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<document ID-CLB-Dataset="9123" ID-DOI="http://dx.doi.org/10.3897/zookeys.1008.59966" ID-GBIF-Dataset="8f6b2463-5946-43c1-92da-32e10a7fc94b" ID-PMC="PMC7790808" ID-Pensoft-Pub="1313-2970-1008-37" ID-Pensoft-UUID="DB78E652DBD258F798F2AC1BAE7659FC" ID-PubMed="33505187" ID-ZooBank="62FAB9B1D1004DB7AA24A3B84E315F4D" ModsDocID="1313-2970-1008-37" checkinTime="1609463524429" checkinUser="pensoft" docAuthor="Chang, Su-Ching, Chan, Tin-Yam &amp; Kumar, Appukuttannair Biju" docDate="2020" docId="C0667053262158CFA55CC60C9327F5EB" docLanguage="en" docName="ZooKeys 1008: 37-60" docOrigin="ZooKeys 1008" docPubDate="2020-12-31" docSource="http://dx.doi.org/10.3897/zookeys.1008.59966" docTitle="Nephropsis pygmaea Chang &amp; Chan &amp; Kumar 2020, sp. nov." docType="treatment" docUuid="286FA460-CA9A-465F-B793-22F9F603D4BA" docUuidSource="ZooBank" docVersion="6" id="DB78E652DBD258F798F2AC1BAE7659FC" lastPageNumber="37" masterDocId="DB78E652DBD258F798F2AC1BAE7659FC" masterDocTitle="Deep-sea clawed lobster Nephropsis stewarti Wood-Mason, 1872 species complex in the Indo-West Pacific (Crustacea, Decapoda, Nephropidae), with description of a new species" masterLastPageNumber="60" masterPageNumber="37" pageNumber="37" updateTime="1732826279601" updateUser="ExternalLinkService">
<mods:mods id="4E6B130B3A635DA0046CFA908C99EDF4" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="3F7F3CE578D5542C52CA1AC2AA995F1C">
<mods:title id="1A3DB66098A190D69B89C8E590753502">Deep-sea clawed lobster Nephropsis stewarti Wood-Mason, 1872 species complex in the Indo-West Pacific (Crustacea, Decapoda, Nephropidae), with description of a new species</mods:title>
</mods:titleInfo>
<mods:name id="72E76FBEFE4961F47D0FCB86E5CF8FF1" type="personal">
<mods:role id="72951C84E0BA8D89642B638C6E6378AC">
<mods:roleTerm id="BF5D2012AA798B6A407C111D026C4E78">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="C4B85DA37F548BC99F59E4AE1FB8E624">Chang, Su-Ching</mods:namePart>
<mods:nameIdentifier id="FAA6CE2C576B98AC00B59D828E39B855" type="ORCID">https://orcid.org/0000-0001-6934-3181</mods:nameIdentifier>
<mods:affiliation id="6635C5E5B6799A4659E611F04D424A84">Department of Biological Resources, National Chiayi University, Chiayi, 60004, R. O. C., Taiwan</mods:affiliation>
</mods:name>
<mods:name id="7261829824BA6731A252C11AC0CE3374" type="personal">
<mods:role id="6C85F2E334D952F7F658F90AE074B910">
<mods:roleTerm id="63C5A61210BEDE77550EAF56FBDE0AF2">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="E72C7B4E3D2A470E3D9605BB83018A0A">Chan, Tin-Yam</mods:namePart>
<mods:affiliation id="2267F629826CB2897930775022566320">Institute of Marine Biology and Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung 20224, R. O. C., Taiwan</mods:affiliation>
<mods:nameIdentifier id="255D15D6AEB69F502F4ED6456DD1FF26" type="email">tychan@mail.ntou.edu.tw</mods:nameIdentifier>
</mods:name>
<mods:name id="B7022B9A34C81157F93C9555476B719D" type="personal">
<mods:role id="F02974348001ADB00B33535028611A82">
<mods:roleTerm id="FF3F2759350897E3B0E8426A768D267A">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="E22347747C9E6D4C4BE9D0441980753F">Kumar, Appukuttannair Biju</mods:namePart>
<mods:nameIdentifier id="9789BB54E4532C42BA55E6BE9533B37B" type="ORCID">https://orcid.org/0000-0001-5477-2119</mods:nameIdentifier>
<mods:affiliation id="459D226F57202DB38CC8391D0A7A22A3">Department of Aquatic Biology &amp; Fisheries, University of Kerala, Thiruvananthapuram 695581, Kerala, India</mods:affiliation>
</mods:name>
<mods:typeOfResource id="17DE63E72E2B9973BA8A54149F989E69">text</mods:typeOfResource>
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<mods:titleInfo id="6CA5870264710A038635AD23C1514B75">
<mods:title id="63AEEE4373D8F06BF581524AF91C7851">ZooKeys</mods:title>
</mods:titleInfo>
<mods:part id="54900E0A7219BE8EB7B31EE30AD22CB5">
<mods:date id="40776EF3EDC6205415C1520DA77F1A75">2020</mods:date>
<mods:detail id="4C726F6255799D0D0F53D0D6C4CB03B1" type="pubDate">
<mods:number id="4D24BF6AB5EB82176DC3665FEE347154">2020-12-31</mods:number>
</mods:detail>
<mods:detail id="722D7CB8134175FCB6E6B140A274E205" type="volume">
<mods:number id="E1947FC9B6182F616108DA13DBBE0894">1008</mods:number>
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<mods:start id="BB60D31D49CCFFF6103755EF8E2A9917">37</mods:start>
<mods:end id="7E46C8F316BBAD5B80D9CD51383370D6">60</mods:end>
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<mods:url id="B5CDD9D13D26A5368809A0A4344C91B3">http://dx.doi.org/10.3897/zookeys.1008.59966</mods:url>
</mods:location>
<mods:classification id="2F4D5F200FE55B68D7E1A4428148CB5E">journal article</mods:classification>
<mods:identifier id="545D0811C1CF9D7176C53DE4E8E42576" type="DOI">http://dx.doi.org/10.3897/zookeys.1008.59966</mods:identifier>
<mods:identifier id="38FBD1B1E1CEE5358FF9C6154FAE35C6" type="Pensoft-Pub">1313-2970-1008-37</mods:identifier>
<mods:identifier id="A3E8A65E69F8D23BE3EC1CD6CF26C553" type="ZooBank">62FAB9B1D1004DB7AA24A3B84E315F4D</mods:identifier>
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<subSection id="ECF57989C888D031D768F3C626927B9F" pageId="0" pageNumber="37" type="taxonomy">
<treatment id="C0667053262158CFA55CC60C9327F5EB" ID-GBIF-Taxon="176352621" LSID="urn:lsid:zoobank.org:act:286FA460-CA9A-465F-B793-22F9F603D4BA" httpUri="http://treatment.plazi.org/id/C0667053262158CFA55CC60C9327F5EB" lastPageNumber="37" pageId="0" pageNumber="37" scope_family="Nephropidae" scope_order="Decapoda">
<subSubSection id="3844E7AA1CCCFE0F91CEDCC71565EF5D" pageId="0" pageNumber="37" type="nomenclature">
<paragraph id="CEDC80696B10FB22DE7432FDD5FFBEB6" pageId="0" pageNumber="37">
<taxonomicName id="899DDD01569D2014B7B880182E551630" ID-CoL="7W2R7" LSID="http://zoobank.org/286FA460-CA9A-465F-B793-22F9F603D4BA" authority="Chang &amp; Chan &amp; Kumar, 2020" authorityName="Chang &amp; Chan &amp; Kumar" authorityYear="2020" class="Malacostraca" family="Nephropidae" genus="Nephropsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Nephropsis pygmaea" order="Decapoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="species" species="pygmaea" status="sp. nov.">Nephropsis pygmaea</taxonomicName>
<taxonomicNameLabel id="6157EFBF4970CD0BAABFB3EC14F46874" pageId="0" pageNumber="37">sp. nov.</taxonomicNameLabel>
<figureCitation id="0522FEE8961E07D7EAB6B1D14B8ABDE2" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Nephropsis pygmaea sp. nov., Donggang, Pingtung County, Taiwan, holotype male cl 25.6 mm (NTOU M 01898) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral, pubescence and setae omitted ● position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface ♦ position of spines on dorsal margin of inner surface ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus, ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure3" httpUri="https://binary.pensoft.net/fig/492958" pageId="0" pageNumber="37">Figures 3</figureCitation>
