245 lines
42 KiB
XML
245 lines
42 KiB
XML
<document id="40C430E2C930E52510C0A3B190477E57" ID-CLB-Dataset="37321" ID-DOI="10.11646/zootaxa.4209.1.1" ID-GBIF-Dataset="2de5b7bf-3975-458a-b200-07ec69f4e013" ID-ISSN="1175-5326" ID-Zenodo-Dep="272646" ID-ZooBank="849BAB5C-464A-4B4A-A586-5742411EDC01" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1484407904318" checkinUser="plazi" docAuthor="Ng, Peter K. L. & Castro, Peter" docDate="2016" docId="F16BFB33FFBEFFE5FF6AFCF1FD12FE14" docLanguage="en" docName="zootaxa.4209.1.1.pdf.imf" docOrigin="Zootaxa 4209 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Deltopelta Ng & Castro, 2016, n. gen." docType="treatment" docVersion="8" lastPageNumber="31" masterDocId="0D52834BFFA3FFFBFFFDFFD1FFCDFFB9" masterDocTitle="Revision of the family Chasmocarcinidae Serène, 1964 (Crustacea, Brachyura, Goneplacoidea)" masterLastPageNumber="182" masterPageNumber="1" pageNumber="30" updateTime="1698435566492" updateUser="ExternalLinkService">
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<mods:mods id="4FF82CEABCBB1368732BED4E21851F89" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="62D7F2A86B283185A6520A85371F315A">
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<mods:title id="8C666807AE06D45B5D52D25146DE4D6F">Revision of the family Chasmocarcinidae Serène, 1964 (Crustacea, Brachyura, Goneplacoidea)</mods:title>
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<mods:name id="0574DA030E7B5D038BA4AD766149E777" type="personal">
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<mods:role id="0ED2DBEBB4AF2AA1FC35B358BB6460A9">
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<mods:roleTerm id="FDFCD9A1A2E801359B177CA64A2D1EEF">Author</mods:roleTerm>
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<mods:namePart id="368F93607106680BA94B810BEEC3B9EE">Ng, Peter K. L.</mods:namePart>
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<mods:name id="EF4A40CED37ABB97B2939045EC559D5D" type="personal">
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<mods:roleTerm id="CE734F90DFE4C9D59C8E05C2D6C1D796">Author</mods:roleTerm>
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<mods:namePart id="C92EE6CB2CF28725657105C415EA1DB0">Castro, Peter</mods:namePart>
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<mods:typeOfResource id="52063CEFCE09856787D1BE64389B5A23">text</mods:typeOfResource>
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<mods:title id="1CC74CF0DBF7D897ED75B2E6DD171998">Zootaxa</mods:title>
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<mods:part id="75408FD69FF71E3CD1265B614B04FFC4">
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<mods:date id="A9047C0D5955780D61C1F01E749C307B">2016</mods:date>
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<mods:detail id="F9F691EC12004C69BB540183318E2ABD" type="volume">
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<mods:number id="4654064653D2CFF1A58279A8427D2DFE">4209</mods:number>
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<mods:detail id="4557A7BADE472C3DA5F4E5C21F9ED2D4" type="issue">
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<mods:number id="E126BA549789D5CF3931D82C64A03FEF">1</mods:number>
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<mods:identifier id="30A6532853B83BCE7ACA44900DBC02BD" type="DOI">10.11646/zootaxa.4209.1.1</mods:identifier>
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<treatment id="F16BFB33FFBEFFE5FF6AFCF1FD12FE14" ID-DOI="http://doi.org/10.5281/zenodo.5617082" ID-GBIF-Taxon="127419561" ID-Zenodo-Dep="5617082" LSID="urn:lsid:plazi:treatment:F16BFB33FFBEFFE5FF6AFCF1FD12FE14" httpUri="http://treatment.plazi.org/id/F16BFB33FFBEFFE5FF6AFCF1FD12FE14" lastPageId="30" lastPageNumber="31" pageId="29" pageNumber="30">
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<subSubSection id="31D819AEFFBEFFE6FF6AFCF1FE0FFC83" box="[151,450,800,826]" pageId="29" pageNumber="30" type="nomenclature">
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<paragraph id="797D4A25FFBEFFE6FF6AFCF1FE0FFC83" blockId="29.[151,450,800,826]" box="[151,450,800,826]" pageId="29" pageNumber="30">
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<heading id="2235FD49FFBEFFE6FF6AFCF1FE0FFC83" bold="true" box="[151,450,800,826]" fontSize="11" level="1" pageId="29" pageNumber="30" reason="1">
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<emphasis id="4BB69637FFBEFFE6FF6AFCF1FE0FFC83" bold="true" box="[151,450,800,826]" pageId="29" pageNumber="30">
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Genus
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<taxonomicName id="BEC231A6FFBEFFE6FF13FCF1FEA7FC83" ID-CoL="7P89S" box="[238,362,800,826]" class="Malacostraca" family="Chasmocarcinidae" genus="Deltopelta" kingdom="Animalia" order="Decapoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="4BB69637FFBEFFE6FF13FCF1FEA7FC83" bold="true" box="[238,362,800,826]" italics="true" pageId="29" pageNumber="30">Deltopelta</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="50852B4CFFBEFFE6FE8CFCF1FE0FFC83" box="[369,450,800,826]" pageId="29" pageNumber="30" rank="genus">n. gen.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="31D819AEFFBEFFE6FF6AFCB9FDEAFC05" pageId="29" pageNumber="30" type="reference_group">
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<paragraph id="797D4A25FFBEFFE6FF6AFCB9FDEAFC05" blockId="29.[151,1436,871,956]" pageId="29" pageNumber="30">
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<treatmentCitationGroup id="59D26D0BFFBEFFE6FF6AFCB9FDEAFC05" pageId="29" pageNumber="30">
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<taxonomicName id="BEC231A6FFBEFFE6FF6AFCB9FE8DFCC7" ID-CoL="7NSJD" box="[151,320,872,894]" class="Malacostraca" family="Chasmocarcinidae" genus="Chasmocarcinus" kingdom="Animalia" order="Decapoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="genus">
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<emphasis id="4BB69637FFBEFFE6FF6AFCB9FE8DFCC7" box="[151,320,872,894]" italics="true" pageId="29" pageNumber="30">Chasmocarcinus</emphasis>
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</taxonomicName>
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—
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<treatmentCitation id="F8636C34FFBEFFE6FEA1FCB9FDFDFCC7" author="Rathbun" box="[348,560,872,894]" page="286" pageId="29" pageNumber="30" year="1898">
