAuthorityYear="2013" box="[882,943,500,524]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEAB2FFFDFF91BE50FE59FC44AA4C" box="[882,943,500,524]" italics="true" pageId="5" pageNumber="306">Alona</emphasis>
</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection id="C301652BFFFDFF91BDB5FD97FCDDAC69" pageId="5" pageNumber="306" type="materials_examined">
<paragraph id="8BA436A0FFFDFF91BDB5FD97FEB7AB11" blockId="5.[151,1437,570,2037]" pageId="5" pageNumber="306">
<emphasis id="B96FEAB2FFFDFF91BDB5FD97FDD8AA15" bold="true" box="[151,563,570,597]" pageId="5" pageNumber="306">Material examined for this study.</emphasis>
<materialsCitation id="3B733CFDFFFDFF91BF1CFD96FEB3AB11" ID-GBIF-Occurrence="2990893310" collectingDate="1990-09-28" collectingDateMax="1990-10-27" collectingDateMin="1990-09-28" collectorName="A. Y. Sinev &amp; D. G. Frey" country="Russia" county="Over" location="Ruza District" municipality="Lake Glubokoe" pageId="5" pageNumber="306" specimenCount="32" specimenCount-adult="12" specimenCount-male="20" stateProvince="Western Cape">
<collectingCounty id="62C54E2CFFFDFF91BF1CFD96FD9DAA15" box="[574,630,571,597]" pageId="5" pageNumber="306">Over</collectingCounty>
50 parthenogenetic and ephippial females; over
<specimenCount id="9D1DFD29FFFDFF91B992FD96FAF3AA15" box="[1200,1304,571,597]" pageId="5" pageNumber="306" type="male">20 males</specimenCount>
from
<collectingMunicipality id="6BC0ACDAFFFDFF91B846FD96FEE3AA39" pageId="5" pageNumber="306">Lake Glubokoe</collectingMunicipality>
,
<location id="8EC4607BFFFDFF91BC31FDF2FE41AA39" LSID="urn:lsid:plazi:treatment:03B287B6FFFDFF9DBDB5FF16FE4EAFEF:8EC4607BFFFDFF91BC31FDF2FE41AA39" box="[275,426,607,633]" country="Russia" county="Over" municipality="Lake Glubokoe" name="Ruza District" pageId="5" pageNumber="306" stateProvince="Western Cape">Ruza District</location>
, Moscow
<location id="8EC4607BFFFDFF91BF39FDF2FDBFAA39" LSID="urn:lsid:plazi:treatment:03B287B6FFFDFF9DBDB5FF16FE4EAFEF:8EC4607BFFFDFF91BF39FDF2FDBFAA39" box="[539,596,607,633]" country="Russia" county="Over" municipality="Lake Glubokoe" name="Area" pageId="5" pageNumber="306" stateProvince="Western Cape">Area</location>
,
<collectingCountry id="F30C7630FFFDFF91BF7DFDF2FD47AA39" box="[607,684,607,633]" name="Russia" pageId="5" pageNumber="306">Russia</collectingCountry>
, 0809.2019, coll. by
<collectorName id="26EE5376FFFDFF91BE80FDF2FBF4AA39" box="[930,1055,607,633]" pageId="5" pageNumber="306">A.Y. Sinev</collectorName>
; over 50 parthenogenetic females, 13 ephippial females,
<specimenCount id="9D1DFD29FFFDFF91BCBBFD2EFE02AADD" box="[409,489,643,669]" pageId="5" pageNumber="306" type="adult">8 adult</specimenCount>
males, numerous exuvia from
<location id="8EC4607BFFFDFF91BE74FD2EFBF1AADD" LSID="urn:lsid:plazi:treatment:03B287B6FFFDFF9DBDB5FF16FE4EAFEF:8EC4607BFFFDFF91BE74FD2EFBF1AADD" box="[854,1050,643,669]" country="Russia" county="Over" municipality="Lake Glubokoe" name="Klein Vaal River" pageId="5" pageNumber="306" stateProvince="Western Cape">Klein Vaal River</location>
,
<location id="8EC4607BFFFDFF91B90AFD2EFAEDAADD" LSID="urn:lsid:plazi:treatment:03B287B6FFFDFF9DBDB5FF16FE4EAFEF:8EC4607BFFFDFF91B90AFD2EFAEDAADD" box="[1064,1286,643,669]" country="Russia" county="Over" municipality="Lake Glubokoe" name="Transvaal Province" pageId="5" pageNumber="306" stateProvince="Western Cape">Transvaal Province</location>
, Republic of South Africa,
<date id="FFA51060FFFDFF91BC1BFD0AFE51AA81" box="[313,442,679,705]" pageId="5" pageNumber="306" value="1990-09-28">
<collectingDate id="EFE1E988FFFDFF91BC1BFD0AFE51AA81" box="[313,442,679,705]" pageId="5" pageNumber="306" value="1990-09-28">28.09.1990</collectingDate>
</date>
, coll.
<collectorName id="26EE5376FFFDFF91BF21FD0AFD93AA81" box="[515,632,679,705]" pageId="5" pageNumber="306">D.G. Frey</collectorName>
, DGF8926; over 50 parthenogenetic females, 2 ephippial females,
<specimenCount id="9D1DFD29FFFDFF91B8ACFD0AFF24AAA5" pageId="5" pageNumber="306" type="adult">3 adult</specimenCount>
males, numerous exuvia from Elias Gaat at
<location id="8EC4607BFFFDFF91BFF5FD66FCA3AAA5" LSID="urn:lsid:plazi:treatment:03B287B6FFFDFF9DBDB5FF16FE4EAFEF:8EC4607BFFFDFF91BFF5FD66FCA3AAA5" box="[727,840,715,741]" country="Russia" county="Over" municipality="Lake Glubokoe" name="West End" pageId="5" pageNumber="306" stateProvince="Western Cape">West End</location>
,
<location id="8EC4607BFFFDFF91BE75FD66FBEEAAA5" LSID="urn:lsid:plazi:treatment:03B287B6FFFDFF9DBDB5FF16FE4EAFEF:8EC4607BFFFDFF91BE75FD66FBEEAAA5" box="[855,1029,715,741]" country="Russia" county="Over" municipality="Lake Glubokoe" name="River Crossing" pageId="5" pageNumber="306" stateProvince="Western Cape">River Crossing</location>
,
<location id="8EC4607BFFFDFF91B931FD66FB0BAAA5" LSID="urn:lsid:plazi:treatment:03B287B6FFFDFF9DBDB5FF16FE4EAFEF:8EC4607BFFFDFF91B931FD66FB0BAAA5" box="[1043,1248,715,741]" country="Russia" county="Over" municipality="Lake Glubokoe" name="South of Caledon" pageId="5" pageNumber="306" stateProvince="Western Cape">South of Caledon</location>
,
<collectingRegion id="49DFF842FFFDFF91B9CCFD66FA73AAA5" box="[1262,1432,715,741]" country="South Africa" name="Western Cape" pageId="5" pageNumber="306">Cape Province</collectingRegion>
,
<collectingCountry id="F30C7630FFFDFF91BDB5FD42FE5FAB49" box="[151,436,751,777]" name="South Africa" pageId="5" pageNumber="306">Republic of South Africa</collectingCountry>
,
<date id="FFA51060FFFDFF91BCE2FD42FDAAAB49" box="[448,577,751,777]" pageId="5" pageNumber="306" value="1990-10-20">
<collectingDate id="EFE1E988FFFDFF91BCE2FD42FDAAAB49" box="[448,577,751,777]" pageId="5" pageNumber="306" value="1990-10-20">20.10.1990</collectingDate>
</date>
, coll.
<collectorName id="26EE5376FFFDFF91BFA7FD42FD1CAB49" box="[645,759,751,777]" pageId="5" pageNumber="306">D.G. Frey</collectorName>
, DGF8969; 13 parthenogenetic females,
<specimenCount id="9D1DFD29FFFDFF91B9F1FD42FACBAB49" box="[1235,1312,751,777]" pageId="5" pageNumber="306" type="adult">1 adult</specimenCount>
male from Diep Rivier crossing,
<locationDeviation id="9A162F82FFFDFF91BCABFCBEFD21AB6D" box="[393,714,787,813]" firstLocation="Knysna" pageId="5" pageNumber="306" secondLocation="George">between Knysna and George</locationDeviation>
,
<collectingRegion id="49DFF842FFFDFF91BFF6FCBEFC92AB6D" box="[724,889,787,813]" country="South Africa" name="Western Cape" pageId="5" pageNumber="306">Cape Province</collectingRegion>
, Republic of South Africa,
<date id="FFA51060FFFDFF91B986FCBEFACDAB6D" box="[1188,1318,787,813]" pageId="5" pageNumber="306" value="1990-10-27">
<collectingDate id="EFE1E988FFFDFF91B986FCBEFACDAB6D" box="[1188,1318,787,813]" pageId="5" pageNumber="306" value="1990-10-27">27.10.1990</collectingDate>
</date>
, coll.
<collectorName id="26EE5376FFFDFF91B844FCBEFF20AB11" pageId="5" pageNumber="306">D.G. Frey</collectorName>
, DGF8984
</materialsCitation>
.
