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<document id="42685DD3A0E624DAC05203BB48D691D1" ID-DOI="10.5281/zenodo.186148" ID-GBIF-Dataset="199925e3-0b11-4615-a52f-16d1a44f7a99" ID-ISSN="1175-5326" ID-Zenodo-Dep="186148" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461046605795" checkinUser="plazi" docAuthor="Forges, Bertrand Richer De &amp; Ng, Peter K. L." docDate="2009" docId="03A887876B01FFAFFF28F8D0FAF0FC1B" docLanguage="en" docName="zt02025p020.pdf" docOrigin="Zootaxa 2025" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Guinotinia Forges &amp; Ng, 2009, n. gen." docType="treatment" docVersion="8" lastPageNumber="10" masterDocId="FF91FFFF6B09FFA6FFBFFF98FF91FFAC" masterDocTitle="New genera, new species and new records of Indo-West Pacific spider crabs (Crustacea: Brachyura: Epialtidae: Majoidea)" masterLastPageNumber="20" masterPageNumber="1" pageNumber="9" updateTime="1698577339417" updateUser="plazi">
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<mods:title id="AA7C14B51B7F00E6645111589E8746E6">New genera, new species and new records of Indo-West Pacific spider crabs (Crustacea: Brachyura: Epialtidae: Majoidea)</mods:title>
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<mods:namePart id="E15DC20C00A7C33E38A7C3243676FFA1">Forges, Bertrand Richer De</mods:namePart>
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<mods:namePart id="0A071CCE5B2A5C230C575B7563F2081B">Ng, Peter K. L.</mods:namePart>
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<mods:date id="2A16AEE35CFDD3A196A9511C3D538749">2009</mods:date>
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<treatment id="03A887876B01FFAFFF28F8D0FAF0FC1B" ID-DOI="http://doi.org/10.5281/zenodo.6226055" ID-GBIF-Taxon="119610996" ID-Zenodo-Dep="6226055" LSID="urn:lsid:plazi:treatment:03A887876B01FFAFFF28F8D0FAF0FC1B" httpUri="http://treatment.plazi.org/id/03A887876B01FFAFFF28F8D0FAF0FC1B" lastPageId="9" lastPageNumber="10" pageId="8" pageNumber="9">
<subSubSection id="C31B651A6B01FFAEFF28F8D0FEE5F8CE" box="[151,372,1864,1890]" pageId="8" pageNumber="9" type="nomenclature">
<paragraph id="8BBE36916B01FFAEFF28F8D0FEE5F8CE" blockId="8.[151,372,1864,1890]" box="[151,372,1864,1890]" pageId="8" pageNumber="9">
<heading id="D0F681FD6B01FFAEFF28F8D0FEE5F8CE" bold="true" box="[151,372,1864,1890]" fontSize="11" level="1" pageId="8" pageNumber="9" reason="1">
<emphasis id="B975EA836B01FFAEFF28F8D0FEE5F8CE" bold="true" box="[151,372,1864,1890]" pageId="8" pageNumber="9">
<taxonomicName id="4C014D126B01FFAEFF28F8D0FE8AF8CE" ID-CoL="7PHPZ" box="[151,283,1864,1890]" class="Malacostraca" family="Epialtidae" genus="Guinotinia" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B975EA836B01FFAEFF28F8D0FE8AF8CE" bold="true" box="[151,283,1864,1890]" italics="true" pageId="8" pageNumber="9">Guinotinia</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24657F86B01FFAEFE9DF8D0FEE5F8CE" box="[290,372,1864,1890]" pageId="8" pageNumber="9" rank="genus">n. gen.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C31B651A6B01FFAFFF28F809FC36FEE0" lastPageId="9" lastPageNumber="10" pageId="8" pageNumber="9" type="diagnosis">
<paragraph id="8BBE36916B01FFAEFF28F809FA0CF87F" blockId="8.[151,1437,1937,2003]" pageId="8" pageNumber="9">
<emphasis id="B975EA836B01FFAEFF28F809FE86F807" bold="true" box="[151,279,1937,1963]" pageId="8" pageNumber="9">Diagnosis.</emphasis>
Carapace pyriform. Rostrum bifid composed of 2 short flattened subparallel spines. Dorsal face of carapace with several raised plates with rounded surfaces. Supraocular eave forming sharp tooth anteriorly.
</paragraph>
<paragraph id="8BBE36916B00FFAFFF28FF00FC36FEE0" blockId="9.[151,1436,152,951]" pageId="9" pageNumber="10">
Antennae shorter than rostral spines, not visible from dorsal view. Carapace, ambulatory legs covered by short tomentum of cone-shaped setae. Gastric area with 4 plates touching each other or fused; cardiac plate distinctively heart-shaped; branchial plate elongated, separated into branchial, epibranchial portions. Cheliped shorter than P2. Propodi, dactyli of P3-P5 modified to form pseudochelae.
