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<mods:title id="48F8EF85C9E5539FA74DB86CA0868C4E">A new species of Acantholeberis (Crustacea, Branchiopoda) suggests an ancient geographic distribution of the genus in South America</mods:title>
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<mods:namePart id="490A5B560884433C0F66B7D12E9F8928">Sousa, Francisco Diogo R.</mods:namePart>
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<taxonomicName id="4C1064EBFFA9FF97FEDC75F8FB0CA1D4" authority="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityName="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityYear="2022" box="[366,1200,1467,1496]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="3" pageNumber="43" phylum="Arthropoda" rank="species" species="accolismaris" status="sp. nov.">
<emphasis id="B964C37AFFA9FF97FEDC75F8FD78A1DA" bold="true" box="[366,708,1467,1494]" italics="true" pageId="3" pageNumber="43">Acantholeberis accolismaris</emphasis>
Sousa, Elmoor-Loureiro &amp; Álvarez-Silva
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<figureCitation id="132B03EDFFA9FF97FCBF7643FCCFA217" box="[781,883,1536,1563]" captionStart-0="Fig" captionStart-1="Fig" captionStart-2="Fig" captionStart-3="Fig" captionStart-4="Fig" captionStart-5="Fig" captionStartId-0="5.[227,270,1791,1817]" captionStartId-1="6.[227,270,1824,1850]" captionStartId-2="7.[227,270,1927,1953]" captionStartId-3="8.[227,270,1895,1921]" captionStartId-4="9.[229,272,1893,1919]" captionStartId-5="10.[227,270,1859,1885]" captionTargetBox-0="[444,1225,309,1758]" captionTargetBox-1="[434,1231,309,1780]" captionTargetBox-2="[231,1433,1369,1882]" captionTargetBox-3="[281,1382,302,1856]" captionTargetBox-4="[227,1437,578,1855]" captionTargetBox-5="[290,1374,304,1834]" captionTargetId-0="figure-124@5.[431,1232,304,1762]" captionTargetId-1="figure-128@6.[430,1233,302,1793]" captionTargetId-2="figure-509@7.[227,1437,1362,1884]" captionTargetId-3="figure-76@8.[281,1382,302,1856]" captionTargetId-4="figure-192@9.[227,1437,578,1855]" captionTargetId-5="figure-100@10.[290,1374,304,1834]" captionTargetPageId-0="5" captionTargetPageId-1="6" captionTargetPageId-2="7" captionTargetPageId-3="8" captionTargetPageId-4="9" captionTargetPageId-5="10" captionText-0="Fig. 2. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. Habitus, holotype. BC. Lateral view, shape variation of carapace. D. Ventral view. E. Dorsal view. F. Outwardly directed setae. G. Plumose and ventrally directed setae. H. Horn-like outgrowth anterior to labrum. I. Dorsal organ. J. Antennule. K. Idem, inner surface. L. Antenna. M. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment. N. Idem, lateral seta of first segment of endopodite, armature detail. OP. Morphology of apical setae of endopodite and exopodite. Q. Maxilla. R. Idem, short crown-like seta." captionText-1="Fig. 3. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. First limb. B. Idem, endites and stiff setae. C. Idem, morphology of stiff setae of endites. D. Inner distal lobe and outer distal lobe. E. Second limb. F. Idem, gnathobase. G. Idem, comparative system of proportion of scrapers, white circles representA. smirnovi Paggi &amp; Herrera-Martinez, 2020 and black circles representA. accolismaris sp. nov. H. Third limb.IJ. Idem, distal endite, arrow indicating the posterior seta.K. Idem, ganathobase. L. Fourth limb. M. Idem, seta 1 of distal endite. N. Fifth limb. O. Idem, inner lobe. P. Sixth limb." captionText-2="Fig. 4. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul. A. Lateral view of postabdomen. B. Apical view of postabdomen. C. Basal spines variation. D. Detail of postabdominal setae showing difference between proximal and distal segment." captionText-3="Fig. 5. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic femalefrom Jurubatiba National Park.A. Habitus.B. Head.C.Antennule.DH.Antennule ornamentation (arrows show teeth organized in groups). I. Antenna. JK. Antenna in lateral view, showing its base and first exopodite segment. LO. Antennal setae. PQ. Maxilla (arrow shows the short crown-like seta). Scale bars: AB, I = 100 µm; CH, JQ = 10 µm." captionText-4="Fig. 6. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park. A. Valve. BF. Close view of selected regions of valve margin, as defined in subfigure A (arrows indicate some fine details). GH. Carapace ventral view. I. Postabdomen. J. Postabdominal claw. K. Basal spines of the claw (arrow). Scale bars: A, G, I = 100 µm; BF, H, JK = 10 µm." captionText-5="Fig. 7. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park.AC. First limb.A. Stiff seta on first endite. B. Stiff setae on second and third endites. C. Setae df on endite 2. DG. Second limb. D. Partial view of the endite. E. Scraper 8. FG. Gnathobase, arrow shows the position of fourth element. HK. Third limb. HI. Exopodite. JK. Distal endite, arrows indicate the sensilla. LN. Fourth limb. L. General view. M. Exopodite. N. Endite and gnathobase. OP. Fifth limb. Q. Sixth limb. Scale bars: 10 µm." figureDoi-0="http://doi.org/10.5281/zenodo.6580768" figureDoi-1="http://doi.org/10.5281/zenodo.6580770" figureDoi-2="http://doi.org/10.5281/zenodo.6580772" figureDoi-3="http://doi.org/10.5281/zenodo.6580774" figureDoi-4="http://doi.org/10.5281/zenodo.6580776" figureDoi-5="http://doi.org/10.5281/zenodo.6580780" httpUri-0="https://zenodo.org/record/6580768/files/figure.png" httpUri-1="https://zenodo.org/record/6580770/files/figure.png" httpUri-2="https://zenodo.org/record/6580772/files/figure.png" httpUri-3="https://zenodo.org/record/6580774/files/figure.png" httpUri-4="https://zenodo.org/record/6580776/files/figure.png" httpUri-5="https://zenodo.org/record/6580780/files/figure.png" pageId="3" pageNumber="43">Figs 27</figureCitation>
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<emphasis id="B964C37AFFA9FF97FF517601FE53A250" bold="true" box="[227,495,1602,1628]" pageId="3" pageNumber="43">Differential diagnosis</emphasis>
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</paragraph>
<paragraph id="8BAF1F68FFA9FF90FF517633FC83A5BF" blockId="3.[227,1439,1648,2063]" lastBlockId="4.[226,1437,303,435]" lastPageId="4" lastPageNumber="44" pageId="3" pageNumber="43">
<taxonomicName id="4C1064EBFFA9FF97FF517633FBA0A281" authority="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityName="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityYear="2022" box="[227,1052,1648,1677]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="3" pageNumber="43" phylum="Arthropoda" rank="species" species="accolismaris" status="sp. nov.">
<emphasis id="B964C37AFFA9FF97FF517633FD8DA286" box="[227,561,1648,1674]" italics="true" pageId="3" pageNumber="43">Acantholeberis accolismaris</emphasis>
Sousa, Elmoor-Loureiro &amp; Álvarez-Silva
</taxonomicName>
<taxonomicNameLabel id="A2577E01FFA9FF97FB917632FBC1A287" box="[1059,1149,1649,1675]" pageId="3" pageNumber="43" rank="species">sp. nov.</taxonomicNameLabel>
differs from the Andean
<taxonomicName id="4C1064EBFFA9FF97FF5176D7FD49A2A2" authority="Paggi &amp; Herrera-Martinez, 2020" authorityName="Paggi &amp; Herrera-Martinez" authorityYear="2020" box="[227,757,1684,1710]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="3" pageNumber="43" phylum="Arthropoda" rank="species" species="smirnovi">
<emphasis id="B964C37AFFA9FF97FF5176D7FED7A2A2" box="[227,363,1684,1710]" italics="true" pageId="3" pageNumber="43">A. smirnovi</emphasis>
<bibRefCitation id="EF816299FFA9FF97FEC176D7FD49A2A2" author="Paggi J. C. &amp; Herrera-Martinez Y." box="[371,757,1684,1710]" pageId="3" pageNumber="43" pagination="1345 - 1362" refId="ref8297" refString="Paggi J. C. &amp; Herrera-Martinez Y. 2020. Presence of Acantholeberis Lilljeborg (Cladocera, Anomopoda) in South America, with remarks on the taxonomy and geographic distribution of the genus. Zoologicheskiy Zhurnal 99: 1345 - 1362. https: // doi. org / 10.31857 / S 0044513420110057" type="journal article" year="2020">
Paggi &amp; Herrera-Martinez,
<quantity id="4CE8B28DFFA9FF97FD0876D7FD49A2A2" box="[698,757,1684,1710]" metricMagnitude="1" metricUnit="m" metricValue="5.1308" pageId="3" pageNumber="43" unit="in" value="2020.0">2020</quantity>
</bibRefCitation>
</taxonomicName>
in the relatively straight ventral margin of the head, with a truncated protuberance near the labrum. The differences in the limbs between the two species pertain to the proportion of several setae; however, the main differences might be found when observing the exopodite setae and the scrapers of the inner portion of the second limb (
<figureCitation id="132B03EDFFA9FF97FBEB76BEFB60A314" box="[1113,1244,1789,1816]" captionStart="Fig" captionStartId="6.[227,270,1824,1850]" captionTargetBox="[434,1231,309,1780]" captionTargetId="figure-128@6.[430,1233,302,1793]" captionTargetPageId="6" captionText="Fig. 3. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. First limb. B. Idem, endites and stiff setae. C. Idem, morphology of stiff setae of endites. D. Inner distal lobe and outer distal lobe. E. Second limb. F. Idem, gnathobase. G. Idem, comparative system of proportion of scrapers, white circles representA. smirnovi Paggi &amp; Herrera-Martinez, 2020 and black circles representA. accolismaris sp. nov. H. Third limb.IJ. Idem, distal endite, arrow indicating the posterior seta.K. Idem, ganathobase. L. Fourth limb. M. Idem, seta 1 of distal endite. N. Fifth limb. O. Idem, inner lobe. P. Sixth limb." figureDoi="http://doi.org/10.5281/zenodo.6580770" httpUri="https://zenodo.org/record/6580770/files/figure.png" pageId="3" pageNumber="43">Fig. 3E, G</figureCitation>
), with scraper 6 markedly longer than scrapers 5 and 7. Seta 3 on the exopodite of the third limb in
<taxonomicName id="4C1064EBFFA9FF97FB517762FA20A337" authority="Sousa &amp; Elmoor-Loureiro &amp; Freiry &amp; Álvarez-Silva &amp; Stenert &amp; Maltchik &amp; Lopes &amp; Bozelli, 2022" authorityName="Sousa &amp; Elmoor-Loureiro &amp; Freiry &amp; Álvarez-Silva &amp; Stenert &amp; Maltchik &amp; Lopes &amp; Bozelli" authorityYear="2022" box="[1251,1436,1825,1851]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="3" pageNumber="43" phylum="Arthropoda" rank="species" species="accolismaris" status="sp. nov.">
<emphasis id="B964C37AFFA9FF97FB517762FA20A337" box="[1251,1436,1825,1851]" italics="true" pageId="3" pageNumber="43">A. accolismaris</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2577E01FFA9FF97FF517707FE83A352" box="[227,319,1860,1886]" pageId="3" pageNumber="43" rank="species">sp. nov.</taxonomicNameLabel>
is about 0.8 times as long as seta 4, whereas in
<taxonomicName id="4C1064EBFFA9FF97FCCF7707FBB9A352" authorityName="Paggi &amp; Herrera-Martinez" authorityYear="2020" box="[893,1029,1860,1886]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="3" pageNumber="43" phylum="Arthropoda" rank="species" species="smirnovi">
<emphasis id="B964C37AFFA9FF97FCCF7707FBB9A352" box="[893,1029,1860,1886]" italics="true" pageId="3" pageNumber="43">A. smirnovi</emphasis>
</taxonomicName>
it is about 0.6 as long. The lateral and ventral surface of the postabdominal claw of
<taxonomicName id="4C1064EBFFA9FF97FCF2772BFC46A38D" authority="Sousa &amp; Elmoor-Loureiro &amp; Freiry &amp; Álvarez-Silva &amp; Stenert &amp; Maltchik &amp; Lopes &amp; Bozelli, 2022" authorityName="Sousa &amp; Elmoor-Loureiro &amp; Freiry &amp; Álvarez-Silva &amp; Stenert &amp; Maltchik &amp; Lopes &amp; Bozelli" authorityYear="2022" box="[832,1018,1895,1922]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="3" pageNumber="43" phylum="Arthropoda" rank="species" species="accolismaris" status="sp. nov.">
<emphasis id="B964C37AFFA9FF97FCF2772BFC46A38D" box="[832,1018,1895,1922]" italics="true" pageId="3" pageNumber="43">A. accolismaris</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2577E01FFA9FF97FBB6772BFBDEA38E" box="[1028,1122,1896,1922]" pageId="3" pageNumber="43" rank="species">sp. nov.</taxonomicNameLabel>
is completely covered by short and thin spines while these spines in
<taxonomicName id="4C1064EBFFA9FF97FD6777C8FCE0A3A8" authorityName="Paggi &amp; Herrera-Martinez" authorityYear="2020" box="[725,860,1931,1957]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="3" pageNumber="43" phylum="Arthropoda" rank="species" species="smirnovi">
<emphasis id="B964C37AFFA9FF97FD6777C8FCE0A3A8" box="[725,860,1931,1957]" italics="true" pageId="3" pageNumber="43">A. smirnovi</emphasis>
</taxonomicName>
are relatively long and organized in three ventral groups. We observed that the lengths of the branches of the antenna in
<taxonomicName id="4C1064EBFFA9FF97FBFE77EDFABAA3C4" authority="Sousa &amp; Elmoor-Loureiro &amp; Freiry &amp; Álvarez-Silva &amp; Stenert &amp; Maltchik &amp; Lopes &amp; Bozelli, 2022" authorityName="Sousa &amp; Elmoor-Loureiro &amp; Freiry &amp; Álvarez-Silva &amp; Stenert &amp; Maltchik &amp; Lopes &amp; Bozelli" authorityYear="2022" box="[1100,1286,1966,1992]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="3" pageNumber="43" phylum="Arthropoda" rank="species" species="accolismaris" status="sp. nov.">
<emphasis id="B964C37AFFA9FF97FBFE77EDFABAA3C4" box="[1100,1286,1966,1992]" italics="true" pageId="3" pageNumber="43">A. accolismaris</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2577E01FFA9FF97FAA277EDFAD2A3C4" box="[1296,1390,1966,1992]" pageId="3" pageNumber="43" rank="species">sp. nov.</taxonomicNameLabel>
are markedly different (the endopodite is about 0.8 times as long as the exopodite) while in
<taxonomicName id="4C1064EBFFA9FF97FAA07792FA21A3E7" authorityName="Paggi &amp; Herrera-Martinez" authorityYear="2020" box="[1298,1437,2001,2027]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="3" pageNumber="43" phylum="Arthropoda" rank="species" species="smirnovi">
<emphasis id="B964C37AFFA9FF97FAA07792FA21A3E7" box="[1298,1437,2001,2027]" italics="true" pageId="3" pageNumber="43">A. smirnovi</emphasis>
</taxonomicName>
they are of similar length; however, this difference might represent a variable morphological trait. The morphological description of
<taxonomicName id="4C1064EBFFAEFF90FDF5716CFD4EA545" authorityName="Smirnov et al." authorityYear="1995" baseAuthorityName="O. F. Muller" baseAuthorityYear="1776" box="[583,754,303,329]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="4" pageNumber="44" phylum="Arthropoda" rank="species" species="curvirostris">
<emphasis id="B964C37AFFAEFF90FDF5716CFD4EA545" box="[583,754,303,329]" italics="true" pageId="4" pageNumber="44">A. curvirostris</emphasis>
</taxonomicName>
in the literature is very ambiguous; however, scrapers 5 and 6 on the second limb are of similar length. Furthermore, the length of seta 6 of the exopodite on the third limb is shorter than half the length of seta 7 (
<bibRefCitation id="EF816299FFAEFF90FC887136FB1CA583" author="Dumont H. J. &amp; Silva-Briano M." box="[826,1184,373,399]" pageId="4" pageNumber="44" pagination="119 - 149" refId="ref7395" refString="Dumont H. J. &amp; Silva-Briano M. 1998. A reclassification of the anomopod families Macrothricidae and Chydoridae, with the creation of a new suborder, the Radopoda (Crustacea: Branchiopoda). Hydrobiologia 384: 119 - 149. https: // doi. org / 10.1023 / A: 1003259630312" type="journal article" year="1998">Dumont &amp; Silva-Briano 1998</bibRefCitation>
;
<bibRefCitation id="EF816299FFAEFF90FB1F7136FAFEA583" author="Hudec I." box="[1197,1346,373,399]" pageId="4" pageNumber="44" refId="ref7823" refString="Hudec I. 2010. Fauna Slovenska 3. Anomopoda, Ctenopoda, Haplopoda, Onychopoda (Crustacea: Branchiopoda). Vydavatelstvo SAV, Bratislava." type="book" year="2010">Hudec 2010</bibRefCitation>
). These proportions are different in
<taxonomicName id="4C1064EBFFAEFF90FD9471DAFD61A5BF" authority="Sousa &amp; Elmoor-Loureiro &amp; Freiry &amp; Álvarez-Silva &amp; Stenert &amp; Maltchik &amp; Lopes &amp; Bozelli, 2022" authorityName="Sousa &amp; Elmoor-Loureiro &amp; Freiry &amp; Álvarez-Silva &amp; Stenert &amp; Maltchik &amp; Lopes &amp; Bozelli" authorityYear="2022" box="[550,733,409,435]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="4" pageNumber="44" phylum="Arthropoda" rank="species" species="accolismaris" status="sp. nov.">
<emphasis id="B964C37AFFAEFF90FD9471DAFD61A5BF" box="[550,733,409,435]" italics="true" pageId="4" pageNumber="44">A. accolismaris</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2577E01FFAEFF90FD5671DAFC83A5BF" box="[740,831,409,435]" pageId="4" pageNumber="44" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="C30A4CE3FFAEFF90FF517199FC95A649" pageId="4" pageNumber="44" type="etymology">
<paragraph id="8BAF1F68FFAEFF90FF517199FED6A5F8" blockId="4.[227,362,474,500]" box="[227,362,474,500]" pageId="4" pageNumber="44">
<heading id="D0E7A804FFAEFF90FF517199FED6A5F8" bold="true" box="[227,362,474,500]" fontSize="11" level="3" pageId="4" pageNumber="44" reason="3">
<emphasis id="B964C37AFFAEFF90FF517199FED6A5F8" bold="true" box="[227,362,474,500]" pageId="4" pageNumber="44">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="8BAF1F68FFAEFF90FF51724BFC95A649" blockId="4.[227,1437,520,581]" pageId="4" pageNumber="44">
The specific name refers to geographic distribution of the new species and comes from Latin words
<emphasis id="B964C37AFFAEFF90FF5F7269FE87A648" box="[237,315,554,580]" italics="true" pageId="4" pageNumber="44">accola</emphasis>
(who lives nearby) and
<emphasis id="B964C37AFFAEFF90FDCE7268FD7BA648" box="[636,711,555,580]" italics="true" pageId="4" pageNumber="44">marae</emphasis>
(sea).
