<documentid="762FF9256D76E0F2263F556D92EDDF2E"ID-CLB-Dataset="54097"ID-DOI="10.11646/megataxa.4.1.1"ID-GBIF-Dataset="7c9bc39d-9910-46f1-9558-c0647b9cbbdb"ID-ISSN="2703-3090"ID-Zenodo-Dep="4591138"IM.materialsCitations_approvedBy="felipe"IM.metadata_approvedBy="felipe"IM.tables_approvedBy="jonas"IM.taxonomicNames_approvedBy="jonas"IM.treatments_approvedBy="felipe"checkinTime="1614033145335"checkinUser="plazi"docAuthor="Kim, Il-Hoi & Boxshall, Geoff A."docDate="2020"docId="03C487CBEDD038B4FF4DFC57FB2FFE3B"docLanguage="en"docName="megataxa.4.1.1.pdf.imf"docOrigin="Megataxa 4 (1)"docSource="http://zoobank.org/3fdd970e-62f1-4f67-8cce-10870bdb3c01"docStyle="DocumentStyle:50B6B96D96A55C21793B52C23E95B310.5:Megataxa.2020-.journal_article"docStyleId="50B6B96D96A55C21793B52C23E95B310"docStyleName="Megataxa.2020-.journal_article"docStyleVersion="5"docTitle="Nodoscarus dakarensis Kim & Boxshall 2020, gen. et sp. nov."docType="treatment"docVersion="11"lastPageNumber="642"masterDocId="FFFDFFB3EF513A35FFC5FFCEFFC5FFC1"masterDocTitle="Untold diversity: the astonishing species richness of the Notodelphyidae (Copepoda: Cyclopoida), a family of symbiotic copepods associated with ascidians (Tunicata)"masterLastPageNumber="6"masterPageNumber="1"pageNumber="642"updateTime="1738783121566"updateUser="jonas">
<mods:titleid="A6C44C27E7DB2BBFAD43E01AA1BFFDFE">Untold diversity: the astonishing species richness of the Notodelphyidae (Copepoda: Cyclopoida), a family of symbiotic copepods associated with ascidians (Tunicata)</mods:title>
<taxonomicNameid="4C6D4D5EEDD038B4FF4DFC57FE64FC75"ID-CoL="7ZGJW"authority="Kim & Boxshall, 2020"authorityName="Kim & Boxshall"authorityYear="2020"box="[136,417,921,948]"class="Copepoda"family="Notodelphyidae"genus="Nodoscarus"kingdom="Animalia"order="Cyclopoida"pageId="641"pageNumber="642"phylum="Arthropoda"rank="species"species="dakarensis"status="gen. et sp. nov.">
<taxonomicNameLabelid="A22A57B4EDD038B4FE6CFC57FD9AFC72"box="[425,607,921,947]"pageId="641"pageNumber="642"rank="species">gen. et sp. nov.</taxonomicNameLabel>
<collectionCodeid="ED7CAE18EDD038B4FF34FBA8FEAFFBBE"box="[241,362,1125,1152]"country="France"httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988"lsid="urn:lsid:biocol.org:col:34988"name="Museum National d'Histoire Naturelle"pageId="641"pageNumber="642">MNHNA</collectionCode>
<figureCitationid="13562A58EDD038B4FDC8FB23FDBAFAC9"box="[525,639,1261,1288]"captionStart="FIGURE 435"captionStartId="640.[136,245,1805,1831]"captionTargetBox="[141,1408,230,1728]"captionTargetId="figure-21@640.[136,1451,196,1768]"captionTargetPageId="640"captionText="FIGURE 435. Nodoscarus dakarensis gen. et sp. nov., female. A, habitus, right; B, posterior end of body, ventral; C, cephalic region, right; D, cephalic region, ventral; E, rostrum; F, antennule; G, antenna; H, mandible; I, maxillule; J, maxilla. Scale bars: A, 0.2 mm; B, C, 0.05 mm; D–G, 0.02 mm; H–J, 0.01 mm."figureDoi="http://doi.org/10.5281/zenodo.4592190"httpUri="https://zenodo.org/record/4592190/files/figure.png"pageId="641"pageNumber="642">Fig. 435A</figureCitation>
) vermiform, cylindrical, slightly arched ventrally, unsegmented, surface densely covered with fine setules. Body length 1.30 mm; body width 0.25 mm across widest mid-region. Anterior and posterior extremities of body blunt; posterior margin (
<figureCitationid="13562A58EDD038B4FF23FA59FE9DFA73"box="[230,344,1431,1458]"captionStart="FIGURE 435"captionStartId="640.[136,245,1805,1831]"captionTargetBox="[141,1408,230,1728]"captionTargetId="figure-21@640.[136,1451,196,1768]"captionTargetPageId="640"captionText="FIGURE 435. Nodoscarus dakarensis gen. et sp. nov., female. A, habitus, right; B, posterior end of body, ventral; C, cephalic region, right; D, cephalic region, ventral; E, rostrum; F, antennule; G, antenna; H, mandible; I, maxillule; J, maxilla. Scale bars: A, 0.2 mm; B, C, 0.05 mm; D–G, 0.02 mm; H–J, 0.01 mm."figureDoi="http://doi.org/10.5281/zenodo.4592190"httpUri="https://zenodo.org/record/4592190/files/figure.png"pageId="641"pageNumber="642">Fig. 435B</figureCitation>
) with weak median (anal) incision. No caudal rami or caudal setae present.
