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<document id="26B396B25CE051C92D573B4B7D30E508" ID-DOI="10.1080/0022293021000030844" ID-ISSN="1464-5262" ID-Zenodo-Dep="5258656" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629911445027" checkinUser="felipe" docAuthor="George, Robert Y." docDate="2004" docId="03998778D052FFE9FDA0FAA2343C0709" docLanguage="en" docName="JNatHist.38.3.337-373.pdf" docOrigin="Journal of Natural History 38 (3)" docSource="http://www.tandfonline.com/doi/abs/10.1080/0022293021000030844" docStyle="DocumentStyle:443144A73DAE3E092C51A378E4CD0138.2:JNatHist.2003-2004.journal_article.1cover" docStyleId="443144A73DAE3E092C51A378E4CD0138" docStyleName="JNatHist.2003-2004.journal_article.1cover" docStyleVersion="2" docTitle="Chandraniscus eastwardae George 2004, n. sp." docType="treatment" docVersion="4" lastPageNumber="344" masterDocId="FFA0FF00D055FFE1FFC0FFFA307E036E" masterDocTitle="Deep-sea asellote isopods (Crustacea, Eumalacostraca) of the north-west Atlantic: the family Haploniscidae" masterLastPageNumber="373" masterPageNumber="337" pageNumber="343" updateTime="1699127404719" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="1BD3ED2C43A0D9BC1786D8027FA30D91">Deep-sea asellote isopods (Crustacea, Eumalacostraca) of the north-west Atlantic: the family Haploniscidae</mods:title>
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<mods:namePart id="398C78C6291F42F6C1BD28456D3D0A94">George, Robert Y.</mods:namePart>
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<mods:title id="F38CBF09F3C316854DEA337990A271C3">Journal of Natural History</mods:title>
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<mods:date id="5A5995E588F67499C49DEB813C9945E5">2004</mods:date>
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<mods:number id="AFC545DBEF070EB07E27C95D37BA3105">2004-10-10</mods:number>
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<mods:number id="4BAD425B44324124F48578C74C12100A">38</mods:number>
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<treatment id="03998778D052FFE9FDA0FAA2343C0709" ID-DOI="http://doi.org/10.5281/zenodo.5259748" ID-Zenodo-Dep="5259748" LSID="urn:lsid:plazi:treatment:03998778D052FFE9FDA0FAA2343C0709" httpUri="http://treatment.plazi.org/id/03998778D052FFE9FDA0FAA2343C0709" lastPageId="8" lastPageNumber="344" pageId="7" pageNumber="343">
<subSubSection id="C32A65E5D052FFE6FDA0FAA2333506FF" pageId="7" pageNumber="343" type="nomenclature">
<paragraph id="8B8F366ED052FFE6FDA0FAA233B3061E" blockId="7.[608,973,1368,1425]" box="[608,973,1368,1392]" pageId="7" pageNumber="343">
<heading id="D0C78102D052FFE6FDA0FAA233B3061E" box="[608,973,1368,1392]" centered="true" fontSize="10" level="2" pageId="7" pageNumber="343" reason="3">
<taxonomicName id="4C304DEDD052FFE6FDA0FAA233FB061E" ID-CoL="TLY8" authority="George, 2004" authorityName="George" authorityYear="2004" box="[608,901,1368,1392]" class="Malacostraca" family="Haploniscidae" genus="Chandraniscus" kingdom="Animalia" order="Isopoda" pageId="7" pageNumber="343" phylum="Arthropoda" rank="species" species="eastwardae" status="sp. nov.">
<emphasis id="B944EA7CD052FFE6FDA0FAA233FB061E" bold="true" box="[608,901,1368,1392]" italics="true" pageId="7" pageNumber="343">Chandraniscus eastwardae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2775707D052FFE6FC4EFAA333B3061E" box="[910,973,1369,1392]" pageId="7" pageNumber="343" rank="species">n. sp.</taxonomicNameLabel>
</heading>
</paragraph>
<paragraph id="8B8F366ED052FFE6FD22FA83333506FF" blockId="7.[608,973,1368,1425]" box="[738,843,1401,1425]" pageId="7" pageNumber="343">(figure 4)</paragraph>
</subSubSection>
<subSubSection id="C32A65E5D052FFE9FEA1FA55343C0709" lastPageId="8" lastPageNumber="344" pageId="7" pageNumber="343" type="diagnosis">
<paragraph id="8B8F366ED052FFE6FEA1FA5532170548" blockId="7.[313,1269,1454,1733]" pageId="7" pageNumber="343">
<emphasis id="B944EA7CD052FFE6FEA1FA5531B306A8" box="[353,461,1455,1478]" italics="true" pageId="7" pageNumber="343">Diagnosis</emphasis>
.