<collectingCountry id="F31676016B00FFAFFBBAFE94FBD0FE8A" box="[1029,1089,268,294]" name="Malta" pageId="9" pageNumber="10">Male</collectingCountry>
abdomen with 7 free somites including telson.
<collectingCountry id="F31676016B00FFAFFEDDFEAAFE0FFEE0" box="[354,414,306,332]" name="Malta" pageId="9" pageNumber="10">Male</collectingCountry>
anterior thoracic sternal sutures incomplete.
</paragraph>
</subSubSection>
<subSubSection id="C31B651A6B00FFAFFF79FEC0FBB8FE6C" pageId="9" pageNumber="10" type="etymology">
<paragraph id="8BBE36916B00FFAFFF79FEC0FBB8FE6C" blockId="9.[151,1436,152,951]" pageId="9" pageNumber="10">
<emphasis id="B975EA836B00FFAFFF79FEC0FEC2FEDE" bold="true" box="[198,339,344,370]" pageId="9" pageNumber="10">Etymology.</emphasis>
The genus honors the “queen” of modern carcinology, Danièle Guinot, Muséum national dHistoire naturelle, Paris, for her outstanding influence on brachyuran taxonomy. The gender of the genus is feminine. The
<typeStatus id="54BA88336B00FFAFFEFCFE3EFEE4FE6C" box="[323,373,422,448]" pageId="9" pageNumber="10">type</typeStatus>
species is
<taxonomicName id="4C014D126B00FFAFFE4CFE3FFD50FE6C" box="[499,705,423,448]" class="Malacostraca" family="Epialtidae" genus="Guinotinia" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="10" phylum="Arthropoda" rank="species" species="cordis" status="sp. nov.">
<emphasis id="B975EA836B00FFAFFE4CFE3FFD50FE6C" box="[499,705,423,448]" italics="true" pageId="9" pageNumber="10">Guinotinia cordis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24657F86B00FFAFFD76FE3EFC9AFE6C" box="[713,779,422,448]" pageId="9" pageNumber="10" rank="species">
<emphasis id="B975EA836B00FFAFFD76FE3EFC9AFE6C" bold="true" box="[713,779,422,448]" pageId="9" pageNumber="10">n. sp.</emphasis>
</taxonomicNameLabel>
, by present designation.
</paragraph>
</subSubSection>
<subSubSection id="C31B651A6B00FFAFFF79FE55FAF0FC1B" pageId="9" pageNumber="10" type="discussion">
<paragraph id="8BBE36916B00FFAFFF79FE55FD15FD63" blockId="9.[151,1436,152,951]" pageId="9" pageNumber="10">
<emphasis id="B975EA836B00FFAFFF79FE55FEA9FE4B" bold="true" box="[198,312,461,487]" pageId="9" pageNumber="10">Remarks</emphasis>
. Superficially,
<taxonomicName id="4C014D126B00FFAFFE54FE55FDFBFE4A" box="[491,618,461,486]" class="Malacostraca" family="Epialtidae" genus="Guinotinia" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B975EA836B00FFAFFE54FE55FDFBFE4A" box="[491,618,461,486]" italics="true" pageId="9" pageNumber="10">Guinotinia</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24657F86B00FFAFFDCEFE55FD52FE4B" box="[625,707,461,487]" pageId="9" pageNumber="10" rank="genus">
<emphasis id="B975EA836B00FFAFFDCEFE55FD52FE4B" bold="true" box="[625,707,461,487]" pageId="9" pageNumber="10">n. gen.</emphasis>
</taxonomicNameLabel>
is similar to
<taxonomicName id="4C014D126B00FFAFFCE3FE55FC57FE4A" box="[860,966,461,486]" class="Malacostraca" family="Epialtidae" genus="Rochinia" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus">
<emphasis id="B975EA836B00FFAFFCE3FE55FC57FE4A" box="[860,966,461,486]" italics="true" pageId="9" pageNumber="10">Rochinia</emphasis>
</taxonomicName>
, especially with regards to the pyriform carapace. The two genera, however, differ in the following characters: hepatic and branchial spines always prominent and very conspicuous in
<taxonomicName id="4C014D126B00FFAFFD83FD82FD37FD9F" box="[572,678,538,563]" class="Malacostraca" family="Epialtidae" genus="Rochinia" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus">
<emphasis id="B975EA836B00FFAFFD83FD82FD37FD9F" box="[572,678,538,563]" italics="true" pageId="9" pageNumber="10">Rochinia</emphasis>
</taxonomicName>
(bearing only a plate on the carapace in
