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<document id="081CD9C55A2501EB4B03B0B5361B26FE" ID-CLB-Dataset="29952" ID-DOI="10.11646/zootaxa.4429.2.6" ID-GBIF-Dataset="e60b6728-1b28-45bb-9bdd-d06476d29a18" ID-ISSN="1175-5326" ID-Zenodo-Dep="1284007" ID-ZooBank="E42066C8-070D-4742-80FE-726B9B92883A" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1528274270345" checkinUser="plazi" docAuthor="Osawa, Masayuki, Naruse, Tohru &amp; Ng, Peter K. L." docDate="2018" docId="B61EB057FFE9FFD5FF06AF39A2BFF46B" docLanguage="en" docName="zootaxa.4429.2.6.pdf" docOrigin="Zootaxa 4429 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Polyonyx sinensis" docType="key" docVersion="7" lastPageNumber="320" masterDocId="4A27C82FFFF9FFC4FF91A83DA723F264" masterDocTitle="New records of species of the Polyonyx sinensis group (Crustacea: Decapoda: Anomura: Porcellanidae) from Japan, the Philippines, Singapore, and Malaysia, with descriptions of two new species" masterLastPageNumber="323" masterPageNumber="303" pageNumber="319" updateTime="1698547768315" updateUser="ExternalLinkService">
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<mods:title id="07B6EF7A7673DEFE34EBDE7E9524A2E3">New records of species of the Polyonyx sinensis group (Crustacea: Decapoda: Anomura: Porcellanidae) from Japan, the Philippines, Singapore, and Malaysia, with descriptions of two new species</mods:title>
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<mods:namePart id="D19DE9900468CBB139146298DCDF4A78">Osawa, Masayuki</mods:namePart>
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<mods:namePart id="9C053685EACFB1F54D16502A55768621">Naruse, Tohru</mods:namePart>
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<mods:namePart id="B47C4D72FC9BA94FFFC4EFC345F221D4">Ng, Peter K. L.</mods:namePart>
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<mods:date id="A6C5A2F04A95681453CCD468B43DDB60">2018</mods:date>
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<mods:number id="80585EFDDC8BBE6082D1ABAF3F5F91A8">4429</mods:number>
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<treatment id="B61EB057FFE9FFD5FF06AF39A2BFF46B" ID-DOI="http://doi.org/10.5281/zenodo.5950048" ID-GBIF-Taxon="145908231" ID-Zenodo-Dep="5950048" LSID="urn:lsid:plazi:treatment:B61EB057FFE9FFD5FF06AF39A2BFF46B" httpUri="http://treatment.plazi.org/id/B61EB057FFE9FFD5FF06AF39A2BFF46B" lastPageId="17" lastPageNumber="320" pageId="16" pageNumber="319">
<subSubSection id="76AD52CAFFE9FFD4FF06AF39A4FAF57A" box="[151,985,1795,1822]" pageId="16" pageNumber="319" type="nomenclature">
<paragraph id="3E080141FFE9FFD4FF06AF39A4FAF57A" blockId="16.[151,985,1795,1822]" box="[151,985,1795,1822]" pageId="16" pageNumber="319">
<heading id="6540B62DFFE9FFD4FF06AF39A4FAF57A" bold="true" box="[151,985,1795,1822]" fontSize="11" level="1" pageId="16" pageNumber="319" reason="1">
<emphasis id="0CC3DD53FFE9FFD4FF06AF39A4FAF57A" bold="true" box="[151,985,1795,1822]" pageId="16" pageNumber="319">
Key to the Indo-West Pacific species of the
<taxonomicName id="F9B77AC2FFE9FFD4FD21AF3EA4A4F579" ID-CoL="e848b769-c05e-4786-a9df-66681431cd1e" baseAuthorityName="Werding" baseAuthorityYear="2001" box="[688,903,1795,1821]" class="Malacostraca" family="Porcellanidae" genus="Polyonyx" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="319" phylum="Arthropoda" rank="species" species="sinensis">
<emphasis id="0CC3DD53FFE9FFD4FD21AF3EA4A4F579" bold="true" box="[688,903,1795,1821]" italics="true" pageId="16" pageNumber="319">Polyonyx sinensis</emphasis>