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<bibRefCitation id="1D5337D4FFBEFFE6FEA1FCB9FDCDFCC7" author="Rathbun" box="[348,512,872,894]" pageId="29" pageNumber="30" refString="Rathbun, M. J. (1898 a) The Brachyura of the biological expedition to the Florida Keys and the Bahamas in 1893. Bulletin from the Laboratories of Natural History, State University of Iowa 4 (3), 250 - 294, pls. 1 - 9." type="journal article" year="1898" yearSuffix="a">Rathbun, 1898a</bibRefCitation>
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||
: 286
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||
</treatmentCitation>
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(part); 1918: 54 (part)—
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<treatmentCitation id="F8636C34FFBEFFE6FCD6FCB9FC25FCC7" author="Serene" box="[811,1000,872,894]" page="257" pageId="29" pageNumber="30" year="1964">
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<bibRefCitation id="1D5337D4FFBEFFE6FCD6FCB9FC74FCC7" author="Serene" box="[811,953,872,894]" pageId="29" pageNumber="30" refString="Serene, R. (1964 a) Goneplacidae et Pinnotheridae recoltes par le Dr. Mortensen. Papers from Dr. Th. Mortensen's Pacific Expedition 1914 - 1916, part 80. Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening I KObenhavn, 126, 181 - 282, pls. 16 - 24." type="journal article" year="1964" yearSuffix="a">Serène 1964a</bibRefCitation>
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: 257
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</treatmentCitation>
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(part).—
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<treatmentCitation id="F8636C34FFBEFFE6FBB8FCB9FA81FCC7" author="Blow" box="[1093,1356,872,894]" page="176" pageId="29" pageNumber="30" year="1992">
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||
<bibRefCitation id="1D5337D4FFBEFFE6FBB8FCB9FAD1FCC7" author="Blow" box="[1093,1308,872,894]" pageId="29" pageNumber="30" refString="Blow, W. C. & Bailey, R. H. (1992) Chasmocarcinus robertsi, a new crab species from the Miocene of Virginia, with notes on the genus Falconoplax (Crustacea, Decapoda, Goneplacidae). Tulane Studies in Geology and Paleontology, 25 (4), 175 - 185." type="journal article" year="1992">Blow & Bailey 1992</bibRefCitation>
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: 176
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</treatmentCitation>
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[in list] (part).—Coelho & Coelho 1998: 799 (part).—Ng
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<emphasis id="4BB69637FFBEFFE6FD3CFC58FD39FC27" box="[705,756,904,926]" italics="true" pageId="29" pageNumber="30">et al.</emphasis>
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2008: 76 [in list] (part).—Felder
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<emphasis id="4BB69637FFBEFFE6FBB5FC58FBB8FC27" box="[1096,1141,904,926]" italics="true" pageId="29" pageNumber="30">et al</emphasis>
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. 2009: 1081 [in list] (part).
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<taxonomicName id="BEC231A6FFBEFFE6FF6AFC77FEECFC05" ID-CoL="7PJWS" box="[151,289,934,956]" class="Malacostraca" family="Chasmocarcinidae" genus="Hephthopelta" kingdom="Animalia" order="Decapoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="genus">
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<emphasis id="4BB69637FFBEFFE6FF6AFC77FEECFC05" box="[151,289,934,956]" italics="true" pageId="29" pageNumber="30">Hephthopelta</emphasis>
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</taxonomicName>
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—
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<treatmentCitation id="F8636C34FFBEFFE6FEC6FC76FE2FFC05" author="Boone" box="[315,482,934,956]" page="16" pageId="29" pageNumber="30" year="1927">
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<bibRefCitation id="1D5337D4FFBEFFE6FEC6FC76FE72FC05" author="Boone" box="[315,447,934,956]" pageId="29" pageNumber="30" refString="Boone, L. (1927) Crustacea from tropical East American seas. In: Scientific results of the first oceanographic expedition of the " Pawnee " 1925. Bulletin of the Bingham Oceanographic Collection, 1 (2), 1 - 147." type="journal article" year="1927">Boone, 1927</bibRefCitation>
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: 16
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</treatmentCitation>
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(part).
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</treatmentCitationGroup>
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</paragraph>
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</subSubSection>
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||
<subSubSection id="31D819AEFFBEFFE6FF6AFC38FB4DFBBB" box="[151,1152,1001,1026]" pageId="29" pageNumber="30" type="materials_examined">
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||
<paragraph id="797D4A25FFBEFFE6FF6AFC38FB4DFBBB" blockId="29.[151,1437,1001,2034]" box="[151,1152,1001,1026]" pageId="29" pageNumber="30">
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<emphasis id="4BB69637FFBEFFE6FF6AFC38FEE6FBBB" bold="true" box="[151,299,1001,1026]" pageId="29" pageNumber="30">Type species</emphasis>
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.
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<taxonomicName id="BEC231A6FFBEFFE6FEC4FC38FCCAFBBB" authority="Rathbun, 1898" authorityName="Rathbun" authorityYear="1898" box="[313,775,1001,1026]" class="Malacostraca" family="Chasmocarcinidae" genus="Chasmocarcinus" kingdom="Animalia" order="Decapoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="obliquus">
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<emphasis id="4BB69637FFBEFFE6FEC4FC38FD91FBBB" box="[313,604,1001,1026]" italics="true" pageId="29" pageNumber="30">Chasmocarcinus obliquus</emphasis>
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Rathbun, 1898
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</taxonomicName>
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(by monotypy, gender feminine).