<figureCitation id="7EA3A27B9E4E3784EE73456E8ACC8416" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. A, B N. grandis Zarenkov, 2006, Dasi fishing port, Taiwan, male cl 45.3 mm (NTOU M 02171) C, D N. pygmaea sp. nov., Donggang fishing port, Taiwan, paratype female cl 24.4 mm (NTOU M 02168) A, C dorsal habitus B, D lateral habitus." figureDoi="10.3897/zookeys.1008.59966.figure5" httpUri="https://binary.pensoft.net/fig/492960" pageId="0" pageNumber="37">, 5C, D</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="5B76899201D564732AB7DD8318B91A23" pageId="0" pageNumber="37" type="reference_group">
<paragraph id="F61D87C2E9DB8AD6B9CCCB6C6E9FD64B" pageId="0" pageNumber="37">
<taxonomicName id="4687C6A581870A6AC894851162215C05" authority="Chang &amp; Chan &amp; Kumar, 2020" authorityName="Chang &amp; Chan &amp; Kumar" authorityYear="2020" class="Malacostraca" family="Nephropidae" genus="Nephropsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Nephropsis stewarti" order="Decapoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="species" species="stewarti" status="sp. nov.">Nephropsis stewarti</taxonomicName>
.-
<bibRefCitation id="2B31318244B4095B4697F091976C5A3C" author="Holthuis, LB" journalOrPublisher="FAO Species Catalogue Publisher, Rome" pageId="0" pageNumber="37" refId="B24" refString="Holthuis, LB, 1991. Marine Lobsters of the World. An Annotated and Illustrated Catalogue of Species of Interest to Fisheries Known to Date. FAO Species Catalogue Publisher, Rome" title="Marine Lobsters of the World. An Annotated and Illustrated Catalogue of Species of Interest to Fisheries Known to Date." year="1991">Holthuis 1991</bibRefCitation>
: 45 (in part);
<bibRefCitation id="4F71FA229F75237B96B89C340246AA8B" DOI="https://doi.org/10.3897/zookeys.833.32837" author="Chang, SC" journalOrPublisher="ZooKeys" pageId="0" pageNumber="37" pagination="41 - 58" refId="B17" refString="Chang, SC, Chan, TY, 2019. On the clawed lobsters of the genus Nephropsis Wood-Mason, 1872 recently collected from deep-sea cruises off Taiwan and the South China Sea (Crustacea, Decapoda, Nephropidae). ZooKeys 833: 41 - 58, DOI: https://doi.org/10.3897/zookeys.833.32837" title="On the clawed lobsters of the genus Nephropsis Wood-Mason, 1872 recently collected from deep-sea cruises off Taiwan and the South China Sea (Crustacea, Decapoda, Nephropidae)." url="https://doi.org/10.3897/zookeys.833.32837" volume="833" year="2019">Chang and Chan 2019</bibRefCitation>
: 50 (in part). [not
<bibRefCitation id="74949BD56F0DC2962BE876A9A4EBB0A8" author="Wood-Mason, J" journalOrPublisher="CSIRO Division of Fisheries Publisher, North Beach, Australia" pageId="0" pageNumber="37" refId="B41" refString="Wood-Mason, J, 1872. On NephropsisStewarti, a new genus and species of macrurous crustaceans, dredged in deep water off the eastern coast of the Andaman Islands. Proceedings of the Asiatic Society of Bengal 1872: e151." title="On NephropsisStewarti, a new genus and species of macrurous crustaceans, dredged in deep water off the eastern coast of the Andaman Islands. Proceedings of the Asiatic Society of Bengal 1872: e 151." year="1872">Wood-Mason 1872</bibRefCitation>
].
</paragraph>
<paragraph id="9EA68ACD9356231C26A5BA1684CE6A90" pageId="0" pageNumber="37">
<taxonomicName id="2C8B8C2EA3379D16C563F4F224B5E97B" authority="Chang &amp; Chan &amp; Kumar, 2020" authorityName="Chang &amp; Chan &amp; Kumar" authorityYear="2020" class="Malacostraca" family="Nephropidae" genus="Nephropsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Nephropsis stewarti" order="Decapoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="species" species="stewarti" status="sp. nov.">Nephropsis stewarti</taxonomicName>
?
<taxonomicName id="718C903B34530C3255E1CAE2CE96A3F8" authority="Chang &amp; Chan &amp; Kumar, 2020" authorityName="Chang &amp; Chan &amp; Kumar" authorityYear="2020" class="Malacostraca" family="Nephropidae" genus="Nephropsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Nephropsis stewarti" order="Decapoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="species" species="stewarti" status="sp. nov.">Nephropsis stewarti</taxonomicName>
.-
<bibRefCitation id="3121C1BC799C6A7314E5E4A6EF48E2B9" author="Macpherson, E" editor="Crosnier, A" journalOrPublisher="Memoires du Museum national d'Histoire naturelle (A)" pageId="0" pageNumber="37" pagination="289 - 329" refId="B30" refString="Macpherson, E, 1990. Crustacea Decapoda: On a collection of Nephropidae from the Indian Ocean and western Pacific. In: Crosnier, A, Ed., Resultats des Campagnes MUSORSTOM Volume 6 (Crustaces de la Nouvelle Caledonie). Memoires du Museum national d'Histoire naturelle (A) 145: 289 - 329" title="Crustacea Decapoda: On a collection of Nephropidae from the Indian Ocean and western Pacific." volume="145" volumeTitle="Resultats des Campagnes MUSORSTOM Volume 6 (Crustaces de la Nouvelle Caledonie)." year="1990">Macpherson 1990</bibRefCitation>
: 312 (in part). [not
<bibRefCitation id="DC01671E5B03FD46141217DD64CD5AAF" author="Wood-Mason, J" journalOrPublisher="CSIRO Division of Fisheries Publisher, North Beach, Australia" pageId="0" pageNumber="37" refId="B41" refString="Wood-Mason, J, 1872. On NephropsisStewarti, a new genus and species of macrurous crustaceans, dredged in deep water off the eastern coast of the Andaman Islands. Proceedings of the Asiatic Society of Bengal 1872: e151." title="On NephropsisStewarti, a new genus and species of macrurous crustaceans, dredged in deep water off the eastern coast of the Andaman Islands. Proceedings of the Asiatic Society of Bengal 1872: e 151." year="1872">Wood-Mason 1872</bibRefCitation>
]
</paragraph>
</subSubSection>
<subSubSection id="292EC8AB3FC9BBC0B2AC23012AAEAFEE" pageId="0" pageNumber="37" type="materials_examined">
<paragraph id="45261E87217A446F0914DBE6C32342CB" pageId="0" pageNumber="37">Material examined.</paragraph>
<paragraph id="7A3CD3865058D1635ED3811510672F74" pageId="0" pageNumber="37">
<emphasis id="4DD8CDF8C8D7F61E5F1B3CCDA18DFA06" bold="true" italics="true" pageId="0" pageNumber="37">Holotype</emphasis>
: Taiwan • male cl 25.6 mm; Donggang, Pingtung County, commercial trawler,
<geoCoordinate id="203109A804B025F566C2D331C35C57C8" degrees="22" direction="north" minutes="11.880" orientation="latitude" precision="1" value="22.198">22°11.880'N</geoCoordinate>
,
<geoCoordinate id="37068450838B6A028951C0B3D1AFF68E" degrees="120" direction="east" minutes="22.213" orientation="longitude" precision="1" value="120.37022">120°22.213'E</geoCoordinate>
, 630 m, 2 Oct. 2014 (NTOU M01898).