</paragraph>
<paragraph id="8BA436A0FFFDFF91BDE5FCF7FA72ABD9" blockId="5.[151,1437,570,2037]" pageId="5" pageNumber="306">
<emphasis id="B96FEAB2FFFDFF91BDE5FCF7FDEFAB34" bold="true" box="[199,516,858,884]" pageId="5" pageNumber="306">Material examined earlier</emphasis>
. See
<bibRefCitation id="EF8A4B51FFFDFF91BF65FCF6FD3EAB35" author="Sinev, A. Y." box="[583,725,859,885]" pageId="5" pageNumber="306" pagination="47 - 58" refId="ref20274" refString="Sinev, A. Y. (1997) Review of the affinis- group of Alona Baird, 1843, with the description of a new species from Australia (Anomopoda: Chydoridae). Arthropoda Selecta, 6 (3 - 4), 47 - 58." type="journal article" year="1997">Sinev (1997</bibRefCitation>
, as
<taxonomicName id="4C1B4D23FFFDFF91BE20FCF6FC07AB35" authority="var. affinis" box="[770,1004,859,885]" class="Branchiopoda" family="Chydoridae" genus="Biapertura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="variety" species="affinis" variety="affinis">
<emphasis id="B96FEAB2FFFDFF91BE20FCF6FC81AB35" box="[770,874,859,885]" italics="true" pageId="5" pageNumber="306">A. affinis</emphasis>
var.
<emphasis id="B96FEAB2FFFDFF91BE84FCF6FC07AB35" box="[934,1004,859,885]" italics="true" pageId="5" pageNumber="306">affinis</emphasis>
</taxonomicName>
and
<taxonomicName id="4C1B4D23FFFDFF91B90AFCF6FAF3AB34" authority="Leydig, 1860" box="[1064,1304,859,885]" class="Branchiopoda" family="Chydoridae" genus="Biapertura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="variety" species="affinis" variety="ornata">
<emphasis id="B96FEAB2FFFDFF91B90AFCF6FB64AB35" box="[1064,1167,859,885]" italics="true" pageId="5" pageNumber="306">A. affinis</emphasis>
var.
<emphasis id="B96FEAB2FFFDFF91B9E9FCF6FAF3AB34" box="[1227,1304,859,884]" italics="true" pageId="5" pageNumber="306">ornata</emphasis>
</taxonomicName>
<emphasis id="B96FEAB2FFFDFF91B83AFCF6FAF4AB34" box="[1304,1311,859,884]" italics="true" pageId="5" pageNumber="306">;</emphasis>
2000) and
<bibRefCitation id="EF8A4B51FFFDFF91BDB5FCD2FE83ABD9" author="Sinev, A. Y. &amp; Karabanov, D. P. &amp; Kotov, A. A." box="[151,360,895,921]" pageId="5" pageNumber="306" pagination="115 - 137" refId="ref21185" refString="Sinev, A. Y., Karabanov, D. P. &amp; Kotov, A. A. (2020) A new North Eurasian species of the Alona affinis complex (Cladocera: Chydoridae). Zootaxa, 4767 (1), 115 - 137. https: // doi. org / 10.11646 / zootaxa. 4767.1.5" type="journal article" year="2020">
Sinev
<emphasis id="B96FEAB2FFFDFF91BDFCFCD2FEE4ABD9" box="[222,271,895,921]" italics="true" pageId="5" pageNumber="306">et al</emphasis>
. (2020)
</bibRefCitation>
for the list of material from Eurasia and
<bibRefCitation id="EF8A4B51FFFDFF91BE10FCD2FC28ABD9" author="Sinev, A. Y." box="[818,963,895,921]" pageId="5" pageNumber="306" pagination="41 - 54" refId="ref20541" refString="Sinev, A. Y. (2009) Cladocerans of the Alona affinis (Leydig, 1860) group from South Africa. Zootaxa, 1990 (1), 41 - 54. https: // doi. org / 10.11646 / zootaxa. 1990.1.3" type="journal article" year="2009">Sinev (2009)</bibRefCitation>
for the list of material from
<collectingCountry id="F30C7630FFFDFF91B821FCD2FA7FABD9" box="[1283,1428,895,921]" name="South Africa" pageId="5" pageNumber="306">South Africa</collectingCountry>
.
</paragraph>
<paragraph id="8BA436A0FFFDFF91BDE5FC0EFCDDAC69" blockId="5.[151,1437,570,2037]" pageId="5" pageNumber="306">
For descriptions of European populations see
<bibRefCitation id="EF8A4B51FFFDFF91BFF4FC0EFC96ABFE" author="Alonso, M." box="[726,893,931,958]" pageId="5" pageNumber="306" pagination="1 - 486" refId="ref18831" refString="Alonso, M. (1996) Crustacea, Branchiopoda. In: Ramos, M. (Ed.), Fauna Iberica. Museo Nacional de Ciencias Naturales. Consejo Superior de Investigaciones Cientificas, Madrid, 7, pp. 1 - 486." type="journal article" year="1996">Alonso (1996)</bibRefCitation>
,
<bibRefCitation id="EF8A4B51FFFDFF91BEA9FC0EFBA8ABFD" author="Smirnov, N. N." box="[907,1091,931,957]" pageId="5" pageNumber="306" pagination="1 - 531" refId="ref21612" refString="Smirnov, N. N. (1971) Chydoridae of the world fauna. Fauna SSSR. Rakoobraznie, 1 (2), 1 - 531. [in Russian]" type="journal article" year="1971">Smirnov (1971)</bibRefCitation>
,
<bibRefCitation id="EF8A4B51FFFDFF91B972FC0EFB16ABFD" author="Flossner, D." box="[1104,1277,931,957]" pageId="5" pageNumber="306" refId="ref19305" refString="Flossner, D. (1972) Krebstiere, Crustacea (Kiemen- und Blattfusser, Branchiopoda, Fischlause, Branchiura). In: Die Tierwelt Deutschlands. Vol. 60. VEB Gustav Fischer Verlag, Jena, pp. 1 - 499." type="book" year="1972">Flössner (1972</bibRefCitation>
,
<bibRefCitation id="EF8A4B51FFFDFF91B829FC0EFAACABFD" author="Flossner, D." box="[1291,1351,931,957]" pageId="5" pageNumber="306" refId="ref19350" refString="Flossner, D. (2000) Die Haplopoda und Cladocera (ohne Bosminidae) Mitteleuropas. Backhuys, Leiden, 428 pp." type="book" year="2000">2000</bibRefCitation>
),
<bibRefCitation id="EF8A4B51FFFDFF91B87EFC0EFF30ABA1" author="Sinev, A. Y." pageId="5" pageNumber="306" pagination="47 - 58" refId="ref20274" refString="Sinev, A. Y. (1997) Review of the affinis- group of Alona Baird, 1843, with the description of a new species from Australia (Anomopoda: Chydoridae). Arthropoda Selecta, 6 (3 - 4), 47 - 58." type="journal article" year="1997">Sinev (1997</bibRefCitation>
,
<bibRefCitation id="EF8A4B51FFFDFF91BDC5FC6AFEC8ABA1" author="Sinev, A. Y." box="[231,291,967,993]" pageId="5" pageNumber="306" pagination="197 - 202" refId="ref20433" refString="Sinev, A. Y. (2000) Postembrional development of male and abnormal sexual individuals of Alona affinis (Leydig, 1860) (Anomopoda, Chydoridae). Hydrobiologia, 437, 197 - 202. https: // doi. org / 10.1023 / A: 1026515226055" type="journal article" year="2000">2000</bibRefCitation>
),
<bibRefCitation id="EF8A4B51FFFDFF91BC14FC6AFE3FABA1" author="Hudec, I." box="[310,468,967,993]" pageId="5" pageNumber="306" refId="ref19553" refString="Hudec, I. (2010) Anomopoda, Ctenopoda, Haplopoda, Onychopoda (Crustacea: Branchiopoda). Fauna Slovenska III. VEDA, Bratislava, 496 pp." type="book" year="2010">Hudec (2010)</bibRefCitation>
; for full description of South African population see
<bibRefCitation id="EF8A4B51FFFDFF91B907FC6AFB51ABA1" author="Sinev, A. Y." box="[1061,1210,967,993]" pageId="5" pageNumber="306" pagination="41 - 54" refId="ref20541" refString="Sinev, A. Y. (2009) Cladocerans of the Alona affinis (Leydig, 1860) group from South Africa. Zootaxa, 1990 (1), 41 - 54. https: // doi. org / 10.11646 / zootaxa. 1990.1.3" type="journal article" year="2009">Sinev (2009)</bibRefCitation>
. Thoracic limbs and dorsal pores of European populations of
<taxonomicName id="4C1B4D23FFFDFF91BF7EFC46FD2AAC45" baseAuthorityName="Leydig" baseAuthorityYear="1860" box="[604,705,1003,1029]" class="Branchiopoda" family="Chydoridae" genus="Biapertura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="306" phylum="Arthropoda" rank="species" species="affinis">
<emphasis id="B96FEAB2FFFDFF91BF7EFC46FD2AAC45" box="[604,705,1003,1029]" italics="true" pageId="5" pageNumber="306">B. affinis</emphasis>
</taxonomicName>
were never fully studied, so full description of these structures of parthenogenetic female is provided in addition to diagnosis.