<figureCitationid="13562A58EDD038B4FE0FFA33FDAEF9D9"box="[458,619,1533,1560]"captionStart="FIGURE 435"captionStartId="640.[136,245,1805,1831]"captionTargetBox="[141,1408,230,1728]"captionTargetId="figure-21@640.[136,1451,196,1768]"captionTargetPageId="640"captionText="FIGURE 435. Nodoscarus dakarensis gen. et sp. nov., female. A, habitus, right; B, posterior end of body, ventral; C, cephalic region, right; D, cephalic region, ventral; E, rostrum; F, antennule; G, antenna; H, mandible; I, maxillule; J, maxilla. Scale bars: A, 0.2 mm; B, C, 0.05 mm; D–G, 0.02 mm; H–J, 0.01 mm."figureDoi="http://doi.org/10.5281/zenodo.4592190"httpUri="https://zenodo.org/record/4592190/files/figure.png"pageId="641"pageNumber="642">Fig. 435D, F</figureCitation>
) also lobate, unsegmented, wider than long with strongly tapering distal part; denselysetulose andsetae apparently absent.Antenna (
<figureCitationid="13562A58EDD038B4FF55F9ADFEC1F9BF"box="[144,260,1635,1662]"captionStart="FIGURE 435"captionStartId="640.[136,245,1805,1831]"captionTargetBox="[141,1408,230,1728]"captionTargetId="figure-21@640.[136,1451,196,1768]"captionTargetPageId="640"captionText="FIGURE 435. Nodoscarus dakarensis gen. et sp. nov., female. A, habitus, right; B, posterior end of body, ventral; C, cephalic region, right; D, cephalic region, ventral; E, rostrum; F, antennule; G, antenna; H, mandible; I, maxillule; J, maxilla. Scale bars: A, 0.2 mm; B, C, 0.05 mm; D–G, 0.02 mm; H–J, 0.01 mm."figureDoi="http://doi.org/10.5281/zenodo.4592190"httpUri="https://zenodo.org/record/4592190/files/figure.png"pageId="641"pageNumber="642">Fig. 435G</figureCitation>
) 3-segmented, stout; coxaandbasisunarmed; unsegmented endopod and terminal claw fused with each other, tapering to pointed tip, 2.5 times longer than wide (45×18 μm); armed with 5 small setae subdistally.