<taxonomicName id="4C304DEDD052FFE6FE1CFA54320306A8" authorityName="George" authorityYear="2004" box="[476,637,1454,1478]" class="Malacostraca" family="Haploniscidae" genus="Chandraniscus" kingdom="Animalia" order="Isopoda" pageId="7" pageNumber="343" phylum="Arthropoda" rank="genus">
<emphasis id="B944EA7CD052FFE6FE1CFA54320306A8" box="[476,637,1454,1478]" italics="true" pageId="7" pageNumber="343">Chandraniscus</emphasis>
</taxonomicName>
with frontal margin of cephalon with a median projection. Posterolateral angles of pleotelson extending beyond the posterior median margin of pleotelson. Flagellum of antenna 1 with six articles and flagellum of antenna 2 with 11 articles.
</paragraph>
<paragraph id="8B8F366ED052FFE6FEA1F9D73224050B" blockId="7.[313,1269,1454,1733]" pageId="7" pageNumber="343">
<emphasis id="B944EA7CD052FFE6FEA1F9D73247052B" box="[353,569,1581,1605]" italics="true" pageId="7" pageNumber="343">Material examined</emphasis>
.
<materialsCitation id="3B583C33D052FFE6FD8DF9D73224050B" collectionCode="USNM" collectorName="Cat. No." pageId="7" pageNumber="343" specimenCount="1" typeStatus="holotype">
<typeStatus id="548B88CCD052FFE6FD8DF9D732C5052B" box="[589,699,1581,1605]" pageId="7" pageNumber="343" type="holotype">Holotype</typeStatus>
: male, length
<quantity id="4CC89B8BD052FFE6FCA9F9D733C0052B" box="[873,958,1581,1605]" metricMagnitude="-3" metricUnit="m" metricValue="2.6" pageId="7" pageNumber="343" unit="mm" value="2.6">2.6 mm</quantity>
, maximum width 1.0 mm.
<collectionCode id="ED21AEABD052FFE6FEF9F9B731F0050B" box="[313,398,1613,1637]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="7" pageNumber="343" type="Museum">USNM</collectionCode>
<collectorName id="26C553B8D052FFE6FE57F9B73182050B" box="[407,508,1613,1637]" pageId="7" pageNumber="343">Cat. No.</collectorName>
138674.
</materialsCitation>
</paragraph>
<paragraph id="8B8F366ED052FFE6FEA1F994348F05EB" blockId="7.[313,1269,1454,1733]" box="[353,1265,1644,1669]" pageId="7" pageNumber="343">
<materialsCitation id="3B583C33D052FFE6FEA1F994349305EB" box="[353,1261,1644,1669]" collectionCode="R, V" pageId="7" pageNumber="343" specimenCount="1" typeStatus="holotype">
<emphasis id="B944EA7CD052FFE6FEA1F994318A05EB" box="[353,500,1645,1669]" italics="true" pageId="7" pageNumber="343">
<typeStatus id="548B88CCD052FFE6FEA1F99431E705EB" box="[353,409,1646,1669]" pageId="7" pageNumber="343">Type</typeStatus>
locality
</emphasis>
.
<collectionCode id="ED21AEABD052FFE6FDC3F994326905EB" box="[515,535,1646,1669]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="7" pageNumber="343">R</collectionCode>
/
<collectionCode id="ED21AEABD052FFE6FDE2F994324B05EB" box="[546,565,1646,1669]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="7" pageNumber="343" type="Museum">V</collectionCode>
<emphasis id="B944EA7CD052FFE6FDFEF99732D805EB" box="[574,678,1645,1669]" italics="true" pageId="7" pageNumber="343">Eastward</emphasis>
Sta. 7813, site
<taxonomicName id="4C304DEDD052FFE6FC98F99433F505EB" box="[856,907,1646,1669]" class="Magnoliopsida" family="Amaranthaceae" genus="Beta" kingdom="Plantae" order="Caryophyllales" pageId="7" pageNumber="343" phylum="Tracheophyta" rank="genus">
<emphasis id="B944EA7CD052FFE6FC98F99433F505EB" box="[856,907,1646,1669]" italics="true" pageId="7" pageNumber="343">Beta</emphasis>
</taxonomicName>
over the Carolina lower slope
</materialsCitation>
.