</paragraph>
</subSubSection>
<subSubSection id="C301652BFFFDFF91BDE5FB9FFB4FAF91" pageId="5" pageNumber="306" type="diagnosis">
<paragraph id="8BA436A0FFFDFF91BDE5FB9FFCB7AE61" blockId="5.[151,1437,570,2037]" pageId="5" pageNumber="306">
<emphasis id="B96FEAB2FFFDFF91BDE5FB9FFEA9AC0C" bold="true" box="[199,322,1074,1100]" pageId="5" pageNumber="306">Diagnosis.</emphasis>
<emphasis id="B96FEAB2FFFDFF91BC68FB9EFE75AC0D" box="[330,414,1075,1101]" italics="true" pageId="5" pageNumber="306">Female</emphasis>
. Length of adult 0.650.1.1 mm. Body (
<figureCitation id="13202A25FFFDFF91BE4FFB9EFC2CAC0D" box="[877,967,1075,1101]" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="5" pageNumber="306">Fig. 1A</figureCitation>
,
<figureCitation id="13202A25FFFDFF91BEF6FB9EFC0AAC0D" box="[980,993,1075,1101]" captionStart="FIGURE 2" captionStartId="6.[151,250,1932,1956]" captionTargetBox="[151,1436,308,1908]" captionTargetId="figure-89@6.[151,1436,308,1908]" captionTargetPageId="6" captionText="FIGURE 2. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AB, lateral view. C, dorsolateral view. D, dorsal view. E, ventral view. F, frontal view. G, ventral part of valve. H, postabdomen. I, postabdominal claw. J, antenna." figureDoi="http://doi.org/10.5281/zenodo.4296629" httpUri="https://zenodo.org/record/4296629/files/figure.png" pageId="5" pageNumber="306">2</figureCitation>
AF) oval or slightly ovoid; maximum height at the midline or behind it; height/length ratio about
<quantity id="4CE39B45FFFDFF91BE0BFBFAFC82AC31" box="[809,873,1111,1137]" metricMagnitude="-2" metricUnit="m" metricValue="1.524" pageId="5" pageNumber="306" unit="in" value="0.6">0.6 in</quantity>
adults. Postero-dorsal angle of valves (
<figureCitation id="13202A25FFFDFF91B83CFBFAFA7FAC31" box="[1310,1428,1111,1137]" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="5" pageNumber="306">Fig. 1B, C</figureCitation>
) with 710 groups of setulae, with 58 setulae in each. Morphology of ventral margin of valves (
<figureCitation id="13202A25FFFDFF91B995FBD6FAC0ACD5" box="[1207,1323,1147,1173]" captionStart="FIGURE 2" captionStartId="6.[151,250,1932,1956]" captionTargetBox="[151,1436,308,1908]" captionTargetId="figure-89@6.[151,1436,308,1908]" captionTargetPageId="6" captionText="FIGURE 2. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AB, lateral view. C, dorsolateral view. D, dorsal view. E, ventral view. F, frontal view. G, ventral part of valve. H, postabdomen. I, postabdominal claw. J, antenna." figureDoi="http://doi.org/10.5281/zenodo.4296629" httpUri="https://zenodo.org/record/4296629/files/figure.png" pageId="5" pageNumber="306">Fig. 2E, G</figureCitation>
) and head shield typical for the genus (
<figureCitation id="13202A25FFFDFF91BCF6FB32FDC6ACF9" box="[468,557,1183,1209]" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="5" pageNumber="306">Fig. 1D</figureCitation>
). Main head pores with PP
<quantity id="4CE39B45FFFDFF91BE7DFB33FC50ACF9" box="[863,955,1182,1209]" metricMagnitude="-2" metricUnit="m" metricValue="4.445" metricValueMax="5.08" metricValueMin="3.81" pageId="5" pageNumber="306" unit="in" value="1.75" valueMax="2.0" valueMin="1.5">1.52 in</quantity>
adults (
<figureCitation id="13202A25FFFDFF91B936FB32FB83ACF9" box="[1044,1128,1183,1209]" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="5" pageNumber="306">Fig. 1E</figureCitation>
,
<figureCitation id="13202A25FFFDFF91B956FB32FB52ACF9" box="[1140,1209,1183,1209]" captionStart="FIGURE 3" captionStartId="7.[151,250,878,902]" captionTargetBox="[151,1436,201,855]" captionTargetId="figure-15@7.[151,1436,201,855]" captionTargetPageId="7" captionText="FIGURE 3. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia, parthenogenetic female.AB, head pores. CE, posterior dorsal pores." figureDoi="http://doi.org/10.5281/zenodo.4296631" httpUri="https://zenodo.org/record/4296631/files/figure.png" pageId="5" pageNumber="306">3A, B</figureCitation>
). Lateral head pores located about 1 IP distance from midline, at level of anterior major head pore or before it. Labrum (
<figureCitation id="13202A25FFFDFF91B821FB6EFABDAC9D" box="[1283,1366,1219,1245]" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="5" pageNumber="306">Fig. 1F</figureCitation>
) typical for the genus. Postabdomen (
<figureCitation id="13202A25FFFDFF91BF2BFB4AFD89AD41" box="[521,610,1255,1281]" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="5" pageNumber="306">Fig. 1G</figureCitation>
,
<figureCitation id="13202A25FFFDFF91BF4DFB4AFD79AD41" box="[623,658,1255,1281]" captionStart="FIGURE 2" captionStartId="6.[151,250,1932,1956]" captionTargetBox="[151,1436,308,1908]" captionTargetId="figure-89@6.[151,1436,308,1908]" captionTargetPageId="6" captionText="FIGURE 2. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AB, lateral view. C, dorsolateral view. D, dorsal view. E, ventral view. F, frontal view. G, ventral part of valve. H, postabdomen. I, postabdominal claw. J, antenna." figureDoi="http://doi.org/10.5281/zenodo.4296629" httpUri="https://zenodo.org/record/4296629/files/figure.png" pageId="5" pageNumber="306">2H</figureCitation>
) subrectangular, with parallel margins, weakly narrowing at the end. Length about 2.5 height. Ventral margin straight. Dorsal margin weakly convex to straight in postanal portion and weakly concave in anal one, with distal part about 2.5 times longer than preanal one, with postanal portion 2.52.8 times longer than anal one. Postanal margin (
<figureCitation id="13202A25FFFDFF91BFB6FAFEFD00AD2D" box="[660,747,1363,1389]" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="5" pageNumber="306">Fig. 1H</figureCitation>
) with 1113 massive denticles, each with 26 spinules along anterior margin; size of denticles increasing distally. Postabdominal claw (
<figureCitation id="13202A25FFFDFF91BEC8FADAFBD2ADD1" box="[1002,1081,1399,1425]" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="5" pageNumber="306">Fig. 1I</figureCitation>
,
<figureCitation id="13202A25FFFDFF91B965FADAFB8BADD1" box="[1095,1120,1399,1425]" captionStart="FIGURE 2" captionStartId="6.[151,250,1932,1956]" captionTargetBox="[151,1436,308,1908]" captionTargetId="figure-89@6.[151,1436,308,1908]" captionTargetPageId="6" captionText="FIGURE 2. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AB, lateral view. C, dorsolateral view. D, dorsal view. E, ventral view. F, frontal view. G, ventral part of valve. H, postabdomen. I, postabdominal claw. J, antenna." figureDoi="http://doi.org/10.5281/zenodo.4296629" httpUri="https://zenodo.org/record/4296629/files/figure.png" pageId="5" pageNumber="306">2I</figureCitation>
) with basal spine about 0.3 length of the claw. Antennule (
<figureCitation id="13202A25FFFDFF91BCD1FA36FDABADF5" box="[499,576,1435,1461]" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="5" pageNumber="306">Fig. 1J</figureCitation>
) typical for the genus. Antenna (
<figureCitation id="13202A25FFFDFF91BE97FA36FBE4ADF5" box="[949,1039,1435,1461]" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="5" pageNumber="306">Fig. 1K</figureCitation>
,
<figureCitation id="13202A25FFFDFF91B939FA36FBDEADF5" box="[1051,1077,1435,1461]" captionStart="FIGURE 2" captionStartId="6.[151,250,1932,1956]" captionTargetBox="[151,1436,308,1908]" captionTargetId="figure-89@6.[151,1436,308,1908]" captionTargetPageId="6" captionText="FIGURE 2. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AB, lateral view. C, dorsolateral view. D, dorsal view. E, ventral view. F, frontal view. G, ventral part of valve. H, postabdomen. I, postabdominal claw. J, antenna." figureDoi="http://doi.org/10.5281/zenodo.4296629" httpUri="https://zenodo.org/record/4296629/files/figure.png" pageId="5" pageNumber="306">2J</figureCitation>
) with basal and distal segments of both branches of similar length, middle segment being shortest. Spine on basal segment of exopodite longer than middle segment. Spines on apical segments shorter than apical segments. Limb I (
<figureCitation id="13202A25FFFDFF91B962FA4EFB58ADBD" box="[1088,1203,1507,1533]" captionStart="FIGURE 4" captionStartId="8.[151,250,1838,1862]" captionTargetBox="[170,1430,283,1808]" captionTargetId="figure-74@8.[151,1436,273,1815]" captionTargetPageId="8" captionText="FIGURE 4. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AL, thoracic limbs of adult parthenogenetic female. A, limb I. B, IDL and ODL of limb I. C. inner setae of endites 12 of limb I. D, limb II. E, exopodite of limb III. FG, inner and outer parts of inner portion of limb III. H, exopodite of limb IV. I, inner portion of limb IV. JK, limb V and its gnathobase filter plate. L, limb VI. M, copulatory hook and IDL of thoracic limb I of adult male. (AL, orig.; M, after Sinev et al., 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296633" httpUri="https://zenodo.org/record/4296633/files/figure.png" pageId="5" pageNumber="306">Fig. 4A,B</figureCitation>
) with claw-like IDL seta 1. Seta e of endite 2 being 1.51.7 times longer than seta f.