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</paragraph>
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</subSubSection>
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<subSubSection id="31D819AEFFBEFFE6FF3AFBDCFAA0F94F" pageId="29" pageNumber="30" type="diagnosis">
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<paragraph id="797D4A25FFBEFFE6FF3AFBDCFAA0F94F" blockId="29.[151,1437,1001,2034]" pageId="29" pageNumber="30">
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||
<materialsCitation id="C9AA4078FFBEFFE6FF3AFBDCFAA0F94F" ID-GBIF-Occurrence="1424726075" collectingDate="1929-01" county="Third" location="Pterygostomial region" municipality="Eye" pageId="29" pageNumber="30" specimenCount="1" typeStatus="holotype">
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<emphasis id="4BB69637FFBEFFE6FF3AFBDCFEF7FB9F" bold="true" box="[199,314,1037,1062]" pageId="29" pageNumber="30">Diagnosis</emphasis>
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. Carapace (
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<figureCitation id="E1F956A0FFBEFFE6FE42FBDCFDCCFB9F" box="[447,513,1037,1062]" captionStart="FIGURE 5" captionStartId="28.[151,250,1766,1788]" captionTargetBox="[151,1436,193,1745]" captionTargetId="figure@28.[151,1436,193,1745]" captionTargetPageId="28" captionText="FIGURE 5. Overall dorsal view of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015.217); B, Amboplax peresi, Brazil: ovigerous female 4.9 × 6.2 mm (ZRC 2015.217); C, Chasmocarcinus gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); D, Chasmocarcinus latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); E, Deltopelta obliquus, A, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509); F, Deltopelta obliquus, Belize: female 10.7 × 13.0 mm (PMNH, holotype of Hephthopelta superba); G, Deltopelta obliquus, Belize: female 10.7 × 13.0 mm (PMNH, holotype of Hephthopelta superba, after Boone 1927: fig. 5)." httpUri="https://zenodo.org/record/272651/files/figure.png" pageId="29" pageNumber="30">Fig. 5</figureCitation>
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E–G;
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<bibRefCitation id="1D5337D4FFBEFFE6FDB9FBDFFD1DFB9F" author="Boone" box="[580,720,1038,1062]" pageId="29" pageNumber="30" refString="Boone, L. (1927) Crustacea from tropical East American seas. In: Scientific results of the first oceanographic expedition of the " Pawnee " 1925. Bulletin of the Bingham Oceanographic Collection, 1 (2), 1 - 147." type="journal article" year="1927">Boone 1927</bibRefCitation>
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||
: fig. 5, as
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<taxonomicName id="BEC231A6FFBEFFE6FCBFFBDCFBF1FB9F" box="[834,1084,1037,1062]" class="Malacostraca" family="Chasmocarcinidae" genus="Hephthopelta" kingdom="Animalia" order="Decapoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="superba">
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<emphasis id="4BB69637FFBEFFE6FCBFFBDCFBF1FB9F" box="[834,1084,1037,1062]" italics="true" pageId="29" pageNumber="30">Hephthopelta superba</emphasis>
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</taxonomicName>
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) subtriangular, anterior portion much narrower than posterior portion, globose, 1.0‒1.2 wider than long; front bilobed, with well-defined median cleft; anterolateral margins oblique, smooth, without distinct lobes, teeth or granular ridges (
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<figureCitation id="E1F956A0FFBEFFE6FB35FB84FAC0FBD7" box="[1224,1293,1109,1134]" captionStart="FIGURE 5" captionStartId="28.[151,250,1766,1788]" captionTargetBox="[151,1436,193,1745]" captionTargetId="figure@28.[151,1436,193,1745]" captionTargetPageId="28" captionText="FIGURE 5. Overall dorsal view of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015.217); B, Amboplax peresi, Brazil: ovigerous female 4.9 × 6.2 mm (ZRC 2015.217); C, Chasmocarcinus gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); D, Chasmocarcinus latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); E, Deltopelta obliquus, A, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509); F, Deltopelta obliquus, Belize: female 10.7 × 13.0 mm (PMNH, holotype of Hephthopelta superba); G, Deltopelta obliquus, Belize: female 10.7 × 13.0 mm (PMNH, holotype of Hephthopelta superba, after Boone 1927: fig. 5)." httpUri="https://zenodo.org/record/272651/files/figure.png" pageId="29" pageNumber="30">Fig. 5</figureCitation>
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E–G;
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||
<bibRefCitation id="1D5337D4FFBEFFE6FAAEFB87FF1EFB2B" author="Boone" pageId="29" pageNumber="30" refString="Boone, L. (1927) Crustacea from tropical East American seas. In: Scientific results of the first oceanographic expedition of the " Pawnee " 1925. Bulletin of the Bingham Oceanographic Collection, 1 (2), 1 - 147." type="journal article" year="1927">Boone 1927</bibRefCitation>
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||
: fig. 5, as
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<taxonomicName id="BEC231A6FFBEFFE6FE9DFBA8FDACFB2B" box="[352,609,1145,1170]" class="Malacostraca" family="Chasmocarcinidae" genus="Hephthopelta" kingdom="Animalia" order="Decapoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="superba">
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<emphasis id="4BB69637FFBEFFE6FE9DFBA8FDACFB2B" box="[352,609,1145,1170]" italics="true" pageId="29" pageNumber="30">Hephthopelta superba</emphasis>
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</taxonomicName>
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).
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<location id="7C1D1CFEFFBEFFE6FD82FBA8FCB3FB2B" LSID="urn:lsid:plazi:treatment:F16BFB33FFBEFFE5FF6AFCF1FD12FE14:7C1D1CFEFFBEFFE6FD82FBA8FCB3FB2B" box="[639,894,1145,1170]" county="Third" municipality="Eye" name="Pterygostomial region" pageId="29" pageNumber="30">Pterygostomial region</location>
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||
gently convex.