</paragraph>
</subSubSection>
<subSubSection id="C30A4CE3FFAEFF90FF517228FAC9A03A" pageId="4" pageNumber="44" type="materials_examined">
<paragraph id="8BAF1F68FFAEFF90FF517228FE6CA689" blockId="4.[227,464,619,645]" box="[227,464,619,645]" pageId="4" pageNumber="44">
<heading id="D0E7A804FFAEFF90FF517228FE6CA689" bold="true" box="[227,464,619,645]" fontSize="11" level="3" pageId="4" pageNumber="44" reason="3">
<emphasis id="B964C37AFFAEFF90FF517228FE6CA689" bold="true" box="[227,464,619,645]" pageId="4" pageNumber="44">Material examined</emphasis>
</heading>
</paragraph>
<paragraph id="8BAF1F68FFAEFF90FEA272D9FBA1A6F5" blockId="4.[227,1436,666,762]" pageId="4" pageNumber="44">
<materialsCitation id="3B781535FFAEFF90FEA272D9FBA1A6F5" ID-GBIF-Occurrence="3783390302" collectionCode="MZUSP" country="Brazil" latitude="-31.51111" location="Tavares" longLatPrecision="20" longitude="-51.267223" municipality="Tavares" pageId="4" pageNumber="44" specimenCode="MZUSP42444" specimenCount="1" specimenCount-female="1" stateProvince="Rio Grande do Sul" typeStatus="holotype">
<emphasis id="B964C37AFFAEFF90FEA272D9FE3EA6B8" bold="true" box="[272,386,666,692]" pageId="4" pageNumber="44">
<typeStatus id="54ABA1CAFFAEFF90FEA272D9FE3EA6B8" box="[272,386,666,692]" pageId="4" pageNumber="44" type="holotype">Holotype</typeStatus>
</emphasis>
<collectingCountry id="F3075FF8FFAEFF90FF5172FEFEF0A6DB" box="[227,332,701,727]" name="Brazil" pageId="4" pageNumber="44">BRAZIL</collectingCountry>
• adult parthenogenetic
<specimenCount id="9D16D4E1FFAEFF90FDD172FEFDC5A6DB" box="[611,633,701,727]" pageId="4" pageNumber="44" type="female"></specimenCount>
, undissected in a tube with 92% ethanol;
<collectingRegion id="49D4D18AFFAEFF90FBE572FFFA8CA6DA" box="[1111,1328,700,726]" country="Brazil" name="Rio Grande do Sul" pageId="4" pageNumber="44">Rio Grande do Sul</collectingRegion>
,
<collectingMunicipality id="6BCB8512FFAEFF90FA8872FEFA24A6DB" box="[1338,1432,701,727]" pageId="4" pageNumber="44">Tavares</collectingMunicipality>
, Planície Costeira;
<geoCoordinate id="EE2479AFFFAEFF90FE08729DFDF6A6F5" box="[442,586,734,762]" degrees="31" direction="south" minutes="30" orientation="latitude" pageId="4" pageNumber="44" precision="15" seconds="40" value="-31.51111">31°3040″ S</geoCoordinate>
,
<geoCoordinate id="EE2479AFFFAEFF90FDE5729DFD4EA6F6" box="[599,754,734,762]" degrees="51" direction="west" minutes="16" orientation="longitude" pageId="4" pageNumber="44" precision="15" seconds="02" value="-51.267223">51°1602″ W</geoCoordinate>
; wetland;
<specimenCode id="DBB6B713FFAEFF90FCD8729CFBA5A6F5" box="[874,1049,735,761]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="4" pageNumber="44">MZUSP42444</specimenCode>
.
</materialsCitation>
</paragraph>
<paragraph id="8BAF1F68FFAEFF90FEA27363FED2A7CA" blockId="4.[227,1444,800,966]" pageId="4" pageNumber="44">
<materialsCitation id="3B781535FFAEFF90FEA27363FD60A78C" ID-GBIF-Occurrence="3783390301" collectingDate="2016-10" collectionCode="FDRS, EL" collectorName="Raquel Fontoura Freiry" country="Brazil" latitude="-31.51111" location="BRAZIL" longLatPrecision="20" longitude="-51.267223" municipality="Tavares" pageId="4" pageNumber="44" specimenCode="FDRS0696, EL03499" specimenCount="18" specimenCount-adult="18" specimenCount-female="18" stateProvince="Rio Grande do Sul" typeStatus="paratype">
<emphasis id="B964C37AFFAEFF90FEA27363FE31A736" bold="true" box="[272,397,800,826]" pageId="4" pageNumber="44">
<typeStatus id="54ABA1CAFFAEFF90FEA27363FE31A736" box="[272,397,800,826]" pageId="4" pageNumber="44" type="paratype">Paratypes</typeStatus>
</emphasis>
<collectingCountry id="F3075FF8FFAEFF90FF517300FEF0A751" box="[227,332,835,861]" name="Brazil" pageId="4" pageNumber="44">BRAZIL</collectingCountry>
<specimenCount id="9D16D4E1FFAEFF90FEDD7300FE6FA751" box="[367,467,835,861]" pageId="4" pageNumber="44" type="adult">18 adult</specimenCount>
parthenogenetic
<specimenCount id="9D16D4E1FFAEFF90FD157300FD68A751" box="[679,724,835,861]" pageId="4" pageNumber="44" type="female">♀♀</specimenCount>
; same collection data as for holotype;
<date id="FFAE39A8FFAEFF90FB0E7300FA84A751" box="[1212,1336,835,861]" pageId="4" pageNumber="44" value="2016-10">
<collectingDate id="EFEAC040FFAEFF90FB0E7300FA84A751" box="[1212,1336,835,861]" pageId="4" pageNumber="44" value="2016-10">Oct. 2016</collectingDate>
</date>
;
<collectorName id="26E57ABEFFAEFF90FAFB7300FE20A78C" pageId="4" pageNumber="44">Raquel Fontoura Freiry</collectorName>
leg.;
<specimenCode id="DBB6B713FFAEFF90FE6E7326FDDFA773" box="[476,611,869,895]" collectionCode="FDRS" pageId="4" pageNumber="44">FDRS0696</specimenCode>
,
<specimenCode id="DBB6B713FFAEFF90FDDD7325FD60A78C" box="[623,732,870,896]" pageId="4" pageNumber="44">EL03499</specimenCode>
</materialsCitation>
<materialsCitation id="3B781535FFAEFF90FD517325FED2A7CA" ID-GBIF-Occurrence="3783390303" collectingDate="2010-02" collectionCode="EL, FDRS" collectorName="Paloma Marinho Lopes" latitude="-22.248083" location="Restinga de Jurubatiba" longLatPrecision="1" longitude="-41.583664" municipality="Macae" pageId="4" pageNumber="44" specimenCode="EL02092, FDRS0697" specimenCount="50" specimenCount-female="50" stateProvince="Rio de Janeiro">
<specimenCount id="9D16D4E1FFAEFF90FD467326FCF9A78C" box="[756,837,869,896]" pageId="4" pageNumber="44" type="female">50 ♀♀</specimenCount>
, mostly
<specimenCount id="9D16D4E1FFAEFF90FC1B7325FBABA78C" box="[937,1047,870,896]" pageId="4" pageNumber="44" type="juvenile">juveniles</specimenCount>
;
<collectingRegion id="49D4D18AFFAEFF90FB907325FB72A78C" box="[1058,1230,870,896]" country="Brazil" name="Rio de Janeiro" pageId="4" pageNumber="44">Rio de Janeiro</collectingRegion>
,
<collectingMunicipality id="6BCB8512FFAEFF90FB6B7325FA96A78C" box="[1241,1322,870,896]" pageId="4" pageNumber="44">Macaé</collectingMunicipality>
,
<location id="8ECF49B3FFAEFF90FA847325FE39A7AE" LSID="urn:lsid:plazi:treatment:03B9AE7EFFA9FF9FFEDC75F8FA8FAC02:8ECF49B3FFAEFF90FA847325FE39A7AE" country="Brazil" latitude="-22.248083" longLatPrecision="1" longitude="-41.583664" municipality="Macae" name="Restinga de Jurubatiba" pageId="4" pageNumber="44" stateProvince="Rio de Janeiro">Restinga de Jurubatiba</location>
;
<geoCoordinate id="EE2479AFFFAEFF90FE2073C4FD85A7AE" box="[402,569,903,931]" degrees="22" direction="south" minutes="14" orientation="latitude" pageId="4" pageNumber="44" precision="1" seconds="53.1" value="-22.248083">22°1453.1″ S</geoCoordinate>
,
<geoCoordinate id="EE2479AFFFAEFF90FDFA73C4FD50A7AF" box="[584,748,903,931]" degrees="41" direction="west" minutes="35" orientation="longitude" pageId="4" pageNumber="44" precision="1" seconds="1.2" value="-41.583664">41°351.2″ W</geoCoordinate>
;
<date id="FFAE39A8FFAEFF90FD4B73CBFCCFA7AE" box="[761,883,904,930]" pageId="4" pageNumber="44" value="2010-02">
<collectingDate id="EFEAC040FFAEFF90FD4B73CBFCCFA7AE" box="[761,883,904,930]" pageId="4" pageNumber="44" value="2010-02">Feb. 2010</collectingDate>
</date>
; pond;
<collectorName id="26E57ABEFFAEFF90FC7F73CBFB5FA7AF" box="[973,1251,904,931]" pageId="4" pageNumber="44">Paloma Marinho Lopes</collectorName>
leg.;
<specimenCode id="DBB6B713FFAEFF90FA9A73CBFA23A7AE" box="[1320,1439,904,930]" pageId="4" pageNumber="44">EL02092</specimenCode>
,
<specimenCode id="DBB6B713FFAEFF90FF5173EFFEDBA7CA" box="[227,359,940,966]" collectionCode="FDRS" pageId="4" pageNumber="44">FDRS0697</specimenCode>
.
</materialsCitation>
</paragraph>
<paragraph id="8BAF1F68FFAEFF90FF5173AEFE3EA00B" blockId="4.[227,386,1005,1031]" box="[227,386,1005,1031]" pageId="4" pageNumber="44">
<heading id="D0E7A804FFAEFF90FF5173AEFE3EA00B" bold="true" box="[227,386,1005,1031]" fontSize="11" level="3" pageId="4" pageNumber="44" reason="3">
<emphasis id="B964C37AFFAEFF90FF5173AEFE3EA00B" bold="true" box="[227,386,1005,1031]" pageId="4" pageNumber="44">Type locality</emphasis>
</heading>
</paragraph>
<paragraph id="8BAF1F68FFAEFF90FF51745FFAC9A03A" blockId="4.[227,1397,1050,1078]" box="[227,1397,1050,1078]" pageId="4" pageNumber="44">
A wetland in the Planície Costeira, Tavares,
<collectingRegion id="49D4D18AFFAEFF90FD5E745FFC76A03A" box="[748,970,1052,1078]" country="Brazil" name="Rio Grande do Sul" pageId="4" pageNumber="44">Rio Grande do Sul</collectingRegion>
,
<collectingCountry id="F3075FF8FFAEFF90FC64745FFBA2A03A" box="[982,1054,1052,1078]" name="Brazil" pageId="4" pageNumber="44">Brazil</collectingCountry>
(
<geoCoordinate id="EE2479AFFFAEFF90FB9F7459FB02A03A" box="[1069,1214,1050,1078]" degrees="31" direction="south" minutes="30" orientation="latitude" pageId="4" pageNumber="44" precision="15" seconds="40" value="-31.51111">31°3040″ S</geoCoordinate>
,
<geoCoordinate id="EE2479AFFFAEFF90FB797459FAD4A03A" box="[1227,1384,1050,1078]" degrees="51" direction="west" minutes="16" orientation="longitude" pageId="4" pageNumber="44" precision="15" seconds="02" value="-51.267223">51°1602″ W</geoCoordinate>
).