</paragraph>
<paragraph id="8BA436A0FFFDFF91BDE5F986FB4FAF91" blockId="5.[151,1437,570,2037]" pageId="5" pageNumber="306">
<emphasis id="B96FEAB2FFFDFF91BDE5F986FEE3AE05" box="[199,264,1579,1605]" italics="true" pageId="5" pageNumber="306">Male.</emphasis>
Length of adult
<quantity id="4CE39B45FFFDFF91BCE2F986FD8EAE05" box="[448,613,1579,1605]" metricMagnitude="-4" metricUnit="m" metricValue="6.799999999999999" metricValueMax="7.3" metricValueMin="6.3" pageId="5" pageNumber="306" unit="mm" value="0.6799999999999999" valueMax="0.73" valueMin="0.63">0.630.73 mm</quantity>
. Body low ovoid (
<figureCitation id="13202A25FFFDFF91BE13F986FC65AE05" box="[817,910,1579,1605]" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="5" pageNumber="306">Fig. 1M</figureCitation>
,
<figureCitation id="13202A25FFFDFF91BEBBF987FC55AE05" box="[921,958,1578,1605]" captionStart="FIGURE 5" captionStartId="9.[151,250,1330,1354]" captionTargetBox="[180,1400,614,1260]" captionTargetId="figure-198@9.[151,1436,597,1307]" captionTargetPageId="9" captionText="FIGURE 5. Biapertura affinis (Leydig, 1860) from Klein Vaal River, Transvaal Province, Republic of South Africa, adult male. A, lateral view. B, postabdomen. C, distal portion of postabdomen. D, antennule. E, copulatory hook of thoracic limb I. F, IDL of thoracic limb I." figureDoi="http://doi.org/10.5281/zenodo.4296635" httpUri="https://zenodo.org/record/4296635/files/figure.png" pageId="5" pageNumber="306">5A</figureCitation>
), with maximum height at the third quarter of the body, height/length ratio about 0.54. Postabdomen (
<figureCitation id="13202A25FFFDFF91BE09F9E2FC6EAE29" box="[811,901,1615,1641]" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="5" pageNumber="306">Fig. 1N</figureCitation>
,
<figureCitation id="13202A25FFFDFF91BEB0F9E3FC5FAE29" box="[914,948,1614,1641]" captionStart="FIGURE 5" captionStartId="9.[151,250,1330,1354]" captionTargetBox="[180,1400,614,1260]" captionTargetId="figure-198@9.[151,1436,597,1307]" captionTargetPageId="9" captionText="FIGURE 5. Biapertura affinis (Leydig, 1860) from Klein Vaal River, Transvaal Province, Republic of South Africa, adult male. A, lateral view. B, postabdomen. C, distal portion of postabdomen. D, antennule. E, copulatory hook of thoracic limb I. F, IDL of thoracic limb I." figureDoi="http://doi.org/10.5281/zenodo.4296635" httpUri="https://zenodo.org/record/4296635/files/figure.png" pageId="5" pageNumber="306">5B</figureCitation>
) of moderate size, with parallel margins in basal half of postanal portion, evenly narrowing in distal part of postanal portion. Length about 2.5 height. Ventral margin straight. Posteroventral angle straight, ventral part of distal margin straight. No protrusion at the base of postabdominal claw. The sperm ducts open at distal margin above the base of claw. Posterodorsal angle rounded. Postanal portion of dorsal margin consisting of two almost straight parts of equal length, with obtuse angle between them; anal portion concave. Preanal angle weakly defined; postanal angle not defined. Distal portion of postabdomen 2.53 times longer than preanal one, postanal portion 2.5 times longer than anal one. Postabdominal claw (
<figureCitation id="13202A25FFFDFF91B84DF88AFF50AF25" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="5" pageNumber="306">Fig. 1O</figureCitation>
,
<figureCitation id="13202A25FFFDFF91BDEBF8E7FF01AF25" box="[201,234,1866,1893]" captionStart="FIGURE 5" captionStartId="9.[151,250,1330,1354]" captionTargetBox="[180,1400,614,1260]" captionTargetId="figure-198@9.[151,1436,597,1307]" captionTargetPageId="9" captionText="FIGURE 5. Biapertura affinis (Leydig, 1860) from Klein Vaal River, Transvaal Province, Republic of South Africa, adult male. A, lateral view. B, postabdomen. C, distal portion of postabdomen. D, antennule. E, copulatory hook of thoracic limb I. F, IDL of thoracic limb I." figureDoi="http://doi.org/10.5281/zenodo.4296635" httpUri="https://zenodo.org/record/4296635/files/figure.png" pageId="5" pageNumber="306">5C</figureCitation>
) weakly curved, shorter than in female, as long or slightly shorter than preanal margin. Basal spine about 0.25 length of claw. Thoracic limb I (
<figureCitation id="13202A25FFFDFF91BF1FF8C2FD77AFC9" box="[573,668,1903,1929]" captionStart="FIGURE 4" captionStartId="8.[151,250,1838,1862]" captionTargetBox="[170,1430,283,1808]" captionTargetId="figure-74@8.[151,1436,273,1815]" captionTargetPageId="8" captionText="FIGURE 4. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AL, thoracic limbs of adult parthenogenetic female. A, limb I. B, IDL and ODL of limb I. C. inner setae of endites 12 of limb I. D, limb II. E, exopodite of limb III. FG, inner and outer parts of inner portion of limb III. H, exopodite of limb IV. I, inner portion of limb IV. JK, limb V and its gnathobase filter plate. L, limb VI. M, copulatory hook and IDL of thoracic limb I of adult male. (AL, orig.; M, after Sinev et al., 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296633" httpUri="https://zenodo.org/record/4296633/files/figure.png" pageId="5" pageNumber="306">Fig. 4M</figureCitation>
,
<figureCitation id="13202A25FFFDFF91BF8AF8C3FD5FAFC9" box="[680,692,1902,1929]" captionStart="FIGURE 5" captionStartId="9.[151,250,1330,1354]" captionTargetBox="[180,1400,614,1260]" captionTargetId="figure-198@9.[151,1436,597,1307]" captionTargetPageId="9" captionText="FIGURE 5. Biapertura affinis (Leydig, 1860) from Klein Vaal River, Transvaal Province, Republic of South Africa, adult male. A, lateral view. B, postabdomen. C, distal portion of postabdomen. D, antennule. E, copulatory hook of thoracic limb I. F, IDL of thoracic limb I." figureDoi="http://doi.org/10.5281/zenodo.4296635" httpUri="https://zenodo.org/record/4296635/files/figure.png" pageId="5" pageNumber="306">5</figureCitation>
EF) with IDL seta 1 thin, about 1/2 length of IDL seta 2, located laterally. Anterior face of the limb under the copulatory brush with row of 58 stiff setulae of moderate length; outer face of endite 3 with row of 58 shorter setulae; there is a wide gap between these two rows.
</paragraph>
</subSubSection>
<subSubSection id="C301652BFFFDFF9DBDE5F877FC6BAA7D" lastPageId="9" lastPageNumber="310" pageId="5" pageNumber="306" type="description">
<paragraph id="8BA436A0FFFDFF92BDE5F877FEEBA95C" blockId="5.[151,1437,570,2037]" lastBlockId="6.[151,1437,150,284]" lastPageId="6" lastPageNumber="307" pageId="5" pageNumber="306">
<emphasis id="B96FEAB2FFFDFF91BDE5F877FBDCAFB4" bold="true" box="[199,1079,2010,2037]" pageId="5" pageNumber="306">Description of dorsal pores and thoracic limbs of parthenogenetic female.</emphasis>
<emphasis id="B96FEAB2FFFDFF91B91DF876FADAAFB4" box="[1087,1329,2011,2037]" italics="true" pageId="5" pageNumber="306">Posterior dorsal pore</emphasis>
(
<figureCitation id="13202A25FFFDFF91B863F876FA7CAFB5" box="[1345,1431,2011,2037]" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="5" pageNumber="306">Fig. 1E</figureCitation>
,
<figureCitation id="13202A25FFFEFF92BDB5FF3BFF48A8F0" box="[151,163,150,176]" captionStart="FIGURE 3" captionStartId="7.[151,250,878,902]" captionTargetBox="[151,1436,201,855]" captionTargetId="figure-15@7.[151,1436,201,855]" captionTargetPageId="7" captionText="FIGURE 3. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia, parthenogenetic female.AB, head pores. CE, posterior dorsal pores." figureDoi="http://doi.org/10.5281/zenodo.4296631" httpUri="https://zenodo.org/record/4296631/files/figure.png" pageId="6" pageNumber="307">3</figureCitation>
AE) as elongated longitudinal depression at the dorsal midline of carapace, of about
<quantity id="4CE39B45FFFEFF92B95EFF3BFB2CA8F1" box="[1148,1223,150,177]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="307" unit="mm" value="10.0">10 µm</quantity>
length in adults; a small gland-like structure under it beneath the cuticle (
<figureCitation id="13202A25FFFEFF92BFDAFF17FCA6A894" box="[760,845,186,212]" captionStart="FIGURE 1" captionStartId="4.[151,250,1756,1780]" captionTargetBox="[158,1423,186,1709]" captionTargetId="figure-31@4.[147,1439,181,1732]" captionTargetPageId="4" captionText="FIGURE 1. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia.AK, adult parthenogenetic female. A, lateral view. BC, posteroventral angle of valves. D, head shield. E, head pores. F, labrum. G, postabdomen. H, postanal margin of postabdomen. I, postabdominal claw. J, antennule. K, antenna. L, ephippial female. MO, adult male. M, lateral view. N, postabdomen. O, postabdominal claw. (AL, orig.; MO, after Sinev et al. 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296627" httpUri="https://zenodo.org/record/4296627/files/figure.png" pageId="6" pageNumber="307">Fig. 1E</figureCitation>
). SEM examination reveals two very small apertures located at the middle of the posterior dorsal pore (
<figureCitation id="13202A25FFFEFF92BFE3FF73FCEAA8B8" box="[705,769,222,248]" captionStart="FIGURE 3" captionStartId="7.[151,250,878,902]" captionTargetBox="[151,1436,201,855]" captionTargetId="figure-15@7.[151,1436,201,855]" captionTargetPageId="7" captionText="FIGURE 3. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia, parthenogenetic female.AB, head pores. CE, posterior dorsal pores." figureDoi="http://doi.org/10.5281/zenodo.4296631" httpUri="https://zenodo.org/record/4296631/files/figure.png" pageId="6" pageNumber="307">Fig. 3</figureCitation>
DE), one before another in some specimens, on same level in others.