</paragraph>
<paragraph id="CA4B93AD35F0D6097F6E78ED32EC2BF0" pageId="0" pageNumber="37">
<emphasis id="75838770B978AD6ACE0C68D7F7298A5E" bold="true" italics="true" pageId="0" pageNumber="37">Paratypes</emphasis>
: Taiwan • 1 male cl 23.4 mm; Donggang fishing port, Pingtung County, commercial trawler, Jul. 1975 (NTOU M02164) • 1 male cl 21.1 mm, 6 females cl 19.5-26.2 mm; 3 May. 1991 (NTOU M02168) • 2 males cl 19.2 and 21.7 mm; 14 May. 1991 (NTOU M02169) • 1 male cl 22.4 mm; 4 Jun. 1995 (NTOU M02173) • 1 male cl 21.8 mm; 27 Dec. 1997 (NTOU M02175).
</paragraph>
</subSubSection>
<subSubSection id="C68F58DC6E8D1C655E6E558136229AC1" pageId="0" pageNumber="37" type="materials_examined">
<paragraph id="FE46335DC829515B9B217A2A6F01ED08" pageId="0" pageNumber="37">Other material.</paragraph>
<paragraph id="D8EA17C0C4DE653BA5154888926F1344" pageId="0" pageNumber="37">
Philippines • 4 males cl 12.5-18.1 mm, 1 female cl 19.1 mm; PANGLAO 2005 stn CP2333,
<geoCoordinate id="9A42AB806B80DF89BBA524D9EC7B60EA" degrees="09" direction="north" minutes="38.2" orientation="latitude" precision="92" value="9.636666">09°38.2'N</geoCoordinate>
,
<geoCoordinate id="15C064E8E73AFD4EF467FC014FA4BDF3" degrees="123" direction="east" minutes="43.5" orientation="longitude" precision="92" value="123.725">123°43.5'E</geoCoordinate>
, 596-565.5 m, 22 May 2005 (NTOU M02253) • 1 male cl 16.2 mm; stn CP2335,
<geoCoordinate id="539D4E6DCFBB8CF188F6ECAADECAAA37" degrees="09" direction="north" minutes="34.3" orientation="latitude" precision="92" value="9.571667">09°34.3'N</geoCoordinate>
,
<geoCoordinate id="E9387222DB7CF55E3154934F82D9A8B4" degrees="123" direction="east" minutes="37.8" orientation="longitude" precision="92" value="123.63">123°37.8'E</geoCoordinate>
, 733-743 m, 22 May 2005 (NTOU M02254) • 1 male cl 14.9 mm, 2 females cl 20.0 and 22.1 mm; stn CP2336,
<geoCoordinate id="D701A47F930A2AD08C12832B46C05C53" degrees="09" direction="north" minutes="32.4" orientation="latitude" precision="92" value="9.54">09°32.4'N</geoCoordinate>
,
<geoCoordinate id="889480114FF4A4A236F4B7CDA44773CF" degrees="123" direction="east" minutes="39.3" orientation="longitude" precision="92" value="123.655">123°39.3'E</geoCoordinate>
, 757-729 m, 22 May 2005 (NTOU M02255) • 1 male cl 12.0 mm, 1 female cl 22.9 mm; stn CP2341,
<geoCoordinate id="C3046D048533C667B5482263D03ED312" degrees="09" direction="north" minutes="24.5" orientation="latitude" precision="92" value="9.408334">09°24.5'N</geoCoordinate>
,
<geoCoordinate id="175EC63392689F0AC90B9525BB940E6C" degrees="123" direction="east" minutes="49.7" orientation="longitude" precision="92" value="123.82833">123°49.7'E</geoCoordinate>
, 712-888 m, 23 May 2005 (NTOU M02256) • 1 female cl 11.1 mm; stn CP2351,
<geoCoordinate id="5FBFF8A46D9DBDE5986B8E59ED12BD3C" degrees="09" direction="north" minutes="30.7" orientation="latitude" precision="92" value="9.511666">09°30.7'N</geoCoordinate>
,
<geoCoordinate id="857F6DA78155230CF53C4BB64DBD82E4" degrees="124" direction="east" minutes="3.0" orientation="longitude" precision="92" value="124.05">124°3.0'E</geoCoordinate>
, 810-830 m, 24 May 2005 (NTOU M02257) • 1 male cl 9.0 mm; stn CP2352,
<geoCoordinate id="4F542AED3732FD5260651E48801EEE1F" degrees="09" direction="north" minutes="27.3" orientation="latitude" precision="92" value="9.455">09°27.3'N</geoCoordinate>
,
<geoCoordinate id="3E775759C963FDADEF782DFF60F6781F" degrees="124" direction="east" minutes="3.1" orientation="longitude" precision="92" value="124.05167">124°3.1'E</geoCoordinate>
, 1260-1761 m, 24 May 2005 (NTOU M02258) • 3 males cl 11.8-20.4 mm, 5 females cl 15.7-28.0 mm; stn CP2358,
<geoCoordinate id="92213E5C1FAB85080ECEBB8ADE21FDF8" degrees="08" direction="north" minutes="52.1" orientation="latitude" precision="92" value="8.868333">08°52.1'N</geoCoordinate>
,
<geoCoordinate id="60E4FF1EAEC0D6AD36FE764366A2084A" degrees="123" direction="east" minutes="37.1" orientation="longitude" precision="92" value="123.61833">123°37.1'E</geoCoordinate>
, 569-597 m, 26 May 2005 (NTOU M02259) • 1 male cl 16.2 mm; stn CP2358,
<geoCoordinate id="57CDCFCE8B3BC6C71085AB2ED5261631" degrees="08" direction="north" minutes="52.1" orientation="latitude" precision="92" value="8.868333">08°52.1'N</geoCoordinate>
,
<geoCoordinate id="1742A0C6236511BE2CD7E961DC74E9DE" degrees="123" direction="east" minutes="37.1" orientation="longitude" precision="92" value="123.61833">123°37.1'E</geoCoordinate>
, 569-597 m, 26 May 2005 (NTOU M02260) • 6 males cl 10.4-21.9 mm, 1 ovigerous female cl 22.9 mm, 11 females cl 10.3-25.3 mm; stn CP2389,
<geoCoordinate id="5608F6715DA1A65470563751AB968672" degrees="09" direction="north" minutes="27.9" orientation="latitude" precision="92" value="9.465">09°27.9'N</geoCoordinate>
,
<geoCoordinate id="EAF2041E2B32B1D384D31BDEB5B527F6" degrees="123" direction="east" minutes="38.4" orientation="longitude" precision="92" value="123.64">123°38.4'E</geoCoordinate>
, 784-782 m, 30 May 2005 (NTOU M02261) • 1 male cl 19.6 mm, 2 females cl 19.5 and 19.6 mm; stn CP2390,
<geoCoordinate id="9E166D1FF99C2AB330978D1A47EEFF84" degrees="09" direction="north" minutes="27.4" orientation="latitude" precision="92" value="9.456667">09°27.4'N</geoCoordinate>
,
<geoCoordinate id="2A8E94EECEF7EB823A164E20DDA6E703" degrees="123" direction="east" minutes="43.1" orientation="longitude" precision="92" value="123.71833">123°43.1'E</geoCoordinate>
, 627-613 m, 30 May 2005 (NTOU M02262) • 2 males cl 17.6 and 23.8 mm; stn CP2397,
<geoCoordinate id="2A23123447C72CF594D46478F216910B" degrees="09" direction="north" minutes="34.9" orientation="latitude" precision="92" value="9.581667">09°34.9'N</geoCoordinate>
,
<geoCoordinate id="BC71ABE41F625378F01914E46415F2CC" degrees="123" direction="east" minutes="41.7" orientation="longitude" precision="92" value="123.695">123°41.7'E</geoCoordinate>
, 669-712 m, 31 May 2005 (NTOU M02263) • 1 male cl 24.0 mm; stn CP2398,
<geoCoordinate id="9B4E42D365D291946477468B5F66C714" degrees="09" direction="north" minutes="32.6" orientation="latitude" precision="92" value="9.543333">09°32.6'N</geoCoordinate>
,