</paragraph>
</subSubSection>
<subSubSection id="C30A4CE3FFAEFF9FFF51741EFECFA328" lastPageId="11" lastPageNumber="51" pageId="4" pageNumber="44" type="description">
<paragraph id="8BAF1F68FFAEFF90FF51741EFD53A074" blockId="4.[227,751,1117,1144]" box="[227,751,1117,1144]" pageId="4" pageNumber="44">
<emphasis id="B964C37AFFAEFF90FF51741EFEC8A07B" bold="true" box="[227,372,1117,1143]" pageId="4" pageNumber="44">Description</emphasis>
(adult parthenogenetic females)
</paragraph>
<paragraph id="8BAF1F68FFAEFF90FF5174CFFC73A15A" blockId="4.[227,1437,1164,1367]" pageId="4" pageNumber="44">
GENERAL HABITUS (
<figureCitation id="132B03EDFFAEFF90FE7574CFFDF0A0AA" box="[455,588,1164,1190]" captionStart="Fig" captionStartId="5.[227,270,1791,1817]" captionTargetBox="[444,1225,309,1758]" captionTargetId="figure-124@5.[431,1232,304,1762]" captionTargetPageId="5" captionText="Fig. 2. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. Habitus, holotype. BC. Lateral view, shape variation of carapace. D. Ventral view. E. Dorsal view. F. Outwardly directed setae. G. Plumose and ventrally directed setae. H. Horn-like outgrowth anterior to labrum. I. Dorsal organ. J. Antennule. K. Idem, inner surface. L. Antenna. M. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment. N. Idem, lateral seta of first segment of endopodite, armature detail. OP. Morphology of apical setae of endopodite and exopodite. Q. Maxilla. R. Idem, short crown-like seta." figureDoi="http://doi.org/10.5281/zenodo.6580768" httpUri="https://zenodo.org/record/6580768/files/figure.png" pageId="4" pageNumber="44">Figs 2AE</figureCitation>
,
<figureCitation id="132B03EDFFAEFF90FDD374CFFD1BA0AA" box="[609,679,1164,1191]" captionStart="Fig" captionStartId="8.[227,270,1895,1921]" captionTargetBox="[281,1382,302,1856]" captionTargetId="figure-76@8.[281,1382,302,1856]" captionTargetPageId="8" captionText="Fig. 5. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic femalefrom Jurubatiba National Park.A. Habitus.B. Head.C.Antennule.DH.Antennule ornamentation (arrows show teeth organized in groups). I. Antenna. JK. Antenna in lateral view, showing its base and first exopodite segment. LO. Antennal setae. PQ. Maxilla (arrow shows the short crown-like seta). Scale bars: AB, I = 100 µm; CH, JQ = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580774" httpUri="https://zenodo.org/record/6580774/files/figure.png" pageId="4" pageNumber="44">5AB</figureCitation>
). Body elongated, sub-rectangular in lateral view, oblong in ventral and dorsal views, length
<quantity id="4CE8B28DFFAEFF90FDDD74ECFCBFA0C6" box="[623,771,1199,1226]" metricMagnitude="-3" metricUnit="m" metricValue="1.1" metricValueMax="1.5" metricValueMin="0.7" pageId="4" pageNumber="44" unit="mm" value="1.1" valueMax="1.5" valueMin="0.7">0.71.5 mm</quantity>
, height/length ratio about 0.450.75; posterodorsal and posteroventral angles prominent. Dorsal margin regularly arched and interrupted by a shallow cervical sinus. Ventral margin clearly arched in anterior part, posterior part slightly curved inwards giving a straight aspect in lateral view. Posterior margin concave near posterodorsal angle. In dorsal and ventral views body not laterally compressed, without lateral projection.
</paragraph>
<paragraph id="8BAF1F68FFAEFF90FF51753DFD33A29C" blockId="4.[226,1438,1406,1680]" pageId="4" pageNumber="44">
CARAPACE (
<figureCitation id="132B03EDFFAEFF90FED8753DFE4FA194" box="[362,499,1406,1432]" captionStart="Fig" captionStartId="5.[227,270,1791,1817]" captionTargetBox="[444,1225,309,1758]" captionTargetId="figure-124@5.[431,1232,304,1762]" captionTargetPageId="5" captionText="Fig. 2. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. Habitus, holotype. BC. Lateral view, shape variation of carapace. D. Ventral view. E. Dorsal view. F. Outwardly directed setae. G. Plumose and ventrally directed setae. H. Horn-like outgrowth anterior to labrum. I. Dorsal organ. J. Antennule. K. Idem, inner surface. L. Antenna. M. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment. N. Idem, lateral seta of first segment of endopodite, armature detail. OP. Morphology of apical setae of endopodite and exopodite. Q. Maxilla. R. Idem, short crown-like seta." figureDoi="http://doi.org/10.5281/zenodo.6580768" httpUri="https://zenodo.org/record/6580768/files/figure.png" pageId="4" pageNumber="44">Figs 2AG</figureCitation>
,
<figureCitation id="132B03EDFFAEFF90FDB6753DFDF0A194" box="[516,588,1406,1432]" captionStart="Fig" captionStartId="9.[229,272,1893,1919]" captionTargetBox="[227,1437,578,1855]" captionTargetId="figure-192@9.[227,1437,578,1855]" captionTargetPageId="9" captionText="Fig. 6. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park. A. Valve. BF. Close view of selected regions of valve margin, as defined in subfigure A (arrows indicate some fine details). GH. Carapace ventral view. I. Postabdomen. J. Postabdominal claw. K. Basal spines of the claw (arrow). Scale bars: A, G, I = 100 µm; BF, H, JK = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580776" httpUri="https://zenodo.org/record/6580776/files/figure.png" pageId="4" pageNumber="44">6AH</figureCitation>
). Brownish; dorsal and ventral margins smooth; ventral margin with thick rim (more evident towards anterior part of carapace). Setae on ventral margin organized in three groups: first one set with 810 outwardly directed setae and 4050 plumose and ventrally directed setae (
<figureCitation id="132B03EDFFAEFF90FF5975ABFE0DA20E" box="[235,433,1512,1538]" captionStart="Fig" captionStartId="5.[227,270,1791,1817]" captionTargetBox="[444,1225,309,1758]" captionTargetId="figure-124@5.[431,1232,304,1762]" captionTargetPageId="5" captionText="Fig. 2. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. Habitus, holotype. BC. Lateral view, shape variation of carapace. D. Ventral view. E. Dorsal view. F. Outwardly directed setae. G. Plumose and ventrally directed setae. H. Horn-like outgrowth anterior to labrum. I. Dorsal organ. J. Antennule. K. Idem, inner surface. L. Antenna. M. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment. N. Idem, lateral seta of first segment of endopodite, armature detail. OP. Morphology of apical setae of endopodite and exopodite. Q. Maxilla. R. Idem, short crown-like seta." figureDoi="http://doi.org/10.5281/zenodo.6580768" httpUri="https://zenodo.org/record/6580768/files/figure.png" pageId="4" pageNumber="44">Figs 2A, D, FG</figureCitation>
,
<figureCitation id="132B03EDFFAEFF90FE0975ABFDB4A20F" box="[443,520,1512,1539]" captionStart="Fig" captionStartId="9.[229,272,1893,1919]" captionTargetBox="[227,1437,578,1855]" captionTargetId="figure-192@9.[227,1437,578,1855]" captionTargetPageId="9" captionText="Fig. 6. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park. A. Valve. BF. Close view of selected regions of valve margin, as defined in subfigure A (arrows indicate some fine details). GH. Carapace ventral view. I. Postabdomen. J. Postabdominal claw. K. Basal spines of the claw (arrow). Scale bars: A, G, I = 100 µm; BF, H, JK = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580776" httpUri="https://zenodo.org/record/6580776/files/figure.png" pageId="4" pageNumber="44">6GH</figureCitation>
); second one set of short naked setae (
<figureCitation id="132B03EDFFAEFF90FC0D75ABFBA7A20F" box="[959,1051,1512,1539]" captionStart="Fig" captionStartId="9.[229,272,1893,1919]" captionTargetBox="[227,1437,578,1855]" captionTargetId="figure-192@9.[227,1437,578,1855]" captionTargetPageId="9" captionText="Fig. 6. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park. A. Valve. BF. Close view of selected regions of valve margin, as defined in subfigure A (arrows indicate some fine details). GH. Carapace ventral view. I. Postabdomen. J. Postabdominal claw. K. Basal spines of the claw (arrow). Scale bars: A, G, I = 100 µm; BF, H, JK = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580776" httpUri="https://zenodo.org/record/6580776/files/figure.png" pageId="4" pageNumber="44">Fig. 6C</figureCitation>
); third one armed with long setae bearing protuberances armed with spinulae at the basis (
<figureCitation id="132B03EDFFAEFF90FCDE7648FC7BA22A" box="[876,967,1547,1574]" captionStart="Fig" captionStartId="9.[229,272,1893,1919]" captionTargetBox="[227,1437,578,1855]" captionTargetId="figure-192@9.[227,1437,578,1855]" captionTargetPageId="9" captionText="Fig. 6. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park. A. Valve. BF. Close view of selected regions of valve margin, as defined in subfigure A (arrows indicate some fine details). GH. Carapace ventral view. I. Postabdomen. J. Postabdominal claw. K. Basal spines of the claw (arrow). Scale bars: A, G, I = 100 µm; BF, H, JK = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580776" httpUri="https://zenodo.org/record/6580776/files/figure.png" pageId="4" pageNumber="44">Fig. 6E</figureCitation>
). Setae on posterior margin organized in two groups: first one has up to eight long setae with slightly curved proximal part and basis armed with spinulae (
<figureCitation id="132B03EDFFAEFF90FEE47611FE09A261" box="[342,437,1618,1645]" captionStart="Fig" captionStartId="9.[229,272,1893,1919]" captionTargetBox="[227,1437,578,1855]" captionTargetId="figure-192@9.[227,1437,578,1855]" captionTargetPageId="9" captionText="Fig. 6. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park. A. Valve. BF. Close view of selected regions of valve margin, as defined in subfigure A (arrows indicate some fine details). GH. Carapace ventral view. I. Postabdomen. J. Postabdominal claw. K. Basal spines of the claw (arrow). Scale bars: A, G, I = 100 µm; BF, H, JK = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580776" httpUri="https://zenodo.org/record/6580776/files/figure.png" pageId="4" pageNumber="44">Fig. 6D</figureCitation>
), second one armed with setae decreasing in length towards posterodorsal angle and bases armed with spinulae (
<figureCitation id="132B03EDFFAEFF90FD9B7636FD3EA29C" box="[553,642,1653,1680]" captionStart="Fig" captionStartId="9.[229,272,1893,1919]" captionTargetBox="[227,1437,578,1855]" captionTargetId="figure-192@9.[227,1437,578,1855]" captionTargetPageId="9" captionText="Fig. 6. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park. A. Valve. BF. Close view of selected regions of valve margin, as defined in subfigure A (arrows indicate some fine details). GH. Carapace ventral view. I. Postabdomen. J. Postabdominal claw. K. Basal spines of the claw (arrow). Scale bars: A, G, I = 100 µm; BF, H, JK = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580776" httpUri="https://zenodo.org/record/6580776/files/figure.png" pageId="4" pageNumber="44">Fig. 6F</figureCitation>
).
</paragraph>
<paragraph id="8BAF1F68FFAEFF93FF5176F4FCC1A770" blockId="4.[227,1438,1718,2063]" lastBlockId="7.[226,1438,303,892]" lastPageId="7" lastPageNumber="47" pageId="4" pageNumber="44">
CEPHALIC STRUCTURES (
<figureCitation id="132B03EDFFAEFF90FE4176F5FDFEA2DD" box="[499,578,1718,1745]" captionStart="Fig" captionStartId="5.[227,270,1791,1817]" captionTargetBox="[444,1225,309,1758]" captionTargetId="figure-124@5.[431,1232,304,1762]" captionTargetPageId="5" captionText="Fig. 2. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. Habitus, holotype. BC. Lateral view, shape variation of carapace. D. Ventral view. E. Dorsal view. F. Outwardly directed setae. G. Plumose and ventrally directed setae. H. Horn-like outgrowth anterior to labrum. I. Dorsal organ. J. Antennule. K. Idem, inner surface. L. Antenna. M. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment. N. Idem, lateral seta of first segment of endopodite, armature detail. OP. Morphology of apical setae of endopodite and exopodite. Q. Maxilla. R. Idem, short crown-like seta." figureDoi="http://doi.org/10.5281/zenodo.6580768" httpUri="https://zenodo.org/record/6580768/files/figure.png" pageId="4" pageNumber="44">Figs 2</figureCitation>
,
<figureCitation id="132B03EDFFAEFF90FDE676F5FDD9A2DD" box="[596,613,1718,1745]" captionStart="Fig" captionStartId="8.[227,270,1895,1921]" captionTargetBox="[281,1382,302,1856]" captionTargetId="figure-76@8.[281,1382,302,1856]" captionTargetPageId="8" captionText="Fig. 5. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic femalefrom Jurubatiba National Park.A. Habitus.B. Head.C.Antennule.DH.Antennule ornamentation (arrows show teeth organized in groups). I. Antenna. JK. Antenna in lateral view, showing its base and first exopodite segment. LO. Antennal setae. PQ. Maxilla (arrow shows the short crown-like seta). Scale bars: AB, I = 100 µm; CH, JQ = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580774" httpUri="https://zenodo.org/record/6580774/files/figure.png" pageId="4" pageNumber="44">5</figureCitation>
).
<emphasis id="B964C37AFFAEFF90FD3276F5FD7CA2DC" box="[640,704,1718,1744]" italics="true" pageId="4" pageNumber="44">Head</emphasis>
(
<figureCitation id="132B03EDFFAEFF90FD6676F5FCE7A2DD" box="[724,859,1718,1745]" captionStart="Fig" captionStartId="5.[227,270,1791,1817]" captionTargetBox="[444,1225,309,1758]" captionTargetId="figure-124@5.[431,1232,304,1762]" captionTargetPageId="5" captionText="Fig. 2. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. Habitus, holotype. BC. Lateral view, shape variation of carapace. D. Ventral view. E. Dorsal view. F. Outwardly directed setae. G. Plumose and ventrally directed setae. H. Horn-like outgrowth anterior to labrum. I. Dorsal organ. J. Antennule. K. Idem, inner surface. L. Antenna. M. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment. N. Idem, lateral seta of first segment of endopodite, armature detail. OP. Morphology of apical setae of endopodite and exopodite. Q. Maxilla. R. Idem, short crown-like seta." figureDoi="http://doi.org/10.5281/zenodo.6580768" httpUri="https://zenodo.org/record/6580768/files/figure.png" pageId="4" pageNumber="44">Figs 2AE</figureCitation>
,
<figureCitation id="132B03EDFFAEFF90FCDE76F5FC0BA2DD" box="[876,951,1718,1745]" captionStart="Fig" captionStartId="8.[227,270,1895,1921]" captionTargetBox="[281,1382,302,1856]" captionTargetId="figure-76@8.[281,1382,302,1856]" captionTargetPageId="8" captionText="Fig. 5. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic femalefrom Jurubatiba National Park.A. Habitus.B. Head.C.Antennule.DH.Antennule ornamentation (arrows show teeth organized in groups). I. Antenna. JK. Antenna in lateral view, showing its base and first exopodite segment. LO. Antennal setae. PQ. Maxilla (arrow shows the short crown-like seta). Scale bars: AB, I = 100 µm; CH, JQ = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580774" httpUri="https://zenodo.org/record/6580774/files/figure.png" pageId="4" pageNumber="44">5AB</figureCitation>
). Elongated, triangular, about 0.4 times as long as body. Dorsal margin smooth and slightly arched, a shallow cervical sinus present. Ventral margin with two inflated parts, the first one slight and positioned near base of antennule, the second one relatively robust, sometimes folded or truncated and positioned above labrum; marginal line between inflated parts straight. Ocellus markedly smaller than compound eye. Dorsal organ shorter than compound eye, rounded, with fine ring, positioned near cervical sinus (
<figureCitation id="132B03EDFFAEFF90FBAC7724FBCCA38D" box="[1054,1136,1895,1921]" captionStart="Fig" captionStartId="5.[227,270,1791,1817]" captionTargetBox="[444,1225,309,1758]" captionTargetId="figure-124@5.[431,1232,304,1762]" captionTargetPageId="5" captionText="Fig. 2. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. Habitus, holotype. BC. Lateral view, shape variation of carapace. D. Ventral view. E. Dorsal view. F. Outwardly directed setae. G. Plumose and ventrally directed setae. H. Horn-like outgrowth anterior to labrum. I. Dorsal organ. J. Antennule. K. Idem, inner surface. L. Antenna. M. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment. N. Idem, lateral seta of first segment of endopodite, armature detail. OP. Morphology of apical setae of endopodite and exopodite. Q. Maxilla. R. Idem, short crown-like seta." figureDoi="http://doi.org/10.5281/zenodo.6580768" httpUri="https://zenodo.org/record/6580768/files/figure.png" pageId="4" pageNumber="44">Fig. 2I</figureCitation>
). Rostrum not developed.