</paragraph>
<paragraph id="8B8F366ED052FFE6FEA1F977342105AA" blockId="7.[313,1269,1454,1733]" pageId="7" pageNumber="343">
<emphasis id="B944EA7CD052FFE6FEA1F97731A705CB" box="[353,473,1677,1701]" italics="true" pageId="7" pageNumber="343">Etymology</emphasis>
. The species is named after Duke University Research Vessel
<emphasis id="B944EA7CD052FFE6FB4CF977348A05CB" box="[1164,1268,1677,1701]" italics="true" pageId="7" pageNumber="343">Eastward</emphasis>
employed for this study, in the deep sea off the
<collectingRegion id="49F4F88CD052FFE6FCA1F957346D05AB" box="[865,1043,1709,1733]" country="United States of America" name="North Carolina" pageId="7" pageNumber="343">North Carolina</collectingRegion>
coast.
</paragraph>
<paragraph id="8B8F366ED05DFFE9FEA1FF4931B802C4" blockId="8.[313,1269,178,1128]" pageId="8" pageNumber="344">
<emphasis id="B944EA7CD05DFFE9FEA1FF49324403A4" box="[353,570,178,202]" italics="true" pageId="8" pageNumber="344">Description of male</emphasis>
. Body oval. Pleotelson shield-shaped, longer than the posterior four pereonites combined. Cephalon broader than long, lateral margin rounded. Rostral process triangular and blunt, projecting slightly beyond the posterolateral angles of the cephalon. First pereonite shorter than the cephalon and second pereonite combined. Pereonites 24 increasing in width, with posterior sutures between pereonites 27 distinct. Pereonites 57 subequal. Pleotelson shield-shaped, with posterolateral angles pronounced, projecting far beyond the rounded posterior mid-margin.
</paragraph>
<paragraph id="8B8F366ED05DFFE9FEA1FE4834600026" blockId="8.[313,1269,178,1128]" pageId="8" pageNumber="344">
Antenna 1 reaching to the end of the peduncle of antenna 2, peduncular articles 1 and 2 subequal and article 3 short, less than one-third the length of article 2. Flagellum of five articles, terminal article the shortest and bearing long distal setae. Antenna 2 with robust peduncle with five articles and flagellum composed of 11 articles. Maxilliped with two coupling hooks, distal margin of endite carrying 12 small ornate spine-like setae. Maxilliped palp of five articles, basal article short and article 2 about twice as long as article 3. Pereopod 5 ambulatory and slender; basis one-third the length of ischium in pereopod 3 and merus less than half the length of carpus, propodus as long as carpus, dactylus short. Pleopod
<quantity id="4CC89B8BD05DFFE9FBEFFD4B342301A7" box="[1071,1117,689,713]" metricMagnitude="-2" metricUnit="m" metricValue="2.54" pageId="8" pageNumber="344" unit="in" value="1.0">1 in</quantity>
male with a triangular sympod, distal part with pear-shaped plates bearing three setae on each. Male second pleopod with a coiled copulatory endopod. Uropod mostly concealed by the pleotelson, with only the tip visible dorsally. Uropod uniramous with single segment, distal tip of ramus with four setae, one very elongated.
</paragraph>
<paragraph id="8B8F366ED05DFFE9FEA1FCAA343C0709" blockId="8.[313,1269,178,1128]" pageId="8" pageNumber="344">
<emphasis id="B944EA7CD05DFFE9FEA1FCAA31BA0006" box="[353,452,848,872]" italics="true" pageId="8" pageNumber="344">Remarks</emphasis>
.