<geoCoordinate id="F6912D7508CBD605E94142E2250612C7" degrees="123" direction="east" minutes="40.5" orientation="longitude" precision="92" value="123.675">123°40.5'E</geoCoordinate>
, 731-741 m, 31 May 2005 (NTOU M02264) • 2 males cl 16.4 and 19.4 mm; stn CP2405,
<geoCoordinate id="E184D6A5DF26D9686F7C87C6FA418472" degrees="09" direction="north" minutes="39.0" orientation="latitude" precision="92" value="9.65">09°39.0'N</geoCoordinate>
,
<geoCoordinate id="5495E3B2F8E8E4B9FBE8C8A9FC8A61C1" degrees="123" direction="east" minutes="46.1" orientation="longitude" precision="92" value="123.76833">123°46.1'E</geoCoordinate>
, 387-310 m, 1 Jun. 2005 (NTOU M02265) • 1 female cl 16.6 mm; northern coast of Panglao Island, Jul. 2004-May. 2005 (NTOU M02266).
</paragraph>
</subSubSection>
<subSubSection id="DF2824A4B550DA534B2E4DF8CA54B79B" pageId="0" pageNumber="37" type="diagnosis">
<paragraph id="C97FF4624503B5366D9EE4A32140AABF" pageId="0" pageNumber="37">Diagnosis.</paragraph>
<paragraph id="A884FBD2A8D1A01F420DE241296FBFFC" pageId="0" pageNumber="37">Rostrum bearing one pair of lateral teeth usually situated behind mid-length of rostrum. Carapace with subdorsal carinae granulate and lacking distinct spine; supraorbital and antennal spines strong; post-supraorbital spine absent; postcervical groove U-shaped in dorsal view; intermediate carina indistinct and lateral carina moderately developed. Large cheliped (pereiopod I) with inner surface of palm granular, lacking distinct spine; carpus with strong distoventral, ventro-outer (rarely absent) and dorso-inner distal spines, outer surface without distinct spine, inner surface bearing one or rarely two spines on dorsal margin; merus armed with anteroventral and subdistal dorsal spines, lacking subdistal outer spine or sharp tubercle. Pleon finely granulate, without mid-dorsal carina, pleura each with unarmed anterior margin. Telson without erected dorsal spine near base. Uropodal exopods with complete diaeresis.</paragraph>
</subSubSection>
<subSubSection id="4F8EE82FC7F18E982DC54144280B5D14" pageId="0" pageNumber="37" type="description">
<paragraph id="BE6F93EE19687EA122F111FD0F139DAC" pageId="0" pageNumber="37">Description.</paragraph>
<paragraph id="164F23191F92D010D5318F9058B563D3" pageId="0" pageNumber="37">
Body covered with long or short pubescence, those on anterior two pereiopods, dorsal carapace, and pleonal tergum quite dense. Carapace finely granulated (Fig.
<figureCitation id="2B3C4570A4A65749FDC56A6D8BE7A0E8" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Nephropsis pygmaea sp. nov., Donggang, Pingtung County, Taiwan, holotype male cl 25.6 mm (NTOU M 01898) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral, pubescence and setae omitted ● position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface ♦ position of spines on dorsal margin of inner surface ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus, ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure3" httpUri="https://binary.pensoft.net/fig/492958" pageId="0" pageNumber="37">3A, B</figureCitation>
); rostrum 0.5-0.9
<normalizedToken id="85265FC0E815BFFE969E92449F85ED35" originalValue="×">x</normalizedToken>
carapace length (proportionally longer in small individuals), bearing 1 pair of lateral teeth usually situated behind mid-length of rostrum, median groove extending anteriorly beyond lateral rostral teeth; subdorsal carinae granulate and lacking distinct spine; strong supraorbital and antennal spines present; post-supraorbital spine absent; cervical, postcervical, and hepatic groove well marked, with postcervical groove U-shaped in dorsal view; intermediate carina indistinct and lateral carina moderately developed; gastric tubercle near supraorbital spines, 0.3-0.4
<normalizedToken id="BCBECE13F014AEE9B684BB9A3E22363E" originalValue="×">x</normalizedToken>
distance between gastric tubercle and postcervical groove; distance between orbital margin and postcervical groove 1.5-1.8
<normalizedToken id="369778A4CE824CCCAAD50F85A3E6B4F4" originalValue="×">x</normalizedToken>
distance between postcervical groove and posterior margin of carapace.
</paragraph>
<paragraph id="4553CD9F2461C1C45D51C45F36931B11" pageId="0" pageNumber="37">
Large cheliped (pereiopod I) generally granulate (Fig.
<figureCitation id="6C8C90517127782235641170AFC59C8C" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Nephropsis pygmaea sp. nov., Donggang, Pingtung County, Taiwan, holotype male cl 25.6 mm (NTOU M 01898) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral, pubescence and setae omitted ● position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface ♦ position of spines on dorsal margin of inner surface ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus, ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure3" httpUri="https://binary.pensoft.net/fig/492958" pageId="0" pageNumber="37">3C-E</figureCitation>
); fingers 0.9-1.5 (mostly 1.0-1.3)
<normalizedToken id="0CC0809A5C7FB35C4AF65CBAF94E9C82" originalValue="×">x</normalizedToken>
as long as palm; chela 2.6-4.1 (usually 2.8-3.2)
<normalizedToken id="FF49456F6A0C4FA83DA183AFEB670FF2" originalValue="×">x</normalizedToken>
as long as wide and similar in both sexes, inner surface of palm granular but lacking distinct spine; carpus with strong distoventral spine, ventro-outer spine (rarely absent) and dorso-inner distal spine, outer surface without distinct spine, inner surface bearing 1 (mostly) or 2 spines on dorsal margin; merus armed with distoventral spine and subdistal dorsal spine, lacking subdistal outer spine or sharp tubercle. Pereiopod II chelate, smooth, carpus 0.5-0.7
<normalizedToken id="E603333362E52A325BE19E09FAE2DB67" originalValue="×">x</normalizedToken>
palm length. Pereiopod III generally similar to pereiopod II but less stout; carpus 0.4-0.6
<normalizedToken id="2ED3658803F35E19B90A021625885CF6" originalValue="×">x</normalizedToken>
as long as palm; merus 1.6-2.2 (mostly 1.7-2.0)
<normalizedToken id="1E6635B2E87714D250A0F547C1559042" originalValue="×">x</normalizedToken>
as long as carpus. Pereiopods IV and V smooth, not chelate; dactyli 0.5-0.8 (mostly 0.5-0.7)
<normalizedToken id="B1726D71B847D11AC752780446A8B92F" originalValue="×">x</normalizedToken>
as long as propodi.