<emphasis id="B964C37AFFAEFF90FF5177C9FEFCA3A8" box="[227,320,1930,1956]" italics="true" pageId="4" pageNumber="44">Labrum</emphasis>
(
<figureCitation id="132B03EDFFAEFF90FEE377C9FE68A3A9" box="[337,468,1930,1957]" captionStart="Fig" captionStartId="5.[227,270,1791,1817]" captionTargetBox="[444,1225,309,1758]" captionTargetId="figure-124@5.[431,1232,304,1762]" captionTargetPageId="5" captionText="Fig. 2. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. Habitus, holotype. BC. Lateral view, shape variation of carapace. D. Ventral view. E. Dorsal view. F. Outwardly directed setae. G. Plumose and ventrally directed setae. H. Horn-like outgrowth anterior to labrum. I. Dorsal organ. J. Antennule. K. Idem, inner surface. L. Antenna. M. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment. N. Idem, lateral seta of first segment of endopodite, armature detail. OP. Morphology of apical setae of endopodite and exopodite. Q. Maxilla. R. Idem, short crown-like seta." figureDoi="http://doi.org/10.5281/zenodo.6580768" httpUri="https://zenodo.org/record/6580768/files/figure.png" pageId="4" pageNumber="44">Fig. 2A, H</figureCitation>
) with a long horn armed with five rows of minute setulae.
<emphasis id="B964C37AFFAEFF90FB2177C9FAB6A3A8" box="[1171,1290,1930,1956]" italics="true" pageId="4" pageNumber="44">Antennule</emphasis>
(
<figureCitation id="132B03EDFFAEFF90FAA877C9FA2BA3A8" box="[1306,1431,1930,1956]" captionStart="Fig" captionStartId="5.[227,270,1791,1817]" captionTargetBox="[444,1225,309,1758]" captionTargetId="figure-124@5.[431,1232,304,1762]" captionTargetPageId="5" captionText="Fig. 2. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. Habitus, holotype. BC. Lateral view, shape variation of carapace. D. Ventral view. E. Dorsal view. F. Outwardly directed setae. G. Plumose and ventrally directed setae. H. Horn-like outgrowth anterior to labrum. I. Dorsal organ. J. Antennule. K. Idem, inner surface. L. Antenna. M. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment. N. Idem, lateral seta of first segment of endopodite, armature detail. OP. Morphology of apical setae of endopodite and exopodite. Q. Maxilla. R. Idem, short crown-like seta." figureDoi="http://doi.org/10.5281/zenodo.6580768" httpUri="https://zenodo.org/record/6580768/files/figure.png" pageId="4" pageNumber="44">Figs 2JK</figureCitation>
,
<figureCitation id="132B03EDFFAEFF90FF5677EEFE92A3C4" box="[228,302,1965,1992]" captionStart="Fig" captionStartId="8.[227,270,1895,1921]" captionTargetBox="[281,1382,302,1856]" captionTargetId="figure-76@8.[281,1382,302,1856]" captionTargetPageId="8" captionText="Fig. 5. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic femalefrom Jurubatiba National Park.A. Habitus.B. Head.C.Antennule.DH.Antennule ornamentation (arrows show teeth organized in groups). I. Antenna. JK. Antenna in lateral view, showing its base and first exopodite segment. LO. Antennal setae. PQ. Maxilla (arrow shows the short crown-like seta). Scale bars: AB, I = 100 µm; CH, JQ = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580774" httpUri="https://zenodo.org/record/6580774/files/figure.png" pageId="4" pageNumber="44">5CH</figureCitation>
). Slightly shorter than head length and dilated in distal part. Ventrolateral basal sensory seta about 0.2 times length of antennular body. Antennular body armed with up to eleven transverse rows of spinules, distal part armed with several teeth surrounding insertion of aesthetascs; inner face with teeth organized in up to eight groups (
<figureCitation id="132B03EDFFADFF93FD13716CFCBFA545" box="[673,771,303,329]" captionStart="Fig" captionStartId="5.[227,270,1791,1817]" captionTargetBox="[444,1225,309,1758]" captionTargetId="figure-124@5.[431,1232,304,1762]" captionTargetPageId="5" captionText="Fig. 2. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. Habitus, holotype. BC. Lateral view, shape variation of carapace. D. Ventral view. E. Dorsal view. F. Outwardly directed setae. G. Plumose and ventrally directed setae. H. Horn-like outgrowth anterior to labrum. I. Dorsal organ. J. Antennule. K. Idem, inner surface. L. Antenna. M. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment. N. Idem, lateral seta of first segment of endopodite, armature detail. OP. Morphology of apical setae of endopodite and exopodite. Q. Maxilla. R. Idem, short crown-like seta." figureDoi="http://doi.org/10.5281/zenodo.6580768" httpUri="https://zenodo.org/record/6580768/files/figure.png" pageId="7" pageNumber="47">Figs 2K</figureCitation>
,
<figureCitation id="132B03EDFFADFF93FCBD716CFCE9A546" box="[783,853,303,330]" captionStart="Fig" captionStartId="8.[227,270,1895,1921]" captionTargetBox="[281,1382,302,1856]" captionTargetId="figure-76@8.[281,1382,302,1856]" captionTargetPageId="8" captionText="Fig. 5. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic femalefrom Jurubatiba National Park.A. Habitus.B. Head.C.Antennule.DH.Antennule ornamentation (arrows show teeth organized in groups). I. Antenna. JK. Antenna in lateral view, showing its base and first exopodite segment. LO. Antennal setae. PQ. Maxilla (arrow shows the short crown-like seta). Scale bars: AB, I = 100 µm; CH, JQ = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580774" httpUri="https://zenodo.org/record/6580774/files/figure.png" pageId="7" pageNumber="47">5CF</figureCitation>
). Nine aesthetascs with forked apex, four of them markedly longer than others.
<emphasis id="B964C37AFFADFF93FDF47111FD14A560" box="[582,680,338,364]" italics="true" pageId="7" pageNumber="47">Antenna</emphasis>
(
<figureCitation id="132B03EDFFADFF93FD0A7111FC89A560" box="[696,821,338,364]" captionStart="Fig" captionStartId="5.[227,270,1791,1817]" captionTargetBox="[444,1225,309,1758]" captionTargetId="figure-124@5.[431,1232,304,1762]" captionTargetPageId="5" captionText="Fig. 2. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. Habitus, holotype. BC. Lateral view, shape variation of carapace. D. Ventral view. E. Dorsal view. F. Outwardly directed setae. G. Plumose and ventrally directed setae. H. Horn-like outgrowth anterior to labrum. I. Dorsal organ. J. Antennule. K. Idem, inner surface. L. Antenna. M. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment. N. Idem, lateral seta of first segment of endopodite, armature detail. OP. Morphology of apical setae of endopodite and exopodite. Q. Maxilla. R. Idem, short crown-like seta." figureDoi="http://doi.org/10.5281/zenodo.6580768" httpUri="https://zenodo.org/record/6580768/files/figure.png" pageId="7" pageNumber="47">Figs 2LP</figureCitation>
,
<figureCitation id="132B03EDFFADFF93FCF17111FC38A561" box="[835,900,338,365]" captionStart="Fig" captionStartId="8.[227,270,1895,1921]" captionTargetBox="[281,1382,302,1856]" captionTargetId="figure-76@8.[281,1382,302,1856]" captionTargetPageId="8" captionText="Fig. 5. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic femalefrom Jurubatiba National Park.A. Habitus.B. Head.C.Antennule.DH.Antennule ornamentation (arrows show teeth organized in groups). I. Antenna. JK. Antenna in lateral view, showing its base and first exopodite segment. LO. Antennal setae. PQ. Maxilla (arrow shows the short crown-like seta). Scale bars: AB, I = 100 µm; CH, JQ = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580774" httpUri="https://zenodo.org/record/6580774/files/figure.png" pageId="7" pageNumber="47">5IO</figureCitation>
). Coxal region folded; basal segment robust, covered with transverse rows of fine spines and spinules, apical spine of similar length to spine of second segment of exopodite, sensory setae about two times as long as first segment of exopodite (
<figureCitation id="132B03EDFFADFF93FA9D71DBFA24A5BE" box="[1327,1432,408,434]" captionStart="Fig" captionStartId="5.[227,270,1791,1817]" captionTargetBox="[444,1225,309,1758]" captionTargetId="figure-124@5.[431,1232,304,1762]" captionTargetPageId="5" captionText="Fig. 2. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. Habitus, holotype. BC. Lateral view, shape variation of carapace. D. Ventral view. E. Dorsal view. F. Outwardly directed setae. G. Plumose and ventrally directed setae. H. Horn-like outgrowth anterior to labrum. I. Dorsal organ. J. Antennule. K. Idem, inner surface. L. Antenna. M. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment. N. Idem, lateral seta of first segment of endopodite, armature detail. OP. Morphology of apical setae of endopodite and exopodite. Q. Maxilla. R. Idem, short crown-like seta." figureDoi="http://doi.org/10.5281/zenodo.6580768" httpUri="https://zenodo.org/record/6580768/files/figure.png" pageId="7" pageNumber="47">Figs 2M</figureCitation>
,
<figureCitation id="132B03EDFFADFF93FF5171F8FE99A5DA" box="[227,293,443,470]" captionStart="Fig" captionStartId="8.[227,270,1895,1921]" captionTargetBox="[281,1382,302,1856]" captionTargetId="figure-76@8.[281,1382,302,1856]" captionTargetPageId="8" captionText="Fig. 5. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic femalefrom Jurubatiba National Park.A. Habitus.B. Head.C.Antennule.DH.Antennule ornamentation (arrows show teeth organized in groups). I. Antenna. JK. Antenna in lateral view, showing its base and first exopodite segment. LO. Antennal setae. PQ. Maxilla (arrow shows the short crown-like seta). Scale bars: AB, I = 100 µm; CH, JQ = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580774" httpUri="https://zenodo.org/record/6580774/files/figure.png" pageId="7" pageNumber="47">5JK</figureCitation>
). Branches markedly different in length, with cylindrical segments covered with rows of spinules; endopodite about 0.8 times as long as exopodite. Exopodite with four segments: first segment shorter than rest, armed with robust spines laterally (
<figureCitation id="132B03EDFFADFF93FCA27241FCC7A610" box="[784,891,514,540]" captionStart="Fig" captionStartId="5.[227,270,1791,1817]" captionTargetBox="[444,1225,309,1758]" captionTargetId="figure-124@5.[431,1232,304,1762]" captionTargetPageId="5" captionText="Fig. 2. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. Habitus, holotype. BC. Lateral view, shape variation of carapace. D. Ventral view. E. Dorsal view. F. Outwardly directed setae. G. Plumose and ventrally directed setae. H. Horn-like outgrowth anterior to labrum. I. Dorsal organ. J. Antennule. K. Idem, inner surface. L. Antenna. M. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment. N. Idem, lateral seta of first segment of endopodite, armature detail. OP. Morphology of apical setae of endopodite and exopodite. Q. Maxilla. R. Idem, short crown-like seta." figureDoi="http://doi.org/10.5281/zenodo.6580768" httpUri="https://zenodo.org/record/6580768/files/figure.png" pageId="7" pageNumber="47">Figs 2M</figureCitation>
,
<figureCitation id="132B03EDFFADFF93FC397241FC14A611" box="[907,936,514,541]" captionStart="Fig" captionStartId="8.[227,270,1895,1921]" captionTargetBox="[281,1382,302,1856]" captionTargetId="figure-76@8.[281,1382,302,1856]" captionTargetPageId="8" captionText="Fig. 5. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic femalefrom Jurubatiba National Park.A. Habitus.B. Head.C.Antennule.DH.Antennule ornamentation (arrows show teeth organized in groups). I. Antenna. JK. Antenna in lateral view, showing its base and first exopodite segment. LO. Antennal setae. PQ. Maxilla (arrow shows the short crown-like seta). Scale bars: AB, I = 100 µm; CH, JQ = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580774" httpUri="https://zenodo.org/record/6580774/files/figure.png" pageId="7" pageNumber="47">5J</figureCitation>
); second segment elongated, spine about middle length of segment itself; third segment without apical setae; fourth segment elongated with spine and three apical bisegmented setae armed with lateral spines and long setulae, spine about 0.5 times as long as segment itself. Endopodite with three segments: first segment armed with exceptionally long sclerotized and bisegmented seta which bears, on proximal part, thin lateral spines, distal part armed with 1013 robust spines reducing in size distally (
<figureCitation id="132B03EDFFADFF93FC8472F1FC2BA6C0" box="[822,919,690,716]" captionStart="Fig" captionStartId="5.[227,270,1791,1817]" captionTargetBox="[444,1225,309,1758]" captionTargetId="figure-124@5.[431,1232,304,1762]" captionTargetPageId="5" captionText="Fig. 2. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. Habitus, holotype. BC. Lateral view, shape variation of carapace. D. Ventral view. E. Dorsal view. F. Outwardly directed setae. G. Plumose and ventrally directed setae. H. Horn-like outgrowth anterior to labrum. I. Dorsal organ. J. Antennule. K. Idem, inner surface. L. Antenna. M. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment. N. Idem, lateral seta of first segment of endopodite, armature detail. OP. Morphology of apical setae of endopodite and exopodite. Q. Maxilla. R. Idem, short crown-like seta." figureDoi="http://doi.org/10.5281/zenodo.6580768" httpUri="https://zenodo.org/record/6580768/files/figure.png" pageId="7" pageNumber="47">Figs 2N</figureCitation>
,
<figureCitation id="132B03EDFFADFF93FC1172F1FC77A6C1" box="[931,971,690,717]" captionStart="Fig" captionStartId="8.[227,270,1895,1921]" captionTargetBox="[281,1382,302,1856]" captionTargetId="figure-76@8.[281,1382,302,1856]" captionTargetPageId="8" captionText="Fig. 5. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic femalefrom Jurubatiba National Park.A. Habitus.B. Head.C.Antennule.DH.Antennule ornamentation (arrows show teeth organized in groups). I. Antenna. JK. Antenna in lateral view, showing its base and first exopodite segment. LO. Antennal setae. PQ. Maxilla (arrow shows the short crown-like seta). Scale bars: AB, I = 100 µm; CH, JQ = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580774" httpUri="https://zenodo.org/record/6580774/files/figure.png" pageId="7" pageNumber="47">5N</figureCitation>
); second segment with long (but shorter than seta on first segment) and bisegmented seta which bears, on proximal part, short setulae, distal part with short and fine spines and setulae (
<figureCitation id="132B03EDFFADFF93FD1872BBFCB4A71F" box="[682,776,760,787]" captionStart="Fig" captionStartId="8.[227,270,1895,1921]" captionTargetBox="[281,1382,302,1856]" captionTargetId="figure-76@8.[281,1382,302,1856]" captionTargetPageId="8" captionText="Fig. 5. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic femalefrom Jurubatiba National Park.A. Habitus.B. Head.C.Antennule.DH.Antennule ornamentation (arrows show teeth organized in groups). I. Antenna. JK. Antenna in lateral view, showing its base and first exopodite segment. LO. Antennal setae. PQ. Maxilla (arrow shows the short crown-like seta). Scale bars: AB, I = 100 µm; CH, JQ = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580774" httpUri="https://zenodo.org/record/6580774/files/figure.png" pageId="7" pageNumber="47">Fig. 5O</figureCitation>
); third segment with spine and three apical bisegmented setae (
<figureCitation id="132B03EDFFADFF93FE827358FE0DA73A" box="[304,433,795,822]" captionStart="Fig" captionStartId="5.[227,270,1791,1817]" captionTargetBox="[444,1225,309,1758]" captionTargetId="figure-124@5.[431,1232,304,1762]" captionTargetPageId="5" captionText="Fig. 2. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. Habitus, holotype. BC. Lateral view, shape variation of carapace. D. Ventral view. E. Dorsal view. F. Outwardly directed setae. G. Plumose and ventrally directed setae. H. Horn-like outgrowth anterior to labrum. I. Dorsal organ. J. Antennule. K. Idem, inner surface. L. Antenna. M. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment. N. Idem, lateral seta of first segment of endopodite, armature detail. OP. Morphology of apical setae of endopodite and exopodite. Q. Maxilla. R. Idem, short crown-like seta." figureDoi="http://doi.org/10.5281/zenodo.6580768" httpUri="https://zenodo.org/record/6580768/files/figure.png" pageId="7" pageNumber="47">Figs 2OP</figureCitation>
,
<figureCitation id="132B03EDFFADFF93FE727358FDB1A73A" box="[448,525,795,822]" captionStart="Fig" captionStartId="8.[227,270,1895,1921]" captionTargetBox="[281,1382,302,1856]" captionTargetId="figure-76@8.[281,1382,302,1856]" captionTargetPageId="8" captionText="Fig. 5. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic femalefrom Jurubatiba National Park.A. Habitus.B. Head.C.Antennule.DH.Antennule ornamentation (arrows show teeth organized in groups). I. Antenna. JK. Antenna in lateral view, showing its base and first exopodite segment. LO. Antennal setae. PQ. Maxilla (arrow shows the short crown-like seta). Scale bars: AB, I = 100 µm; CH, JQ = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580774" httpUri="https://zenodo.org/record/6580774/files/figure.png" pageId="7" pageNumber="47">5LM</figureCitation>
), spine about 0.5 times as long as segment itself. Antennal formula: spines 0101/001, setae 0003/113.