<figureCitationid="13562A58EDD038B4FD42F922FD3BF8C7"box="[647,766,1771,1798]"captionStart="FIGURE 435"captionStartId="640.[136,245,1805,1831]"captionTargetBox="[141,1408,230,1728]"captionTargetId="figure-21@640.[136,1451,196,1768]"captionTargetPageId="640"captionText="FIGURE 435. Nodoscarus dakarensis gen. et sp. nov., female. A, habitus, right; B, posterior end of body, ventral; C, cephalic region, right; D, cephalic region, ventral; E, rostrum; F, antennule; G, antenna; H, mandible; I, maxillule; J, maxilla. Scale bars: A, 0.2 mm; B, C, 0.05 mm; D–G, 0.02 mm; H–J, 0.01 mm."figureDoi="http://doi.org/10.5281/zenodo.4592190"httpUri="https://zenodo.org/record/4592190/files/figure.png"pageId="641"pageNumber="642">Fig. 435D</figureCitation>
). Mandible (
<figureCitationid="13562A58EDD038B4FEC7F8C0FEB0F8E9"box="[258,373,1805,1832]"captionStart="FIGURE 435"captionStartId="640.[136,245,1805,1831]"captionTargetBox="[141,1408,230,1728]"captionTargetId="figure-21@640.[136,1451,196,1768]"captionTargetPageId="640"captionText="FIGURE 435. Nodoscarus dakarensis gen. et sp. nov., female. A, habitus, right; B, posterior end of body, ventral; C, cephalic region, right; D, cephalic region, ventral; E, rostrum; F, antennule; G, antenna; H, mandible; I, maxillule; J, maxilla. Scale bars: A, 0.2 mm; B, C, 0.05 mm; D–G, 0.02 mm; H–J, 0.01 mm."figureDoi="http://doi.org/10.5281/zenodo.4592190"httpUri="https://zenodo.org/record/4592190/files/figure.png"pageId="641"pageNumber="642">Fig. 435H</figureCitation>
) unsegmented, but with constriction near middle; armed with 5 naked setae (2 subdistal and 3 distal). Maxillule (
<figureCitationid="13562A58EDD038B4FE9EF89CFE00F8AD"box="[347,453,1873,1900]"captionStart="FIGURE 435"captionStartId="640.[136,245,1805,1831]"captionTargetBox="[141,1408,230,1728]"captionTargetId="figure-21@640.[136,1451,196,1768]"captionTargetPageId="640"captionText="FIGURE 435. Nodoscarus dakarensis gen. et sp. nov., female. A, habitus, right; B, posterior end of body, ventral; C, cephalic region, right; D, cephalic region, ventral; E, rostrum; F, antennule; G, antenna; H, mandible; I, maxillule; J, maxilla. Scale bars: A, 0.2 mm; B, C, 0.05 mm; D–G, 0.02 mm; H–J, 0.01 mm."figureDoi="http://doi.org/10.5281/zenodo.4592190"httpUri="https://zenodo.org/record/4592190/files/figure.png"pageId="641"pageNumber="642">Fig. 435I</figureCitation>
) as lobe bearing 7 subequal, naked setae (3 on medial margin). Maxilla (
<figureCitationid="13562A58EDD038B4FD57F8BAFCC7F84F"box="[658,770,1907,1934]"captionStart="FIGURE 435"captionStartId="640.[136,245,1805,1831]"captionTargetBox="[141,1408,230,1728]"captionTargetId="figure-21@640.[136,1451,196,1768]"captionTargetPageId="640"captionText="FIGURE 435. Nodoscarus dakarensis gen. et sp. nov., female. A, habitus, right; B, posterior end of body, ventral; C, cephalic region, right; D, cephalic region, ventral; E, rostrum; F, antennule; G, antenna; H, mandible; I, maxillule; J, maxilla. Scale bars: A, 0.2 mm; B, C, 0.05 mm; D–G, 0.02 mm; H–J, 0.01 mm."figureDoi="http://doi.org/10.5281/zenodo.4592190"httpUri="https://zenodo.org/record/4592190/files/figure.png"pageId="641"pageNumber="642">Fig. 435J</figureCitation>
) incompletely 2-segmented, armedwith 6 naked setae, 1 on first segment and 5 (2 subdistal and 3 distal) on second; 1 distal seta markedly enlarged. Maxillipeds and legs absent.
<taxonomicNameid="4C6D4D5EEDD038B4FC2FFF01FB3BFF28"authority="Kim & Boxshall, 2020"authorityName="Kim & Boxshall"authorityYear="2020"box="[1002,1278,207,233]"class="Copepoda"family="Notodelphyidae"genus="Nodoscarus"kingdom="Animalia"order="Cyclopoida"pageId="641"pageNumber="642"phylum="Arthropoda"rank="species"species="dakarensis"status="gen. et sp. nov.">
<taxonomicNameLabelid="A22A57B4EDD038B4FAD0FF01FC9EFECA"pageId="641"pageNumber="642"rank="species">gen. et sp. nov.</taxonomicNameLabel>
</emphasis>
can be distinguished from its congeners by the characteristic form of its antenna and the setation patterns of the mouthparts. The endopod and terminal claw of the antenna are completely fused, a rare feature within the
. The mandible, maxillule and maxilla are armed with 5, 7, and 6 setae, respectively, each of these numbers is unique and not shared with any currently known species of
<taxonomicNameid="4C6D4D5EEDD038B4FC36FE11FBBCFE38"authority="Kim & Boxshall, 2020"authorityName="Kim & Boxshall"authorityYear="2020"box="[1011,1145,479,505]"class="Copepoda"family="Notodelphyidae"genus="Nodoscarus"kingdom="Animalia"order="Cyclopoida"pageId="641"pageNumber="642"phylum="Arthropoda"rank="genus"status="gen. nov.">