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||
<location id="7C1D1CFEFFBEFFE6FBB8FBA8FB62FB2B" LSID="urn:lsid:plazi:treatment:F16BFB33FFBEFFE5FF6AFCF1FD12FE14:7C1D1CFEFFBEFFE6FBB8FBA8FB62FB2B" box="[1093,1199,1145,1170]" county="Third" municipality="Eye" name="Epistome" pageId="29" pageNumber="30">Epistome</location>
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||
(
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<figureCitation id="E1F956A0FFBEFFE6FB38FBA8FAD0FB2B" box="[1221,1309,1145,1170]" captionStart="FIGURE 22" captionStartId="95.[151,250,1819,1841]" captionTargetBox="[170,1406,193,1794]" captionTargetId="figure@95.[170,1406,193,1794]" captionTargetPageId="95" captionText="FIGURE 22. Frontal view of cephalothorax of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, Chasmocarcinus latipes, Mexico: holotype female 12.4 × 14.4 mm (USNM 21592); B, Chasmocarcinus latipes, Mexico: female 9.2 × 13.0 mm (AMNH 16262, holotype female of Chasmocarcinus ferrugineus Glassell, 1936); C, Chasmocarcinus longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785); D, Chasmocarcinus meloi, Brazil: holotype female 5.3 × 6.2 mm (after Coelho & Coelho 1998: fig. 8 b); E, Chasmocarcinus mississippiensis, Gulf of Mexico: holotype male 8.3 × 10.4 mm (USNM 64074); F, G, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015. 217); H, Deltopelta obliquus, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509)." httpUri="https://zenodo.org/record/272668/files/figure.png" pageId="29" pageNumber="30">Fig. 22</figureCitation>
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H) slightly depressed; short, posterior margin with semicircular median lobe with median fissure, lateral margins straight.
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<collectingMunicipality id="9919D05FFFBEFFE6FA8DFB4FFA51FB0F" box="[1392,1436,1182,1206]" pageId="29" pageNumber="30">Eye</collectingMunicipality>
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||
peduncle (
|
||
<figureCitation id="E1F956A0FFBEFFE6FEF6FB10FE91FB63" box="[267,348,1217,1242]" captionStart="FIGURE 22" captionStartId="95.[151,250,1819,1841]" captionTargetBox="[170,1406,193,1794]" captionTargetId="figure@95.[170,1406,193,1794]" captionTargetPageId="95" captionText="FIGURE 22. Frontal view of cephalothorax of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, Chasmocarcinus latipes, Mexico: holotype female 12.4 × 14.4 mm (USNM 21592); B, Chasmocarcinus latipes, Mexico: female 9.2 × 13.0 mm (AMNH 16262, holotype female of Chasmocarcinus ferrugineus Glassell, 1936); C, Chasmocarcinus longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785); D, Chasmocarcinus meloi, Brazil: holotype female 5.3 × 6.2 mm (after Coelho & Coelho 1998: fig. 8 b); E, Chasmocarcinus mississippiensis, Gulf of Mexico: holotype male 8.3 × 10.4 mm (USNM 64074); F, G, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015. 217); H, Deltopelta obliquus, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509)." httpUri="https://zenodo.org/record/272668/files/figure.png" pageId="29" pageNumber="30">Fig. 22</figureCitation>
|
||
H) nearly filling short orbit, proportionally short, longer than cornea, mobile; cornea not reduced.
|
||
<collectingCounty id="901C32A9FFBEFFE6FF6AFB34FF18FB47" box="[151,213,1253,1278]" pageId="29" pageNumber="30">Third</collectingCounty>
|
||
maxillipeds (
|
||
<figureCitation id="E1F956A0FFBEFFE6FE8FFB34FE08FB47" box="[370,453,1253,1278]" captionStart="FIGURE 29" captionStartId="102.[151,250,1767,1789]" captionTargetBox="[209,1378,193,1745]" captionTargetId="figure@102.[209,1378,193,1745]" captionTargetPageId="102" captionText="FIGURE 29. Third maxilliped of species of Chasmocarcinus and Deltopelta n. gen. A, Chasmocarcinus gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); B, C. hirsutipes, Brazil: holotype male 6.6 × 7.0 mm (after Coelho & Coelho 1998: fig. 6 c); C, Chasmocarcinus latipes, Mexico: holotype female 12.4 × 14.4 mm (USNM 21592); D, Chasmocarcinus latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); E, Chasmocarcinus latipes, Mexico: female 9.2 × 13.0 mm (AMNH 16262, holotype female of Chasmocarcinus ferrugineus Glassell, 1936); F, Chasmocarcinus longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785); G, C. meloi, Brazil: holotype male 5.3 × 6.2 mm (after Coelho & Coelho 1998: fig. 8 c); H, Chasmocarcinus mississippiensis, Gulf of Mexico: male 7.2 × 8.8 mm (USNM 101082); I, Deltopelta obliquus, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509)." httpUri="https://zenodo.org/record/272675/files/figure.png" pageId="29" pageNumber="30">
|
||
Fig.