<emphasis id="B964C37AFFADFF93FD93737CFDC0A755" box="[545,636,831,857]" italics="true" pageId="7" pageNumber="47">Maxilla</emphasis>
(
<figureCitation id="132B03EDFFADFF93FD3E737CFCADA755" box="[652,785,831,857]" captionStart="Fig" captionStartId="5.[227,270,1791,1817]" captionTargetBox="[444,1225,309,1758]" captionTargetId="figure-124@5.[431,1232,304,1762]" captionTargetPageId="5" captionText="Fig. 2. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. Habitus, holotype. BC. Lateral view, shape variation of carapace. D. Ventral view. E. Dorsal view. F. Outwardly directed setae. G. Plumose and ventrally directed setae. H. Horn-like outgrowth anterior to labrum. I. Dorsal organ. J. Antennule. K. Idem, inner surface. L. Antenna. M. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment. N. Idem, lateral seta of first segment of endopodite, armature detail. OP. Morphology of apical setae of endopodite and exopodite. Q. Maxilla. R. Idem, short crown-like seta." figureDoi="http://doi.org/10.5281/zenodo.6580768" httpUri="https://zenodo.org/record/6580768/files/figure.png" pageId="7" pageNumber="47">Figs 2QR</figureCitation>
,
<figureCitation id="132B03EDFFADFF93FCAC737CFCD9A756" box="[798,869,831,858]" captionStart="Fig" captionStartId="8.[227,270,1895,1921]" captionTargetBox="[281,1382,302,1856]" captionTargetId="figure-76@8.[281,1382,302,1856]" captionTargetPageId="8" captionText="Fig. 5. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic femalefrom Jurubatiba National Park.A. Habitus.B. Head.C.Antennule.DH.Antennule ornamentation (arrows show teeth organized in groups). I. Antenna. JK. Antenna in lateral view, showing its base and first exopodite segment. LO. Antennal setae. PQ. Maxilla (arrow shows the short crown-like seta). Scale bars: AB, I = 100 µm; CH, JQ = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580774" httpUri="https://zenodo.org/record/6580774/files/figure.png" pageId="7" pageNumber="47">5PQ</figureCitation>
). Well developed, with three setulated setae and one short stout protuberance resembling crown-like seta.
</paragraph>
<caption id="DF6F4FE0FFAFFF91FF5176BCFE5EAC1C" ID-DOI="http://doi.org/10.5281/zenodo.6580768" ID-Zenodo-Dep="6580768" httpUri="https://zenodo.org/record/6580768/files/figure.png" pageId="5" pageNumber="45" startId="5.[227,270,1791,1817]" targetBox="[444,1225,309,1758]" targetPageId="5">
<paragraph id="8BAF1F68FFAFFF91FF5176BCFE5EAC1C" blockId="5.[226,1437,1791,2029]" lastBlockId="5.[228,482,2037,2064]" pageId="5" pageNumber="45">
<emphasis id="B964C37AFFAFFF91FF5176BCFE8CA315" bold="true" box="[227,304,1791,1817]" pageId="5" pageNumber="45">Fig. 2.</emphasis>
<taxonomicName id="4C1064EBFFAFFF91FE8576BCFBCDA317" authority="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityName="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityYear="2022" box="[311,1137,1791,1819]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="5" pageNumber="45" phylum="Arthropoda" rank="species" species="accolismaris" status="sp. nov.">
<emphasis id="B964C37AFFAFFF91FE8576BCFD3AA315" box="[311,646,1791,1817]" italics="true" pageId="5" pageNumber="45">Acantholeberis accolismaris</emphasis>
Sousa, Elmoor-Loureiro &amp; Álvarez-Silva
</taxonomicName>
<taxonomicNameLabel id="A2577E01FFAFFF91FBCA76BCFB69A315" box="[1144,1237,1791,1817]" pageId="5" pageNumber="45" rank="species">sp. nov.</taxonomicNameLabel>
, parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696).
<emphasis id="B964C37AFFAFFF91FBB37761FBAAA330" bold="true" box="[1025,1046,1826,1852]" pageId="5" pageNumber="45">A</emphasis>
. Habitus, holotype.
<emphasis id="B964C37AFFAFFF91FAB17761FA86A330" bold="true" box="[1283,1338,1826,1852]" pageId="5" pageNumber="45">BC</emphasis>
. Lateral view, shape variation of carapace.
<emphasis id="B964C37AFFAFFF91FD247706FD17A353" bold="true" box="[662,683,1861,1887]" pageId="5" pageNumber="45">D</emphasis>
. Ventral view.
<emphasis id="B964C37AFFAFFF91FCDF7706FC3DA353" bold="true" box="[877,897,1861,1887]" pageId="5" pageNumber="45">E</emphasis>
. Dorsal view.
<emphasis id="B964C37AFFAFFF91FB8F7706FBF3A353" bold="true" box="[1085,1103,1861,1887]" pageId="5" pageNumber="45">F</emphasis>
. Outwardly directed setae.
<emphasis id="B964C37AFFAFFF91FF51772BFF46A38E" bold="true" box="[227,250,1896,1922]" pageId="5" pageNumber="45">G</emphasis>
. Plumose and ventrally directed setae.
<emphasis id="B964C37AFFAFFF91FD61772AFD54A38F" bold="true" box="[723,744,1897,1923]" pageId="5" pageNumber="45">H</emphasis>
. Horn-like outgrowth anterior to labrum.
<emphasis id="B964C37AFFAFFF91FB53772AFB56A38F" bold="true" box="[1249,1258,1897,1923]" pageId="5" pageNumber="45">I</emphasis>
. Dorsal organ.
<emphasis id="B964C37AFFAFFF91FF5777CFFF4EA3AA" bold="true" box="[229,242,1932,1958]" pageId="5" pageNumber="45">J</emphasis>
. Antennule.
<emphasis id="B964C37AFFAFFF91FE3D77CFFE18A3AA" bold="true" box="[399,420,1932,1958]" pageId="5" pageNumber="45">K</emphasis>
. Idem, inner surface.
<emphasis id="B964C37AFFAFFF91FD0077CFFD7AA3AA" bold="true" box="[690,710,1932,1958]" pageId="5" pageNumber="45">L</emphasis>
. Antenna.
<emphasis id="B964C37AFFAFFF91FCFF77CFFCD5A3AA" bold="true" box="[845,873,1932,1958]" pageId="5" pageNumber="45">M</emphasis>
. Idem, first segment of exopodite, distal outer spine and inner sensory seta on basal segment.
<emphasis id="B964C37AFFAFFF91FC9477ECFC87A3C5" bold="true" box="[806,827,1967,1993]" pageId="5" pageNumber="45">N</emphasis>
. Idem, lateral seta of first segment of endopodite, armature detail.
<emphasis id="B964C37AFFAFFF91FE157791FE61A3E0" bold="true" box="[423,477,2002,2028]" pageId="5" pageNumber="45">OP</emphasis>
. Morphology of apical setae of endopodite and exopodite.
<emphasis id="B964C37AFFAFFF91FB137791FB04A3E0" bold="true" box="[1185,1208,2002,2028]" pageId="5" pageNumber="45">Q</emphasis>
. Maxilla.
<emphasis id="B964C37AFFAFFF91FA877791FAF5A3E0" bold="true" box="[1333,1353,2002,2028]" pageId="5" pageNumber="45">R</emphasis>
. Idem, short crown-like seta.
</paragraph>
</caption>
<caption id="DF6F4FE0FFACFF92FF517763FAE2AC01" ID-DOI="http://doi.org/10.5281/zenodo.6580770" ID-Zenodo-Dep="6580770" httpUri="https://zenodo.org/record/6580770/files/figure.png" pageId="6" pageNumber="46" startId="6.[227,270,1824,1850]" targetBox="[434,1231,309,1780]" targetPageId="6">
<paragraph id="8BAF1F68FFACFF92FF517763FAE2AC01" blockId="6.[225,1437,1824,2062]" pageId="6" pageNumber="46">
<emphasis id="B964C37AFFACFF92FF517763FE8CA336" bold="true" box="[227,304,1824,1850]" pageId="6" pageNumber="46">Fig. 3.</emphasis>
<taxonomicName id="4C1064EBFFACFF92FE857763FBCDA331" authority="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityName="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityYear="2022" box="[311,1137,1824,1853]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="6" pageNumber="46" phylum="Arthropoda" rank="species" species="accolismaris" status="sp. nov.">
<emphasis id="B964C37AFFACFF92FE857763FD3AA336" box="[311,646,1824,1850]" italics="true" pageId="6" pageNumber="46">Acantholeberis accolismaris</emphasis>
Sousa, Elmoor-Loureiro &amp; Álvarez-Silva
</taxonomicName>
<taxonomicNameLabel id="A2577E01FFACFF92FBCA7762FB69A337" box="[1144,1237,1825,1851]" pageId="6" pageNumber="46" rank="species">sp. nov.</taxonomicNameLabel>
, parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696).
<emphasis id="B964C37AFFACFF92FB947700FB87A351" bold="true" box="[1062,1083,1859,1885]" pageId="6" pageNumber="46">A</emphasis>
. First limb.
<emphasis id="B964C37AFFACFF92FB677700FB55A351" bold="true" box="[1237,1257,1859,1885]" pageId="6" pageNumber="46">B</emphasis>
. Idem, endites and stiff setae.
<emphasis id="B964C37AFFACFF92FE247725FE17A38C" bold="true" box="[406,427,1894,1920]" pageId="6" pageNumber="46">C</emphasis>
. Idem, morphology of stiff setae of endites.
<emphasis id="B964C37AFFACFF92FC0B7724FC72A38D" bold="true" box="[953,974,1895,1921]" pageId="6" pageNumber="46">D</emphasis>
. Inner distal lobe and outer distal lobe.
<emphasis id="B964C37AFFACFF92FF5177C9FF4AA3A8" bold="true" box="[227,246,1930,1956]" pageId="6" pageNumber="46">E</emphasis>
. Second limb.
<emphasis id="B964C37AFFACFF92FE1D77C9FE7DA3A8" bold="true" box="[431,449,1930,1956]" pageId="6" pageNumber="46">F</emphasis>
. Idem, gnathobase.
<emphasis id="B964C37AFFACFF92FD0677CAFD77A3AF" bold="true" box="[692,715,1929,1955]" pageId="6" pageNumber="46">G</emphasis>
. Idem, comparative system of proportion of scrapers, white circles represent
<taxonomicName id="4C1064EBFFACFF92FE1677EEFC16A3CB" authority="Paggi &amp; Herrera-Martinez, 2020" authorityName="Paggi &amp; Herrera-Martinez" authorityYear="2020" box="[420,938,1965,1991]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="6" pageNumber="46" phylum="Arthropoda" rank="species" species="smirnovi">
<emphasis id="B964C37AFFACFF92FE1677EEFD96A3CB" box="[420,554,1965,1991]" italics="true" pageId="6" pageNumber="46">A. smirnovi</emphasis>
<bibRefCitation id="EF816299FFACFF92FD8377EEFC16A3CB" author="Paggi J. C. &amp; Herrera-Martinez Y." box="[561,938,1965,1991]" pageId="6" pageNumber="46" pagination="1345 - 1362" refId="ref8297" refString="Paggi J. C. &amp; Herrera-Martinez Y. 2020. Presence of Acantholeberis Lilljeborg (Cladocera, Anomopoda) in South America, with remarks on the taxonomy and geographic distribution of the genus. Zoologicheskiy Zhurnal 99: 1345 - 1362. https: // doi. org / 10.31857 / S 0044513420110057" type="journal article" year="2020">Paggi &amp; Herrera-Martinez, 2020</bibRefCitation>
</taxonomicName>
and black circles represent
<taxonomicName id="4C1064EBFFACFF92FB5477EEFA26A3CB" authority="Sousa &amp; Elmoor-Loureiro &amp; Freiry &amp; Álvarez-Silva &amp; Stenert &amp; Maltchik &amp; Lopes &amp; Bozelli, 2022" authorityName="Sousa &amp; Elmoor-Loureiro &amp; Freiry &amp; Álvarez-Silva &amp; Stenert &amp; Maltchik &amp; Lopes &amp; Bozelli" authorityYear="2022" box="[1254,1434,1965,1991]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="6" pageNumber="46" phylum="Arthropoda" rank="species" species="accolismaris" status="sp. nov.">
<emphasis id="B964C37AFFACFF92FB5477EEFA26A3CB" box="[1254,1434,1965,1991]" italics="true" pageId="6" pageNumber="46">A. accolismaris</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2577E01FFACFF92FF537792FE85A3E7" box="[225,313,2001,2027]" pageId="6" pageNumber="46" rank="species">sp. nov.</taxonomicNameLabel>
<emphasis id="B964C37AFFACFF92FE8C7793FEE9A3E6" bold="true" box="[318,341,2000,2026]" pageId="6" pageNumber="46">H</emphasis>
. Third limb.
<emphasis id="B964C37AFFACFF92FE5B7793FDAEA3E6" bold="true" box="[489,530,2000,2026]" pageId="6" pageNumber="46">IJ</emphasis>
. Idem, distal endite, arrow indicating the posterior seta.
<emphasis id="B964C37AFFACFF92FB247793FB11A3E6" bold="true" box="[1174,1197,2000,2026]" pageId="6" pageNumber="46">K</emphasis>
. Idem, ganathobase.
<emphasis id="B964C37AFFACFF92FF5377B0FF49AC01" bold="true" box="[225,245,2035,2061]" pageId="6" pageNumber="46">L</emphasis>
. Fourth limb.
<emphasis id="B964C37AFFACFF92FE2D77B0FE07AC01" bold="true" box="[415,443,2035,2061]" pageId="6" pageNumber="46">M</emphasis>
. Idem, seta 1 of distal endite.