<taxonomicName id="4C014D126B00FFAFFB3AFD82FA95FD9F" box="[1157,1284,538,563]" class="Malacostraca" family="Epialtidae" genus="Guinotinia" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B975EA836B00FFAFFB3AFD82FA95FD9F" box="[1157,1284,538,563]" italics="true" pageId="9" pageNumber="10">Guinotinia</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24657F86B00FFAFFAB3FD82FACFFD98" box="[1292,1374,538,564]" pageId="9" pageNumber="10" rank="genus">
<emphasis id="B975EA836B00FFAFFAB3FD82FACFFD98" bold="true" box="[1292,1374,538,564]" pageId="9" pageNumber="10">n. gen.</emphasis>
</taxonomicNameLabel>
); the rostrum consisting of two long, slender and cylindrical spines in
<taxonomicName id="4C014D126B00FFAFFC30FDD9FC68FDF6" box="[911,1017,577,602]" class="Malacostraca" family="Epialtidae" genus="Rochinia" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus">
<emphasis id="B975EA836B00FFAFFC30FDD9FC68FDF6" box="[911,1017,577,602]" italics="true" pageId="9" pageNumber="10">Rochinia</emphasis>
</taxonomicName>
(two short flat spines in
<taxonomicName id="4C014D126B00FFAFFAA2FDD9FA0DFDF6" box="[1309,1436,577,602]" class="Malacostraca" family="Epialtidae" genus="Guinotinia" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B975EA836B00FFAFFAA2FDD9FA0DFDF6" box="[1309,1436,577,602]" italics="true" pageId="9" pageNumber="10">Guinotinia</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24657F86B00FFAFFF28FDFFFF79FD2D" box="[151,232,615,641]" pageId="9" pageNumber="10" rank="genus">
<emphasis id="B975EA836B00FFAFFF28FDFFFF79FD2D" bold="true" box="[151,232,615,641]" pageId="9" pageNumber="10">n. gen.</emphasis>
</taxonomicNameLabel>
); the first pair of ambulatory legs are the longest in
<taxonomicName id="4C014D126B00FFAFFCF6FDF0FC23FD2D" box="[841,946,616,641]" class="Malacostraca" family="Epialtidae" genus="Rochinia" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus">
<emphasis id="B975EA836B00FFAFFCF6FDF0FC23FD2D" box="[841,946,616,641]" italics="true" pageId="9" pageNumber="10">Rochinia</emphasis>
</taxonomicName>
(first pair of ambulatory legs shorter than the cheliped in
<taxonomicName id="4C014D126B00FFAFFEF4FD17FE5BFD04" box="[331,458,655,680]" class="Malacostraca" family="Epialtidae" genus="Guinotinia" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B975EA836B00FFAFFEF4FD17FE5BFD04" box="[331,458,655,680]" italics="true" pageId="9" pageNumber="10">Guinotinia</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24657F86B00FFAFFE6EFD16FDB2FD04" box="[465,547,654,680]" pageId="9" pageNumber="10" rank="genus">
<emphasis id="B975EA836B00FFAFFE6EFD16FDB2FD04" bold="true" box="[465,547,654,680]" pageId="9" pageNumber="10">n. gen.</emphasis>
</taxonomicNameLabel>
); and the propodi and dactyli of P3-P5 are normal in
<taxonomicName id="4C014D126B00FFAFFB26FD17FA93FD04" box="[1177,1282,655,680]" class="Malacostraca" family="Epialtidae" genus="Rochinia" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus">
<emphasis id="B975EA836B00FFAFFB26FD17FA93FD04" box="[1177,1282,655,680]" italics="true" pageId="9" pageNumber="10">Rochinia</emphasis>
</taxonomicName>
(modified to form pseudochelae in
<taxonomicName id="4C014D126B00FFAFFE25FD2DFD88FD62" box="[410,537,693,718]" class="Malacostraca" family="Epialtidae" genus="Guinotinia" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B975EA836B00FFAFFE25FD2DFD88FD62" box="[410,537,693,718]" italics="true" pageId="9" pageNumber="10">Guinotinia</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24657F86B00FFAFFD9EFD2DFDE2FD63" box="[545,627,693,719]" pageId="9" pageNumber="10" rank="genus">
<emphasis id="B975EA836B00FFAFFD9EFD2DFDE2FD63" bold="true" box="[545,627,693,719]" pageId="9" pageNumber="10">n. gen.</emphasis>
</taxonomicNameLabel>
).