</paragraph>
<caption id="DF646628FFFEFF92BDB5F821FF07AFAC" ID-DOI="http://doi.org/10.5281/zenodo.4296629" ID-Zenodo-Dep="4296629" httpUri="https://zenodo.org/record/4296629/files/figure.png" pageId="6" pageNumber="307" startId="6.[151,250,1932,1956]" targetBox="[151,1436,308,1908]" targetPageId="6">
<paragraph id="8BA436A0FFFEFF92BDB5F821FF07AFAC" blockId="6.[151,1437,1932,2028]" pageId="6" pageNumber="307">
<emphasis id="B96FEAB2FFFEFF92BDB5F821FEFDAFE4" bold="true" box="[151,278,1932,1956]" pageId="6" pageNumber="307">FIGURE 2.</emphasis>
<taxonomicName id="4C1B4D23FFFEFF92BC3DF820FD92AFE4" authority="(Leydig, 1860)" baseAuthorityName="Leydig" baseAuthorityYear="1860" box="[287,633,1932,1956]" class="Branchiopoda" family="Chydoridae" genus="Biapertura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="6" pageNumber="307" phylum="Arthropoda" rank="species" species="affinis">
<emphasis id="B96FEAB2FFFEFF92BC3DF820FE3DAFE4" box="[287,470,1932,1956]" italics="true" pageId="6" pageNumber="307">Biapertura affinis</emphasis>
(
<bibRefCitation id="EF8A4B51FFFEFF92BCC4F821FD99AFE4" author="Leydig, F." box="[486,626,1932,1956]" pageId="6" pageNumber="307" refId="ref19885" refString="Leydig, F. (1860) Naturgeschichte der Daphniden. H. Lauppsche Buchhandlung, Laupp &amp; Siebeck, Tubingen, 252 pp." type="book" year="1860">Leydig, 1860</bibRefCitation>
)
</taxonomicName>
from Glubokoe Lake, Moscow Area, Russia. AB, lateral view. C, dorsolateral view. D, dorsal view. E, ventral view. F, frontal view. G, ventral part of valve. H, postabdomen. I, postabdominal claw. J, antenna.
</paragraph>
</caption>
<caption id="DF646628FFFFFF93BDB5FCC3FE1CABEA" ID-DOI="http://doi.org/10.5281/zenodo.4296631" ID-Zenodo-Dep="4296631" httpUri="https://zenodo.org/record/4296631/files/figure.png" pageId="7" pageNumber="308" startId="7.[151,250,878,902]" targetBox="[151,1436,201,855]" targetPageId="7">
<paragraph id="8BA436A0FFFFFF93BDB5FCC3FE1CABEA" blockId="7.[151,1436,878,939]" pageId="7" pageNumber="308">
<emphasis id="B96FEAB2FFFFFF93BDB5FCC3FEF9ABC6" bold="true" box="[151,274,878,902]" pageId="7" pageNumber="308">FIGURE 3.</emphasis>
<taxonomicName id="4C1B4D23FFFFFF93BC3AFCC2FD81ABC6" authority="(Leydig, 1860)" baseAuthorityName="Leydig" baseAuthorityYear="1860" box="[280,618,878,903]" class="Branchiopoda" family="Chydoridae" genus="Biapertura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="7" pageNumber="308" phylum="Arthropoda" rank="species" species="affinis">
<emphasis id="B96FEAB2FFFFFF93BC3AFCC2FE26ABC7" box="[280,461,879,903]" italics="true" pageId="7" pageNumber="308">Biapertura affinis</emphasis>
(
<bibRefCitation id="EF8A4B51FFFFFF93BCF8FCC3FD88ABC6" author="Leydig, F." box="[474,611,878,902]" pageId="7" pageNumber="308" refId="ref19885" refString="Leydig, F. (1860) Naturgeschichte der Daphniden. H. Lauppsche Buchhandlung, Laupp &amp; Siebeck, Tubingen, 252 pp." type="book" year="1860">Leydig, 1860</bibRefCitation>
)
</taxonomicName>
from Glubokoe Lake, Moscow Area, Russia, parthenogenetic female. AB, head pores. CE, posterior dorsal pores.
</paragraph>
</caption>
<paragraph id="8BA436A0FFFFFF93BDEDFC74FC96AD77" blockId="7.[151,1437,985,2019]" pageId="7" pageNumber="308">
<emphasis id="B96FEAB2FFFFFF93BDEDFC74FEF1ABB3" box="[207,282,985,1011]" italics="true" pageId="7" pageNumber="308">Limb I</emphasis>
of moderate size (
<figureCitation id="13202A25FFFFFF93BCCCFC74FD88ABB3" box="[494,611,985,1011]" captionStart="FIGURE 4" captionStartId="8.[151,250,1838,1862]" captionTargetBox="[170,1430,283,1808]" captionTargetId="figure-74@8.[151,1436,273,1815]" captionTargetPageId="8" captionText="FIGURE 4. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AL, thoracic limbs of adult parthenogenetic female. A, limb I. B, IDL and ODL of limb I. C. inner setae of endites 12 of limb I. D, limb II. E, exopodite of limb III. FG, inner and outer parts of inner portion of limb III. H, exopodite of limb IV. I, inner portion of limb IV. JK, limb V and its gnathobase filter plate. L, limb VI. M, copulatory hook and IDL of thoracic limb I of adult male. (AL, orig.; M, after Sinev et al., 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296633" httpUri="https://zenodo.org/record/4296633/files/figure.png" pageId="7" pageNumber="308">Fig. 4A,B</figureCitation>
). Epipodite oval, without a projection. Accessory seta long, only slightly shorter than ODL seta, with long setulae in distal part. ODL with one seta. IDL with three setae and several clusters of hard setules. IDL seta 1 large and broad, claw-like, strongly curved, slightly longer than seta 2; IDL setae 2 and 3 with thin setulae in distal part; seta 3 slightly shorter than ODL seta; seta 2 about 2/3 the length of seta 3. Endite 3 with four setae subequal in length. Endite 2 with two long distally setulated setae (ef), a shorter seta near their base (d) and a naked inner seta (2), and small sensillum on anterior face of limb; seta e long, two times longer than seta f, about 2/3 lengths of limb itself. Endite 1 with two 2-segmented setae (gh), both setulated in distal part, a flat plumose seta pointed the limb base, and a naked inner seta (3). Inner seta 3 two times longer than inner seta 2. Seveneight rows of thin long setulae on ventral face of limb. Two ejector hooks, one slightly shorter than other. Maxillar process elongated, with short setulated seta in distal part.
</paragraph>
<paragraph id="8BA436A0FFFFFF93BDE5FAECFEF1ADAB" blockId="7.[151,1437,985,2019]" pageId="7" pageNumber="308">
<emphasis id="B96FEAB2FFFFFF93BDE5FAECFEF1AD1B" box="[199,282,1345,1371]" italics="true" pageId="7" pageNumber="308">Limb II</emphasis>
subtriangular (
<figureCitation id="13202A25FFFFFF93BCE1FAECFDF5AD1B" box="[451,542,1345,1371]" captionStart="FIGURE 4" captionStartId="8.[151,250,1838,1862]" captionTargetBox="[170,1430,283,1808]" captionTargetId="figure-74@8.[151,1436,273,1815]" captionTargetPageId="8" captionText="FIGURE 4. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AL, thoracic limbs of adult parthenogenetic female. A, limb I. B, IDL and ODL of limb I. C. inner setae of endites 12 of limb I. D, limb II. E, exopodite of limb III. FG, inner and outer parts of inner portion of limb III. H, exopodite of limb IV. I, inner portion of limb IV. JK, limb V and its gnathobase filter plate. L, limb VI. M, copulatory hook and IDL of thoracic limb I of adult male. (AL, orig.; M, after Sinev et al., 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296633" httpUri="https://zenodo.org/record/4296633/files/figure.png" pageId="7" pageNumber="308">Fig. 4D</figureCitation>
). Exopodite elongated, of irregular shape, with slender seta as long as exopodite itself and cluster of very long setulae in distal part. Eight scraping spines, three basalmost spines subequal in length, others increasing in length distally. Size of denticles on basal part of spines decreasing from basal to distal spines. Distal armature of gnathobase with four elements. Filter plate II with seven setae, the posteriormost member shorter than others.