<taxonomicName id="4C304DEDD05DFFE9FE11FCAA328A0006" authority="George, 2004" authorityName="George" authorityYear="2004" box="[465,756,848,872]" class="Malacostraca" family="Haploniscidae" genus="Chandraniscus" kingdom="Animalia" order="Isopoda" pageId="8" pageNumber="344" phylum="Arthropoda" rank="species" species="eastwardae" status="sp. nov.">
<emphasis id="B944EA7CD05DFFE9FE11FCAA328A0006" box="[465,756,848,872]" italics="true" pageId="8" pageNumber="344">Chandraniscus eastwardae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2775707D05DFFE9FD3BFCAB33470006" box="[763,825,849,872]" pageId="8" pageNumber="344" rank="species">n. sp.</taxonomicNameLabel>
, in having similar shield-like pleotelson configuration, is somewhat similar to the four other new species described in this study. The first species, also from the same study site
<taxonomicName id="4C304DEDD05DFFE9FC61FC6B33AA00C6" box="[929,980,913,936]" class="Magnoliopsida" family="Amaranthaceae" genus="Beta" kingdom="Plantae" order="Caryophyllales" pageId="8" pageNumber="344" phylum="Tracheophyta" rank="genus">
<emphasis id="B944EA7CD05DFFE9FC61FC6B33AA00C6" box="[929,980,913,936]" italics="true" pageId="8" pageNumber="344">Beta</emphasis>
</taxonomicName>
on the lower continental slope,
<taxonomicName id="4C304DEDD05DFFE9FE44FC4A32E800A6" authority="George, 2004" authorityName="George" authorityYear="2004" box="[388,662,944,968]" class="Malacostraca" family="Haploniscidae" genus="Chandraniscus" kingdom="Animalia" order="Isopoda" pageId="8" pageNumber="344" phylum="Arthropoda" rank="species" species="kussakini" status="sp. nov.">
<emphasis id="B944EA7CD05DFFE9FE44FC4A32E800A6" box="[388,662,944,968]" italics="true" pageId="8" pageNumber="344">Chandraniscus kussakini</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2775707D05DFFE9FD60FC4A329C00A9" box="[672,738,944,967]" pageId="8" pageNumber="344" rank="species">n. sp.</taxonomicNameLabel>
, is possibly a sympatric species and is clearly distinguished from
<taxonomicName id="4C304DEDD05DFFE9FDD7FC2A32CB0086" authorityName="George" authorityYear="2004" box="[535,693,976,1000]" class="Malacostraca" family="Haploniscidae" genus="Chandraniscus" kingdom="Animalia" order="Isopoda" pageId="8" pageNumber="344" phylum="Arthropoda" rank="species" species="eastwardae">
<emphasis id="B944EA7CD05DFFE9FDD7FC2A32CB0086" box="[535,693,976,1000]" italics="true" pageId="8" pageNumber="344">C. eastwardae</emphasis>
</taxonomicName>
in having a very pronounced mid-dorsal spine on the cepahalon, and in the uropod ramus extending to the tip of the posterolateral angles of pleotelson. The second species,
<taxonomicName id="4C304DEDD05DFFE9FCD6FBF534420749" authority="George, 2004" authorityName="George" authorityYear="2004" box="[790,1084,1039,1063]" class="Malacostraca" family="Haploniscidae" genus="Chandraniscus" kingdom="Animalia" order="Isopoda" pageId="8" pageNumber="344" phylum="Arthropoda" rank="species" species="negoescuae" status="sp. nov.">
<emphasis id="B944EA7CD05DFFE9FCD6FBF534420749" box="[790,1084,1039,1063]" italics="true" pageId="8" pageNumber="344">Chandraniscus negoescuae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2775707D05DFFE9FB85FBEA34FA0749" box="[1093,1156,1040,1063]" pageId="8" pageNumber="344" rank="species">n. sp.</taxonomicNameLabel>
from site
<emphasis id="B944EA7CD05DFFE9FEF9FBCA31010729" box="[313,383,1072,1095]" italics="true" pageId="8" pageNumber="344">Sigma</emphasis>
on the continental rise, is strikingly different from
<taxonomicName id="4C304DEDD05DFFE9FC0DFBCA34150729" authorityName="George" authorityYear="2004" box="[973,1131,1071,1095]" class="Malacostraca" family="Haploniscidae" genus="Chandraniscus" kingdom="Animalia" order="Isopoda" pageId="8" pageNumber="344" phylum="Arthropoda" rank="species" species="eastwardae">
<emphasis id="B944EA7CD05DFFE9FC0DFBCA34150729" box="[973,1131,1071,1095]" italics="true" pageId="8" pageNumber="344">C. eastwardae</emphasis>
</taxonomicName>
in having a quadrangular cephalon, lacking any mid-dorsal cephalic projection.
</paragraph>
</subSubSection>
</treatment>
</document>