</taxonomicName>
group
</emphasis>
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<keyStep id="854319E4FFE9FFD4FF06AF74A2B8F5FE" pageId="16" pageNumber="319">
<paragraph id="3E080141FFE9FFD4FF06AF74A2B8F519" blockId="16.[151,1436,1865,2034]" pageId="16" pageNumber="319">
<keyLead id="8546A274FFE9FFD4FF06AF74A2B8F519" pageId="16" pageNumber="319">1. Meri of ambulatory legs with rows of spines on ventral margins (spines occasionally obsolete on ventrolateral margin of second pereopod)........................................................................................ 2</keyLead>
</paragraph>
<paragraph id="3E080141FFE9FFD4FF06AFB8A2B8F5FE" blockId="16.[151,1436,1865,2034]" box="[151,1435,1924,1946]" pageId="16" pageNumber="319">
<keyLead id="8546A274FFE9FFD4FF06AFB8A2B8F5FE" box="[151,1435,1924,1946]" pageId="16" pageNumber="319">- Meri of ambulatory legs unarmed on ventral margins......................................................... 5</keyLead>
</paragraph>
</keyStep>
<paragraph id="3E080141FFE9FFD4FF06AF9FA2BFF5B1" blockId="16.[151,1436,1865,2034]" pageId="16" pageNumber="319">
<keyStep id="854319E4FFE9FFD4FF06AF9FA2BFF5B1" pageId="16" pageNumber="319">
<keyLead id="8546A274FFE9FFD4FF06AF9FA2BFF5B1" pageId="16" pageNumber="319">
2. Carapace with broad V-shaped median cleft on posterior margin; median lobe of rostrum not visible in dorsal view...........................................................................................
<taxonomicName id="F9B77AC2FFE9FFD4FB2EAF82A2BFF5B1" ID-CoL="ebbd71d5-fc0f-4c47-88a6-c19b520ae76e" authority="Nobili, 1906" authorityName="Nobili" authorityYear="1906" box="[1215,1436,1983,2005]" class="Malacostraca" family="Porcellanidae" genus="Polyonyx" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="16" pageNumber="319" phylum="Arthropoda" rank="species" species="pedalis">
<emphasis id="0CC3DD53FFE9FFD4FB2EAF82A23FF5B0" box="[1215,1308,1983,2004]" italics="true" pageId="16" pageNumber="319">P. pedalis</emphasis>
<bibRefCitation id="5A267CB0FFE9FFD4FAB2AF82A2BFF5B1" box="[1315,1436,1983,2005]" pageId="16" pageNumber="319" refId="ref13139" refString="Nobili, G. (1906) Diagnoses preliminaires de 34 especes et varietes nouvelles, et de 2 genres nouveaux de decapodes de la Mer Rouge. Bulletin du Museum National d'Histoire, Paris, 11 (1905), 393 - 411, figs. 1 &amp; 2." type="journal article">Nobili, 1906</bibRefCitation>
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</paragraph>
<paragraph id="3E080141FFE9FFD4FF06AFE0A2B8F596" blockId="16.[151,1436,1865,2034]" box="[151,1435,2012,2034]" pageId="16" pageNumber="319">
<keyLead id="8546A274FFE9FFD4FF06AFE0A2B8F596" box="[151,1435,2012,2034]" pageId="16" pageNumber="319">- Carapace without distinct V-shaped median cleft on posterior margin; median lobe of rostrum clearly visible and anteriorly</keyLead>
</paragraph>
<paragraph id="3E080141FFE8FFD5FF70A8AAA2BFF283" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
produced in dorsal view................................................................................ 3
<keyStep id="854319E4FFE8FFD5FF06A889A2BFF283" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06A889A2BFF283" pageId="17" pageNumber="320">
3. Branchial margins of carapace convex. Basal article of antennular peduncle with small projection mesially on anterior margin...........................................................................