</paragraph>
<paragraph id="8BA436A0FFFFFF93BDE5FA58FD44AF6F" blockId="7.[151,1437,985,2019]" pageId="7" pageNumber="308">
<emphasis id="B96FEAB2FFFFFF93BDE5FA58FECEAE4F" box="[199,293,1525,1551]" italics="true" pageId="7" pageNumber="308">Limb III</emphasis>
(
<figureCitation id="13202A25FFFFFF93BC17FA58FE93AE4F" box="[309,376,1525,1551]" captionStart="FIGURE 4" captionStartId="8.[151,250,1838,1862]" captionTargetBox="[170,1430,283,1808]" captionTargetId="figure-74@8.[151,1436,273,1815]" captionTargetPageId="8" captionText="FIGURE 4. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AL, thoracic limbs of adult parthenogenetic female. A, limb I. B, IDL and ODL of limb I. C. inner setae of endites 12 of limb I. D, limb II. E, exopodite of limb III. FG, inner and outer parts of inner portion of limb III. H, exopodite of limb IV. I, inner portion of limb IV. JK, limb V and its gnathobase filter plate. L, limb VI. M, copulatory hook and IDL of thoracic limb I of adult male. (AL, orig.; M, after Sinev et al., 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296633" httpUri="https://zenodo.org/record/4296633/files/figure.png" pageId="7" pageNumber="308">Fig. 4</figureCitation>
E-G). Epipodite oval, without projection. Exopodite of irregular shape, with seven setae. Seta 3 being longest, setae 6 about 1/2 length of seta 3, seta 7 two times shorter than seta 6, other setae very short. Setae 15 plumose, seta 6 with three rows of hard setulae in distal part, seta 7 with thin short setulae in distal portion. Distal endite with 3 setae evenly decreasing in size basally, two distalmost members (12) scraping, slender, sharp, with denticles in distal part; short bottle-shaped sensillum located between their bases; seta 3 flattened, bilaterally armed with long setulae. Basal endite with 4 plumose setae increasing in size basally. Four pointed soft setae increasing in size basally, a small bottle-shaped sensillum near the distalmost seta. Distal armature of gnathobase with four elements; the first one elongated, narrowing distally sensillum, second strongly geniculated seta, third and fourth—spines. Filter plate III with seven setae.
</paragraph>
<paragraph id="8BA436A0FFFFFF9CBDE5F894FD8BA8B9" blockId="7.[151,1437,985,2019]" lastBlockId="8.[151,1436,151,249]" lastPageId="8" lastPageNumber="309" pageId="7" pageNumber="308">
<emphasis id="B96FEAB2FFFFFF93BDE5F894FECDAF13" box="[199,294,1849,1875]" italics="true" pageId="7" pageNumber="308">Limb IV</emphasis>
(
<figureCitation id="13202A25FFFFFF93BC1BF894FE5BAF13" box="[313,432,1849,1875]" captionStart="FIGURE 4" captionStartId="8.[151,250,1838,1862]" captionTargetBox="[170,1430,283,1808]" captionTargetId="figure-74@8.[151,1436,273,1815]" captionTargetPageId="8" captionText="FIGURE 4. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AL, thoracic limbs of adult parthenogenetic female. A, limb I. B, IDL and ODL of limb I. C. inner setae of endites 12 of limb I. D, limb II. E, exopodite of limb III. FG, inner and outer parts of inner portion of limb III. H, exopodite of limb IV. I, inner portion of limb IV. JK, limb V and its gnathobase filter plate. L, limb VI. M, copulatory hook and IDL of thoracic limb I of adult male. (AL, orig.; M, after Sinev et al., 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296633" httpUri="https://zenodo.org/record/4296633/files/figure.png" pageId="7" pageNumber="308">Fig. 4H, I</figureCitation>
). Pre-epipodite setulated; epipodite oval, with projection shorter than exopodite itself. Exopodite subquadrangular, with six setae. Seta 1 and 2 being longest, equal in length; seta 3 slightly shorter, seta 4 about 2/3 length of seta 1, bending toward inner portion of limb; setae 56 subequal in length, slightly shorter than seta 4. Setae 14 plumose, setae 56 with very short thin setulae in distal portion. Inner portion of limb IV with four setae and bottle-shaped sensillum. Scraping seta (1) slender, three flaming-torch seta decreasing in size basally, with 79 long setulae each. Small sensillum between the base of middle and basal flaming-torch setae. Three soft setae slightly increasing in size basally. Gnathobase with one long 2-segmented setae, a small hillock distally and a sensillum. Filter plate IV with five setae.
</paragraph>
<caption id="DF646628FFF0FF9CBDB5F883FEB9AF97" ID-DOI="http://doi.org/10.5281/zenodo.4296633" ID-Zenodo-Dep="4296633" httpUri="https://zenodo.org/record/4296633/files/figure.png" pageId="8" pageNumber="309" startId="8.[151,250,1838,1862]" targetBox="[170,1430,283,1808]" targetPageId="8">
<paragraph id="8BA436A0FFF0FF9CBDB5F883FEB9AF97" blockId="8.[151,1436,1838,2007]" pageId="8" pageNumber="309">
<emphasis id="B96FEAB2FFF0FF9CBDB5F883FEFFAF06" bold="true" box="[151,276,1838,1862]" pageId="8" pageNumber="309">FIGURE 4.</emphasis>
<taxonomicName id="4C1B4D23FFF0FF9CBC39F882FD9AAF06" authority="(Leydig, 1860)" baseAuthorityName="Leydig" baseAuthorityYear="1860" box="[283,625,1838,1862]" class="Branchiopoda" family="Chydoridae" genus="Biapertura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="8" pageNumber="309" phylum="Arthropoda" rank="species" species="affinis">
<emphasis id="B96FEAB2FFF0FF9CBC39F882FE3AAF06" box="[283,465,1838,1862]" italics="true" pageId="8" pageNumber="309">Biapertura affinis</emphasis>
(
<bibRefCitation id="EF8A4B51FFF0FF9CBCC2F883FD81AF06" author="Leydig, F." box="[480,618,1838,1862]" pageId="8" pageNumber="309" refId="ref19885" refString="Leydig, F. (1860) Naturgeschichte der Daphniden. H. Lauppsche Buchhandlung, Laupp &amp; Siebeck, Tubingen, 252 pp." type="book" year="1860">Leydig, 1860</bibRefCitation>
)
</taxonomicName>
from Glubokoe Lake, Moscow Area, Russia. AL, thoracic limbs of adult parthenogenetic female. A, limb I. B, IDL and ODL of limb I. C. inner setae of endites 12 of limb I. D, limb II. E, exopodite of limb III. FG, inner and outer parts of inner portion of limb III. H, exopodite of limb IV. I, inner portion of limb IV. JK, limb V and its gnathobase filter plate. L, limb VI. M, copulatory hook and IDL of thoracic limb I of adult male. (AL, orig.; M, after
<bibRefCitation id="EF8A4B51FFF0FF9CBDB5F813FEA0AF97" author="Sinev, A. Y. &amp; Karabanov, D. P. &amp; Kotov, A. A." box="[151,331,1982,2007]" pageId="8" pageNumber="309" pagination="115 - 137" refId="ref21185" refString="Sinev, A. Y., Karabanov, D. P. &amp; Kotov, A. A. (2020) A new North Eurasian species of the Alona affinis complex (Cladocera: Chydoridae). Zootaxa, 4767 (1), 115 - 137. https: // doi. org / 10.11646 / zootaxa. 4767.1.5" type="journal article" year="2020">
Sinev
<emphasis id="B96FEAB2FFF0FF9CBDF5F812FEEFAF96" box="[215,260,1982,2006]" italics="true" pageId="8" pageNumber="309">et al</emphasis>
., 2020
</bibRefCitation>
)
</paragraph>
</caption>
<paragraph id="8BA436A0FFF1FF9DBDE5FF16FB8FA925" blockId="9.[151,1437,187,573]" pageId="9" pageNumber="310">
<emphasis id="B96FEAB2FFF1FF9DBDE5FF16FEF2A894" box="[199,281,187,213]" italics="true" pageId="9" pageNumber="310">Limb V</emphasis>
(
<figureCitation id="13202A25FFF1FF9DBC0AFF16FE77A895" box="[296,412,187,213]" captionStart="FIGURE 4" captionStartId="8.[151,250,1838,1862]" captionTargetBox="[170,1430,283,1808]" captionTargetId="figure-74@8.[151,1436,273,1815]" captionTargetPageId="8" captionText="FIGURE 4. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AL, thoracic limbs of adult parthenogenetic female. A, limb I. B, IDL and ODL of limb I. C. inner setae of endites 12 of limb I. D, limb II. E, exopodite of limb III. FG, inner and outer parts of inner portion of limb III. H, exopodite of limb IV. I, inner portion of limb IV. JK, limb V and its gnathobase filter plate. L, limb VI. M, copulatory hook and IDL of thoracic limb I of adult male. (AL, orig.; M, after Sinev et al., 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296633" httpUri="https://zenodo.org/record/4296633/files/figure.png" pageId="9" pageNumber="310">Fig. 4J, K</figureCitation>
). Pre-epipodite setulated; epipodite oval, with projection as long as epipodite itself. Exopodite divided into two lobes, with four plumose setae: setae 13 long, evenly decreasing in size, seta 4 four times shorter than seta 1. Inner lobe broad, rounded with setulated inner margin. At inner face, two setae densely setulated in distal part, one of them very long, as long as exopodite seta 1, the other two times shorter. Filter plate V with three setae, two broad-based sensilla-like structures between inner face setae and filter plate.