</paragraph>
<paragraph id="2A7468EF4D5226C24830703402AB0B74" pageId="0" pageNumber="37">
Entire pleon finely granulate (Fig.
<figureCitation id="0575554863847B1709321345F95D61E8" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Nephropsis pygmaea sp. nov., Donggang, Pingtung County, Taiwan, holotype male cl 25.6 mm (NTOU M 01898) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral, pubescence and setae omitted ● position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface ♦ position of spines on dorsal margin of inner surface ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus, ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure3" httpUri="https://binary.pensoft.net/fig/492958" pageId="0" pageNumber="37">3A, B</figureCitation>
), without mid-dorsal carina but bearing indistinct and medially interrupted transverse groove on tergites II-V and sometimes also on tergite I; pleura each with unarmed anterior margin, that of pleuron II strongly convex while those of pleura III-V only slightly convex, all terminating ventrally into sharp spine. Telson without erected dorsal spine near base.
</paragraph>
<paragraph id="1976D480C31C71358DAE04F65CC0DF8D" pageId="0" pageNumber="37">Uropod generally smooth, exopods with distinct complete diaeresis.</paragraph>
<paragraph id="19E018FAC83BC250F83BE58524F016E8" pageId="0" pageNumber="37">Eggs spherical, 1.8-2.0 mm in diameter.</paragraph>
</subSubSection>
<subSubSection id="B96D281C20EEA2288EC843628406AA0C" pageId="0" pageNumber="37" type="color in life">
<paragraph id="EC35B621736DFE9E66D5D4476B35A38D" pageId="0" pageNumber="37">Color in life.</paragraph>
<paragraph id="B8EB675E0382E1DF97D12531687759C3" pageId="0" pageNumber="37">
Body generally whitish to pinkish white (Fig.
<figureCitation id="564523A397866CFB2FC44E858162B3BE" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. A, B N. grandis Zarenkov, 2006, Dasi fishing port, Taiwan, male cl 45.3 mm (NTOU M 02171) C, D N. pygmaea sp. nov., Donggang fishing port, Taiwan, paratype female cl 24.4 mm (NTOU M 02168) A, C dorsal habitus B, D lateral habitus." figureDoi="10.3897/zookeys.1008.59966.figure5" httpUri="https://binary.pensoft.net/fig/492960" pageId="0" pageNumber="37">5C, D</figureCitation>
), with pleon sometimes pinkish orange. Eyes whitish. Anterodorsal carapace pinkish orange. Rostrum and antennal flagella pinkish orange to orange red. Antennular flagella and maxilliped III orange red. Large cheliped whitish to pinkish orange, distal parts of fingers always pinkish orange. Pereiopods II-V whitish with distal segments orange red or entirely orange red. Pleopods whitish to orange red. Tail fan whitish, sometimes with median parts rose red. Pubescence grayish brown.
</paragraph>
</subSubSection>
<subSubSection id="21EC53A6C7941DBFBAC3D8EBFDCD7881" pageId="0" pageNumber="37" type="etymology">
<paragraph id="968033A1D3C9B82609E246A7EB590A66" pageId="0" pageNumber="37">Etymology.</paragraph>
<paragraph id="C68AE18418C538D10A83A47A811F91BA" pageId="0" pageNumber="37">
The Latin
<taxonomicName id="7F70168D31D79BD48037C365A228DE0F" authorityName="Chang &amp; Chan &amp; Kumar" authorityYear="2020" class="Malacostraca" family="Nephropidae" genus="Nephropsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Nephropsis pygmaea" order="Decapoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="species" species="pygmaea">
<emphasis id="0A6370793BBFAB43EB511C5370F622F2" italics="true" pageId="0" pageNumber="37">Nephropsis pygmaea</emphasis>
</taxonomicName>
(little) refers to the much smaller size of this species compared with other species in the
<taxonomicName id="ECCF57EF15921EC8CF38B4F9B2686325" lsidName="N. stewarti" pageId="0" pageNumber="37" rank="species" species="stewarti">
<emphasis id="81FE9B0B6514E78DA2B123FBC05536EB" italics="true" pageId="0" pageNumber="37">N. stewarti</emphasis>
</taxonomicName>
species complex.
</paragraph>
</subSubSection>
<subSubSection id="074CE830FFCD5C85F49EC239EDB8D32C" pageId="0" pageNumber="37" type="distribution">
<paragraph id="77CD9C3C88CDA7402E8C092BA6061939" pageId="0" pageNumber="37">Distribution.</paragraph>
<paragraph id="FC585767A7501980148862A55061E783" pageId="0" pageNumber="37">
Western Pacific and known with certainty from southern Taiwan and the Philippines, at depths of 310-888 m, and perhaps as shallow as 170 m (see
<normalizedToken id="ECAFA38ECAD0B12A6086D45335669B3F" originalValue="“Remarks”">&quot;Remarks&quot;</normalizedToken>
).
</paragraph>
</subSubSection>
<subSubSection id="C351EA137F58F78439523CC758277295" pageId="0" pageNumber="37" type="remarks">
<paragraph id="8F4350F515EEB31286316B0542A82FEE" pageId="0" pageNumber="37">Remarks.</paragraph>
<paragraph id="45ADC355B598D76A575BFBA4FAA6F7A9" pageId="0" pageNumber="37">
This smaller form restricted to the northwestern Pacific has a maximum carapace length of 28.0 mm (NTOU M02259), with females bearing eggs attaining only 22.9 mm in the carapace length (NTOU M02261). The largest specimens of
<taxonomicName id="F0E048DF9E2D206C0D7ED8BEC6A93EDB" lsidName="N. stewarti" pageId="0" pageNumber="37" rank="species" species="stewarti">
<emphasis id="380A430FDA0B666E24EE484AB6D799DB" italics="true" pageId="0" pageNumber="37">N. stewarti</emphasis>
</taxonomicName>
and
<taxonomicName id="6657F02302C9D4B9C0651AD99D9B6820" lsidName="N. grandis" pageId="0" pageNumber="37" rank="species" species="grandis">
<emphasis id="8B4DDE47D7CBCB5DAD0F9C795263036E" italics="true" pageId="0" pageNumber="37">N. grandis</emphasis>
</taxonomicName>
is 54 mm (