|
||
<collectingDate id="1D38950DFFBEFFE6FE55FB37FE08FB47" box="[424,453,1254,1278]" pageId="29" pageNumber="30" value="1929-01">
|
||
<date id="0D7C6CE5FFBEFFE6FE55FB37FE08FB47" box="[424,453,1254,1278]" pageId="29" pageNumber="30" value="1929-01">29</date>
|
||
</collectingDate>
|
||
</figureCitation>
|
||
I) not filling buccal cavern when closed, leaving wide gap; merus ovate, outer margin strongly curved, anteroexternal angle rounded, flat; ischium rectangular, longer than merus. Chelipeds (
|
||
<figureCitation id="E1F956A0FFBEFFE6FAD3FAD8FAB6FA9B" box="[1326,1403,1289,1314]" captionStart="FIGURE 5" captionStartId="28.[151,250,1766,1788]" captionTargetBox="[151,1436,193,1745]" captionTargetId="figure@28.[151,1436,193,1745]" captionTargetPageId="28" captionText="FIGURE 5. Overall dorsal view of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015.217); B, Amboplax peresi, Brazil: ovigerous female 4.9 × 6.2 mm (ZRC 2015.217); C, Chasmocarcinus gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); D, Chasmocarcinus latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); E, Deltopelta obliquus, A, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509); F, Deltopelta obliquus, Belize: female 10.7 × 13.0 mm (PMNH, holotype of Hephthopelta superba); G, Deltopelta obliquus, Belize: female 10.7 × 13.0 mm (PMNH, holotype of Hephthopelta superba, after Boone 1927: fig. 5)." httpUri="https://zenodo.org/record/272651/files/figure.png" pageId="29" pageNumber="30">Figs. 5</figureCitation>
|
||
E– G; 37G) subequal in length; fingers proportionally long, much longer than propodus, dactylus slightly curved; pollex as long as dactylus. Major chela of
|
||
<typeStatus id="A679F487FFBEFFE6FD88FA80FD1AFAD3" box="[629,727,1361,1386]" pageId="29" pageNumber="30" type="holotype">holotype</typeStatus>
|
||
male (
|
||
<figureCitation id="E1F956A0FFBEFFE6FCD8FA80FCBBFAD3" box="[805,886,1361,1386]" captionStart="FIGURE 37" captionStartId="110.[151,250,1471,1493]" captionTargetBox="[151,1436,202,1449]" captionTargetId="figure@110.[151,1436,193,1449]" captionTargetPageId="110" captionText="FIGURE 37. Chelae of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, B, Chasmocarcinus meloi, Brazil: holotype male 5.3 × 6.2 mm (after Coelho & Coelho 1998: fig. 9 a, b); C, D, Chasmocarcinus mississippiensis, Gulf of Mexico: holotype male 8.3 × 10.4 mm (USNM 64074); E, F, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015.217); G, Deltopelta obliquus, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509)." httpUri="https://zenodo.org/record/272683/files/figure.png" pageId="29" pageNumber="30">Fig. 37</figureCitation>
|
||
G) with teeth of varying sizes on cutting margin; small teeth in
|
||
<taxonomicName id="BEC231A6FFBEFFE6FECEFAA4FEBBFA37" box="[307,374,1397,1422]" class="Malacostraca" family="Chasmocarcinidae" genus="Camatopsis" kingdom="Animalia" order="Decapoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="minor">minor</taxonomicName>
|
||
chela. Inner margin of cheliped carpus with conspicuous tooth (
|
||
<figureCitation id="E1F956A0FFBEFFE6FBBCFAA4FB4FFA37" box="[1089,1154,1397,1422]" captionStart="FIGURE 5" captionStartId="28.[151,250,1766,1788]" captionTargetBox="[151,1436,193,1745]" captionTargetId="figure@28.[151,1436,193,1745]" captionTargetPageId="28" captionText="FIGURE 5. Overall dorsal view of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015.217); B, Amboplax peresi, Brazil: ovigerous female 4.9 × 6.2 mm (ZRC 2015.217); C, Chasmocarcinus gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); D, Chasmocarcinus latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); E, Deltopelta obliquus, A, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509); F, Deltopelta obliquus, Belize: female 10.7 × 13.0 mm (PMNH, holotype of Hephthopelta superba); G, Deltopelta obliquus, Belize: female 10.7 × 13.0 mm (PMNH, holotype of Hephthopelta superba, after Boone 1927: fig. 5)." httpUri="https://zenodo.org/record/272651/files/figure.png" pageId="29" pageNumber="30">Fig. 5</figureCitation>
|
||
E–G;
|
||
<bibRefCitation id="1D5337D4FFBEFFE6FB39FAA7FA9DFA37" author="Boone" box="[1220,1360,1398,1422]" pageId="29" pageNumber="30" refString="Boone, L. (1927) Crustacea from tropical East American seas. In: Scientific results of the first oceanographic expedition of the " Pawnee " 1925. Bulletin of the Bingham Oceanographic Collection, 1 (2), 1 - 147." type="journal article" year="1927">Boone 1927</bibRefCitation>
|
||
: fig. 5, as
|
||
<taxonomicName id="BEC231A6FFBEFFE6FF4AFA48FE7FFA0B" box="[183,434,1433,1458]" class="Malacostraca" family="Chasmocarcinidae" genus="Hephthopelta" kingdom="Animalia" order="Decapoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="superba">
|
||
<emphasis id="4BB69637FFBEFFE6FF4AFA48FE7FFA0B" box="[183,434,1433,1458]" italics="true" pageId="29" pageNumber="30">Hephthopelta superba</emphasis>
|
||
</taxonomicName>
|
||
). Ventral surface of cheliped merus with teeth. Ambulatory legs (
|
||
<figureCitation id="E1F956A0FFBEFFE6FB5CFA48FB28FA0B" box="[1185,1253,1433,1458]" captionStart="FIGURE 5" captionStartId="28.[151,250,1766,1788]" captionTargetBox="[151,1436,193,1745]" captionTargetId="figure@28.[151,1436,193,1745]" captionTargetPageId="28" captionText="FIGURE 5. Overall dorsal view of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015.217); B, Amboplax peresi, Brazil: ovigerous female 4.9 × 6.2 mm (ZRC 2015.217); C, Chasmocarcinus gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); D, Chasmocarcinus latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); E, Deltopelta obliquus, A, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509); F, Deltopelta obliquus, Belize: female 10.7 × 13.0 mm (PMNH, holotype of Hephthopelta superba); G, Deltopelta obliquus, Belize: female 10.7 × 13.0 mm (PMNH, holotype of Hephthopelta superba, after Boone 1927: fig. 5)." httpUri="https://zenodo.org/record/272651/files/figure.png" pageId="29" pageNumber="30">Fig. 5</figureCitation>
|
||
G;
|
||