<emphasis id="0CC3DD53FFE8FFD5FBF9A8EFA3FFF283" box="[1128,1244,210,231]" italics="true" pageId="17" pageNumber="320">P. kumejima</emphasis>
<bibRefCitation id="5A267CB0FFE8FFD5FB72A8ECA2BFF283" box="[1251,1436,209,231]" pageId="17" pageNumber="320" refId="ref13533" refString="Osawa, M. &amp; Ng, P. K. L. (2016) Revision of Polyonyx pedalis Nobili, 1906 (Crustacea: Decapoda: Anomura: Porcellanidae), with descriptions of three new species. Raffles Bulletin of Zoology, Supplement, 34, 499 - 518." type="journal article">Osawa &amp; Ng, 2016</bibRefCitation>
</keyLead>
</keyStep>
</paragraph>
<paragraph id="3E080141FFE8FFD5FF06A8D2A2B8F346" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06A8D2A2B8F346" pageId="17" pageNumber="320">- Branchial margins of carapace subparallel, nearly straight. Basal article of antennular peduncle without projection mesially on anterior margin....................................................................................... 4</keyLead>
</paragraph>
<keyStep id="854319E4FFE8FFD5FF06A914A2BFF3F3" pageId="17" pageNumber="320">
<paragraph id="3E080141FFE8FFD5FF06A914A2BFF339" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06A914A2BFF339" pageId="17" pageNumber="320">
4. Carapace with blunt, elevated protogastric ridges, making anterior gastric region inflated. Merus of second pereopod comparatively more slender, 2.6–2.9 times longer than distal height................................
<taxonomicName id="F9B77AC2FFE8FFD5FB09A97AA2BFF339" ID-CoL="4b652432-fc84-42c1-8f7f-420f0d5cb2d9" authority="Osawa &amp; Ng, 2016" authorityName="Osawa &amp; Ng" authorityYear="2016" box="[1176,1436,327,349]" class="Malacostraca" family="Porcellanidae" genus="Polyonyx" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="320" phylum="Arthropoda" rank="species" species="heok">
<emphasis id="0CC3DD53FFE8FFD5FB09A97AA3FFF338" box="[1176,1244,327,348]" italics="true" pageId="17" pageNumber="320">P. heok</emphasis>
<bibRefCitation id="5A267CB0FFE8FFD5FB72A97AA2BFF339" box="[1251,1436,327,349]" pageId="17" pageNumber="320" refId="ref13533" refString="Osawa, M. &amp; Ng, P. K. L. (2016) Revision of Polyonyx pedalis Nobili, 1906 (Crustacea: Decapoda: Anomura: Porcellanidae), with descriptions of three new species. Raffles Bulletin of Zoology, Supplement, 34, 499 - 518." type="journal article">Osawa &amp; Ng, 2016</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="3E080141FFE8FFD5FF06A958A2BFF3F3" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06A958A2BFF3F3" pageId="17" pageNumber="320">
- Carapace with weak or obsolete protogastric ridges. Merus of second pereopod 2.5 times longer than distal height.......................................................................................
<emphasis id="0CC3DD53FFE8FFD5FB14A9BFA3FFF3F3" box="[1157,1244,386,407]" italics="true" pageId="17" pageNumber="320">P. planus</emphasis>
<bibRefCitation id="5A267CB0FFE8FFD5FB72A9BCA2BFF3F3" box="[1251,1436,385,407]" pageId="17" pageNumber="320" refId="ref13533" refString="Osawa, M. &amp; Ng, P. K. L. (2016) Revision of Polyonyx pedalis Nobili, 1906 (Crustacea: Decapoda: Anomura: Porcellanidae), with descriptions of three new species. Raffles Bulletin of Zoology, Supplement, 34, 499 - 518." type="journal article">Osawa &amp; Ng, 2016</bibRefCitation>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="854319E4FFE8FFD5FF06A9A2A2B8F04E" pageId="17" pageNumber="320">
<paragraph id="3E080141FFE8FFD5FF06A9A2A2B8F3B6" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06A9A2A2B8F3B6" pageId="17" pageNumber="320">5. Branchial margins of carapace strongly convex. Carapace and carpi of chelipeds with relatively long transverse striae on dorsal surfaces. Merus of each cheliped with broad lobe on dorso-anterior margin........................................ 6</keyLead>
</paragraph>