<bibRefCitation id="227463ABB5203FC3C712558ABF9C4CCD" author="Dineshbabu, AP" journalOrPublisher="Journal of the Marine Biological Association of India" pageId="0" pageNumber="37" pagination="113 - 116" publicationUrl="http://eprints.cmfri.org.in/id/eprint/2217" refId="B20" refString="Dineshbabu, AP, 2008. Morphometric relationship and fishery of Indian Ocean lobsterette, Nephropsis stewarti Wood-Mason 1873 along the southwest coast of India. Journal of the Marine Biological Association of India 50 (1): 113 - 116, http://eprints.cmfri.org.in/id/eprint/2217" title="Morphometric relationship and fishery of Indian Ocean lobsterette, Nephropsis stewarti Wood-Mason 1873 along the southwest coast of India." url="http://eprints.cmfri.org.in/id/eprint/2217" volume="50" year="2008">Dineshbabu 2008</bibRefCitation>
) and 64.1 mm (present material) in the carapace length, respectively. The smallest ovigerous females recorded for
<taxonomicName id="C8DD0BAE1D31904A7BA8BB2A10EAC9C1" lsidName="N. stewarti" pageId="0" pageNumber="37" rank="species" species="stewarti">
<emphasis id="A0438DB35369464C67E10D2310241984" italics="true" pageId="0" pageNumber="37">N. stewarti</emphasis>
</taxonomicName>
and
<taxonomicName id="8B7D876C28E8541DC2BF5E4E4365CF08" lsidName="N. grandis" pageId="0" pageNumber="37" rank="species" species="grandis">
<emphasis id="CC8E08C91CCECF3544FF83EF7A79CA68" italics="true" pageId="0" pageNumber="37">N. grandis</emphasis>
</taxonomicName>
are of carapace lengths approximately 24 mm (total length 80 mm,
<bibRefCitation id="FB9392B5A69C6B6CB42C4F24DA6759C9" author="Dineshbabu, AP" journalOrPublisher="Journal of the Marine Biological Association of India" pageId="0" pageNumber="37" pagination="113 - 116" publicationUrl="http://eprints.cmfri.org.in/id/eprint/2217" refId="B20" refString="Dineshbabu, AP, 2008. Morphometric relationship and fishery of Indian Ocean lobsterette, Nephropsis stewarti Wood-Mason 1873 along the southwest coast of India. Journal of the Marine Biological Association of India 50 (1): 113 - 116, http://eprints.cmfri.org.in/id/eprint/2217" title="Morphometric relationship and fishery of Indian Ocean lobsterette, Nephropsis stewarti Wood-Mason 1873 along the southwest coast of India." url="http://eprints.cmfri.org.in/id/eprint/2217" volume="50" year="2008">Dineshbabu 2008</bibRefCitation>
) and 38 mm (body length 105 mm,
<bibRefCitation id="502DB7098F40B2C57513DA26F27520A6" author="Chan, TY" journalOrPublisher="Bulletin of the Institute of Zoology, Academia Sinica" pageId="0" pageNumber="37" pagination="7 - 12" refId="B15" refString="Chan, TY, Yu, HP, 1988. Clawed lobsters (Crustacea: Decapoda: Nephropidae) of Taiwan. Bulletin of the Institute of Zoology, Academia Sinica 27 (1): 7 - 12" title="Clawed lobsters (Crustacea: Decapoda: Nephropidae) of Taiwan." volume="27" year="1988">Chan and Yu 1988</bibRefCitation>
), respectively. Other than the difference in body size,
<taxonomicName id="78B5C21EAEC15620F3251A8257091365" lsidName="N. pygmaea" pageId="0" pageNumber="37" rank="species" species="pygmaea">
<emphasis id="ECC351DABC12A1F6FCAF521030BC08AA" italics="true" pageId="0" pageNumber="37">N. pygmaea</emphasis>
</taxonomicName>
sp. nov. is unique in the
<taxonomicName id="7008E90DF461B6B481712AE567B6A505" lsidName="N. stewarti" pageId="0" pageNumber="37" rank="species" species="stewarti">
<emphasis id="B9E34DE73DA12518B1DF2ABE300A4D23" italics="true" pageId="0" pageNumber="37">N. stewarti</emphasis>
</taxonomicName>
species complex in that it lacks the subdistal outer spine or sharp tubercle on the merus of the large cheliped (Fig.
<figureCitation id="9274FCAC58BB527F2BD9ABB78F1A1407" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Nephropsis pygmaea sp. nov., Donggang, Pingtung County, Taiwan, holotype male cl 25.6 mm (NTOU M 01898) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral, pubescence and setae omitted ● position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface ♦ position of spines on dorsal margin of inner surface ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus, ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure3" httpUri="https://binary.pensoft.net/fig/492958" pageId="0" pageNumber="37">3C, D</figureCitation>
), which are present in
<taxonomicName id="E38757A0AE72107475607ED77BF910FF" lsidName="N. stewarti" pageId="0" pageNumber="37" rank="species" species="stewarti">
<emphasis id="7094B82432D97284D6D36F835E66DAB3" italics="true" pageId="0" pageNumber="37">N. stewarti</emphasis>
</taxonomicName>
and
<taxonomicName id="DF2872B321AC3428FBC9F737AD7C3D69" lsidName="N. grandis" pageId="0" pageNumber="37" rank="species" species="grandis">
<emphasis id="F580A7DD1CA48F5A1E6E113CB7A4F8AE" italics="true" pageId="0" pageNumber="37">N. grandis</emphasis>
</taxonomicName>
(Figs
<figureCitation id="719FC6F73C5DCF64DA61E429D8DF4180" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Nephropsis stewarti Wood-Mason, 1872, Andaman Sea, RV ' Dr. Fridtjof Nansen' stn 135, neotype male cl 46.2 mm (NTOU M 02249) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral. Pubescence and setae omitted ● Position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface of carpus ♦ position of spines on dorsal margin of inner surface of carpus ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure1" httpUri="https://binary.pensoft.net/fig/492956" pageId="0" pageNumber="37">1C, D</figureCitation>
,
<figureCitation id="0F451F840E5E160C9A1C1C2F70F6F083" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Nephropsis grandis Zarenkov, 2006, Tanimbar Islands, Arafura Sea, KARUBAR stn CP 59, neotype male cl 64.1 mm (MNHN IU- 2017 - 9001) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral. Pubescence and setae omitted ● Position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface ♦ position of spines on dorsal margin of inner surface ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure2" httpUri="https://binary.pensoft.net/fig/492957" pageId="0" pageNumber="37">2C, D</figureCitation>
).