<bibRefCitation id="1D5337D4FFBEFFE6FAF7FA4BFA55FA0B" author="Boone" box="[1290,1432,1434,1458]" pageId="29" pageNumber="30" refString="Boone, L. (1927) Crustacea from tropical East American seas. In: Scientific results of the first oceanographic expedition of the " Pawnee " 1925. Bulletin of the Bingham Oceanographic Collection, 1 (2), 1 - 147." type="journal article" year="1927">Boone 1927</bibRefCitation>
|
||
: fig. 5, as
|
||
<taxonomicName id="BEC231A6FFBEFFE6FEFCFA6CFE36FA6F" box="[257,507,1469,1494]" class="Malacostraca" family="Chasmocarcinidae" genus="Hephthopelta" kingdom="Animalia" order="Decapoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="superba">
|
||
<emphasis id="4BB69637FFBEFFE6FEFCFA6CFE36FA6F" box="[257,507,1469,1494]" italics="true" pageId="29" pageNumber="30">Hephthopelta superba</emphasis>
|
||
</taxonomicName>
|
||
) proportionally long. Meri of extant ambulatory legs unarmed. P5 dactylus gently upcurved (
|
||
<figureCitation id="E1F956A0FFBEFFE6FEE8FA30FE90FA43" box="[277,349,1505,1530]" captionStart="FIGURE 5" captionStartId="28.[151,250,1766,1788]" captionTargetBox="[151,1436,193,1745]" captionTargetId="figure@28.[151,1436,193,1745]" captionTargetPageId="28" captionText="FIGURE 5. Overall dorsal view of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015.217); B, Amboplax peresi, Brazil: ovigerous female 4.9 × 6.2 mm (ZRC 2015.217); C, Chasmocarcinus gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); D, Chasmocarcinus latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); E, Deltopelta obliquus, A, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509); F, Deltopelta obliquus, Belize: female 10.7 × 13.0 mm (PMNH, holotype of Hephthopelta superba); G, Deltopelta obliquus, Belize: female 10.7 × 13.0 mm (PMNH, holotype of Hephthopelta superba, after Boone 1927: fig. 5)." httpUri="https://zenodo.org/record/272651/files/figure.png" pageId="29" pageNumber="30">Fig. 5</figureCitation>
|
||
G;
|
||
<bibRefCitation id="1D5337D4FFBEFFE6FE7BFA33FDD4FA43" author="Boone" box="[390,537,1506,1530]" pageId="29" pageNumber="30" refString="Boone, L. (1927) Crustacea from tropical East American seas. In: Scientific results of the first oceanographic expedition of the " Pawnee " 1925. Bulletin of the Bingham Oceanographic Collection, 1 (2), 1 - 147." type="journal article" year="1927">Boone 1927</bibRefCitation>
|
||
: fig. 5, as
|
||
<taxonomicName id="BEC231A6FFBEFFE6FD5EFA30FC6EFA43" box="[675,931,1505,1530]" class="Malacostraca" family="Chasmocarcinidae" genus="Hephthopelta" kingdom="Animalia" order="Decapoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="superba">
|
||
<emphasis id="4BB69637FFBEFFE6FD5EFA30FC6EFA43" box="[675,931,1505,1530]" italics="true" pageId="29" pageNumber="30">Hephthopelta superba</emphasis>
|
||
</taxonomicName>
|
||
). Fused thoracic sternites 1, 2 (
|
||
<figureCitation id="E1F956A0FFBEFFE6FAD5FA30FAB2FA43" box="[1320,1407,1505,1530]" captionStart="FIGURE 50" captionStartId="123.[151,250,1748,1770]" captionTargetBox="[151,1436,193,1726]" captionTargetId="figure@123.[151,1436,193,1726]" captionTargetPageId="123" captionText="FIGURE 50. Anterior thoracic sternum and male pleon of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, C, Chasmocarcinus latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); B, Chasmocarcinus longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785); D, Chasmocarcinus latipes, D, Mexico: male 8.3 × 11.0 mm (SIO C 319); E, Chasmocarcinus meloi, Brazil: holotype male 5.3 × 6.2 mm (after Coelho & Coelho 1998: fig. 9 d); F, Chasmocarcinus mississippiensis, Gulf of Mexico: male 7.2 × 8.8 mm (USNM 101082); G, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015. 217); H, Deltopelta obliquus, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509)." httpUri="https://zenodo.org/record/272696/files/figure.png" pageId="29" pageNumber="30">Fig. 50</figureCitation>
|
||
H) triangular, long; fused thoracic sternites 3, 4 (
|
||
<figureCitation id="E1F956A0FFBEFFE6FD65F9D4FD3BF9A7" box="[664,758,1541,1566]" captionStart="FIGURE 50" captionStartId="123.[151,250,1748,1770]" captionTargetBox="[151,1436,193,1726]" captionTargetId="figure@123.[151,1436,193,1726]" captionTargetPageId="123" captionText="FIGURE 50. Anterior thoracic sternum and male pleon of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, C, Chasmocarcinus latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); B, Chasmocarcinus longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785); D, Chasmocarcinus latipes, D, Mexico: male 8.3 × 11.0 mm (SIO C 319); E, Chasmocarcinus meloi, Brazil: holotype male 5.3 × 6.2 mm (after Coelho & Coelho 1998: fig. 9 d); F, Chasmocarcinus mississippiensis, Gulf of Mexico: male 7.2 × 8.8 mm (USNM 101082); G, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015. 217); H, Deltopelta obliquus, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509)." httpUri="https://zenodo.org/record/272696/files/figure.png" pageId="29" pageNumber="30">Figs. 50</figureCitation>
|
||
H; 89J) relatively narrow. Male pleon (
|
||
<figureCitation id="E1F956A0FFBEFFE6FB50F9D4FAC7F9A7" box="[1197,1290,1541,1566]" captionStart="FIGURE 50" captionStartId="123.[151,250,1748,1770]" captionTargetBox="[151,1436,193,1726]" captionTargetId="figure@123.[151,1436,193,1726]" captionTargetPageId="123" captionText="FIGURE 50. Anterior thoracic sternum and male pleon of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, C, Chasmocarcinus latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); B, Chasmocarcinus longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785); D, Chasmocarcinus latipes, D, Mexico: male 8.3 × 11.0 mm (SIO C 319); E, Chasmocarcinus meloi, Brazil: holotype male 5.3 × 6.2 mm (after Coelho & Coelho 1998: fig. 9 d); F, Chasmocarcinus mississippiensis, Gulf of Mexico: male 7.2 × 8.8 mm (USNM 101082); G, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015. 217); H, Deltopelta obliquus, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509)." httpUri="https://zenodo.org/record/272696/files/figure.png" pageId="29" pageNumber="30">Figs. 50</figureCitation>
|
||