<paragraph id="3E080141FFE8FFD5FF06A9E7A2B8F04E" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06A9E7A2B8F04E" pageId="17" pageNumber="320">
- Branchial margins of carapace subparallel, nearly straight (maybe slightly convex in
<emphasis id="0CC3DD53FFE8FFD5FBB0A9E7A393F38B" box="[1057,1200,474,495]" italics="true" pageId="17" pageNumber="320">P. maccullochi</emphasis>
). Carapace and carpi of chelipeds with at most delicate, short transverse striae on dorsal surfaces. Merus of each cheliped with narrow lobe on dorsoanterior margin (comparatively broader lobe in
<emphasis id="0CC3DD53FFE8FFD5FD38AA28A415F04E" box="[681,822,533,554]" italics="true" pageId="17" pageNumber="320">P. maccullochi</emphasis>
)................................................. 8
</keyLead>
</paragraph>
</keyStep>
<keyStep id="854319E4FFE8FFD5FF06AA0CA2B8F0FB" pageId="17" pageNumber="320">
<paragraph id="3E080141FFE8FFD5FF06AA0CA2BFF001" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06AA0CA2BFF001" pageId="17" pageNumber="320">
6. Median lobe of rostrum faintly developed, nearly transverse in dorsal view. Merus of each cheliped with subrectangular lobe on dorso-anterior margin.............................................................
<taxonomicName id="F9B77AC2FFE8FFD5FB3CAA72A2BFF001" ID-CoL="0dc43847-fc6d-4b83-ba89-487f99ba6f91" authority="Osawa, 2007" authorityName="Osawa" authorityYear="2007" box="[1197,1436,591,613]" class="Malacostraca" family="Porcellanidae" genus="Polyonyx" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="320" phylum="Arthropoda" rank="species" species="boucheti">
<emphasis id="0CC3DD53FFE8FFD5FB3CAA72A23AF000" box="[1197,1305,591,612]" italics="true" pageId="17" pageNumber="320">P. boucheti</emphasis>
Osawa, 2007
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="3E080141FFE8FFD5FF06AA50A2B8F0FB" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06AA50A2B8F0FB" pageId="17" pageNumber="320">- Median lobe of rostrum broadly triangular, distinctly produced anteriorly. Merus of each cheliped with rounded lobe on dorsoanterior margin...................................................................................... 7</keyLead>
</paragraph>
</keyStep>
<keyStep id="854319E4FFE8FFD5FF06AA9AA2BFF171" pageId="17" pageNumber="320">
<paragraph id="3E080141FFE8FFD5FF06AA9AA2BFF0BE" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06AA9AA2BFF0BE" pageId="17" pageNumber="320">
7. Carpus of each cheliped with distinct row of plumose setae on dorso-anterior margin. Merus of second pereopod slender, 2.5– 2.7 times as long as maximum high.....................................................
<taxonomicName id="F9B77AC2FFE8FFD5FB27AAF8A27CF0BE" ID-CoL="195054f5-3f98-40b3-8728-59af9da6c8bb" authority="Osawa &amp; Naruse &amp; Ng, 2018" authorityName="Osawa &amp; Naruse &amp; Ng" authorityYear="2018" box="[1206,1375,709,730]" class="Malacostraca" family="Porcellanidae" genus="Polyonyx" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="320" phylum="Arthropoda" rank="species" species="pilosibrachium" status="sp. nov.">
<emphasis id="0CC3DD53FFE8FFD5FB27AAF8A27CF0BE" box="[1206,1375,709,730]" italics="true" pageId="17" pageNumber="320">P. pilosibrachium</emphasis>
</taxonomicName>
<taxonomicNameLabel id="17F06028FFE8FFD5FAF7AAF9A2BFF0BE" box="[1382,1436,708,730]" pageId="17" pageNumber="320" rank="species">
<emphasis id="0CC3DD53FFE8FFD5FAF7AAF9A2BFF0BE" bold="true" box="[1382,1436,708,730]" pageId="17" pageNumber="320">n. sp.</emphasis>
</taxonomicNameLabel>
</keyLead>
</paragraph>
<paragraph id="3E080141FFE8FFD5FF06AADFA2BFF171" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06AADFA2BFF171" pageId="17" pageNumber="320">
- Carpus of each cheliped with no or only a few shorter setae on dorso-anterior margin. Merus of second pereopod proportionally stouter, 2.1 times as long as maximum high..........................................