</paragraph>
<paragraph id="8BA436A0FFF1FF9DBDE5FEC2FC7BA9C9" blockId="9.[151,1437,187,573]" box="[199,912,367,393]" pageId="9" pageNumber="310">
<emphasis id="B96FEAB2FFF1FF9DBDE5FEC2FEC9A9C8" box="[199,290,367,393]" italics="true" pageId="9" pageNumber="310">Limb VI</emphasis>
(
<figureCitation id="13202A25FFF1FF9DBC10FEC2FE6DA9C9" box="[306,390,367,393]" captionStart="FIGURE 4" captionStartId="8.[151,250,1838,1862]" captionTargetBox="[170,1430,283,1808]" captionTargetId="figure-74@8.[151,1436,273,1815]" captionTargetPageId="8" captionText="FIGURE 4. Biapertura affinis (Leydig, 1860) from Glubokoe Lake, Moscow Area, Russia. AL, thoracic limbs of adult parthenogenetic female. A, limb I. B, IDL and ODL of limb I. C. inner setae of endites 12 of limb I. D, limb II. E, exopodite of limb III. FG, inner and outer parts of inner portion of limb III. H, exopodite of limb IV. I, inner portion of limb IV. JK, limb V and its gnathobase filter plate. L, limb VI. M, copulatory hook and IDL of thoracic limb I of adult male. (AL, orig.; M, after Sinev et al., 2020)" figureDoi="http://doi.org/10.5281/zenodo.4296633" httpUri="https://zenodo.org/record/4296633/files/figure.png" pageId="9" pageNumber="310">Fig. 4L</figureCitation>
) as elongated oval lobe with setulated margin.
</paragraph>
<paragraph id="8BA436A0FFF1FF9DBDE5FE3EFC6BAA7D" blockId="9.[151,1437,187,573]" pageId="9" pageNumber="310">
<emphasis id="B96FEAB2FFF1FF9DBDE5FE3EFD95A9EC" bold="true" box="[199,638,402,429]" pageId="9" pageNumber="310">Notes on South African populations.</emphasis>
Morphology of studied females from South African populations fully agrees with the previous data (see
<bibRefCitation id="EF8A4B51FFF1FF9DBF34FE1AFD72A991" author="Sinev, A. Y." box="[534,665,439,465]" pageId="9" pageNumber="310" pagination="41 - 54" refId="ref20541" refString="Sinev, A. Y. (2009) Cladocerans of the Alona affinis (Leydig, 1860) group from South Africa. Zootaxa, 1990 (1), 41 - 54. https: // doi. org / 10.11646 / zootaxa. 1990.1.3" type="journal article" year="2009">Sinev 2009</bibRefCitation>
), and did not differ in any details rom that of Palaearctic populations. Morphology of males from South African populations was studied for the first time; it fully agrees with that of Palaearctic populations (
<figureCitation id="13202A25FFF1FF9DBC8CFE52FE1AAA59" box="[430,497,510,537]" captionStart="FIGURE 5" captionStartId="9.[151,250,1330,1354]" captionTargetBox="[180,1400,614,1260]" captionTargetId="figure-198@9.[151,1436,597,1307]" captionTargetPageId="9" captionText="FIGURE 5. Biapertura affinis (Leydig, 1860) from Klein Vaal River, Transvaal Province, Republic of South Africa, adult male. A, lateral view. B, postabdomen. C, distal portion of postabdomen. D, antennule. E, copulatory hook of thoracic limb I. F, IDL of thoracic limb I." figureDoi="http://doi.org/10.5281/zenodo.4296635" httpUri="https://zenodo.org/record/4296635/files/figure.png" pageId="9" pageNumber="310">Fig. 5</figureCitation>
AF). Length of males from South African populations was
<quantity id="4CE39B45FFF1FF9DB981FE52FAA2AA59" box="[1187,1353,511,537]" metricMagnitude="-4" metricUnit="m" metricValue="6.6" metricValueMax="6.8999999999999995" metricValueMin="6.3" pageId="9" pageNumber="310" unit="mm" value="0.6599999999999999" valueMax="0.69" valueMin="0.63">0.630.69 mm</quantity>
, height
<quantity id="4CE39B45FFF1FF9DBDB5FD8FFED7AA7D" box="[151,316,546,573]" metricMagnitude="-4" metricUnit="m" metricValue="3.7" metricValueMax="3.9" metricValueMin="3.5" pageId="9" pageNumber="310" unit="mm" value="0.37" valueMax="0.39" valueMin="0.35">0.350.39 mm</quantity>
, within the range of size of Palaearctic populations.
</paragraph>
</subSubSection>
<caption id="DF646628FFF1FF9DBDB5FA9FFEA5ADD2" ID-DOI="http://doi.org/10.5281/zenodo.4296635" ID-Zenodo-Dep="4296635" httpUri="https://zenodo.org/record/4296635/files/figure.png" pageId="9" pageNumber="310" startId="9.[151,250,1330,1354]" targetBox="[180,1400,614,1260]" targetPageId="9">
<paragraph id="8BA436A0FFF1FF9DBDB5FA9FFEA5ADD2" blockId="9.[151,1437,1330,1427]" pageId="9" pageNumber="310">
<emphasis id="B96FEAB2FFF1FF9DBDB5FA9FFEF9AD0B" bold="true" box="[151,274,1330,1355]" pageId="9" pageNumber="310">FIGURE 5.</emphasis>
<taxonomicName id="4C1B4D23FFF1FF9DBC3AFA9EFD83AD0B" authority="(Leydig, 1860)" baseAuthorityName="Leydig" baseAuthorityYear="1860" box="[280,616,1331,1355]" class="Branchiopoda" family="Chydoridae" genus="Biapertura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="affinis">
<emphasis id="B96FEAB2FFF1FF9DBC3AFA9EFE20AD0B" box="[280,459,1331,1355]" italics="true" pageId="9" pageNumber="310">Biapertura affinis</emphasis>
(
<bibRefCitation id="EF8A4B51FFF1FF9DBCFAFA9EFD8AAD0B" author="Leydig, F." box="[472,609,1331,1355]" pageId="9" pageNumber="310" refId="ref19885" refString="Leydig, F. (1860) Naturgeschichte der Daphniden. H. Lauppsche Buchhandlung, Laupp &amp; Siebeck, Tubingen, 252 pp." type="book" year="1860">Leydig, 1860</bibRefCitation>
)
</taxonomicName>
from Klein Vaal River, Transvaal Province, Republic of South Africa, adult male. A, lateral view. B, postabdomen. C, distal portion of postabdomen. D, antennule. E, copulatory hook of thoracic limb I. F, IDL of thoracic limb I.
</paragraph>
</caption>
<subSubSection id="C301652BFFF1FF9DBDEDFA6CFDE6AE2B" pageId="9" pageNumber="310" type="diagnosis">
<paragraph id="8BA436A0FFF1FF9DBDEDFA6CFDE6AE2B" blockId="9.[151,1437,1473,1967]" pageId="9" pageNumber="310">
<emphasis id="B96FEAB2FFF1FF9DBDEDFA6CFE3DAD9B" bold="true" box="[207,470,1473,1499]" pageId="9" pageNumber="310">Differential diagnosis.</emphasis>
<taxonomicName id="4C1B4D23FFF1FF9DBCFFFA6FFDA8AD9B" baseAuthorityName="Leydig" baseAuthorityYear="1860" box="[477,579,1473,1499]" class="Branchiopoda" family="Chydoridae" genus="Biapertura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="affinis">
<emphasis id="B96FEAB2FFF1FF9DBCFFFA6FFDA8AD9B" box="[477,579,1473,1499]" italics="true" pageId="9" pageNumber="310">B. affinis</emphasis>
</taxonomicName>
differs from
<taxonomicName id="4C1B4D23FFF1FF9DBFFBFA6FFCD4AD9B" authorityName="Birge" authorityYear="1892" box="[729,831,1473,1499]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="lepida">
<emphasis id="B96FEAB2FFF1FF9DBFFBFA6FFCD4AD9B" box="[729,831,1473,1499]" italics="true" pageId="9" pageNumber="310">B. lepida</emphasis>
</taxonomicName>
in a claw-like IDL seta I, from
<taxonomicName id="4C1B4D23FFF1FF9DB984FA6FFACCAD9B" authorityName="Sinev" authorityYear="2009" box="[1190,1319,1474,1499]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="martensi">
<emphasis id="B96FEAB2FFF1FF9DB984FA6FFACCAD9B" box="[1190,1319,1474,1499]" italics="true" pageId="9" pageNumber="310">B. martensi</emphasis>
</taxonomicName>
and
<taxonomicName id="4C1B4D23FFF1FF9DB87DFA6FFF34ADBF" authorityName="Sinev" authorityYear="1997" class="Branchiopoda" family="Chydoridae" genus="Biapertura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="elliptica">
<emphasis id="B96FEAB2FFF1FF9DB87DFA6FFF34ADBF" italics="true" pageId="9" pageNumber="310">B. elliptica</emphasis>
</taxonomicName>
in female postabdomen with parallel margins, from
<taxonomicName id="4C1B4D23FFF1FF9DBE0FFA4BFC49ADBF" authorityName="Sinev, Karabanov &amp; Kotov" authorityYear="2020" box="[813,930,1509,1535]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="sibirica">
<emphasis id="B96FEAB2FFF1FF9DBE0FFA4BFC49ADBF" box="[813,930,1509,1535]" italics="true" pageId="9" pageNumber="310">B. sibirica</emphasis>
</taxonomicName>
in the absence of denticles on posteroventral margin of valves, and from
<taxonomicName id="4C1B4D23FFF1FF9DBCE9F9A7FD9FAE63" authorityName="Henry" authorityYear="1919" box="[459,628,1545,1571]" class="Branchiopoda" family="Chydoridae" genus="Biapertura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="kendallensis">
<emphasis id="B96FEAB2FFF1FF9DBCE9F9A7FD9FAE63" box="[459,628,1545,1571]" italics="true" pageId="9" pageNumber="310">B. kendallensis</emphasis>
</taxonomicName>
in smaller IP/PP ratio. It differs from
<taxonomicName id="4C1B4D23FFF1FF9DB938F9A7FB63AE63" authorityName="Sinev" authorityYear="1998" box="[1050,1160,1546,1571]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="ossiani">
<emphasis id="B96FEAB2FFF1FF9DB938F9A7FB63AE63" box="[1050,1160,1546,1571]" italics="true" pageId="9" pageNumber="310">B. ossiani</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1B4D23FFF1FF9DB9B4F9A7FAE1AE63" authorityName="Sinev, Karabanov &amp; Kotov" authorityYear="2020" box="[1174,1290,1545,1571]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="sibirica">
<emphasis id="B96FEAB2FFF1FF9DB9B4F9A7FAE1AE63" box="[1174,1290,1545,1571]" italics="true" pageId="9" pageNumber="310">B. sibirica</emphasis>
</taxonomicName>
and
<taxonomicName id="4C1B4D23FFF1FF9DB81DF9A7FF06AE07" authorityName="Henry" authorityYear="1919" class="Branchiopoda" family="Chydoridae" genus="Biapertura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="kendallensis">
<emphasis id="B96FEAB2FFF1FF9DB81DF9A7FF06AE07" italics="true" pageId="9" pageNumber="310">B. kendallensis</emphasis>
</taxonomicName>
in shape of male postabdomen, with a right ventrodistal angle, and in IDL of male thoracic limb I with seta 1 being thin and located laterally.
</paragraph>
</subSubSection>
<subSubSection id="C301652BFFF1FF9DBDE5F9D8FE4EAFEF" pageId="9" pageNumber="310" type="distribution">
<paragraph id="8BA436A0FFF1FF9DBDE5F9D8FE4EAFEF" blockId="9.[151,1437,1473,1967]" pageId="9" pageNumber="310">
<emphasis id="B96FEAB2FFF1FF9DBDE5F9D8FE1EAECF" bold="true" box="[199,501,1653,1679]" pageId="9" pageNumber="310">Distribution and ecology.</emphasis>
<taxonomicName id="4C1B4D23FFF1FF9DBCDFF9DBFD88AECF" baseAuthorityName="Leydig" baseAuthorityYear="1860" box="[509,611,1653,1679]" class="Branchiopoda" family="Chydoridae" genus="Biapertura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="affinis">
<emphasis id="B96FEAB2FFF1FF9DBCDFF9DBFD88AECF" box="[509,611,1653,1679]" italics="true" pageId="9" pageNumber="310">B. affinis</emphasis>
</taxonomicName>
is distributed in the whole Palaearctic region, from
<collectingCountry id="F30C7630FFF1FF9DB991F9D8FAEEAECF" box="[1203,1285,1653,1679]" name="Iceland" pageId="9" pageNumber="310">Iceland</collectingCountry>
and
<collectingCountry id="F30C7630FFF1FF9DB81DF9D8FA94AECF" box="[1343,1407,1653,1679]" name="Spain" pageId="9" pageNumber="310">Spain</collectingCountry>
to Kamchatka peninsula and
<collectingCountry id="F30C7630FFF1FF9DBC9FF934FDEBAEF3" box="[445,512,1689,1715]" name="Japan" pageId="9" pageNumber="310">Japan</collectingCountry>
; rather rare in West Siberia and Yakutia, areas of primary distribution of
<emphasis id="B96FEAB2FFF1FF9DB800F937FA77AEF3" box="[1314,1436,1689,1715]" italics="true" pageId="9" pageNumber="310">
<taxonomicName id="4C1B4D23FFF1FF9DB800F937FA73AEF3" authorityName="Sinev, Karabanov &amp; Kotov" authorityYear="2020" box="[1314,1432,1689,1715]" class="Branchiopoda" family="Chydoridae" genus="Alona" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="sibirica">B. sibirica</taxonomicName>
,
</emphasis>
common in other regions (
<bibRefCitation id="EF8A4B51FFF1FF9DBCE7F910FD79AE97" author="Sinev, A. Y. &amp; Karabanov, D. P. &amp; Kotov, A. A." box="[453,658,1725,1751]" pageId="9" pageNumber="310" pagination="115 - 137" refId="ref21185" refString="Sinev, A. Y., Karabanov, D. P. &amp; Kotov, A. A. (2020) A new North Eurasian species of the Alona affinis complex (Cladocera: Chydoridae). Zootaxa, 4767 (1), 115 - 137. https: // doi. org / 10.11646 / zootaxa. 4767.1.5" type="journal article" year="2020">
Sinev
<emphasis id="B96FEAB2FFF1FF9DBF2DF913FDAAAE97" box="[527,577,1725,1751]" italics="true" pageId="9" pageNumber="310">et al</emphasis>
., 2020
</bibRefCitation>
).
<taxonomicName id="4C1B4D23FFF1FF9DBF8BF913FCE4AE97" baseAuthorityName="Leydig" baseAuthorityYear="1860" box="[681,783,1725,1751]" class="Branchiopoda" family="Chydoridae" genus="Biapertura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="affinis">
<emphasis id="B96FEAB2FFF1FF9DBF8BF913FCE4AE97" box="[681,783,1725,1751]" italics="true" pageId="9" pageNumber="310">B. affinis</emphasis>
</taxonomicName>
is also recorded from
<collectingCountry id="F30C7630FFF1FF9DB930F910FB4EAE97" box="[1042,1189,1725,1751]" name="South Africa" pageId="9" pageNumber="310">South Africa</collectingCountry>
. Records of
<taxonomicName id="4C1B4D23FFF1FF9DB814F913FA77AE97" baseAuthorityName="Leydig" baseAuthorityYear="1860" box="[1334,1436,1725,1751]" class="Branchiopoda" family="Chydoridae" genus="Biapertura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="affinis">
<emphasis id="B96FEAB2FFF1FF9DB814F913FA77AE97" box="[1334,1436,1725,1751]" italics="true" pageId="9" pageNumber="310">B. affinis</emphasis>
</taxonomicName>
from Afrotropical and Oriental region lack detailed description and should be re-evaluated (
<bibRefCitation id="EF8A4B51FFF1FF9DB9B9F94CFAF4AEBB" author="Sinev, A. Y." box="[1179,1311,1761,1787]" pageId="9" pageNumber="310" pagination="41 - 54" refId="ref20541" refString="Sinev, A. Y. (2009) Cladocerans of the Alona affinis (Leydig, 1860) group from South Africa. Zootaxa, 1990 (1), 41 - 54. https: // doi. org / 10.11646 / zootaxa. 1990.1.3" type="journal article" year="2009">Sinev 2009</bibRefCitation>
, 2016;
<bibRefCitation id="EF8A4B51FFF1FF9DB853F94CFE3DAF5F" author="Van Damme, K. &amp; Eggermont, H." pageId="9" pageNumber="310" pagination="57 - 100" refId="ref22194" refString="Van Damme, K. &amp; Eggermont, H. (2011) The Afromontane Cladocera (Crustacea: Branchiopoda) of the Rwenzori (Uganda- D. R. Congo): taxonomy, ecology and biogeography. Hydrobiologia, 676, 57 - 100. https: // doi. org / 10.1007 / s 10750 - 011 - 0892 - 0" type="journal article" year="2011">Van Damme &amp; Eggermont 2011</bibRefCitation>
).
<taxonomicName id="4C1B4D23FFF1FF9DBCC8F8ABFDBBAF5F" baseAuthorityName="Leydig" baseAuthorityYear="1860" box="[490,592,1797,1823]" class="Branchiopoda" family="Chydoridae" genus="Biapertura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="affinis">
<emphasis id="B96FEAB2FFF1FF9DBCC8F8ABFDBBAF5F" box="[490,592,1797,1823]" italics="true" pageId="9" pageNumber="310">B. affinis</emphasis>
</taxonomicName>
is an eurybiotic species living in littoral both in the bottom sediments and among vegetation. In Europe, reported from lakes, ponds, reservoirs, river floodplains in lowlands and mountains (up to the elevation of
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.a.s.l), at pH 4.010.2, calcium (Ca2+) concentrations
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L-
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, conductivity 542050 μS cm
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, salt water tolerant up to 5.25 ‰ (
<bibRefCitation id="EF8A4B51FFF1FF9DBE2CF8DCFBF1AFCC" author="Bledzki, L. A. &amp; Rybak, J. I." box="[782,1050,1905,1932]" pageId="9" pageNumber="310" refId="ref19050" refString="Bledzki, L. A. &amp; Rybak, J. I. (2016) Freshwater Crustacean Zooplankton of Europe: Cladocera &amp; Copepoda (Calanoida, Cyclopoida). Key to species identification, with notes on ecology, distribution, methods and introduction to data analysis. Springer International Publishing Cham, 918 pp. https: // doi. org / 10.1007 / 978 - 3 - 319 - 29871 - 9" type="book" year="2016">Bledzki &amp; Rybak 2016</bibRefCitation>
), encountered in hypogean waters (
<bibRefCitation id="EF8A4B51FFF1FF9DBDBDF838FE73AFEF" author="Brancelj, A. &amp; Sket, B." box="[159,408,1941,1967]" pageId="9" pageNumber="310" pagination="17 - 20" refId="ref19126" refString="Brancelj, A. &amp; Sket, B. (1990) Occurrence of Cladocera (Crustacea) in subterranean waters in Yugoslavia. Hydrobiologia, 199, 17 - 20. https: // doi. org / 10.1007 / BF 00007829" type="journal article" year="1990">Brancelj &amp; Sket 1990</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
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