<emphasis id="B964C37AFFACFF92FCAE77B0FC8DAC01" bold="true" box="[796,817,2035,2061]" pageId="6" pageNumber="46">N</emphasis>
. Fifth limb.
<emphasis id="B964C37AFFACFF92FC7777B0FC60AC01" bold="true" box="[965,988,2035,2061]" pageId="6" pageNumber="46">O</emphasis>
. Idem, inner lobe.
<emphasis id="B964C37AFFACFF92FB0877B0FB70AC01" bold="true" box="[1210,1228,2035,2061]" pageId="6" pageNumber="46">P</emphasis>
. Sixth limb.
</paragraph>
</caption>
<paragraph id="8BAF1F68FFADFF9FFF5173E7FCDBA0EA" blockId="7.[226,1437,931,1310]" lastBlockId="11.[226,1438,303,1255]" lastPageId="11" lastPageNumber="51" pageId="7" pageNumber="47">
THORACIC LIMBS (
<figureCitation id="132B03EDFFADFF93FE1D73E0FE40A7B2" box="[431,508,931,958]" captionStart="Fig" captionStartId="6.[227,270,1824,1850]" captionTargetBox="[434,1231,309,1780]" captionTargetId="figure-128@6.[430,1233,302,1793]" captionTargetPageId="6" captionText="Fig. 3. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. First limb. B. Idem, endites and stiff setae. C. Idem, morphology of stiff setae of endites. D. Inner distal lobe and outer distal lobe. E. Second limb. F. Idem, gnathobase. G. Idem, comparative system of proportion of scrapers, white circles representA. smirnovi Paggi &amp; Herrera-Martinez, 2020 and black circles representA. accolismaris sp. nov. H. Third limb.IJ. Idem, distal endite, arrow indicating the posterior seta.K. Idem, ganathobase. L. Fourth limb. M. Idem, seta 1 of distal endite. N. Fifth limb. O. Idem, inner lobe. P. Sixth limb." figureDoi="http://doi.org/10.5281/zenodo.6580770" httpUri="https://zenodo.org/record/6580770/files/figure.png" pageId="7" pageNumber="47">Figs 3</figureCitation>
,
<figureCitation id="132B03EDFFADFF93FDBF73E7FDA2A7B2" box="[525,542,932,958]" captionStart="Fig" captionStartId="10.[227,270,1859,1885]" captionTargetBox="[290,1374,304,1834]" captionTargetId="figure-100@10.[290,1374,304,1834]" captionTargetPageId="10" captionText="Fig. 7. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park.AC. First limb.A. Stiff seta on first endite. B. Stiff setae on second and third endites. C. Setae df on endite 2. DG. Second limb. D. Partial view of the endite. E. Scraper 8. FG. Gnathobase, arrow shows the position of fourth element. HK. Third limb. HI. Exopodite. JK. Distal endite, arrows indicate the sensilla. LN. Fourth limb. L. General view. M. Exopodite. N. Endite and gnathobase. OP. Fifth limb. Q. Sixth limb. Scale bars: 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580780" httpUri="https://zenodo.org/record/6580780/files/figure.png" pageId="7" pageNumber="47">7</figureCitation>
). Six pairs of thoracic limbs.
<emphasis id="B964C37AFFADFF93FC3F73E0FC62A7B1" box="[909,990,931,957]" italics="true" pageId="7" pageNumber="47">Limb I</emphasis>
(
<figureCitation id="132B03EDFFADFF93FC4373E0FBC6A7B2" box="[1009,1146,931,958]" captionStart="Fig" captionStartId="6.[227,270,1824,1850]" captionTargetBox="[434,1231,309,1780]" captionTargetId="figure-128@6.[430,1233,302,1793]" captionTargetPageId="6" captionText="Fig. 3. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. First limb. B. Idem, endites and stiff setae. C. Idem, morphology of stiff setae of endites. D. Inner distal lobe and outer distal lobe. E. Second limb. F. Idem, gnathobase. G. Idem, comparative system of proportion of scrapers, white circles representA. smirnovi Paggi &amp; Herrera-Martinez, 2020 and black circles representA. accolismaris sp. nov. H. Third limb.IJ. Idem, distal endite, arrow indicating the posterior seta.K. Idem, ganathobase. L. Fourth limb. M. Idem, seta 1 of distal endite. N. Fifth limb. O. Idem, inner lobe. P. Sixth limb." figureDoi="http://doi.org/10.5281/zenodo.6580770" httpUri="https://zenodo.org/record/6580770/files/figure.png" pageId="7" pageNumber="47">Figs 3AD</figureCitation>
,
<figureCitation id="132B03EDFFADFF93FB3B73E7FB68A7B2" box="[1161,1236,932,958]" captionStart="Fig" captionStartId="10.[227,270,1859,1885]" captionTargetBox="[290,1374,304,1834]" captionTargetId="figure-100@10.[290,1374,304,1834]" captionTargetPageId="10" captionText="Fig. 7. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park.AC. First limb.A. Stiff seta on first endite. B. Stiff setae on second and third endites. C. Setae df on endite 2. DG. Second limb. D. Partial view of the endite. E. Scraper 8. FG. Gnathobase, arrow shows the position of fourth element. HK. Third limb. HI. Exopodite. JK. Distal endite, arrows indicate the sensilla. LN. Fourth limb. L. General view. M. Exopodite. N. Endite and gnathobase. OP. Fifth limb. Q. Sixth limb. Scale bars: 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580780" httpUri="https://zenodo.org/record/6580780/files/figure.png" pageId="7" pageNumber="47">7AC</figureCitation>
). Accessory seta plumose, ODL armed with two apical setae; first seta short and naked, about 0.2 times as long as second seta; second seta bisegmented, armed with short spinule on distal part, markedly long, about 2.6 times as long as accessory seta. IDL (en4) with two rows of short setulae on posterior surface and three apical setae; first seta about two times as short as second seta; second seta bisegmented and armed with short setulae on distal part about, 1.8 times as short as third seta; third seta bisegmented, markedly long and armed with short setulae on distal part. Endite 3 armed with a anterior seta (1), three posterior setae (ac) which bears short setulae and a stiff seta, setae (ab) similar in length and slightly longer than seta (c), stiff setae denticulated, shorter than setae (ac). Endite 2 armed with three posterior setae (df) and a denticulated stiff seta, setae (df) bisegmented with proximal part armed with short spinulae, distal part plumose. Endite 1 with three posterior setae (gi) and a denticulated stiff seta; setae (gi) bisegmented and armed with short spinulae. Two ejector hooks of different lengths armed with short spinulae on distal part. Gnathobase with four setulated setae.
<emphasis id="B964C37AFFA3FF9DFC747111FB9CA560" box="[966,1056,338,364]" italics="true" pageId="9" pageNumber="49">Limb II</emphasis>
(
<figureCitation id="132B03EDFFA3FF9DFB9D7111FB0FA560" box="[1071,1203,338,364]" captionStart="Fig" captionStartId="6.[227,270,1824,1850]" captionTargetBox="[434,1231,309,1780]" captionTargetId="figure-128@6.[430,1233,302,1793]" captionTargetPageId="6" captionText="Fig. 3. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. First limb. B. Idem, endites and stiff setae. C. Idem, morphology of stiff setae of endites. D. Inner distal lobe and outer distal lobe. E. Second limb. F. Idem, gnathobase. G. Idem, comparative system of proportion of scrapers, white circles representA. smirnovi Paggi &amp; Herrera-Martinez, 2020 and black circles representA. accolismaris sp. nov. H. Third limb.IJ. Idem, distal endite, arrow indicating the posterior seta.K. Idem, ganathobase. L. Fourth limb. M. Idem, seta 1 of distal endite. N. Fifth limb. O. Idem, inner lobe. P. Sixth limb." figureDoi="http://doi.org/10.5281/zenodo.6580770" httpUri="https://zenodo.org/record/6580770/files/figure.png" pageId="9" pageNumber="49">Figs 3EG</figureCitation>
,
<figureCitation id="132B03EDFFA3FF9DFB707111FAB2A560" box="[1218,1294,338,364]" captionStart="Fig" captionStartId="10.[227,270,1859,1885]" captionTargetBox="[290,1374,304,1834]" captionTargetId="figure-100@10.[290,1374,304,1834]" captionTargetPageId="10" captionText="Fig. 7. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park.AC. First limb.A. Stiff seta on first endite. B. Stiff setae on second and third endites. C. Setae df on endite 2. DG. Second limb. D. Partial view of the endite. E. Scraper 8. FG. Gnathobase, arrow shows the position of fourth element. HK. Third limb. HI. Exopodite. JK. Distal endite, arrows indicate the sensilla. LN. Fourth limb. L. General view. M. Exopodite. N. Endite and gnathobase. OP. Fifth limb. Q. Sixth limb. Scale bars: 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580780" httpUri="https://zenodo.org/record/6580780/files/figure.png" pageId="9" pageNumber="49">7DG</figureCitation>
). Exopodite elongated, armed with three setae (ac); setae (a) and (c) of similar length; seta (b) about 1.8 times as long as others. Inner lobe with eight bisegmented scrapers and nine setulated soft setae; scrapers 14 armed with short and fine spinulae on distal part, scrapers 5 and 6 armed with thin denticles, scraper 6 armed with short spines, scraper 8 armed with up to five thick denticles; scraper 6 markedly longer than scrapers 5, 7 and 8 which are similar in length. Gnathobase with naked proximal portion, distal portion armed with five elements; filter comb with eight setulated setae.
<emphasis id="B964C37AFFA1FF9FFB8C716CFB23A545" box="[1086,1183,303,329]" italics="true" pageId="11" pageNumber="51">Limb III</emphasis>
(
<figureCitation id="132B03EDFFA1FF9FFB02716CFA8BA545" box="[1200,1335,303,329]" captionStart="Fig" captionStartId="6.[227,270,1824,1850]" captionTargetBox="[434,1231,309,1780]" captionTargetId="figure-128@6.[430,1233,302,1793]" captionTargetPageId="6" captionText="Fig. 3. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. First limb. B. Idem, endites and stiff setae. C. Idem, morphology of stiff setae of endites. D. Inner distal lobe and outer distal lobe. E. Second limb. F. Idem, gnathobase. G. Idem, comparative system of proportion of scrapers, white circles representA. smirnovi Paggi &amp; Herrera-Martinez, 2020 and black circles representA. accolismaris sp. nov. H. Third limb.IJ. Idem, distal endite, arrow indicating the posterior seta.K. Idem, ganathobase. L. Fourth limb. M. Idem, seta 1 of distal endite. N. Fifth limb. O. Idem, inner lobe. P. Sixth limb." figureDoi="http://doi.org/10.5281/zenodo.6580770" httpUri="https://zenodo.org/record/6580770/files/figure.png" pageId="11" pageNumber="51">Figs 3HK</figureCitation>
,
<figureCitation id="132B03EDFFA1FF9FFAF1716CFA2CA545" box="[1347,1424,303,329]" captionStart="Fig" captionStartId="10.[227,270,1859,1885]" captionTargetBox="[290,1374,304,1834]" captionTargetId="figure-100@10.[290,1374,304,1834]" captionTargetPageId="10" captionText="Fig. 7. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park.AC. First limb.A. Stiff seta on first endite. B. Stiff setae on second and third endites. C. Setae df on endite 2. DG. Second limb. D. Partial view of the endite. E. Scraper 8. FG. Gnathobase, arrow shows the position of fourth element. HK. Third limb. HI. Exopodite. JK. Distal endite, arrows indicate the sensilla. LN. Fourth limb. L. General view. M. Exopodite. N. Endite and gnathobase. OP. Fifth limb. Q. Sixth limb. Scale bars: 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580780" httpUri="https://zenodo.org/record/6580780/files/figure.png" pageId="11" pageNumber="51">7HK</figureCitation>
). Epipodite with short finger-like projection. Exopodite rectangular about 2.4 times as high as wide, with five distal (15) and three plumose lateral setae (68); seta 1 slightly shorter than seta 8; seta 3 about 0.8 times as long as seta 4; seta 4 about 0.7 times as long as exopodite; seta 6 about 0.4 times as long as seta 7; seta 8 about 0.7 times as long as exopodite. Distal endite armed with one posterior and three anterior setae (13) and two elements (
<figureCitation id="132B03EDFFA1FF9FFD1771B3FCA1A606" box="[677,797,496,522]" captionStart="Fig" captionStartId="10.[227,270,1859,1885]" captionTargetBox="[290,1374,304,1834]" captionTargetId="figure-100@10.[290,1374,304,1834]" captionTargetPageId="10" captionText="Fig. 7. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park.AC. First limb.A. Stiff seta on first endite. B. Stiff setae on second and third endites. C. Setae df on endite 2. DG. Second limb. D. Partial view of the endite. E. Scraper 8. FG. Gnathobase, arrow shows the position of fourth element. HK. Third limb. HI. Exopodite. JK. Distal endite, arrows indicate the sensilla. LN. Fourth limb. L. General view. M. Exopodite. N. Endite and gnathobase. OP. Fifth limb. Q. Sixth limb. Scale bars: 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580780" httpUri="https://zenodo.org/record/6580780/files/figure.png" pageId="11" pageNumber="51">Fig. 7HJ</figureCitation>
); setae 1 with spinulae on distal part, about 1.8 times as long as setae 23 which are setulated on distal part and have similar length. Basal endite with four setae (47) increasing in length distally, seta 7 markedly longer than seta 6. Eight long and setulated posterior setae increasing in length towards gnathobase (ah). Gnathobase armed with four elements (14), bottle-shaped sensillum on proximal part (1), distal part with element of sharp apex (2) and two naked elements (34). Filter comb with nine setae.
<emphasis id="B964C37AFFA1FF9FFD4F72F3FCE0A6C6" box="[765,860,688,714]" italics="true" pageId="11" pageNumber="51">Limb IV</emphasis>
(
<figureCitation id="132B03EDFFA1FF9FFCD972F3FC4EA6C7" box="[875,1010,688,715]" captionStart="Fig" captionStartId="6.[227,270,1824,1850]" captionTargetBox="[434,1231,309,1780]" captionTargetId="figure-128@6.[430,1233,302,1793]" captionTargetPageId="6" captionText="Fig. 3. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. First limb. B. Idem, endites and stiff setae. C. Idem, morphology of stiff setae of endites. D. Inner distal lobe and outer distal lobe. E. Second limb. F. Idem, gnathobase. G. Idem, comparative system of proportion of scrapers, white circles representA. smirnovi Paggi &amp; Herrera-Martinez, 2020 and black circles representA. accolismaris sp. nov. H. Third limb.IJ. Idem, distal endite, arrow indicating the posterior seta.K. Idem, ganathobase. L. Fourth limb. M. Idem, seta 1 of distal endite. N. Fifth limb. O. Idem, inner lobe. P. Sixth limb." figureDoi="http://doi.org/10.5281/zenodo.6580770" httpUri="https://zenodo.org/record/6580770/files/figure.png" pageId="11" pageNumber="51">Figs 3LM</figureCitation>
,
<figureCitation id="132B03EDFFA1FF9FFC4F72F2FBFBA6C7" box="[1021,1095,689,715]" captionStart="Fig" captionStartId="10.[227,270,1859,1885]" captionTargetBox="[290,1374,304,1834]" captionTargetId="figure-100@10.[290,1374,304,1834]" captionTargetPageId="10" captionText="Fig. 7. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park.AC. First limb.A. Stiff seta on first endite. B. Stiff setae on second and third endites. C. Setae df on endite 2. DG. Second limb. D. Partial view of the endite. E. Scraper 8. FG. Gnathobase, arrow shows the position of fourth element. HK. Third limb. HI. Exopodite. JK. Distal endite, arrows indicate the sensilla. LN. Fourth limb. L. General view. M. Exopodite. N. Endite and gnathobase. OP. Fifth limb. Q. Sixth limb. Scale bars: 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580780" httpUri="https://zenodo.org/record/6580780/files/figure.png" pageId="11" pageNumber="51">7LN</figureCitation>
). Exopodite subquadrangular with portion between distal and lateral setae densely setulated; five distal (15) and three lateral setae (68); seta 1 geniculated and unilaterally armed with short spinulae, about two times as long as seta 2; seta 5 about 0.6 times as long as seta 1 and about 1.8 times as long as seta 4; lateral setae plumose, seta 8 longer than setae 7 and 6. Distal endite with four setae (14), seta 1 scraper-like and with thin spine at distal portion, flaming-torch-like setae (34) armed with long setulae, seta 3 is shorter than setae 2 and 4. Basal endite armed with five setulated setae increasing in length towards gnathobase (ae). Gnathobase thick, with three elements and curved setulated seta; filter plate with eight setae.