</paragraph>
<paragraph id="D7AA9D38C6E1C3F023B37FC408569008" pageId="0" pageNumber="37">
In spite of the restricted distribution to the northwestern Pacific,
<taxonomicName id="5E44B5DB3CDFF3AECDB66FAA78AFA61E" lsidName="N. pygmaea" pageId="0" pageNumber="37" rank="species" species="pygmaea">
<emphasis id="4CE8BC06FB77939A742484D3157B0E78" italics="true" pageId="0" pageNumber="37">N. pygmaea</emphasis>
</taxonomicName>
sp. nov. is genetically closer to
<taxonomicName id="1B149F0BEA66C39AC753C36A50148AF9" lsidName="N. stewarti" pageId="0" pageNumber="37" rank="species" species="stewarti">
<emphasis id="9EC789BF0166FD0891EAAACAA76C4B7A" italics="true" pageId="0" pageNumber="37">N. stewarti</emphasis>
</taxonomicName>
than
<taxonomicName id="1ED5AC876CB6595ECDED996C94B82221" lsidName="N. grandis" pageId="0" pageNumber="37" rank="species" species="grandis">
<emphasis id="5FC75BA5E7CABDA9773BDE9E3EC8B3CA" italics="true" pageId="0" pageNumber="37">N. grandis</emphasis>
</taxonomicName>
. The lowest 16S sequence divergence between
<taxonomicName id="F9437A3D3A36337A2CFC4517BC33DA5A" lsidName="N. pygmaea" pageId="0" pageNumber="37" rank="species" species="pygmaea">
<emphasis id="FD7D1A8B3DA8F3F34B8BB2ABF90F5FE0" italics="true" pageId="0" pageNumber="37">N. pygmaea</emphasis>
</taxonomicName>
sp. nov. and
<taxonomicName id="A5E1056E44198B36E2AAEF3D084D6336" lsidName="N. stewarti" pageId="0" pageNumber="37" rank="species" species="stewarti">
<emphasis id="15F81604BD6FFA0A956A8D84AB07DF02" italics="true" pageId="0" pageNumber="37">N. stewarti</emphasis>
</taxonomicName>
is 3.8%, whereas the sequence divergence is almost double (7.5%) between
<taxonomicName id="AFCA9919DB7A7017EEC69F255C3BC632" lsidName="N. pygmaea" pageId="0" pageNumber="37" rank="species" species="pygmaea">
<emphasis id="7B55B59077D7B3FAA53803B297C0EF21" italics="true" pageId="0" pageNumber="37">N. pygmaea</emphasis>
</taxonomicName>
sp. nov. and
<taxonomicName id="A6873766CF82285F02B89097DAEA14CB" lsidName="N. grandis" pageId="0" pageNumber="37" rank="species" species="grandis">
<emphasis id="684E06C617C382F440DCDE86D09329B2" italics="true" pageId="0" pageNumber="37">N. grandis</emphasis>
</taxonomicName>
. Morphologically,
<taxonomicName id="63DB001244885682127056E5CE372BA0" lsidName="N. pygmaea" pageId="0" pageNumber="37" rank="species" species="pygmaea">
<emphasis id="65CEA87DBF285D86106E4FE2BE26258A" italics="true" pageId="0" pageNumber="37">N. pygmaea</emphasis>
</taxonomicName>
sp. nov. is also generally more similar to
<taxonomicName id="A29913D3C43563A246594CF5573A0A81" lsidName="N. stewarti" pageId="0" pageNumber="37" rank="species" species="stewarti">
<emphasis id="618392F5FCE68CD54BEDD2FE526D8DB7" italics="true" pageId="0" pageNumber="37">N. stewarti</emphasis>
</taxonomicName>
in the surface of the pleonal tergites distinctly granular (Figs
<figureCitation id="756F3D035BB48ED829F33A3763AEAD57" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Nephropsis stewarti Wood-Mason, 1872, Andaman Sea, RV ' Dr. Fridtjof Nansen' stn 135, neotype male cl 46.2 mm (NTOU M 02249) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral. Pubescence and setae omitted ● Position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface of carpus ♦ position of spines on dorsal margin of inner surface of carpus ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure1" httpUri="https://binary.pensoft.net/fig/492956" pageId="0" pageNumber="37">1A, B</figureCitation>
,
<figureCitation id="667574C906A2AF08CE4CD24A67814195" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Nephropsis pygmaea sp. nov., Donggang, Pingtung County, Taiwan, holotype male cl 25.6 mm (NTOU M 01898) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral, pubescence and setae omitted ● position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface ♦ position of spines on dorsal margin of inner surface ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus, ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure3" httpUri="https://binary.pensoft.net/fig/492958" pageId="0" pageNumber="37">3A, B</figureCitation>
), and the large cheliped is relatively less spiny (with inner surface of palm and outer surface of carpus lacking distinct spine; Figs
<figureCitation id="D693B41231314B8122AD2A8C69C49091" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Nephropsis stewarti Wood-Mason, 1872, Andaman Sea, RV ' Dr. Fridtjof Nansen' stn 135, neotype male cl 46.2 mm (NTOU M 02249) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral. Pubescence and setae omitted ● Position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface of carpus ♦ position of spines on dorsal margin of inner surface of carpus ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure1" httpUri="https://binary.pensoft.net/fig/492956" pageId="0" pageNumber="37">1C, E</figureCitation>
,
<figureCitation id="92A62A9F45A8B15CBF00BB1E503B6A59" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Nephropsis pygmaea sp. nov., Donggang, Pingtung County, Taiwan, holotype male cl 25.6 mm (NTOU M 01898) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral, pubescence and setae omitted ● position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface ♦ position of spines on dorsal margin of inner surface ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus, ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure3" httpUri="https://binary.pensoft.net/fig/492958" pageId="0" pageNumber="37">3C, E</figureCitation>
). As such a male specimen from the Philippines (NTOU M02260) has the granules arranged somewhat like a median carina on the pleon, as in some Indian
<taxonomicName id="B4D663E2F47F02A11580D50F8357F36A" lsidName="N. stewarti" pageId="0" pageNumber="37" rank="species" species="stewarti">
<emphasis id="E07A9E3B09F99D918F6369D9B07EF077" italics="true" pageId="0" pageNumber="37">N. stewarti</emphasis>
</taxonomicName>
specimens. Nevertheless,
<taxonomicName id="1EA8BB486233CC74D77F2923CD01EC14" lsidName="N. pygmaea" pageId="0" pageNumber="37" rank="species" species="pygmaea">
<emphasis id="B0058E171AB55B46801C3FE60CCAD9E9" italics="true" pageId="0" pageNumber="37">N. pygmaea</emphasis>
</taxonomicName>
sp. nov. can also be separated from
<taxonomicName id="9B2EC5CC03FA9D1E96162C1ED9064D46" lsidName="N. stewarti" pageId="0" pageNumber="37" rank="species" species="stewarti">
<emphasis id="9A7D0025DF5F23BFD0AF28E137D3EE20" italics="true" pageId="0" pageNumber="37">N. stewarti</emphasis>
</taxonomicName>
by the intermediate carina on the carapace indistinct (Fig.
<figureCitation id="8AE99D30DAC8827A990BE198DB34130B" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Nephropsis pygmaea sp. nov., Donggang, Pingtung County, Taiwan, holotype male cl 25.6 mm (NTOU M 01898) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral, pubescence and setae omitted ● position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface ♦ position of spines on dorsal margin of inner surface ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus, ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure3" httpUri="https://binary.pensoft.net/fig/492958" pageId="0" pageNumber="37">3A, B</figureCitation>
; vs. well-marked, Fig.
<figureCitation id="33D413481B0F6B4DF0453661CB6D4F6F" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Nephropsis stewarti Wood-Mason, 1872, Andaman Sea, RV ' Dr. Fridtjof Nansen' stn 135, neotype male cl 46.2 mm (NTOU M 02249) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral. Pubescence and setae omitted ● Position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface of carpus ♦ position of spines on dorsal margin of inner surface of carpus ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure1" httpUri="https://binary.pensoft.net/fig/492956" pageId="0" pageNumber="37">1A, B</figureCitation>
), rostral teeth usually located posterior to the mid-length of the rostrum (Fig.
<figureCitation id="0FC62C9D53FE04979A9FAF38C92A8F51" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Nephropsis pygmaea sp. nov., Donggang, Pingtung County, Taiwan, holotype male cl 25.6 mm (NTOU M 01898) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral, pubescence and setae omitted ● position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface ♦ position of spines on dorsal margin of inner surface ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus, ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure3" httpUri="https://binary.pensoft.net/fig/492958" pageId="0" pageNumber="37">3A, B</figureCitation>
; vs. usually at mid-length of the rostrum, Fig.
<figureCitation id="BE1BE6A4D8ADCF11319B960D833FFB8A" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Nephropsis stewarti Wood-Mason, 1872, Andaman Sea, RV ' Dr. Fridtjof Nansen' stn 135, neotype male cl 46.2 mm (NTOU M 02249) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral. Pubescence and setae omitted ● Position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface of carpus ♦ position of spines on dorsal margin of inner surface of carpus ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure1" httpUri="https://binary.pensoft.net/fig/492956" pageId="0" pageNumber="37">1A, B</figureCitation>
), and the inner surface of the carpus of the large cheliped usually armed with one or occasionally two spines along the dorsal margin (Fig.
<figureCitation id="5D803966CCFF4DECE832E5F232E0E4EC" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Nephropsis pygmaea sp. nov., Donggang, Pingtung County, Taiwan, holotype male cl 25.6 mm (NTOU M 01898) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral, pubescence and setae omitted ● position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface ♦ position of spines on dorsal margin of inner surface ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus, ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure3" httpUri="https://binary.pensoft.net/fig/492958" pageId="0" pageNumber="37">3C</figureCitation>
; vs. usually two to four spines, rarely one spine, Fig.