<taxonomicName id="F9B77AC2FFE8FFD5FB35AAC2A2BFF171" ID-CoL="d424d510-4990-43bb-9359-631b037097b9" authority="Miyake, 1943" authorityName="Miyake" authorityYear="1943" box="[1188,1436,767,789]" class="Malacostraca" family="Porcellanidae" genus="Polyonyx" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="320" phylum="Arthropoda" rank="species" species="utinomii">
<emphasis id="0CC3DD53FFE8FFD5FB35AAC2A233F170" box="[1188,1296,767,788]" italics="true" pageId="17" pageNumber="320">P. utinomii</emphasis>
<bibRefCitation id="5A267CB0FFE8FFD5FA87AAC2A2BFF171" box="[1302,1436,767,789]" pageId="17" pageNumber="320" refId="ref12579" refString="Miyake, S. (1943) Studies on the crab-shaped Anomura of Nippon and adjacent waters. Journal of the Department of Agriculture, Kyushu Imperial University, 7, 49 - 158." type="journal article">Miyake, 1943</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="854319E4FFE8FFD5FF06AB21A2B8F1EE" pageId="17" pageNumber="320">
<paragraph id="3E080141FFE8FFD5FF06AB21A2B8F12B" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06AB21A2B8F12B" pageId="17" pageNumber="320">
8. Carapace with scattered long setae on dorsal surface. Propodi of ambulatory legs each with 2–4 irregular, longitudinal rows of spines on ventral surface.............................................................
<emphasis id="0CC3DD53FFE8FFD5FB21AB07A22AF12B" box="[1200,1289,826,847]" italics="true" pageId="17" pageNumber="320">P. haigae</emphasis>
<bibRefCitation id="5A267CB0FFE8FFD5FA81AB04A2B8F12B" box="[1296,1435,825,847]" pageId="17" pageNumber="320" refId="ref12531" refString="McNeill, F. A. (1968) Crustacea, Decapoda &amp; Stomatopoda. Great Barrier Reef Expedition 1928 - 29, Scientific Reports, 7, 1 - 98, pls. 1 - 2. [British Museum (Natural History), London]" type="journal article">McNeill, 1968</bibRefCitation>
</keyLead>
</paragraph>
<paragraph id="3E080141FFE8FFD5FF06AB6AA2B8F1EE" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06AB6AA2B8F1EE" pageId="17" pageNumber="320">- Carapace without long setae on dorsal surface. Propodi of ambulatory legs each with single longitudinal row of spines or sparse some spines on ventral surface..................................................................... 9</keyLead>
</paragraph>
</keyStep>
<keyStep id="854319E4FFE8FFD5FF06ABACA2BFF19B" pageId="17" pageNumber="320">
<paragraph id="3E080141FFE8FFD5FF06ABACA2BFF1A1" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06ABACA2BFF1A1" pageId="17" pageNumber="320">
9. Carpus of each cheliped with row of dense, long plumose setae on dorso-anterior margin. Propodi of ambulatory legs each with more than 12 spines on ventral margin.............................................
<emphasis id="0CC3DD53FFE8FFD5FBE5AB92A3D9F1A0" box="[1140,1274,943,964]" italics="true" pageId="17" pageNumber="320">P. transversus</emphasis>
(
<bibRefCitation id="5A267CB0FFE8FFD5FA99AB92A2B6F1A1" box="[1288,1429,943,965]" pageId="17" pageNumber="320" refId="ref12283" refString="Haswell, W. A. (1882) Description of some new species of Australian Decapoda. Proceedings of the Linnean Society of New South Wales, 6, 750 - 763. https: // doi. org / 10.5962 / bhl. part. 11897" type="journal article">Haswell, 1882</bibRefCitation>
)
</keyLead>
</paragraph>
<paragraph id="3E080141FFE8FFD5FF06ABF0A2BFF19B" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06ABF0A2BFF19B" pageId="17" pageNumber="320">
- Carpus of each cheliped with no or row of short plumose setae on dorso-anterior margin (setae most numerous in
<emphasis id="0CC3DD53FFE8FFD5FADEABF0A2A8F186" box="[1359,1419,973,994]" italics="true" pageId="17" pageNumber="320">P. thai</emphasis>
). Propodi of ambulatory legs each with less than 11 spines on ventral margin, excluding pair of distoventral spines....... 10
</keyLead>
</paragraph>
</keyStep>
<keyStep id="854319E4FFE8FFD5FF06AC3AA2B8F65E" pageId="17" pageNumber="320">
<paragraph id="3E080141FFE8FFD5FF06AC3AA2B8F679" blockId="17.[151,1436,151,1551]" box="[151,1435,1031,1053]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06AC3AA2B8F679" box="[151,1435,1031,1053]" pageId="17" pageNumber="320">