<emphasis id="B964C37AFFA1FF9FFB1B73FDFB43A7D4" box="[1193,1279,958,984]" italics="true" pageId="11" pageNumber="51">Limb V</emphasis>
(
<figureCitation id="132B03EDFFA1FF9FFAA073FDFA25A7D5" box="[1298,1433,958,985]" captionStart="Fig" captionStartId="6.[227,270,1824,1850]" captionTargetBox="[434,1231,309,1780]" captionTargetId="figure-128@6.[430,1233,302,1793]" captionTargetPageId="6" captionText="Fig. 3. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. First limb. B. Idem, endites and stiff setae. C. Idem, morphology of stiff setae of endites. D. Inner distal lobe and outer distal lobe. E. Second limb. F. Idem, gnathobase. G. Idem, comparative system of proportion of scrapers, white circles representA. smirnovi Paggi &amp; Herrera-Martinez, 2020 and black circles representA. accolismaris sp. nov. H. Third limb.IJ. Idem, distal endite, arrow indicating the posterior seta.K. Idem, ganathobase. L. Fourth limb. M. Idem, seta 1 of distal endite. N. Fifth limb. O. Idem, inner lobe. P. Sixth limb." figureDoi="http://doi.org/10.5281/zenodo.6580770" httpUri="https://zenodo.org/record/6580770/files/figure.png" pageId="11" pageNumber="51">Figs 3NO</figureCitation>
,
<figureCitation id="132B03EDFFA1FF9FFF5673A6FE90A7F3" box="[228,300,997,1023]" captionStart="Fig" captionStartId="10.[227,270,1859,1885]" captionTargetBox="[290,1374,304,1834]" captionTargetId="figure-100@10.[290,1374,304,1834]" captionTargetPageId="10" captionText="Fig. 7. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park.AC. First limb.A. Stiff seta on first endite. B. Stiff setae on second and third endites. C. Setae df on endite 2. DG. Second limb. D. Partial view of the endite. E. Scraper 8. FG. Gnathobase, arrow shows the position of fourth element. HK. Third limb. HI. Exopodite. JK. Distal endite, arrows indicate the sensilla. LN. Fourth limb. L. General view. M. Exopodite. N. Endite and gnathobase. OP. Fifth limb. Q. Sixth limb. Scale bars: 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580780" httpUri="https://zenodo.org/record/6580780/files/figure.png" pageId="11" pageNumber="51">7OP</figureCitation>
). Pre-epipodite rounded and densely setulated, epipodite oval with short projection. Exopodite wide and lobed, armed with five (15) distal and two (67) lateral plumose setae; setae 12 of similar length and longer than seta 3; seta 4 slightly longer than seta 5; setae 6 and 7 of similar length. Inner lobe wide and densely setulated, armed with two long setae (12) and element; seta 2 armed with up 9 stiff setae followed by setulae, about 0.6 times as long as seta 1; setae 2 setulated. Gnathobasic filter plate with eight long setae.
<emphasis id="B964C37AFFA1FF9FFE5874E5FDF7A0CC" box="[490,587,1190,1216]" italics="true" pageId="11" pageNumber="51">Limb VI</emphasis>
(
<figureCitation id="132B03EDFFA1FF9FFDE874E5FD08A0CC" box="[602,692,1190,1216]" captionStart="Fig" captionStartId="6.[227,270,1824,1850]" captionTargetBox="[434,1231,309,1780]" captionTargetId="figure-128@6.[430,1233,302,1793]" captionTargetPageId="6" captionText="Fig. 3. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul (FDRS0696). A. First limb. B. Idem, endites and stiff setae. C. Idem, morphology of stiff setae of endites. D. Inner distal lobe and outer distal lobe. E. Second limb. F. Idem, gnathobase. G. Idem, comparative system of proportion of scrapers, white circles representA. smirnovi Paggi &amp; Herrera-Martinez, 2020 and black circles representA. accolismaris sp. nov. H. Third limb.IJ. Idem, distal endite, arrow indicating the posterior seta.K. Idem, ganathobase. L. Fourth limb. M. Idem, seta 1 of distal endite. N. Fifth limb. O. Idem, inner lobe. P. Sixth limb." figureDoi="http://doi.org/10.5281/zenodo.6580770" httpUri="https://zenodo.org/record/6580770/files/figure.png" pageId="11" pageNumber="51">Figs 3P</figureCitation>
,
<figureCitation id="132B03EDFFA1FF9FFD7074E5FD55A0CC" box="[706,745,1190,1216]" captionStart="Fig" captionStartId="10.[227,270,1859,1885]" captionTargetBox="[290,1374,304,1834]" captionTargetId="figure-100@10.[290,1374,304,1834]" captionTargetPageId="10" captionText="Fig. 7. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park.AC. First limb.A. Stiff seta on first endite. B. Stiff setae on second and third endites. C. Setae df on endite 2. DG. Second limb. D. Partial view of the endite. E. Scraper 8. FG. Gnathobase, arrow shows the position of fourth element. HK. Third limb. HI. Exopodite. JK. Distal endite, arrows indicate the sensilla. LN. Fourth limb. L. General view. M. Exopodite. N. Endite and gnathobase. OP. Fifth limb. Q. Sixth limb. Scale bars: 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580780" httpUri="https://zenodo.org/record/6580780/files/figure.png" pageId="11" pageNumber="51">7Q</figureCitation>
). Epipodite with short projection. Limb as elongated lobe, unilaterally setulated, with curved apex and wide base.
</paragraph>
<caption id="DF6F4FE0FFADFF93FF5177C4FD1CAC00" ID-DOI="http://doi.org/10.5281/zenodo.6580772" ID-Zenodo-Dep="6580772" httpUri="https://zenodo.org/record/6580772/files/figure.png" pageId="7" pageNumber="47" startId="7.[227,270,1927,1953]" targetBox="[231,1433,1369,1882]" targetPageId="7">
<paragraph id="8BAF1F68FFADFF93FF5177C4FD1CAC00" blockId="7.[226,1436,1927,2060]" pageId="7" pageNumber="47">
<emphasis id="B964C37AFFADFF93FF5177C4FE8CA3AE" bold="true" box="[227,304,1927,1954]" pageId="7" pageNumber="47">Fig. 4.</emphasis>
<taxonomicName id="4C1064EBFFADFF93FE8577CBFBCDA3A8" authority="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityName="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityYear="2022" box="[311,1137,1928,1956]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="7" pageNumber="47" phylum="Arthropoda" rank="species" species="accolismaris" status="sp. nov.">
<emphasis id="B964C37AFFADFF93FE8577CBFD3AA3AE" box="[311,646,1928,1954]" italics="true" pageId="7" pageNumber="47">Acantholeberis accolismaris</emphasis>
Sousa, Elmoor-Loureiro &amp; Álvarez-Silva
</taxonomicName>
<taxonomicNameLabel id="A2577E01FFADFF93FBCA77CBFB69A3AE" box="[1144,1237,1928,1954]" pageId="7" pageNumber="47" rank="species">sp. nov.</taxonomicNameLabel>
, parthenogenetic female from the Planície Costeira, Rio Grande do Sul.
<emphasis id="B964C37AFFADFF93FC3977E8FC1CA3C9" bold="true" box="[907,928,1963,1989]" pageId="7" pageNumber="47">A</emphasis>
. Lateral view of postabdomen.
<emphasis id="B964C37AFFADFF93FA9B77E8FA81A3C9" bold="true" box="[1321,1341,1963,1989]" pageId="7" pageNumber="47">B</emphasis>
. Apical view of postabdomen.
<emphasis id="B964C37AFFADFF93FE41778DFDBBA3E4" bold="true" box="[499,519,1998,2024]" pageId="7" pageNumber="47">C</emphasis>
. Basal spines variation.
<emphasis id="B964C37AFFADFF93FC9E778DFCFCA3E4" bold="true" box="[812,832,1998,2024]" pageId="7" pageNumber="47">D</emphasis>
. Detail of postabdominal setae showing difference between proximal and distal segment.
</paragraph>
</caption>
<caption id="DF6F4FE0FFA2FF9CFF517724FC97AC03" ID-DOI="http://doi.org/10.5281/zenodo.6580774" ID-Zenodo-Dep="6580774" httpUri="https://zenodo.org/record/6580774/files/figure.png" pageId="8" pageNumber="48" startId="8.[227,270,1895,1921]" targetBox="[281,1382,302,1856]" targetPageId="8">
<paragraph id="8BAF1F68FFA2FF9CFF517724FC97AC03" blockId="8.[222,1436,1895,2063]" pageId="8" pageNumber="48">
<emphasis id="B964C37AFFA2FF9CFF517724FE8CA38D" bold="true" box="[227,304,1895,1921]" pageId="8" pageNumber="48">Fig. 5.</emphasis>
<taxonomicName id="4C1064EBFFA2FF9CFE857724FBCDA388" authority="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityName="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityYear="2022" box="[311,1137,1895,1924]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="8" pageNumber="48" phylum="Arthropoda" rank="species" species="accolismaris" status="sp. nov.">
<emphasis id="B964C37AFFA2FF9CFE857724FD3AA38D" box="[311,646,1895,1921]" italics="true" pageId="8" pageNumber="48">Acantholeberis accolismaris</emphasis>
Sousa, Elmoor-Loureiro &amp; Álvarez-Silva
</taxonomicName>
<taxonomicNameLabel id="A2577E01FFA2FF9CFBCA772BFB69A38E" box="[1144,1237,1896,1922]" pageId="8" pageNumber="48" rank="species">sp. nov.</taxonomicNameLabel>
, parthenogenetic female from Jurubatiba National Park.
<emphasis id="B964C37AFFA2FF9CFD2B77C9FD12A3A8" bold="true" box="[665,686,1930,1956]" pageId="8" pageNumber="48">A</emphasis>
. Habitus.
<emphasis id="B964C37AFFA2FF9CFC9277C8FC88A3A9" bold="true" box="[800,820,1931,1957]" pageId="8" pageNumber="48">B</emphasis>
. Head.
<emphasis id="B964C37AFFA2FF9CFC3A77C9FC21A3A8" bold="true" box="[904,925,1930,1956]" pageId="8" pageNumber="48">C</emphasis>
.Antennule.
<emphasis id="B964C37AFFA2FF9CFB9977C8FBDAA3A9" bold="true" box="[1067,1126,1931,1957]" pageId="8" pageNumber="48">DH</emphasis>
.Antennule ornamentation (arrows show teeth organized in groups).
<emphasis id="B964C37AFFA2FF9CFD7777EDFD6CA3C4" bold="true" box="[709,720,1966,1992]" pageId="8" pageNumber="48">I</emphasis>
. Antenna.
<emphasis id="B964C37AFFA2FF9CFCFE77EDFC3CA3C4" bold="true" box="[844,896,1966,1992]" pageId="8" pageNumber="48">JK</emphasis>
. Antenna in lateral view, showing its base and first exopodite segment.
<emphasis id="B964C37AFFA2FF9CFDB47792FD83A3E7" bold="true" box="[518,575,2001,2027]" pageId="8" pageNumber="48">LO</emphasis>
. Antennal setae.
<emphasis id="B964C37AFFA2FF9CFCA77792FCF7A3E7" bold="true" box="[789,843,2001,2027]" pageId="8" pageNumber="48">PQ</emphasis>
. Maxilla (arrow shows the short crown-like seta). Scale bars: AB, I = 100 µm; CH, JQ = 10 µm.
</paragraph>
</caption>
<caption id="DF6F4FE0FFA3FF9DFF577726FE89AC01" ID-DOI="http://doi.org/10.5281/zenodo.6580776" ID-Zenodo-Dep="6580776" httpUri="https://zenodo.org/record/6580776/files/figure.png" pageId="9" pageNumber="49" startId="9.[229,272,1893,1919]" targetBox="[227,1437,578,1855]" targetPageId="9">
<paragraph id="8BAF1F68FFA3FF9DFF577726FE89AC01" blockId="9.[225,1437,1893,2061]" pageId="9" pageNumber="49">
<emphasis id="B964C37AFFA3FF9DFF577726FE93A38C" bold="true" box="[229,303,1893,1920]" pageId="9" pageNumber="49">Fig. 6.</emphasis>
<taxonomicName id="4C1064EBFFA3FF9DFE847725FBD0A38E" authority="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityName="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityYear="2022" box="[310,1132,1894,1922]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="49" phylum="Arthropoda" rank="species" species="accolismaris" status="sp. nov.">
<emphasis id="B964C37AFFA3FF9DFE847725FD38A38C" box="[310,644,1894,1920]" italics="true" pageId="9" pageNumber="49">Acantholeberis accolismaris</emphasis>
Sousa, Elmoor-Loureiro &amp; Álvarez-Silva
</taxonomicName>
<taxonomicNameLabel id="A2577E01FFA3FF9DFBC07725FB73A38C" box="[1138,1231,1894,1920]" pageId="9" pageNumber="49" rank="species">sp. nov.</taxonomicNameLabel>
, parthenogenetic female from Jurubatiba National Park.
<emphasis id="B964C37AFFA3FF9DFD1477CAFD07A3AF" bold="true" box="[678,699,1929,1955]" pageId="9" pageNumber="49">A</emphasis>
. Valve.
<emphasis id="B964C37AFFA3FF9DFCA477CAFCF6A3AF" bold="true" box="[790,842,1929,1955]" pageId="9" pageNumber="49">BF</emphasis>
. Close view of selected regions of valve margin, as defined in subfigure A (arrows indicate some fine details).
<emphasis id="B964C37AFFA3FF9DFC3777EFFC7DA3CA" bold="true" box="[901,961,1964,1990]" pageId="9" pageNumber="49">GH</emphasis>
. Carapace ventral view.
<emphasis id="B964C37AFFA3FF9DFB6F77EFFB54A3CA" bold="true" box="[1245,1256,1964,1990]" pageId="9" pageNumber="49">I</emphasis>
. Postabdomen.
<emphasis id="B964C37AFFA3FF9DFF50778CFF4DA3E5" bold="true" box="[226,241,1999,2025]" pageId="9" pageNumber="49">J</emphasis>
. Postabdominal claw.
<emphasis id="B964C37AFFA3FF9DFE47778CFDB0A3E5" bold="true" box="[501,524,1999,2025]" pageId="9" pageNumber="49">K</emphasis>
. Basal spines of the claw (arrow). Scale bars: A, G, I = 100 µm; BF, H, JK = 10 µm.
</paragraph>
</caption>
<caption id="DF6F4FE0FFA0FF9EFF517700FBC8AC02" ID-DOI="http://doi.org/10.5281/zenodo.6580780" ID-Zenodo-Dep="6580780" httpUri="https://zenodo.org/record/6580780/files/figure.png" pageId="10" pageNumber="50" startId="10.[227,270,1859,1885]" targetBox="[290,1374,304,1834]" targetPageId="10">
<paragraph id="8BAF1F68FFA0FF9EFF517700FBC8AC02" blockId="10.[227,1437,1859,2062]" pageId="10" pageNumber="50">
<emphasis id="B964C37AFFA0FF9EFF517700FE8CA352" bold="true" box="[227,304,1859,1886]" pageId="10" pageNumber="50">Fig. 7.</emphasis>
<taxonomicName id="4C1064EBFFA0FF9EFE857700FBCDA36C" authority="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityName="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityYear="2022" box="[311,1137,1859,1888]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="10" pageNumber="50" phylum="Arthropoda" rank="species" species="accolismaris" status="sp. nov.">
<emphasis id="B964C37AFFA0FF9EFE857700FD3AA351" box="[311,646,1859,1885]" italics="true" pageId="10" pageNumber="50">Acantholeberis accolismaris</emphasis>
Sousa, Elmoor-Loureiro &amp; Álvarez-Silva
</taxonomicName>
<taxonomicNameLabel id="A2577E01FFA0FF9EFBCA7707FB69A352" box="[1144,1237,1860,1886]" pageId="10" pageNumber="50" rank="species">sp. nov.</taxonomicNameLabel>
, parthenogenetic female from Jurubatiba National Park.