<figureCitation id="0102CA155BC81C385A37591A3DFE97CC" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Nephropsis stewarti Wood-Mason, 1872, Andaman Sea, RV ' Dr. Fridtjof Nansen' stn 135, neotype male cl 46.2 mm (NTOU M 02249) A carapace and pleon, dorsal B same, lateral C left pereiopod I, chela to distal part of merus, dorsal D same, lateral E same, ventral. Pubescence and setae omitted ● Position of spines on inner surface of palm ◇ position of spines on dorsal margin of outer surface of carpus ♦ position of spines on dorsal margin of inner surface of carpus ⏹ dorso-inner distal spine of carpus △ ventro-outer distal spine of carpus ◻ distoventral spine ✰ subdistal dorsal spine of merus ★ position of subdistal outer spine of merus." figureDoi="10.3897/zookeys.1008.59966.figure1" httpUri="https://binary.pensoft.net/fig/492956" pageId="0" pageNumber="37">1C</figureCitation>
). Of the 62 specimens examined for
<taxonomicName id="6652A0E5EEA420855BA5457E42AC1692" lsidName="N. pygmaea" pageId="0" pageNumber="37" rank="species" species="pygmaea">
<emphasis id="E3E53D9E080976A8640448CD249D601F" italics="true" pageId="0" pageNumber="37">N. pygmaea</emphasis>
</taxonomicName>
sp. nov., only 10 (16.1%) have two spines instead of one on the dorsal margin of the inner surface of the carpus of the large cheliped.
</paragraph>
<paragraph id="3E4D424C75CB23C137879ABA109EF730" pageId="0" pageNumber="37">
The present materials from southern Taiwan and the Philippines are generally very similar. Only one specimen (NTOU M02168) has three teeth instead of one on the right side of the rostrum. As both
<taxonomicName id="925E6912BE8021DC2776D04259C0405C" lsidName="N. grandis" pageId="0" pageNumber="37" rank="species" species="grandis">
<emphasis id="72A3EA4E3CC61EA452EF95678495F741" italics="true" pageId="0" pageNumber="37">N. grandis</emphasis>
</taxonomicName>
and
<taxonomicName id="B21DBB603904490BE837C487A2B3F3C0" lsidName="N. pygmaea" pageId="0" pageNumber="37" rank="species" species="pygmaea">
<emphasis id="719008E4AF1533E1DCD76CB9029E5468" italics="true" pageId="0" pageNumber="37">N. pygmaea</emphasis>
</taxonomicName>
sp. nov. occur in the Philippines, it is necessary to re-examine the Philippines &quot;
<taxonomicName id="FF1A81E0678DD3C6FF72B99E8274047A" lsidName="N. stewarti" pageId="0" pageNumber="37" rank="species" species="stewarti">
<emphasis id="6B53E676E3056E478B931ABC58F06C66" italics="true" pageId="0" pageNumber="37">N. stewarti</emphasis>
</taxonomicName>
&quot; material reported by
<bibRefCitation id="FB358489BE232E70DA9DDF93250369C4" author="Macpherson, E" editor="Crosnier, A" journalOrPublisher="Memoires du Museum national d'Histoire naturelle (A)" pageId="0" pageNumber="37" pagination="289 - 329" refId="B30" refString="Macpherson, E, 1990. Crustacea Decapoda: On a collection of Nephropidae from the Indian Ocean and western Pacific. In: Crosnier, A, Ed., Resultats des Campagnes MUSORSTOM Volume 6 (Crustaces de la Nouvelle Caledonie). Memoires du Museum national d'Histoire naturelle (A) 145: 289 - 329" title="Crustacea Decapoda: On a collection of Nephropidae from the Indian Ocean and western Pacific." volume="145" volumeTitle="Resultats des Campagnes MUSORSTOM Volume 6 (Crustaces de la Nouvelle Caledonie)." year="1990">Macpherson (1990)</bibRefCitation>
to determine their exact identities. Although most of the Philippines specimens described by
<bibRefCitation id="CB048D38599236A7B9F30BAC03D91639" author="Macpherson, E" editor="Crosnier, A" journalOrPublisher="Memoires du Museum national d'Histoire naturelle (A)" pageId="0" pageNumber="37" pagination="289 - 329" refId="B30" refString="Macpherson, E, 1990. Crustacea Decapoda: On a collection of Nephropidae from the Indian Ocean and western Pacific. In: Crosnier, A, Ed., Resultats des Campagnes MUSORSTOM Volume 6 (Crustaces de la Nouvelle Caledonie). Memoires du Museum national d'Histoire naturelle (A) 145: 289 - 329" title="Crustacea Decapoda: On a collection of Nephropidae from the Indian Ocean and western Pacific." volume="145" volumeTitle="Resultats des Campagnes MUSORSTOM Volume 6 (Crustaces de la Nouvelle Caledonie)." year="1990">Macpherson (1990)</bibRefCitation>
are rather small, a few of them (eg. carapace length, including rostrum, 70 mm, equivalent to a carapace length of approximately 47 mm) are larger than the present largest specimen (cl 28 mm) of
<taxonomicName id="DE851E539C83B1339F935D402FCAFFED" lsidName="N. pygmaea" pageId="0" pageNumber="37" rank="species" species="pygmaea">
<emphasis id="66ED86B2384230119DC20AED6DAF12F2" italics="true" pageId="0" pageNumber="37">N. pygmaea</emphasis>
</taxonomicName>
sp. nov. Moreover, a Philippines specimen identified by
<bibRefCitation id="E201E300CCD945189350EBBA71E869BE" author="Macpherson, E" editor="Crosnier, A" journalOrPublisher="Memoires du Museum national d'Histoire naturelle (A)" pageId="0" pageNumber="37" pagination="289 - 329" refId="B30" refString="Macpherson, E, 1990. Crustacea Decapoda: On a collection of Nephropidae from the Indian Ocean and western Pacific. In: Crosnier, A, Ed., Resultats des Campagnes MUSORSTOM Volume 6 (Crustaces de la Nouvelle Caledonie). Memoires du Museum national d'Histoire naturelle (A) 145: 289 - 329" title="Crustacea Decapoda: On a collection of Nephropidae from the Indian Ocean and western Pacific." volume="145" volumeTitle="Resultats des Campagnes MUSORSTOM Volume 6 (Crustaces de la Nouvelle Caledonie)." year="1990">Macpherson (1990)</bibRefCitation>
was obtained from a depth of 170-200 m, exceptionally shallow for species of
<taxonomicName id="B899614F3F4D1C13E7A670D292528A1B" class="Malacostraca" family="Nephropidae" genus="Nephropsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Nephropsis" order="Decapoda" pageId="0" pageNumber="37" phylum="Arthropoda" rank="genus">
<emphasis id="925A80CF8368AF0CFA92E7E5C355F023" italics="true" pageId="0" pageNumber="37">Nephropsis</emphasis>
</taxonomicName>
. Reexamination of this specimen may eventually reveal that the present species or
<taxonomicName id="FF065946234DFA438F5939AC0908D3AC" lsidName="N. grandis" pageId="0" pageNumber="37" rank="species" species="grandis">
<emphasis id="46CB6AF455B5FA78037319507BC8ED1A" italics="true" pageId="0" pageNumber="37">N. grandis</emphasis>
</taxonomicName>
extends to such shallow depth.
</paragraph>
</subSubSection>
</treatment>
</subSection>
</document>
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