</paragraph>
<paragraph id="8BBE36916B00FFAFFF79FD44FAF0FC1B" blockId="9.[151,1436,152,951]" pageId="9" pageNumber="10">
The characteristic shape of the extremity of the ambulatory legs of the two new species of
<taxonomicName id="4C014D126B00FFAFFB42FD44FAEDFD59" box="[1277,1404,732,757]" class="Malacostraca" family="Epialtidae" genus="Guinotinia" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B975EA836B00FFAFFB42FD44FAEDFD59" box="[1277,1404,732,757]" italics="true" pageId="9" pageNumber="10">Guinotinia</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24657F86B00FFAFFA3BFD43FF5CFCB0" pageId="9" pageNumber="10" rank="genus">
<emphasis id="B975EA836B00FFAFFA3BFD43FF5CFCB0" bold="true" pageId="9" pageNumber="10">n. gen.</emphasis>
</taxonomicNameLabel>
is probably an adaptation to its most common habitat, clinging onto and moving about the long and slender gorgonian branches growing on the hard bottom on seamounts (
<figureCitation id="133A2A146B00FFAFFC5DFCB1FBA7FCEF" box="[994,1078,809,835]" captionStart="FIGURE 11" captionStartId="17.[151,255,1533,1557]" captionTargetBox="[151,1436,194,1509]" captionTargetId="figure@17.[151,1436,194,1509]" captionTargetPageId="17" captionText="FIGURE 11. Colours in life. A, Oxypleurodon sanctaeclausi n. sp., paratype ovigerous female (18.7 x 16.8 mm) (ZRC 2009.0018); B, Garthinia disica n. sp., paratype male (22.7 x 13.3 mm) (MNHN-B 31856); C, Guinotinia cordis n. sp., holotype male (23.0 x 16.3 mm) (MNHN-B 31857); D, Laubierinia carinata (Griffin &amp; Tranter, 1986), male (26.7 x 22.5 mm) (MNHN-B 31864)." httpUri="https://zenodo.org/record/186159/files/figure.png" pageId="9" pageNumber="10">Fig. 11</figureCitation>
C). The very long claw-like of the P3-P5 dactyli fold against the setose swelling on the propodus, forming pseudochelae similar to those of the P5 of
<taxonomicName id="4C014D126B00FFAFFEB9FCEEFE1DFC3C" box="[262,396,886,912]" class="Malacostraca" family="Homolidae" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="10" phylum="Arthropoda" rank="family">Homolidae</taxonomicName>
. Similar pseudochelae have been described in majoids of the genus
<taxonomicName id="4C014D126B00FFAFFB1FFCEFFF43FC1B" authority="Latreille, 1828" authorityName="Latreille" authorityYear="1828" class="Malacostraca" family="Epialtidae" genus="Acanthonyx" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="10" phylum="Arthropoda" rank="genus">
<emphasis id="B975EA836B00FFAFFB1FFCEFFABBFC3C" box="[1184,1322,887,912]" italics="true" pageId="9" pageNumber="10">Acanthonyx</emphasis>
Latreille, 1828
</taxonomicName>
(
<taxonomicName id="4C014D126B00FFAFFF5EFC05FE72FC1B" authority="Epialtinae" authorityName="Epialtinae" box="[225,483,925,951]" class="Malacostraca" family="Epialtidae" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="10" phylum="Arthropoda" rank="family">Epialtidae, Epialtinae</taxonomicName>
), which live on large seaweeds (see
<bibRefCitation id="EF904B606B00FFAFFC33FC05FBADFC1B" author="Wu" box="[908,1084,925,951]" pageId="9" pageNumber="20" refString="Wu, S. - H, Yu, H. - P. &amp; Ng, P. K. L. (1999) Acanthonyx formosa, a new species of spider crab (Decapoda, Brachyura, Majidae) from seaweed beds in Taiwan. Crustaceana, 72 (2), 193 - 202." type="journal article" year="1999">
Wu
<emphasis id="B975EA836B00FFAFFC03FC05FC66FC1A" box="[956,1015,925,950]" italics="true" pageId="9" pageNumber="10">et al.</emphasis>
1999
</bibRefCitation>
;
<bibRefCitation id="EF904B606B00FFAFFBF7FC05FAC4FC1B" author="Emparanza" box="[1096,1365,925,951]" pageId="9" pageNumber="19" refString="Emparanza, E. J. M., Guzman, G. L. &amp; Ng, P. K. L. (2007) A redescription of Acanthonyx petiverii H. Milne Edwards, 1834, and designation of a neotype for Acanthonyx simplex Dana, 1852 (Brachyura, Majidae). Crustaceana, 80 (5): 533 - 543." type="journal article" year="2007">
Emparanza
<emphasis id="B975EA836B00FFAFFB6CFC05FA9FFC1A" box="[1235,1294,925,950]" italics="true" pageId="9" pageNumber="10">et al.</emphasis>
2007
</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>