<emphasis id="B964C37AFFA0FF9EFD2E7725FD69A38C" bold="true" box="[668,725,1894,1920]" pageId="10" pageNumber="50">AC</emphasis>
. First limb.A. Stiff seta on first endite. B. Stiff setae on second and third endites. C. Setae df on endite 2.
<emphasis id="B964C37AFFA0FF9EFD6F77C9FCA4A3A8" bold="true" box="[733,792,1930,1956]" pageId="10" pageNumber="50">DG</emphasis>
. Second limb. D. Partial view of the endite. E. Scraper 8. FG. Gnathobase, arrow shows the position of fourth element.
<emphasis id="B964C37AFFA0FF9EFBB177EEFB81A3CB" bold="true" box="[1027,1085,1965,1991]" pageId="10" pageNumber="50">HK</emphasis>
. Third limb. HI. Exopodite. JK. Distal endite, arrows indicate the sensilla.
<emphasis id="B964C37AFFA0FF9EFC9A7793FCE3A3E6" bold="true" box="[808,863,2000,2026]" pageId="10" pageNumber="50">LN</emphasis>
. Fourth limb. L. General view. M. Exopodite. N. Endite and gnathobase.
<emphasis id="B964C37AFFA0FF9EFDAD77B0FDEAAC01" bold="true" box="[543,598,2035,2061]" pageId="10" pageNumber="50">OP</emphasis>
. Fifth limb.
<emphasis id="B964C37AFFA0FF9EFD5877B0FCBDAC01" bold="true" box="[746,769,2035,2061]" pageId="10" pageNumber="50">Q</emphasis>
. Sixth limb. Scale bars: 10 µm.
</paragraph>
</caption>
<paragraph id="8BAF1F68FFA1FF9FFF517551FDBBA2A1" blockId="11.[225,1439,1297,1710]" pageId="11" pageNumber="51">
POSTABDMOMINAL STRUCTURES.
<emphasis id="B964C37AFFA1FF9FFDF37552FD0CA127" box="[577,688,1297,1323]" italics="true" pageId="11" pageNumber="51">Abdomen</emphasis>
(
<figureCitation id="132B03EDFFA1FF9FFD0D7552FC9DA127" box="[703,801,1297,1323]" captionStart="Fig" captionStartId="7.[227,270,1927,1953]" captionTargetBox="[231,1433,1369,1882]" captionTargetId="figure-509@7.[227,1437,1362,1884]" captionTargetPageId="7" captionText="Fig. 4. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul. A. Lateral view of postabdomen. B. Apical view of postabdomen. C. Basal spines variation. D. Detail of postabdominal setae showing difference between proximal and distal segment." figureDoi="http://doi.org/10.5281/zenodo.6580772" httpUri="https://zenodo.org/record/6580772/files/figure.png" pageId="11" pageNumber="51">Figs 4A</figureCitation>
,
<figureCitation id="132B03EDFFA1FF9FFC9F7552FCF4A120" box="[813,840,1297,1324]" captionStart="Fig" captionStartId="9.[229,272,1893,1919]" captionTargetBox="[227,1437,578,1855]" captionTargetId="figure-192@9.[227,1437,578,1855]" captionTargetPageId="9" captionText="Fig. 6. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park. A. Valve. BF. Close view of selected regions of valve margin, as defined in subfigure A (arrows indicate some fine details). GH. Carapace ventral view. I. Postabdomen. J. Postabdominal claw. K. Basal spines of the claw (arrow). Scale bars: A, G, I = 100 µm; BF, H, JK = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580776" httpUri="https://zenodo.org/record/6580776/files/figure.png" pageId="11" pageNumber="51">6I</figureCitation>
). Elongated regularly arched, armed with up to ten rows of setulae of similar length, about 0.6 times as long as postabdomen.
<emphasis id="B964C37AFFA1FF9FFB85757BFB6BA15E" box="[1079,1239,1336,1362]" italics="true" pageId="11" pageNumber="51">Postabdomen</emphasis>
(
<figureCitation id="132B03EDFFA1FF9FFB54757BFAD5A15E" box="[1254,1385,1336,1362]" captionStart="Fig" captionStartId="7.[227,270,1927,1953]" captionTargetBox="[231,1433,1369,1882]" captionTargetId="figure-509@7.[227,1437,1362,1884]" captionTargetPageId="7" captionText="Fig. 4. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul. A. Lateral view of postabdomen. B. Apical view of postabdomen. C. Basal spines variation. D. Detail of postabdominal setae showing difference between proximal and distal segment." figureDoi="http://doi.org/10.5281/zenodo.6580772" httpUri="https://zenodo.org/record/6580772/files/figure.png" pageId="11" pageNumber="51">Figs 4AB</figureCitation>
,
<figureCitation id="132B03EDFFA1FF9FFAC1757BFA32A15F" box="[1395,1422,1336,1363]" captionStart="Fig" captionStartId="9.[229,272,1893,1919]" captionTargetBox="[227,1437,578,1855]" captionTargetId="figure-192@9.[227,1437,578,1855]" captionTargetPageId="9" captionText="Fig. 6. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park. A. Valve. BF. Close view of selected regions of valve margin, as defined in subfigure A (arrows indicate some fine details). GH. Carapace ventral view. I. Postabdomen. J. Postabdominal claw. K. Basal spines of the claw (arrow). Scale bars: A, G, I = 100 µm; BF, H, JK = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580776" httpUri="https://zenodo.org/record/6580776/files/figure.png" pageId="11" pageNumber="51">6I</figureCitation>
). In frontal view clearly trilobed and massive. In lateral view wide, height/length ratio about 0.7. Ventral margin slightly straight and armed with up to five rows of short setulae. Dorsal margin separated in anal and preanal parts; preanal margin armed with up to twenty-four groups organized in 23 long setulae; anal margin about 0.3 of preanal margin length, armed with 1012 groups of setulae. Postabdominal setae longer than postabdomen length, bisegmented, proximal part of distal segment folded and densely setulated (
<figureCitation id="132B03EDFFA1FF9FFEEF765CFE02A235" box="[349,446,1567,1593]" captionStart="Fig" captionStartId="7.[227,270,1927,1953]" captionTargetBox="[231,1433,1369,1882]" captionTargetId="figure-509@7.[227,1437,1362,1884]" captionTargetPageId="7" captionText="Fig. 4. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul. A. Lateral view of postabdomen. B. Apical view of postabdomen. C. Basal spines variation. D. Detail of postabdominal setae showing difference between proximal and distal segment." figureDoi="http://doi.org/10.5281/zenodo.6580772" httpUri="https://zenodo.org/record/6580772/files/figure.png" pageId="11" pageNumber="51">Fig. 4D</figureCitation>
).
<emphasis id="B964C37AFFA1FF9FFE6A765CFD6AA235" box="[472,726,1567,1593]" italics="true" pageId="11" pageNumber="51">Postabdominal claws</emphasis>
(
<figureCitation id="132B03EDFFA1FF9FFD57765CFCD0A235" box="[741,876,1567,1593]" captionStart="Fig" captionStartId="7.[227,270,1927,1953]" captionTargetBox="[231,1433,1369,1882]" captionTargetId="figure-509@7.[227,1437,1362,1884]" captionTargetPageId="7" captionText="Fig. 4. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul. A. Lateral view of postabdomen. B. Apical view of postabdomen. C. Basal spines variation. D. Detail of postabdominal setae showing difference between proximal and distal segment." figureDoi="http://doi.org/10.5281/zenodo.6580772" httpUri="https://zenodo.org/record/6580772/files/figure.png" pageId="11" pageNumber="51">Figs 4AB</figureCitation>
,
<figureCitation id="132B03EDFFA1FF9FFCC8765CFC2AA236" box="[890,918,1567,1594]" captionStart="Fig" captionStartId="9.[229,272,1893,1919]" captionTargetBox="[227,1437,578,1855]" captionTargetId="figure-192@9.[227,1437,578,1855]" captionTargetPageId="9" captionText="Fig. 6. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park. A. Valve. BF. Close view of selected regions of valve margin, as defined in subfigure A (arrows indicate some fine details). GH. Carapace ventral view. I. Postabdomen. J. Postabdominal claw. K. Basal spines of the claw (arrow). Scale bars: A, G, I = 100 µm; BF, H, JK = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580776" httpUri="https://zenodo.org/record/6580776/files/figure.png" pageId="11" pageNumber="51">6I</figureCitation>
). About 0.4 times as long as postabdomen, with lateral and ventral surfaces completely covered with short and thin spines, pecten armed with thin spines.
<emphasis id="B964C37AFFA1FF9FFE8E762FFE6CA28A" box="[316,464,1644,1670]" italics="true" pageId="11" pageNumber="51">Basal spines</emphasis>
(
<figureCitation id="132B03EDFFA1FF9FFE53762FFDFEA28B" box="[481,578,1644,1671]" captionStart="Fig" captionStartId="7.[227,270,1927,1953]" captionTargetBox="[231,1433,1369,1882]" captionTargetId="figure-509@7.[227,1437,1362,1884]" captionTargetPageId="7" captionText="Fig. 4. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from the Planície Costeira, Rio Grande do Sul. A. Lateral view of postabdomen. B. Apical view of postabdomen. C. Basal spines variation. D. Detail of postabdominal setae showing difference between proximal and distal segment." figureDoi="http://doi.org/10.5281/zenodo.6580772" httpUri="https://zenodo.org/record/6580772/files/figure.png" pageId="11" pageNumber="51">Figs 4C</figureCitation>
,
<figureCitation id="132B03EDFFA1FF9FFDFD762FFDC4A28B" box="[591,632,1644,1671]" captionStart="Fig" captionStartId="9.[229,272,1893,1919]" captionTargetBox="[227,1437,578,1855]" captionTargetId="figure-192@9.[227,1437,578,1855]" captionTargetPageId="9" captionText="Fig. 6. Acantholeberis accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov., parthenogenetic female from Jurubatiba National Park. A. Valve. BF. Close view of selected regions of valve margin, as defined in subfigure A (arrows indicate some fine details). GH. Carapace ventral view. I. Postabdomen. J. Postabdominal claw. K. Basal spines of the claw (arrow). Scale bars: A, G, I = 100 µm; BF, H, JK = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.6580776" httpUri="https://zenodo.org/record/6580776/files/figure.png" pageId="11" pageNumber="51">6K</figureCitation>
). Cluster with two robust spines of variable length inserted laterally on postabdominal claws.
</paragraph>
<paragraph id="8BAF1F68FFA1FF9FFF517694FDF6A2FE" blockId="11.[227,586,1751,1778]" box="[227,586,1751,1778]" pageId="11" pageNumber="51">
<heading id="D0E7A804FFA1FF9FFF517694FDF6A2FE" bold="true" box="[227,586,1751,1778]" fontSize="11" level="3" pageId="11" pageNumber="51" reason="3">
<emphasis id="B964C37AFFA1FF9FFF517694FDF6A2FE" bold="true" box="[227,586,1751,1778]" pageId="11" pageNumber="51">Ephippial females and males</emphasis>
</heading>
</paragraph>
<paragraph id="8BAF1F68FFA1FF9FFF517749FECFA328" blockId="11.[227,371,1802,1828]" box="[227,371,1802,1828]" pageId="11" pageNumber="51">Not studied.</paragraph>
</subSubSection>
<subSubSection id="C30A4CE3FFA1FF9FFF51770DFA8FAC02" pageId="11" pageNumber="51" type="distribution">
<paragraph id="8BAF1F68FFA1FF9FFF51770DFDA9A364" blockId="11.[227,533,1870,1897]" box="[227,533,1870,1897]" pageId="11" pageNumber="51">
<heading id="D0E7A804FFA1FF9FFF51770DFDA9A364" bold="true" box="[227,533,1870,1897]" fontSize="11" level="3" pageId="11" pageNumber="51" reason="3">
<emphasis id="B964C37AFFA1FF9FFF51770DFDA9A364" bold="true" box="[227,533,1870,1897]" pageId="11" pageNumber="51">Distribution and biology</emphasis>
</heading>
</paragraph>
<paragraph id="8BAF1F68FFA1FF9FFF5177C2FA8FAC02" blockId="11.[227,1438,1920,2063]" pageId="11" pageNumber="51">
So far
<taxonomicName id="4C1064EBFFA1FF9FFE8677C3FBCAA391" authority="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityName="Sousa, Elmoor-Loureiro &amp; Alvarez-Silva" authorityYear="2022" box="[308,1142,1920,1949]" class="Branchiopoda" family="Acantholeberidae" genus="Acantholeberis" kingdom="Animalia" order="Diplostraca" pageId="11" pageNumber="51" phylum="Arthropoda" rank="species" species="accolismaris" status="sp. nov.">
<emphasis id="B964C37AFFA1FF9FFE8677C3FD38A396" box="[308,644,1920,1946]" italics="true" pageId="11" pageNumber="51">Acantholeberis accolismaris</emphasis>
Sousa, Elmoor-Loureiro &amp; Álvarez-Silva
</taxonomicName>
<taxonomicNameLabel id="A2577E01FFA1FF9FFBCD77C2FB67A397" box="[1151,1243,1921,1947]" pageId="11" pageNumber="51" rank="species">sp. nov.</taxonomicNameLabel>
is distributed in shallow water bodies on the Brazilian coast (
<figureCitation id="132B03EDFFA1FF9FFD4077E4FC8BA3CD" box="[754,823,1959,1985]" captionStart="Fig" captionStartId="2.[227,270,1931,1957]" captionTargetBox="[233,1433,568,1883]" captionTargetId="figure-119@2.[227,1437,562,1890]" captionTargetPageId="2" captionText="Fig. 1. Geographic distribution of species of Acantholeberis Lilljeborg, 1853 in South America. Black triangles represent previous records of A. smirnovi Paggi &amp; Herrera-Martinez, 2020 (Paggi &amp; Herrera- Martinez 2020). Asterisks show records of A. accolismaris Sousa, Elmoor-Loureiro &amp; Álvarez-Silva sp. nov." figureDoi="http://doi.org/10.5281/zenodo.6580766" httpUri="https://zenodo.org/record/6580766/files/figure.png" pageId="11" pageNumber="51">Fig. 1</figureCitation>
). It was found in temporary ponds in
<collectingRegion id="49D4D18AFFA1FF9FFB4677E4FA22A3CD" box="[1268,1438,1959,1985]" country="Brazil" name="Rio de Janeiro" pageId="11" pageNumber="51">Rio de Janeiro</collectingRegion>
and
<collectingRegion id="49D4D18AFFA1FF9FFEA7778EFE4FA3EB" box="[277,499,1997,2023]" country="Brazil" name="Rio Grande do Sul" pageId="11" pageNumber="51">Rio Grande do Sul</collectingRegion>
States. This is an acidophilic species living in water bodies with a pH between 4.2 and 5.1, at altitudes between 4 and
<quantity id="4CE8B28DFFA1FF9FFD1F77B7FD54AC03" box="[685,744,2036,2063]" metricMagnitude="1" metricUnit="m" metricValue="1.5" pageId="11" pageNumber="51" unit="m" value="15.0">15 m</quantity>
a.s.l., preferentially associated with macrophytes.
</paragraph>
</subSubSection>
</treatment>
</document>