H, 57E) with quadrate somite 6, outer margins of fused somites 3–5 straight; telson proportionally short, narrow; postero-lateral regions flat as in rest of somite. Sterno-pleonal cavity deep, press-button for pleonal holding as small, short tubercle posterior to thoracic sternal suture 4/5 near edge of sterno-pleonal cavity. Male thoracic sternite 8 (
|
||
<figureCitation id="E1F956A0FFBEFFE6FA92F9A0FF7EF917" captionStart="FIGURE 57" captionStartId="130.[151,250,1225,1247]" captionTargetBox="[151,1436,301,1204]" captionTargetId="figure@130.[151,1436,301,1204]" captionTargetPageId="130" captionText="FIGURE 57. Thoracic sternites 7 and 8 and male pleon of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, Chasmocarcinus latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); B, Chasmocarcinus longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785); C, Chasmocarcinus mississippiensis, Gulf of Mexico: holotype male 8.3 × 10.4 mm (USNM 64074); D, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015. 217); E, Deltopelta obliquus, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509)." httpUri="https://zenodo.org/record/272703/files/figure.png" pageId="29" pageNumber="30">Fig. 57</figureCitation>
|
||
E) short, quadrate; “supplementary plate” subtriangular, proportionally long at exterior margin, wider along margin bordering episternite 7; structures tightly appressed with most of penis concealed. G1, G2 of adult male unknown. Sterno-pleonal cavity of female (
|
||
<figureCitation id="E1F956A0FFBEFFE6FD83F90CFD02F94F" box="[638,719,1757,1782]" captionStart="FIGURE 89" captionStartId="162.[151,250,1784,1806]" captionTargetBox="[234,1352,221,1751]" captionTargetId="figure@162.[234,1352,221,1751]" captionTargetPageId="162" captionText="FIGURE 89. Vulvae of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, Chasmocarcinus typicus, Trinidad: paratype female 6.5 × 6.8 mm (USNM 6901); B, Chasmocarcinus arcuatus, Brazil: female 4.4 × 6.2 mm (ZRC 2015.222); C, Chasmocarcinus chacei, Gulf of Mexico: female 7.8 × 9.5 mm (USNM 61489); D, Chasmocarcinus cylindricus, Puerto Rico: female 6.9 × 9.2 mm (USNM 24551); E, Chasmocarcinus latipes, Mexico: holotype female 12.4 × 14.4 mm (USNM 21592); F, C. latipes, Mexico: female 9.2 × 13.0 mm (AMNH 16262, holotype female of Chasmocarcinus ferrugineus Glassell, 1936); G, Chasmocarcinus longipes, Colombia: paratype female 5.6 × 6.8 mm (USNM 78785); H, Chasmocarcinus mississippiensis, Gulf of Mexico: female 9.6 × 12.4 mm (USNM 150090); I, Amboplax peresi, Brazil: ovigerous female 4.9 × 6.2 mm (ZRC 2015. 217); J, Deltopelta obliquus, Belize: female 10.7 × 13.0 mm (PMNH, holotype of Hephthopelta superba)." httpUri="https://zenodo.org/record/272735/files/figure.png" pageId="29" pageNumber="30">Fig. 89</figureCitation>
|
||
J) moderately shallow, vulvae conspicuously close together.
|
||
</materialsCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="31D819AEFFBEFFE6FF3AF8D0FD56F8DB" pageId="29" pageNumber="30" type="etymology">
|
||
<paragraph id="797D4A25FFBEFFE6FF3AF8D0FD56F8DB" blockId="29.[151,1437,1001,2034]" pageId="29" pageNumber="30">
|
||
<emphasis id="4BB69637FFBEFFE6FF3AF8D0FE8BF8A3" bold="true" box="[199,326,1793,1818]" pageId="29" pageNumber="30">Etymology</emphasis>
|
||
. From
|
||
<emphasis id="4BB69637FFBEFFE6FE65F8D0FE1DF8A3" box="[408,464,1793,1818]" italics="true" pageId="29" pageNumber="30">delta</emphasis>
|
||
, the Greek capital letter (Δ), which is shaped like a triangle, alluding for the triangular shape of the carapace, and
|
||
<emphasis id="4BB69637FFBEFFE6FE3AF8F4FE32F887" box="[455,511,1829,1854]" italics="true" pageId="29" pageNumber="30">pelta</emphasis>
|
||
, which is derived from the generic name
|
||
<taxonomicName id="BEC231A6FFBEFFE6FC2BF8F4FBA3F887" box="[982,1134,1829,1854]" class="Malacostraca" family="Chasmocarcinidae" genus="Hephthopelta" kingdom="Animalia" order="Decapoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="4BB69637FFBEFFE6FC2BF8F4FBA3F887" box="[982,1134,1829,1854]" italics="true" pageId="29" pageNumber="30">Hephthopelta</emphasis>
|
||
</taxonomicName>
|
||
, the original generic name of the only species included in the new genus.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="31D819AEFFBEFFE5FF3AF8BCFE7FFE31" lastPageId="30" lastPageNumber="31" pageId="29" pageNumber="30" type="discussion">
|
||
<paragraph id="797D4A25FFBEFFE5FF3AF8BCFBDAFF6C" blockId="29.[151,1437,1001,2034]" lastBlockId="30.[151,1437,151,429]" lastPageId="30" lastPageNumber="31" pageId="29" pageNumber="30">
|
||
<emphasis id="4BB69637FFBEFFE6FF3AF8BCFEF9F83F" bold="true" box="[199,308,1901,1926]" pageId="29" pageNumber="30">Remarks</emphasis>
|
||
. The subtriangular shape of the carapace is unique among chasmocarcinids and sharply contrasts with the subtrapezoidal carapace of other members of the family. Other important differences are a male pleon which is proportionately more narrower, with nearly straight sides of the fused somites 3‒5 (
|
||
<figureCitation id="E1F956A0FFBEFFE6FB34F864FAD3F877" box="[1225,1310,1973,1998]" captionStart="FIGURE 57" captionStartId="130.[151,250,1225,1247]" captionTargetBox="[151,1436,301,1204]" captionTargetId="figure@130.[151,1436,301,1204]" captionTargetPageId="130" captionText="FIGURE 57. Thoracic sternites 7 and 8 and male pleon of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, Chasmocarcinus latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); B, Chasmocarcinus longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785); C, Chasmocarcinus mississippiensis, Gulf of Mexico: holotype male 8.3 × 10.4 mm (USNM 64074); D, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015. 217); E, Deltopelta obliquus, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509)." httpUri="https://zenodo.org/record/272703/files/figure.png" pageId="29" pageNumber="30">Fig. 57</figureCitation>
|
||
E), and the posterior portion not conspicuously wider than the anterior portion, or T-shaped as in other genera; the presence of teeth along the ventral surface of each cheliped merus (smooth in other genera); and a complete, non-reduced cornea, which is reduced to varying degrees in the remaining chasmocarcinines.