10. Carapace slightly broader than long; median lobe of rostrum acute, strongly produced...........
<emphasis id="0CC3DD53FFE8FFD5FB0FAC3AA208F678" box="[1182,1323,1031,1052]" italics="true" pageId="17" pageNumber="320">P. maccullochi</emphasis>
<bibRefCitation id="5A267CB0FFE8FFD5FAA0AC3AA2B8F679" box="[1329,1435,1031,1053]" pageId="17" pageNumber="320" refId="ref12174" refString="Haig, J. (1965) The Porcellanidae (Crustacea, Anomura) of Western Australia with description of four new Australian species. Journal of the Royal Society of Western Australia, 48, 97 - 117." type="journal article">Haig, 1965</bibRefCitation>
</keyLead>
</paragraph>
<paragraph id="3E080141FFE8FFD5FF06AC18A2B8F65E" blockId="17.[151,1436,151,1551]" box="[151,1435,1060,1082]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06AC18A2B8F65E" box="[151,1435,1060,1082]" pageId="17" pageNumber="320">- Carapace distinctly broader than long; median lobe of rostrum weakly or bluntly produced......................... 11</keyLead>
</paragraph>
</keyStep>
<keyStep id="854319E4FFE8FFD5FF06AC7CA2B8F611" pageId="17" pageNumber="320">
<paragraph id="3E080141FFE8FFD5FF06AC7CA2BFF633" blockId="17.[151,1436,151,1551]" box="[151,1436,1089,1111]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06AC7CA2BFF633" box="[151,1436,1089,1111]" pageId="17" pageNumber="320">11. Carpus of larger cheliped with broad concavity or slope on proximal half of dorso-anterior margin................... 12</keyLead>
</paragraph>
<paragraph id="3E080141FFE8FFD5FF06AC62A2B8F611" blockId="17.[151,1436,151,1551]" box="[151,1435,1119,1141]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06AC62A2B8F611" box="[151,1435,1119,1141]" pageId="17" pageNumber="320">- Carpus of larger cheliped with short concavity proximally on dorso-anterior margin................................ 13</keyLead>
</paragraph>
</keyStep>
<keyStep id="854319E4FFE8FFD5FF06AC41A2BFF68E" pageId="17" pageNumber="320">
<paragraph id="3E080141FFE8FFD5FF06AC41A2BFF6CB" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06AC41A2BFF6CB" pageId="17" pageNumber="320">
12. Carpus of larger cheliped weakly or moderately concave on proximal half of dorso-anterior margin, fixed finger of larger chela with tip somewhat turned outwards..........................................
<taxonomicName id="F9B77AC2FFE8FFD5FBAFACA7A2BFF6CB" ID-CoL="fd0638b8-1bf5-45c7-b5f4-2743ad432140" authority="Ng &amp; Sasekumar, 1993" authorityName="Ng &amp; Sasekumar" authorityYear="1993" box="[1086,1436,1177,1199]" class="Malacostraca" family="Porcellanidae" genus="Polyonyx" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="320" phylum="Arthropoda" rank="species" species="vermicola">
<emphasis id="0CC3DD53FFE8FFD5FBAFACA7A396F6CB" box="[1086,1205,1178,1199]" italics="true" pageId="17" pageNumber="320">P. vermicola</emphasis>
Ng &amp;
<bibRefCitation id="5A267CB0FFE8FFD5FB69ACA4A2BFF6CB" box="[1272,1436,1177,1199]" pageId="17" pageNumber="320" refId="ref12841" refString="Ng, P. K. L. &amp; Sasekumar, A. (1993) A new species of Polyonyx Stimpson, 1858, of the P. sinensis group (Crustacea: Anomura: Porcellanidae) commensal with a chaetopterid worm from Peninsular Malaysia. Zoologische Mededelingen, 67, 466 - 472." type="journal article">Sasekumar, 1993</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="3E080141FFE8FFD5FF06AC8AA2BFF68E" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06AC8AA2BFF68E" pageId="17" pageNumber="320">
- Carpus of larger cheliped nearly straight on proximal half of dorso-anterior margin, fixed finger of larger chela with tip not turned outwards...................................................................
<taxonomicName id="F9B77AC2FFE8FFD5FB08ACE8A2BFF68E" ID-CoL="e848b769-c05e-4786-a9df-66681431cd1e" authority="Stimpson, 1858" authorityName="Stimpson" authorityYear="1858" box="[1177,1436,1236,1258]" class="Malacostraca" family="Porcellanidae" genus="Polyonyx" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="320" phylum="Arthropoda" rank="species" species="sinensis">
<emphasis id="0CC3DD53FFE8FFD5FB08ACE8A223F68E" box="[1177,1280,1237,1258]" italics="true" pageId="17" pageNumber="320">P. sinensis</emphasis>
<bibRefCitation id="5A267CB0FFE8FFD5FA94ACE9A2BFF68E" box="[1285,1436,1236,1258]" pageId="17" pageNumber="320" refId="ref14077" refString="Stimpson, W. (1858) Prodromus descriptionis animalium evertebratorum, quae in Expeditione ad Oceanum Pacificum Septentrionalem, a Republica Federata missa, Cadwaladaro Ringgold et Johanne Rodgers Ducibus, observavit et descripsit. Pars VII. Crustacea Anomura. [Preprint (December 1858) from] Proceedings of the Academy of Natural Sciences of Philadelphia, 1858, 225 - 252." type="book chapter">Stimpson, 1858</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="854319E4FFE8FFD5FF06ACCCA2BFF741" pageId="17" pageNumber="320">
<paragraph id="3E080141FFE8FFD5FF06ACCCA2BFF763" blockId="17.[151,1436,151,1551]" box="[151,1436,1265,1287]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06ACCCA2BFF763" box="[151,1436,1265,1287]" pageId="17" pageNumber="320">13. Carpus of larger cheliped strongly bulging on dorso-anterior margin, except for distinct proximal concavity............ 14</keyLead>
</paragraph>
<paragraph id="3E080141FFE8FFD5FF06AD32A2BFF741" blockId="17.[151,1436,151,1551]" box="[151,1436,1295,1317]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06AD32A2BFF741" box="[151,1436,1295,1317]" pageId="17" pageNumber="320">- Carpus of larger cheliped weakly convex on dorso-anterior margin, except for shallow proximal concavity............. 15</keyLead>
</paragraph>
</keyStep>
<keyStep id="854319E4FFE8FFD5FF06AD11A2BFF7FE" pageId="17" pageNumber="320">
<paragraph id="3E080141FFE8FFD5FF06AD11A2BFF704" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06AD11A2BFF704" pageId="17" pageNumber="320">
14. Propodi of ambulatory legs slender (e.g., 2.4–2.7 times as long as maximum high on fourth pereopod); ventral margins each with usually 1 subproximal and 1 subdistal spines, in addition to pair of distoventral spines...........
<taxonomicName id="F9B77AC2FFE8FFD5FB4AAD77A243F73B" ID-CoL="f9dd9713-adec-4b70-b7e1-83b865674be9" authority="Osawa &amp; Naruse &amp; Ng, 2018" authorityName="Osawa &amp; Naruse &amp; Ng" authorityYear="2018" box="[1243,1376,1354,1375]" class="Malacostraca" family="Porcellanidae" genus="Polyonyx" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="17" pageNumber="320" phylum="Arthropoda" rank="species" species="sasekumari" status="sp. nov.">
<emphasis id="0CC3DD53FFE8FFD5FB4AAD77A243F73B" box="[1243,1376,1354,1375]" italics="true" pageId="17" pageNumber="320">P. sasekumari</emphasis>
</taxonomicName>
<taxonomicNameLabel id="17F06028FFE8FFD5FAF7AD77A2BFF704" box="[1382,1436,1354,1376]" pageId="17" pageNumber="320" rank="species">
<emphasis id="0CC3DD53FFE8FFD5FAF7AD77A2BFF704" bold="true" box="[1382,1436,1354,1376]" pageId="17" pageNumber="320">n. sp.</emphasis>
</taxonomicNameLabel>
</keyLead>
</paragraph>
<paragraph id="3E080141FFE8FFD5FF06AD5AA2BFF7FE" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06AD5AA2BFF7FE" pageId="17" pageNumber="320">
- Propodi of ambulatory legs proportionally stouter (e.g., 2.3 times as long as maximum high on fourth pereopod); ventral margins each with row of 4–9 spines, in addition to pair of distoventral spines.......................
<emphasis id="0CC3DD53FFE8FFD5FB5AADB8A22BF7FE" box="[1227,1288,1413,1434]" italics="true" pageId="17" pageNumber="320">P. thai</emphasis>
<bibRefCitation id="5A267CB0FFE8FFD5FA9FADB9A2BFF7FE" box="[1294,1436,1412,1434]" pageId="17" pageNumber="320" refId="ref14302" refString="Werding, B. (2001) Description of two new species of Polyonyx Stimpson, 1858 from the Indo-West Pacific, with a key to the species of the Polyonyx sinensis group (Crustacea: Decapoda: Porcellanidae). Proceedings of the Biological Society of Washington, 114, 109 - 119." type="journal article">Werding, 2001</bibRefCitation>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="854319E4FFE8FFD5FF06AD9CA2BFF46B" pageId="17" pageNumber="320">
<paragraph id="3E080141FFE8FFD5FF06AD9CA2BFF7B1" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06AD9CA2BFF7B1" pageId="17" pageNumber="320">
15. Propodi of ambulatory legs each with 1 subdistal spine on ventral margin, in addition to pair of distoventral spines........................................................................................
<emphasis id="0CC3DD53FFE8FFD5FB06AD82A229F7B0" box="[1175,1290,1471,1492]" italics="true" pageId="17" pageNumber="320">P. loimicola</emphasis>
<bibRefCitation id="5A267CB0FFE8FFD5FA81AD82A2BFF7B1" box="[1296,1436,1471,1493]" pageId="17" pageNumber="320" refId="ref13987" refString="Sankolli, K. N. (1965) On a new species of commensal porcellanid crab, Polyonyx loimicola sp. nov., from India (Crustacea, Anomura, Porcellanidae). Journal of the Bombay Natural History Society, 62, 285 - 291." type="journal article">Sankolli, 1965</bibRefCitation>
</keyLead>
</paragraph>
<paragraph id="3E080141FFE8FFD5FF06ADE0A2BFF46B" blockId="17.[151,1436,151,1551]" pageId="17" pageNumber="320">
<keyLead id="8546A274FFE8FFD5FF06ADE0A2BFF46B" pageId="17" pageNumber="320">
- Propodi of ambulatory legs each with 3–5 spines on ventral margin, in addition to pair of distoventral spines..............................................................................................
<emphasis id="0CC3DD53FFE8FFD5FB36ADC7A224F46B" box="[1191,1287,1530,1551]" italics="true" pageId="17" pageNumber="320">P. tulearis</emphasis>
<bibRefCitation id="5A267CB0FFE8FFD5FA9FADC4A2BFF46B" box="[1294,1436,1529,1551]" pageId="17" pageNumber="320" refId="ref14302" refString="Werding, B. (2001) Description of two new species of Polyonyx Stimpson, 1858 from the Indo-West Pacific, with a key to the species of the Polyonyx sinensis group (Crustacea: Decapoda: Porcellanidae). Proceedings of the Biological Society of Washington, 114, 109 - 119." type="journal article">Werding, 2001</bibRefCitation>
</keyLead>
</paragraph>
</keyStep>
</subSubSection>
</treatment>
</document>
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