|
||
</paragraph>
|
||
<paragraph id="797D4A25FFBDFFE5FF3AFF0EFE7FFE31" blockId="30.[151,1437,151,429]" pageId="30" pageNumber="31">
|
||
The chela of
|
||
<taxonomicName id="BEC231A6FFBDFFE5FEA3FF30FE1AFF41" box="[350,471,223,248]" class="Malacostraca" family="Chasmocarcinidae" genus="Deltopelta" kingdom="Animalia" order="Decapoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="obliqua">
|
||
<emphasis id="4BB69637FFBDFFE5FEA3FF30FE1AFF41" box="[350,471,223,248]" italics="true" pageId="30" pageNumber="31">D. obliqua</emphasis>
|
||
</taxonomicName>
|
||
is relatively delicate but of particular interest because the base of the dactylar finger has a stout and gently curved tooth that fits into a concavity at the base of the pollex when closed (
|
||
<figureCitation id="E1F956A0FFBDFFE5FB13FED5FA8CFEA5" box="[1262,1345,260,285]" captionStart="FIGURE 37" captionStartId="110.[151,250,1471,1493]" captionTargetBox="[151,1436,202,1449]" captionTargetId="figure@110.[151,1436,193,1449]" captionTargetPageId="110" captionText="FIGURE 37. Chelae of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, B, Chasmocarcinus meloi, Brazil: holotype male 5.3 × 6.2 mm (after Coelho & Coelho 1998: fig. 9 a, b); C, D, Chasmocarcinus mississippiensis, Gulf of Mexico: holotype male 8.3 × 10.4 mm (USNM 64074); E, F, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015.217); G, Deltopelta obliquus, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509)." httpUri="https://zenodo.org/record/272683/files/figure.png" pageId="30" pageNumber="31">Fig. 37</figureCitation>
|
||
G). This is not unlike the condition seen in many species of
|
||
<taxonomicName id="BEC231A6FFBDFFE5FD25FEF6FC9BFEF9" box="[728,854,295,320]" class="Malacostraca" family="Calappidae" kingdom="Animalia" order="Decapoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="family">Calappidae</taxonomicName>
|
||
and some
|
||
<taxonomicName id="BEC231A6FFBDFFE5FC2CFEF6FB80FEF9" box="[977,1101,295,320]" class="Malacostraca" family="Portunidae" kingdom="Animalia" order="Decapoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="family">Portunidae</taxonomicName>
|
||
, and is probably used to open small gastropods (see Ng &
|
||
<bibRefCitation id="1D5337D4FFBDFFE5FE05FE9CFDA6FEDD" author="Tan" box="[504,619,332,356]" pageId="30" pageNumber="31" refString="Ng, P. K. L. & Tan, L. W. H. (1984) The`shell peeling' structure of the box crab Calappa philargius (L.) and other crabs in relation to mollusc shell architecture. Journal of the Singapore National Academy of Science, 13, 195 - 199." type="journal article" year="1984">Tan 1984</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="1D5337D4FFBDFFE5FD80FE9DFD74FEDC" author="Tan" box="[637,697,332,357]" pageId="30" pageNumber="31" refString="Ng, P. K. L. & Tan, L. W. H. (1985)`Right Handedness' in heterochelous calappoid and xanthoid crabs suggestion for a functional advantage. Crustaceana, 49, 98 - 100." type="journal article" year="1985">1985</bibRefCitation>
|
||
). Such a “shell-peeling” structure is not known in any other
|
||
<taxonomicName id="BEC231A6FFBDFFE5FF6AFEBEFE9EFE31" box="[151,339,367,392]" class="Malacostraca" family="Chasmocarcinidae" genus="Chasmocarcinus" kingdom="Animalia" order="Decapoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="4BB69637FFBDFFE5FF6AFEBEFE9EFE31" box="[151,339,367,392]" italics="true" pageId="30" pageNumber="31">Chasmocarcinus</emphasis>
|
||
</taxonomicName>
|
||
species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="31D819AEFFBDFFE5FF3AFE45FD12FE14" box="[199,735,404,429]" pageId="30" pageNumber="31" type="distribution">
|
||
<paragraph id="797D4A25FFBDFFE5FF3AFE45FD12FE14" blockId="30.[151,1437,151,429]" box="[199,735,404,429]" pageId="30" pageNumber="31">
|
||
<emphasis id="4BB69637FFBDFFE5FF3AFE45FE94FE14" bold="true" box="[199,345,404,429]" pageId="30" pageNumber="31">Distribution</emphasis>
|
||
. Tropical
|
||
<collectingRegion id="BB0684C7FFBDFFE5FE31FE44FDEAFE15" box="[460,551,405,428]" country="Solomon Islands" name="Western" pageId="30" pageNumber="31">Western</collectingRegion>
|
||
Atlantic region.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |