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<document id="00B8690B31EB20048469CF5AD082FF5F" ID-DOI="10.5281/zenodo.199403" ID-GBIF-Dataset="78e60046-26ff-4482-a1a7-924b76a8fc2d" ID-ISSN="1175-5326" ID-Zenodo-Dep="199403" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460335535356" checkinUser="plazi" docAuthor="Jr, Robert Murray Lasley, Mendoza, Jose Christopher E. &amp; Ng, Peter K. L." docDate="2010" docId="03B987ECFFEF3D2C70CBCC13FD3B2BFE" docLanguage="en" docName="zt02684p013.pdf" docOrigin="Zootaxa 2684" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Guitonia Garth &amp; Iliffe 1992" docType="treatment" docVersion="8" lastPageNumber="3" masterDocId="FF80FF94FFEF3D2E705CCB4EFFA22E0C" masterDocTitle="Two new species of Guitonia Garth &amp; Iliffe, 1992 (Crustacea: Decapoda: Brachyura: Xanthidae) from the central and western Pacific Ocean" masterLastPageNumber="13" masterPageNumber="1" pageNumber="1" updateTime="1698259701857" updateUser="plazi">
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<mods:title id="56546A2E729C447414DDAD672D4E35C3">Two new species of Guitonia Garth &amp; Iliffe, 1992 (Crustacea: Decapoda: Brachyura: Xanthidae) from the central and western Pacific Ocean</mods:title>
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<mods:namePart id="9D081CE7A6987ADC23319B6B8096AA02">Jr, Robert Murray Lasley</mods:namePart>
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<mods:namePart id="778FEFD8DFF3C714F65F176D9DC8DE8E">Mendoza, Jose Christopher E.</mods:namePart>
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<treatment id="03B987ECFFEF3D2C70CBCC13FD3B2BFE" ID-DOI="http://doi.org/10.5281/zenodo.6209907" ID-GBIF-Taxon="119405242" ID-Zenodo-Dep="6209907" LSID="urn:lsid:plazi:treatment:03B987ECFFEF3D2C70CBCC13FD3B2BFE" httpUri="http://treatment.plazi.org/id/03B987ECFFEF3D2C70CBCC13FD3B2BFE" lastPageId="2" lastPageNumber="3" pageId="0" pageNumber="1">
<subSubSection id="C30A6571FFEF3D2E70CBCC13FDA0297A" box="[151,514,1884,1911]" pageId="0" pageNumber="1" type="nomenclature">
<paragraph id="8BAF36FAFFEF3D2E70CBCC13FDA0297A" blockId="0.[151,514,1884,1911]" box="[151,514,1884,1911]" pageId="0" pageNumber="1">
<heading id="D0E78196FFEF3D2E70CBCC13FDA0297A" bold="true" box="[151,514,1884,1911]" fontSize="11" level="1" pageId="0" pageNumber="1" reason="1">
<taxonomicName id="4C104D79FFEF3D2E70CBCC13FDA0297A" ID-CoL="7PHQF" authority="Garth &amp; Iliffe, 1992" authorityName="Garth &amp; Iliffe" authorityYear="1992" box="[151,514,1884,1911]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEF3D2E70CBCC13FDA0297A" bold="true" box="[151,514,1884,1911]" pageId="0" pageNumber="1">
<emphasis id="B964EAE8FFEF3D2E70CBCC13FEA1297B" bold="true" box="[151,259,1885,1911]" italics="true" pageId="0" pageNumber="1">Guitonia</emphasis>
<bibRefCitation id="EF814B0BFFEF3D2E7156CC12FDA0297A" author="Garth" box="[266,514,1884,1910]" pageId="0" pageNumber="1" refString="Garth, J. S. &amp; Iliffe, T. M. (1992) Guitonia troglophila, a new genus and species of anchialine crab from the Galapagos, Isla Santa Cruz, Grieta de Caleta la Torta (Crustacea: Decapoda: Brachyura). Proceedings of the Biological Society of Washington, 105 (2), 310 - 316." type="journal article" year="1992">Garth &amp; Iliffe, 1992</bibRefCitation>
</emphasis>
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<subSubSection id="C30A6571FFEF3D2E70CBCCEAFB1329B0" box="[151,1201,1956,1980]" pageId="0" pageNumber="1" type="materials_examined">
<paragraph id="8BAF36FAFFEF3D2E70CBCCEAFB1329B0" blockId="0.[151,1201,1956,1980]" box="[151,1201,1956,1980]" pageId="0" pageNumber="1">
<emphasis id="B964EAE8FFEF3D2E70CBCCEAFE8129B0" bold="true" box="[151,291,1956,1980]" pageId="0" pageNumber="1">
<typeStatus id="54AB8858FFEF3D2E70CBCCEAFF6D29B0" box="[151,207,1956,1980]" pageId="0" pageNumber="1">Type</typeStatus>
species
</emphasis>
.
<taxonomicName id="4C104D79FFEF3D2E716DCCEBFD4F29B0" authority="Garth &amp; Iliffe, 1992" authorityName="Garth &amp; Iliffe" authorityYear="1992" box="[305,749,1957,1980]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="troglophila">
<emphasis id="B964EAE8FFEF3D2E716DCCEBFDAF29B0" box="[305,525,1957,1980]" italics="true" pageId="0" pageNumber="1">Guitonia troglophila</emphasis>
<bibRefCitation id="EF814B0BFFEF3D2E7248CCEBFD4F29B0" author="Garth" box="[532,749,1957,1980]" pageId="0" pageNumber="1" refString="Garth, J. S. &amp; Iliffe, T. M. (1992) Guitonia troglophila, a new genus and species of anchialine crab from the Galapagos, Isla Santa Cruz, Grieta de Caleta la Torta (Crustacea: Decapoda: Brachyura). Proceedings of the Biological Society of Washington, 105 (2), 310 - 316." type="journal article" year="1992">Garth &amp; Iliffe, 1992</bibRefCitation>
</taxonomicName>
, by original designation; gender feminine.
</paragraph>
</subSubSection>
<subSubSection id="C30A6571FFEE3D2F70CBCBD9FB782CB0" pageId="1" pageNumber="2" type="diagnosis">
<paragraph id="8BAF36FAFFEE3D2F70CBCBD9FB782CB0" blockId="1.[151,1437,151,2007]" pageId="1" pageNumber="2">
<emphasis id="B964EAE8FFEE3D2F70CBCBD9FEB82EBD" bold="true" box="[151,282,151,177]" pageId="1" pageNumber="2">Diagnosis.</emphasis>
Carapace broader than long, transversely ovate. Anterior regions granular; 2M, 3M defined by deep depressions. Front with 3 distinct recessed pits; one median, one on either side, separating front from orbital margin. Margin between orbit, first anterolateral tooth indiscernible or poorly defined by granular ridge. Anterolateral margins with 4 distinct teeth separated by marginal denticles, each with tip pointing anteriorly. Endostome without oblique ridges. Chelipeds unequal to subequal, tips of fingers crossing. Propodus of major chela with longitudinal furrow on upper margin; fixed fingers often with larger basal teeth, denticles along margin to tip; dactylus usually with 3 basal teeth, first may be enlarged. Ambulatory legs long, slender, combined length of carpus, propodus about same length as merus. Surface of thoracic sternum granular, sternites 1, 2 fused, forming triangular plate, suture between sternites 1, 2 indiscernible, suture between sternites 2, 3 distinct, suture between sternites 3, 4 deep laterally, only slightly indicated medially, sternite 4 with median longitudinal line, sternal press-button on sternite 5 midway between anterior, posterior sutures, or slightly nearer anterior.
<collectingCountry id="F307766AFFEE3D2F726CC97CFDCE2C40" box="[560,620,562,588]" name="Malta" pageId="1" pageNumber="2">Male</collectingCountry>
abdominal cavity deep, telson reaching or almost reaching imaginary line joining posterior edge of cheliped coxae.
<collectingCountry id="F307766AFFEE3D2F729DC916FD5C2C7E" box="[705,766,600,626]" name="Malta" pageId="1" pageNumber="2">Male</collectingCountry>
abdomen with 5 somites, including telson, somites 3–5 completely fused, telson subtriangular. G1 moderately stout, distal half twisted on vertical axis, tip recurved, ornamented with several stiff, simple subapical setae. G2 short, about one-third length of G1.
</paragraph>
</subSubSection>
<subSubSection id="C30A6571FFEE3D2F709AC989FD0E286E" pageId="1" pageNumber="2" type="discussion">
<paragraph id="8BAF36FAFFEE3D2F709AC989FD0E286E" blockId="1.[151,1437,151,2007]" pageId="1" pageNumber="2">
<emphasis id="B964EAE8FFEE3D2F709AC989FEE22CED" bold="true" box="[198,320,711,737]" pageId="1" pageNumber="2">Remarks.</emphasis>
The subfamilial placement of
<taxonomicName id="4C104D79FFEE3D2F72F5C986FBAA2CEE" authority="Garth &amp; Iliffe, 1992" authorityName="Garth &amp; Iliffe" authorityYear="1992" box="[681,1032,712,738]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F72F5C986FCB32CED" box="[681,785,712,737]" italics="true" pageId="1" pageNumber="2">Guitonia</emphasis>
<bibRefCitation id="EF814B0BFFEE3D2F7345C986FBAA2CEE" author="Garth" box="[793,1032,712,738]" pageId="1" pageNumber="2" refString="Garth, J. S. &amp; Iliffe, T. M. (1992) Guitonia troglophila, a new genus and species of anchialine crab from the Galapagos, Isla Santa Cruz, Grieta de Caleta la Torta (Crustacea: Decapoda: Brachyura). Proceedings of the Biological Society of Washington, 105 (2), 310 - 316." type="journal article" year="1992">Garth &amp; Iliffe, 1992</bibRefCitation>
</taxonomicName>
, is not clear. Ng
<emphasis id="B964EAE8FFEE3D2F7493C986FAA82CED" box="[1231,1290,712,737]" italics="true" pageId="1" pageNumber="2">et al.</emphasis>
(2008: 193) surmised that, based on current knowledge, the only significant difference between
<taxonomicName id="4C104D79FFEE3D2F74BDC9A3FAC72D0B" box="[1249,1381,749,775]" class="Malacostraca" family="Xanthidae" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="subFamily" subFamily="Xanthinae">Xanthinae</taxonomicName>
and
<taxonomicName id="4C104D79FFEE3D2F70CBC85CFE882D20" box="[151,298,786,812]" class="Malacostraca" family="Xanthidae" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="subFamily" subFamily="Euxanthinae">Euxanthinae</taxonomicName>
is that the “first anterolateral tooth (in
<taxonomicName id="4C104D79FFEE3D2F72A4C85CFC2E2D20" box="[760,908,786,812]" class="Malacostraca" family="Xanthidae" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="subFamily" subFamily="Euxanthinae">Euxanthinae</taxonomicName>
) is separated from the exorbital margin such that the anterolateral margin is continued towards the anterior buccal cavity.” The general xanthine condition is observed in
<taxonomicName id="4C104D79FFEE3D2F7163C813FE052D7A" box="[319,423,861,886]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F7163C813FE052D7A" box="[319,423,861,886]" italics="true" pageId="1" pageNumber="2">Guitonia</emphasis>
</taxonomicName>
(
<figureCitation id="132B2A7FFFEE3D2F71EAC813FE5A2D7B" box="[438,504,861,887]" captionStart="FIGURE 1" captionStartId="4.[151,255,1576,1600]" captionTargetBox="[151,1436,271,1551]" captionTargetId="figure@4.[151,1436,271,1552]" captionTargetPageId="4" captionText="FIGURE 1. Guitonia leimomi n. sp., holotype male, 15.5 × 9.7 mm (ZRC 2010.0277), Hawaiian Is., A, dorsal view, B, frontal view; Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 mm (ZRC 2010.0278), Guam, C, dorsal view, D, frontal view; Guitonia troglophila Garth &amp; Iliffe, 1992, holotype female, 14.2 × 9.7 mm (LACM CR 19871671), Galápagos, E, dorsal view, F, frontal view." httpUri="https://zenodo.org/record/199404/files/figure.png" pageId="1" pageNumber="2">Fig. 1</figureCitation>
B, D, F). However, the condition is not easily discernible in
<taxonomicName id="4C104D79FFEE3D2F74E9C813FF752D90" authority="Davie, 1993" authorityName="Davie" authorityYear="1993" class="Malacostraca" family="Xanthidae" genus="Alainodaeus" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F74E9C813FAEA2D7A" box="[1205,1352,861,886]" italics="true" pageId="1" pageNumber="2">Alainodaeus</emphasis>
<bibRefCitation id="EF814B0BFFEE3D2F7512C813FF752D90" author="Davie" pageId="1" pageNumber="2" refString="Davie, P. J. F. (1993) Deepwater xanthid crabs from French Polynesia (Crustacea. Decapoda, Xanthoidea). Bulletin du Museum national d'Histoire naturelle (Paris), (4) 14 (A 2), 501 - 561." type="journal article" year="1993">Davie, 1993</bibRefCitation>
</taxonomicName>
, and
<taxonomicName id="4C104D79FFEE3D2F7145C8CCFDF72D90" authority="Guinot, 1967" authorityName="Guinot" authorityYear="1967" box="[281,597,898,924]" class="Malacostraca" family="Xanthidae" genus="Monodaeus" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F7145C8CCFE052D97" box="[281,423,898,923]" italics="true" pageId="1" pageNumber="2">Monodaeus</emphasis>
<bibRefCitation id="EF814B0BFFEE3D2F71ECC8CCFDF72D90" author="Guinot" box="[432,597,898,924]" pageId="1" pageNumber="2" refString="Guinot, D. (1967) Recherches preliminaires sur les groupements naturels chez les Crustaces Decapodes Brachyoures. II. Les anciens genres Micropanope Stimpson et Medaeus Dana. Bulletin du Museum national d'Histoire naturelle (Paris), ser. 2, 39 (2), 345 - 374." type="journal article" year="1967">Guinot, 1967</bibRefCitation>
</taxonomicName>
, genera morphologically similar to
<taxonomicName id="4C104D79FFEE3D2F7453C8CCFBDE2D97" box="[1039,1148,898,923]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F7453C8CCFBDE2D97" box="[1039,1148,898,923]" italics="true" pageId="1" pageNumber="2">Guitonia</emphasis>
</taxonomicName>
but currently placed in
<taxonomicName id="4C104D79FFEE3D2F70CBC8E6FE8F2DCE" box="[151,301,936,962]" class="Malacostraca" family="Xanthidae" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="subFamily" subFamily="Euxanthinae">Euxanthinae</taxonomicName>
. Ng
<emphasis id="B964EAE8FFEE3D2F713FC8E6FE3C2DCD" box="[355,414,936,961]" italics="true" pageId="1" pageNumber="2">et al.</emphasis>
(2008: 193) also mentioned that a strongly differentiated basal tooth on the dactylus of the major chela is common in many euxanthine genera and that this character might be phylogenetically informative in differentiating between the two subfamilies. They listed several genera in which this character occurs. Many euxanthines, however, do not have this character, e.g.
<taxonomicName id="4C104D79FFEE3D2F73B8CF56FB5C2A3E" authority="Dana, 1851" authorityName="Dana" authorityYear="1851" box="[996,1278,1048,1074]" class="Malacostraca" family="Xanthidae" genus="Euxanthus" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F73B8CF56FBC72A3D" box="[996,1125,1048,1073]" italics="true" pageId="1" pageNumber="2">Euxanthus</emphasis>
<bibRefCitation id="EF814B0BFFEE3D2F7431CF56FB5C2A3E" author="Dana" box="[1133,1278,1048,1074]" pageId="1" pageNumber="2" refString="Dana, J. D. (1851) On the classification of the Cancroidea. American Journal of Science and Arts, 12 (34), 121 - 131." type="journal article" year="1851">Dana, 1851</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C104D79FFEE3D2F7557CF56FEEB2A5B" authority="Rathbun, 1897" authorityName="Rathbun" authorityYear="1897" class="Malacostraca" family="Xanthidae" genus="Hypocolpus" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F7557CF56FA3F2A3D" box="[1291,1437,1048,1073]" italics="true" pageId="1" pageNumber="2">Hypocolpus</emphasis>
<bibRefCitation id="EF814B0BFFEE3D2F70CBCF73FEEB2A5B" author="Rathbun" box="[151,329,1085,1111]" pageId="1" pageNumber="2" refString="Rathbun, M. J. (1897) A revision of the nomenclature of the Brachyura. Proceedings of the Biological Society of Washington, 11, 153 - 167." type="journal article" year="1897">Rathbun, 1897</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C104D79FFEE3D2F710ACF73FD3A2A5B" authority="Serene, 1984" authorityName="Serene" authorityYear="1984" box="[342,664,1085,1111]" class="Malacostraca" family="Xanthidae" genus="Hepatoporus" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F710ACF73FE532A5A" box="[342,497,1085,1110]" italics="true" pageId="1" pageNumber="2">Hepatoporus</emphasis>
<bibRefCitation id="EF814B0BFFEE3D2F71A5CF73FD3A2A5B" author="Serene" box="[505,664,1085,1111]" pageId="1" pageNumber="2" refString="Serene, R. (1984) Crustaces Decapodes Brachyoures de l'ocean Indien occidental et de la mer Rouge. Xanthoidea: Xanthidae et Trapeziidae. Avec un addendum par A. Crosnier: Carpiliidae et Menippidae. Faune Tropicale, 24, 1 - 400, pls. 1 - 48." type="journal article" year="1984">Serène, 1984</bibRefCitation>
</taxonomicName>
, and
<taxonomicName id="4C104D79FFEE3D2F7284CF73FB182A5B" authority="A. Milne-Edwards, 1879" authorityName="A. Milne-Edwards" authorityYear="1879" box="[728,1210,1085,1111]" class="Malacostraca" family="Xanthidae" genus="Glyptoxanthus" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F7284CF73FC272A5A" box="[728,901,1085,1110]" italics="true" pageId="1" pageNumber="2">Glyptoxanthus</emphasis>
<bibRefCitation id="EF814B0BFFEE3D2F73D1CF73FB182A5B" author="Milne-Edwards" box="[909,1210,1085,1111]" pageId="1" pageNumber="2" refString="Milne-Edwards, A. (1879) Description de quelques Crustaces nouveaux. Bulletin de la Societe philomathique de Paris, 7 (3), 103 - 110, pls. 1, 2." type="journal article" year="1879">A. Milne-Edwards, 1879</bibRefCitation>
</taxonomicName>
. Compounding the ambiguity of this character, some xanthine genera such as
<taxonomicName id="4C104D79FFEE3D2F731FCF2DFB302A70" authority="Ng &amp; Clark, 2003" authorityName="Ng &amp; Clark" authorityYear="2003" box="[835,1170,1122,1148]" class="Malacostraca" family="Xanthidae" genus="Marratha" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F731FCF2DFC172A70" box="[835,949,1123,1148]" italics="true" pageId="1" pageNumber="2">Marratha</emphasis>
Ng &amp;
<bibRefCitation id="EF814B0BFFEE3D2F7459CF2CFB302A70" author="Clark" box="[1029,1170,1122,1148]" pageId="1" pageNumber="2" refString="Ng, P. K. L. &amp; Clark, P. F. (2003) Three new genera of Indo-West Pacific Xanthidae (Crustacea, Decapoda, Brachyura, Xanthoidea). Zoosystema, 25, 131 - 147." type="journal article" year="2003">Clark, 2003</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C104D79FFEE3D2F74C2CF2DFF742AAE" authority="Ng &amp; Clark, 2003" authorityName="Ng &amp; Clark" authorityYear="2003" class="Malacostraca" family="Xanthidae" genus="Jacforus" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F74C2CF2DFAA12A70" box="[1182,1283,1123,1148]" italics="true" pageId="1" pageNumber="2">Jacforus</emphasis>
Ng &amp;
<bibRefCitation id="EF814B0BFFEE3D2F7508CF2CFF742AAE" author="Clark" pageId="1" pageNumber="2" refString="Ng, P. K. L. &amp; Clark, P. F. (2003) Three new genera of Indo-West Pacific Xanthidae (Crustacea, Decapoda, Brachyura, Xanthoidea). Zoosystema, 25, 131 - 147." type="journal article" year="2003">Clark, 2003</bibRefCitation>
</taxonomicName>
, some species of
<taxonomicName id="4C104D79FFEE3D2F71F0CFC6FD772AAE" authority="Rathbun, 1897" authorityName="Rathbun" authorityYear="1897" box="[428,725,1160,1186]" class="Malacostraca" family="Xanthidae" genus="Xanthias" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F71F0CFC6FDB52AAD" box="[428,535,1160,1185]" italics="true" pageId="1" pageNumber="2">Xanthias</emphasis>
<bibRefCitation id="EF814B0BFFEE3D2F727CCFC6FD772AAE" author="Rathbun" box="[544,725,1160,1186]" pageId="1" pageNumber="2" refString="Rathbun, M. J. (1897) A revision of the nomenclature of the Brachyura. Proceedings of the Biological Society of Washington, 11, 153 - 167." type="journal article" year="1897">Rathbun, 1897</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C104D79FFEE3D2F72BECFC6FB942AAE" authority="Guinot, 1967" authorityName="Guinot" authorityYear="1967" box="[738,1078,1160,1186]" class="Malacostraca" family="Xanthidae" genus="Nanocassiope" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F72BECFC6FC292AAD" box="[738,907,1160,1185]" italics="true" pageId="1" pageNumber="2">Nanocassiope</emphasis>
<bibRefCitation id="EF814B0BFFEE3D2F73CFCFC6FB942AAE" author="Guinot" box="[915,1078,1160,1186]" pageId="1" pageNumber="2" refString="Guinot, D. (1967) Recherches preliminaires sur les groupements naturels chez les Crustaces Decapodes Brachyoures. II. Les anciens genres Micropanope Stimpson et Medaeus Dana. Bulletin du Museum national d'Histoire naturelle (Paris), ser. 2, 39 (2), 345 - 374." type="journal article" year="1967">Guinot, 1967</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C104D79FFEE3D2F741FCFC6FF7A2ACB" authority="Garth &amp; Kim, 1983" authorityName="Garth &amp; Kim" authorityYear="1983" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F741FCFC6FB482AAD" box="[1091,1258,1160,1185]" italics="true" pageId="1" pageNumber="2">Euryxanthops</emphasis>
<bibRefCitation id="EF814B0BFFEE3D2F74AFCFC6FF7A2ACB" author="Garth" pageId="1" pageNumber="2" refString="Garth, J. S. &amp; Kim, H. S. (1983) Crabs of the family Xanthidae (Crustacea: Brachyura) from the Philippine Islands and adjacent waters based largely on collections of the U. S. Fish Commission steamer Albatross in 1908 - 1909. Journal of Natural History, 17, 663 - 729." type="journal article" year="1983">Garth &amp; Kim, 1983</bibRefCitation>
</taxonomicName>
, and
<taxonomicName id="4C104D79FFEE3D2F7147CFE3FDDA2ACB" authority="Odhner, 1925" authorityName="Odhner" authorityYear="1925" box="[283,632,1197,1223]" class="Malacostraca" family="Xanthidae" genus="Paraxanthias" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F7147CFE3FE602ACA" box="[283,450,1197,1222]" italics="true" pageId="1" pageNumber="2">Paraxanthias</emphasis>
<bibRefCitation id="EF814B0BFFEE3D2F7197CFE3FDDA2ACB" author="Odhner" box="[459,632,1197,1223]" pageId="1" pageNumber="2" refString="Odhner, T. (1925) Monographierte Gattungen der Krabben familie Xanthidae. I. Goteborgs Kungliga Vetenskaps-och Vitterhets-Samhalles Handlingar, 29 (1), 3 - 92, pls. 1 - 5." type="journal article" year="1925">Odhner, 1925</bibRefCitation>
</taxonomicName>
, possess a strongly differentiated basal tooth on the major chela (
<bibRefCitation id="EF814B0BFFEE3D2F70C3CF9CFE092AE0" author="Mendoza" box="[159,427,1234,1260]" pageId="1" pageNumber="2" refString="Mendoza, J. C. E. &amp; Ng, P. K. L. (2008) A new species of Alainodaeus (Crustacea: Decapoda: Brachyura: Xanthidae) from Balicasag Island, Philippines, with a key to the genus. Zootaxa, 1897, 53 - 63." type="journal article" year="2008">Mendoza &amp; Ng 2008</bibRefCitation>
).
<taxonomicName id="4C104D79FFEE3D2F719DCF9DFD622AE0" box="[449,704,1235,1260]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="species" species="troglophila">
<emphasis id="B964EAE8FFEE3D2F719DCF9DFD622AE0" box="[449,704,1235,1260]" italics="true" pageId="1" pageNumber="2">Guitonia troglophila</emphasis>
</taxonomicName>
does possess a differentiated basal tooth, whereas the only known specimen of
<taxonomicName id="4C104D79FFEE3D2F71D8CFB6FDA02B1D" box="[388,514,1272,1297]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="species" species="leimomi" status="sp. nov.">
<emphasis id="B964EAE8FFEE3D2F71D8CFB6FDA02B1D" box="[388,514,1272,1297]" italics="true" pageId="1" pageNumber="2">G. leimomi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2575793FFEE3D2F7256CFB9FDEE2B1D" box="[522,588,1271,1297]" pageId="1" pageNumber="2" rank="species">
<emphasis id="B964EAE8FFEE3D2F7256CFB9FDEE2B1D" bold="true" box="[522,588,1271,1297]" pageId="1" pageNumber="2">n. sp.</emphasis>
</taxonomicNameLabel>
, does not. However, this character can vary slightly in
<taxonomicName id="4C104D79FFEE3D2F748FCFB6FAE92B1D" box="[1235,1355,1272,1297]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="species" species="paulayi" status="sp. nov.">
<emphasis id="B964EAE8FFEE3D2F748FCFB6FAE92B1D" box="[1235,1355,1272,1297]" italics="true" pageId="1" pageNumber="2">G. paulayi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2575793FFEE3D2F750FCFB9FA372B1D" box="[1363,1429,1271,1297]" pageId="1" pageNumber="2" rank="species">
<emphasis id="B964EAE8FFEE3D2F750FCFB9FA372B1D" bold="true" box="[1363,1429,1271,1297]" pageId="1" pageNumber="2">n. sp.</emphasis>
</taxonomicNameLabel>
, which possesses a differentiated basal tooth (i.e. being distinctly robust relative to the other teeth) in 6 of
<specimenCount id="9D16FD73FFEE3D2F7522CE53FF702B50" pageId="1" pageNumber="2" type="adult">10 adult</specimenCount>
male and female
<typeStatus id="54AB8858FFEE3D2F71FFCE0CFE772B50" box="[419,469,1346,1372]" pageId="1" pageNumber="2">type</typeStatus>
specimens. On the
<typeStatus id="54AB8858FFEE3D2F72E1CE0CFC862B50" box="[701,804,1346,1372]" pageId="1" pageNumber="2" type="holotype">holotype</typeStatus>
of
<taxonomicName id="4C104D79FFEE3D2F7310CE0DFC662B50" box="[844,964,1347,1372]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="species" species="paulayi" status="sp. nov.">
<emphasis id="B964EAE8FFEE3D2F7310CE0DFC662B50" box="[844,964,1347,1372]" italics="true" pageId="1" pageNumber="2">G. paulayi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2575793FFEE3D2F7390CE0CFBAC2B50" box="[972,1038,1346,1372]" pageId="1" pageNumber="2" rank="species">
<emphasis id="B964EAE8FFEE3D2F7390CE0CFBAC2B50" bold="true" box="[972,1038,1346,1372]" pageId="1" pageNumber="2">n. sp.</emphasis>
</taxonomicNameLabel>
(UF 1291), the basal tooth on the dactylus of the major chela is about half the size of that on a
<typeStatus id="54AB8858FFEE3D2F7330CE26FC732B8E" box="[876,977,1384,1410]" pageId="1" pageNumber="2" type="paratype">paratype</typeStatus>
specimen (UF 1967), whereas another
<typeStatus id="54AB8858FFEE3D2F70CBCEC3FF5E2BAB" box="[151,252,1421,1447]" pageId="1" pageNumber="2" type="paratype">paratype</typeStatus>
specimen (UF 1291) has an almost indiscernible tooth. Therefore, a clear decision on the subfamilial placement of
<taxonomicName id="4C104D79FFEE3D2F716BCEFDFE3D2BC0" box="[311,415,1459,1484]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F716BCEFDFE3D2BC0" box="[311,415,1459,1484]" italics="true" pageId="1" pageNumber="2">Guitonia</emphasis>
</taxonomicName>
based on this character cannot be made, and the genus is retained in the
<taxonomicName id="4C104D79FFEE3D2F74A6CEFCFAD02BC0" box="[1274,1394,1458,1484]" class="Malacostraca" family="Xanthidae" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="subFamily" subFamily="Xanthinae">Xanthinae</taxonomicName>
for the time being. All three species of
<taxonomicName id="4C104D79FFEE3D2F7262CE96FD052BFD" box="[574,679,1496,1521]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F7262CE96FD052BFD" box="[574,679,1496,1521]" italics="true" pageId="1" pageNumber="2">Guitonia</emphasis>
</taxonomicName>
share a highly conserved, granular, transversely-ovate carapace with similarly demarcated anterior regions, four similar anterolateral teeth that point anteriorly, three frontal recessed pits, and relatively long, slender ambulatory legs. They appear to form a distinct group and differ from other related genera as described below.
</paragraph>
</subSubSection>
<subSubSection id="C30A6571FFEE3D2C7099CD23FD3B2BFE" lastPageId="2" lastPageNumber="3" pageId="1" pageNumber="2" type="reference_group">
<paragraph id="8BAF36FAFFEE3D2C7099CD23FD502EDB" blockId="1.[151,1437,151,2007]" lastBlockId="2.[151,1437,152,1522]" lastPageId="2" lastPageNumber="3" pageId="1" pageNumber="2">
<taxonomicName id="4C104D79FFEE3D2F7099CD23FE8D288A" ID-CoL="7PHQF" box="[197,303,1645,1670]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F7099CD23FE8D288A" box="[197,303,1645,1670]" italics="true" pageId="1" pageNumber="2">Guitonia</emphasis>
</taxonomicName>
is superficially similar to the euxanthine
<taxonomicName id="4C104D79FFEE3D2F7379CD23FBFA288B" ID-CoL="7NNFV" authority="Davie, 1993" authorityName="Davie" authorityYear="1993" box="[805,1112,1645,1671]" class="Malacostraca" family="Xanthidae" genus="Alainodaeus" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F7379CD23FC18288A" box="[805,954,1645,1670]" italics="true" pageId="1" pageNumber="2">Alainodaeus</emphasis>
<bibRefCitation id="EF814B0BFFEE3D2F739FCD23FBFA288B" author="Davie" box="[963,1112,1645,1671]" pageId="1" pageNumber="2" refString="Davie, P. J. F. (1993) Deepwater xanthid crabs from French Polynesia (Crustacea. Decapoda, Xanthoidea). Bulletin du Museum national d'Histoire naturelle (Paris), (4) 14 (A 2), 501 - 561." type="journal article" year="1993">Davie, 1993</bibRefCitation>
</taxonomicName>
, by virtue of the following features: 1) carapace transversely ovate, granular, with similar anterior regions indicated, and similar anterolateral and posterolateral dimensions; 2) subtriangular to triangular anterolateral teeth; 3) a distally curving male G1 sometimes with a lateral flange; and 4) long, slender ambulatory legs. However, it differs significantly in the following characters: 1) always with four anterolateral teeth, the last three of which are acute and pointing anteriorly (
<figureCitation id="132B2A7FFFEE3D2F71A7CC66FD9F294E" box="[507,573,1832,1858]" captionStart="FIGURE 1" captionStartId="4.[151,255,1576,1600]" captionTargetBox="[151,1436,271,1551]" captionTargetId="figure@4.[151,1436,271,1552]" captionTargetPageId="4" captionText="FIGURE 1. Guitonia leimomi n. sp., holotype male, 15.5 × 9.7 mm (ZRC 2010.0277), Hawaiian Is., A, dorsal view, B, frontal view; Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 mm (ZRC 2010.0278), Guam, C, dorsal view, D, frontal view; Guitonia troglophila Garth &amp; Iliffe, 1992, holotype female, 14.2 × 9.7 mm (LACM CR 19871671), Galápagos, E, dorsal view, F, frontal view." httpUri="https://zenodo.org/record/199404/files/figure.png" pageId="1" pageNumber="2">Fig. 1</figureCitation>
A, C, E) (lower, less acute anterolateral teeth with the first more reduced or absent in
<taxonomicName id="4C104D79FFEE3D2F717ACC03FE1A296A" ID-CoL="7NNFV" box="[294,440,1869,1894]" class="Malacostraca" family="Xanthidae" genus="Alainodaeus" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F717ACC03FE1A296A" box="[294,440,1869,1894]" italics="true" pageId="1" pageNumber="2">Alainodaeus</emphasis>
</taxonomicName>
) (
<bibRefCitation id="EF814B0BFFEE3D2F718DCC03FDFD296B" author="Davie" box="[465,607,1869,1895]" pageId="1" pageNumber="2" refString="Davie, P. J. F. (1993) Deepwater xanthid crabs from French Polynesia (Crustacea. Decapoda, Xanthoidea). Bulletin du Museum national d'Histoire naturelle (Paris), (4) 14 (A 2), 501 - 561." type="journal article" year="1993">Davie 1993</bibRefCitation>
: pls. 5A, 6A;
<bibRefCitation id="EF814B0BFFEE3D2F735CCC03FC2E296B" author="Davie" box="[768,908,1869,1895]" pageId="1" pageNumber="2" refString="Davie, P. J. F. (1997) Crustacea Decapoda: Deep water Xanthoidea from the South-Western Pacific and the Western Indian Ocean. In: A. Crosnier (Ed.), Resultats des Campagnes MUSORSTOM, Volume 18. Memoires du Museum national d'Histoire naturelle (Paris), 176, 337 - 387." type="journal article" year="1997">Davie 1997</bibRefCitation>
: figs. 4a, 5a, 18b;
<bibRefCitation id="EF814B0BFFEE3D2F743DCC03FAFC296B" author="Mendoza" box="[1121,1374,1869,1895]" pageId="1" pageNumber="2" refString="Mendoza, J. C. E. &amp; Ng, P. K. L. (2008) A new species of Alainodaeus (Crustacea: Decapoda: Brachyura: Xanthidae) from Balicasag Island, Philippines, with a key to the genus. Zootaxa, 1897, 53 - 63." type="journal article" year="2008">Mendoza &amp; Ng 2008</bibRefCitation>
: figs. 1, 2A, B); 2) a relatively long male telson (
<figureCitation id="132B2A7FFFEE3D2F72CDCC3CFD732980" box="[657,721,1906,1932]" captionStart="FIGURE 2" captionStartId="5.[151,257,1828,1852]" captionTargetBox="[322,1234,343,1796]" captionTargetId="figure@5.[263,1292,317,1810]" captionTargetPageId="5" captionText="FIGURE 2. Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 (ZRC 2010.0278), Guam; A, right third maxilliped, external view; B, male abdomen, external view; C, left G 1 detail of tip, external view; D, left G 1, external view; E, left G 1, internal view; F, right G 2, external view. Scales: A – E, 1.0 mm; F, 0.5 mm." httpUri="https://zenodo.org/record/199405/files/figure.png" pageId="1" pageNumber="2">Fig 2</figureCitation>
B, 4B) (a relatively short male telson in
<taxonomicName id="4C104D79FFEE3D2F74F4CC3DFA982980" ID-CoL="7NNFV" box="[1192,1338,1907,1932]" class="Malacostraca" family="Xanthidae" genus="Alainodaeus" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFEE3D2F74F4CC3DFA982980" box="[1192,1338,1907,1932]" italics="true" pageId="1" pageNumber="2">Alainodaeus</emphasis>
</taxonomicName>
) (
<bibRefCitation id="EF814B0BFFEE3D2F7508CC3CFF7529BE" author="Davie" pageId="1" pageNumber="2" refString="Davie, P. J. F. (1993) Deepwater xanthid crabs from French Polynesia (Crustacea. Decapoda, Xanthoidea). Bulletin du Museum national d'Histoire naturelle (Paris), (4) 14 (A 2), 501 - 561." type="journal article" year="1993">Davie 1993</bibRefCitation>
: figs. 5B, 6C;
<bibRefCitation id="EF814B0BFFEE3D2F71D8CCD6FDB029BE" author="Davie" box="[388,530,1944,1970]" pageId="1" pageNumber="2" refString="Davie, P. J. F. (1997) Crustacea Decapoda: Deep water Xanthoidea from the South-Western Pacific and the Western Indian Ocean. In: A. Crosnier (Ed.), Resultats des Campagnes MUSORSTOM, Volume 18. Memoires du Museum national d'Histoire naturelle (Paris), 176, 337 - 387." type="journal article" year="1997">Davie 1997</bibRefCitation>
: figs. 4f, 5h;
<bibRefCitation id="EF814B0BFFEE3D2F72EDCCD6FC1229BE" author="Mendoza" box="[689,944,1944,1970]" pageId="1" pageNumber="2" refString="Mendoza, J. C. E. &amp; Ng, P. K. L. (2008) A new species of Alainodaeus (Crustacea: Decapoda: Brachyura: Xanthidae) from Balicasag Island, Philippines, with a key to the genus. Zootaxa, 1897, 53 - 63." type="journal article" year="2008">Mendoza &amp; Ng 2008</bibRefCitation>
, fig. 4C); and 3) a more slender male G1 with a strongly recurved distal end ornamented with long subapical setae (
<figureCitation id="132B2A7FFFEE3D2F744BCCF3FBC929DB" box="[1047,1131,1981,2007]" captionStart="FIGURE 2" captionStartId="5.[151,257,1828,1852]" captionTargetBox="[322,1234,343,1796]" captionTargetId="figure@5.[263,1292,317,1810]" captionTargetPageId="5" captionText="FIGURE 2. Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 (ZRC 2010.0278), Guam; A, right third maxilliped, external view; B, male abdomen, external view; C, left G 1 detail of tip, external view; D, left G 1, external view; E, left G 1, internal view; F, right G 2, external view. Scales: A – E, 1.0 mm; F, 0.5 mm." httpUri="https://zenodo.org/record/199405/files/figure.png" pageId="1" pageNumber="2">Figs. 2</figureCitation>
C–E, 4C–E) (a stout, less curving male G1 lacking long subapical setae in
<taxonomicName id="4C104D79FFED3D2C7287CBD6FCCC2EBD" ID-CoL="7NNFV" box="[731,878,152,177]" class="Malacostraca" family="Xanthidae" genus="Alainodaeus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C7287CBD6FCCC2EBD" box="[731,878,152,177]" italics="true" pageId="2" pageNumber="3">Alainodaeus</emphasis>
</taxonomicName>
) (
<bibRefCitation id="EF814B0BFFED3D2C73D4CBD6FBB52EBE" author="Davie" box="[904,1047,152,178]" pageId="2" pageNumber="3" refString="Davie, P. J. F. (1993) Deepwater xanthid crabs from French Polynesia (Crustacea. Decapoda, Xanthoidea). Bulletin du Museum national d'Histoire naturelle (Paris), (4) 14 (A 2), 501 - 561." type="journal article" year="1993">Davie 1993</bibRefCitation>
: figs. 5C, D, 6E–G;
<bibRefCitation id="EF814B0BFFED3D2C7557CBD6FA3A2EBE" author="Davie" box="[1291,1432,152,178]" pageId="2" pageNumber="3" refString="Davie, P. J. F. (1997) Crustacea Decapoda: Deep water Xanthoidea from the South-Western Pacific and the Western Indian Ocean. In: A. Crosnier (Ed.), Resultats des Campagnes MUSORSTOM, Volume 18. Memoires du Museum national d'Histoire naturelle (Paris), 176, 337 - 387." type="journal article" year="1997">Davie 1997</bibRefCitation>
: figs. 4G, H,
<date id="FFAE103AFFED3D2C7178CBF3FE9C2EDB" box="[292,318,189,215]" pageId="2" pageNumber="3">5I</date>
, J;
<bibRefCitation id="EF814B0BFFED3D2C713ACBF3FDC02EDB" author="Mendoza" box="[358,610,189,215]" pageId="2" pageNumber="3" refString="Mendoza, J. C. E. &amp; Ng, P. K. L. (2008) A new species of Alainodaeus (Crustacea: Decapoda: Brachyura: Xanthidae) from Balicasag Island, Philippines, with a key to the genus. Zootaxa, 1897, 53 - 63." type="journal article" year="2008">Mendoza &amp; Ng 2008</bibRefCitation>
: fig. 4D, E).
</paragraph>
<paragraph id="8BAF36FAFFED3D2C709ACBACFC3F2DEB" blockId="2.[151,1437,152,1522]" pageId="2" pageNumber="3">
There are several genera currently placed in the
<taxonomicName id="4C104D79FFED3D2C72A5CBACFCD32EF0" ID-CoL="847KY" box="[761,881,226,252]" class="Malacostraca" family="Xanthidae" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="subFamily" subFamily="Xanthinae">Xanthinae</taxonomicName>
that bear a superficial resemblance to
<taxonomicName id="4C104D79FFED3D2C7568CBACFA3E2EF7" ID-CoL="7PHQF" box="[1332,1436,226,251]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C7568CBACFA3E2EF7" box="[1332,1436,226,251]" italics="true" pageId="2" pageNumber="3">Guitonia</emphasis>
</taxonomicName>
(see
<bibRefCitation id="EF814B0BFFED3D2C7088CA46FED92F2E" author="Guinot" box="[212,379,264,290]" pageId="2" pageNumber="3" refString="Guinot, D. (1967) Recherches preliminaires sur les groupements naturels chez les Crustaces Decapodes Brachyoures. II. Les anciens genres Micropanope Stimpson et Medaeus Dana. Bulletin du Museum national d'Histoire naturelle (Paris), ser. 2, 39 (2), 345 - 374." type="journal article" year="1967">Guinot 1967</bibRefCitation>
).
<taxonomicName id="4C104D79FFED3D2C71CECA46FDA62F2D" ID-CoL="7PHQF" box="[402,516,264,289]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C71CECA46FDA62F2D" box="[402,516,264,289]" italics="true" pageId="2" pageNumber="3">Guitonia</emphasis>
</taxonomicName>
is similar to
<taxonomicName id="4C104D79FFED3D2C72EDCA46FB922F2E" authority="Stimpson, 1871" authorityName="Stimpson" authorityYear="1871" box="[689,1072,264,290]" class="Malacostraca" family="Xanthidae" genus="Micropanope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C72EDCA46FCF92F2D" box="[689,859,264,289]" italics="true" pageId="2" pageNumber="3">Micropanope</emphasis>
<bibRefCitation id="EF814B0BFFED3D2C7338CA46FB922F2E" author="Stimpson" box="[868,1072,264,290]" pageId="2" pageNumber="3" refString="Stimpson, W. (1871) Preliminary report on the Crustacea dredged in the Gulf Stream in the Straits of Florida, by L. F. de Pourtales, Assist. U. S. Coast Survey. Part I. Brachyura. Bulletin of the Museum of Comparative Zoology at Harvard College, in Cambridge, 2, 109 - 160." type="journal article" year="1871">Stimpson, 1871</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C104D79FFED3D2C7462CA46FA3A2F2E" ID-CoL="7P462" authority="Guinot, 1967" authorityName="Guinot" authorityYear="1967" box="[1086,1432,264,290]" class="Malacostraca" family="Xanthidae" genus="Gonopanope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C7462CA46FB432F2D" box="[1086,1249,264,289]" italics="true" pageId="2" pageNumber="3">Gonopanope</emphasis>
<bibRefCitation id="EF814B0BFFED3D2C74B7CA46FA3A2F2E" author="Guinot" box="[1259,1432,264,290]" pageId="2" pageNumber="3" refString="Guinot, D. (1967) Recherches preliminaires sur les groupements naturels chez les Crustaces Decapodes Brachyoures. II. Les anciens genres Micropanope Stimpson et Medaeus Dana. Bulletin du Museum national d'Histoire naturelle (Paris), ser. 2, 39 (2), 345 - 374." type="journal article" year="1967">Guinot, 1967</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C104D79FFED3D2C70CBCA63FE7E2F4B" ID-CoL="7P4Q6" authority="Guinot, 1967" authorityName="Guinot" authorityYear="1967" box="[151,476,301,327]" class="Malacostraca" family="Xanthidae" genus="Coralliope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C70CBCA63FE812F4A" box="[151,291,301,326]" italics="true" pageId="2" pageNumber="3">Coralliope</emphasis>
<bibRefCitation id="EF814B0BFFED3D2C7170CA63FE7E2F4B" author="Guinot" box="[300,476,301,327]" pageId="2" pageNumber="3" refString="Guinot, D. (1967) Recherches preliminaires sur les groupements naturels chez les Crustaces Decapodes Brachyoures. II. Les anciens genres Micropanope Stimpson et Medaeus Dana. Bulletin du Museum national d'Histoire naturelle (Paris), ser. 2, 39 (2), 345 - 374." type="journal article" year="1967">Guinot, 1967</bibRefCitation>
</taxonomicName>
, and
<taxonomicName id="4C104D79FFED3D2C727DCA63FC2C2F4B" ID-CoL="7PLHP" authority="Guinot, 1967" authorityName="Guinot" authorityYear="1967" box="[545,910,301,327]" class="Malacostraca" family="Xanthidae" genus="Nanocassiope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C727DCA63FD772F4A" box="[545,725,301,326]" italics="true" pageId="2" pageNumber="3">Nanocassiope</emphasis>
<bibRefCitation id="EF814B0BFFED3D2C7283CA63FC2C2F4B" author="Guinot" box="[735,910,301,327]" pageId="2" pageNumber="3" refString="Guinot, D. (1967) Recherches preliminaires sur les groupements naturels chez les Crustaces Decapodes Brachyoures. II. Les anciens genres Micropanope Stimpson et Medaeus Dana. Bulletin du Museum national d'Histoire naturelle (Paris), ser. 2, 39 (2), 345 - 374." type="journal article" year="1967">Guinot, 1967</bibRefCitation>
</taxonomicName>
, in the general shape of their carapaces: transversely ovate, granular, and with similar regions.
<taxonomicName id="4C104D79FFED3D2C7348CA1CFCDE2F67" ID-CoL="7PHQF" box="[788,892,338,363]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C7348CA1CFCDE2F67" box="[788,892,338,363]" italics="true" pageId="2" pageNumber="3">Guitonia</emphasis>
</taxonomicName>
differs from
<taxonomicName id="4C104D79FFED3D2C7444CA1CFB172F67" box="[1048,1205,338,363]" class="Malacostraca" family="Xanthidae" genus="Micropanope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C7444CA1CFB172F67" box="[1048,1205,338,363]" italics="true" pageId="2" pageNumber="3">Micropanope</emphasis>
</taxonomicName>
(
<bibRefCitation id="EF814B0BFFED3D2C7498CA1CFE9B2F9E" author="Guinot" pageId="2" pageNumber="3" refString="Guinot, D. (1967) Recherches preliminaires sur les groupements naturels chez les Crustaces Decapodes Brachyoures. II. Les anciens genres Micropanope Stimpson et Medaeus Dana. Bulletin du Museum national d'Histoire naturelle (Paris), ser. 2, 39 (2), 345 - 374." type="journal article" year="1967">Guinot 1967: 347, figs. 4, 1A–C</bibRefCitation>
), however, on the basis of the following features: 1) a relatively broad carapace (
<figureCitation id="132B2A7FFFED3D2C74AFCA36FA972F9E" box="[1267,1333,376,402]" captionStart="FIGURE 1" captionStartId="4.[151,255,1576,1600]" captionTargetBox="[151,1436,271,1551]" captionTargetId="figure@4.[151,1436,271,1552]" captionTargetPageId="4" captionText="FIGURE 1. Guitonia leimomi n. sp., holotype male, 15.5 × 9.7 mm (ZRC 2010.0277), Hawaiian Is., A, dorsal view, B, frontal view; Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 mm (ZRC 2010.0278), Guam, C, dorsal view, D, frontal view; Guitonia troglophila Garth &amp; Iliffe, 1992, holotype female, 14.2 × 9.7 mm (LACM CR 19871671), Galápagos, E, dorsal view, F, frontal view." httpUri="https://zenodo.org/record/199404/files/figure.png" pageId="2" pageNumber="3">Fig. 1</figureCitation>
A, C, E) (narrower carapace in
<taxonomicName id="4C104D79FFED3D2C71EBCAD3FDC22FBA" box="[439,608,413,438]" class="Malacostraca" family="Xanthidae" genus="Micropanope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C71EBCAD3FDC22FBA" box="[439,608,413,438]" italics="true" pageId="2" pageNumber="3">Micropanope</emphasis>
</taxonomicName>
); 2) a relatively long anterolateral margin (
<figureCitation id="132B2A7FFFED3D2C74CCCAD3FB7B2FBB" box="[1168,1241,413,439]" captionStart="FIGURE 1" captionStartId="4.[151,255,1576,1600]" captionTargetBox="[151,1436,271,1551]" captionTargetId="figure@4.[151,1436,271,1552]" captionTargetPageId="4" captionText="FIGURE 1. Guitonia leimomi n. sp., holotype male, 15.5 × 9.7 mm (ZRC 2010.0277), Hawaiian Is., A, dorsal view, B, frontal view; Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 mm (ZRC 2010.0278), Guam, C, dorsal view, D, frontal view; Guitonia troglophila Garth &amp; Iliffe, 1992, holotype female, 14.2 × 9.7 mm (LACM CR 19871671), Galápagos, E, dorsal view, F, frontal view." httpUri="https://zenodo.org/record/199404/files/figure.png" pageId="2" pageNumber="3">Fig. 1</figureCitation>
A, C, E) (short anterolateral margin in
<taxonomicName id="4C104D79FFED3D2C71F1CA8CFDE92FD7" box="[429,587,450,475]" class="Malacostraca" family="Xanthidae" genus="Micropanope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C71F1CA8CFDE92FD7" box="[429,587,450,475]" italics="true" pageId="2" pageNumber="3">Micropanope</emphasis>
</taxonomicName>
); 3) a short front (
<figureCitation id="132B2A7FFFED3D2C7376CA8CFCCF2FD0" box="[810,877,450,476]" captionStart="FIGURE 1" captionStartId="4.[151,255,1576,1600]" captionTargetBox="[151,1436,271,1551]" captionTargetId="figure@4.[151,1436,271,1552]" captionTargetPageId="4" captionText="FIGURE 1. Guitonia leimomi n. sp., holotype male, 15.5 × 9.7 mm (ZRC 2010.0277), Hawaiian Is., A, dorsal view, B, frontal view; Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 mm (ZRC 2010.0278), Guam, C, dorsal view, D, frontal view; Guitonia troglophila Garth &amp; Iliffe, 1992, holotype female, 14.2 × 9.7 mm (LACM CR 19871671), Galápagos, E, dorsal view, F, frontal view." httpUri="https://zenodo.org/record/199404/files/figure.png" pageId="2" pageNumber="3">Fig. 1</figureCitation>
A, C, E) (more projecting in
<taxonomicName id="4C104D79FFED3D2C7497CA8CFACB2FD7" box="[1227,1385,450,475]" class="Malacostraca" family="Xanthidae" genus="Micropanope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C7497CA8CFACB2FD7" box="[1227,1385,450,475]" italics="true" pageId="2" pageNumber="3">Micropanope</emphasis>
</taxonomicName>
); 4) four fully formed anterolateral teeth (
<figureCitation id="132B2A7FFFED3D2C720DCAA6FD362C0E" box="[593,660,488,514]" captionStart="FIGURE 1" captionStartId="4.[151,255,1576,1600]" captionTargetBox="[151,1436,271,1551]" captionTargetId="figure@4.[151,1436,271,1552]" captionTargetPageId="4" captionText="FIGURE 1. Guitonia leimomi n. sp., holotype male, 15.5 × 9.7 mm (ZRC 2010.0277), Hawaiian Is., A, dorsal view, B, frontal view; Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 mm (ZRC 2010.0278), Guam, C, dorsal view, D, frontal view; Guitonia troglophila Garth &amp; Iliffe, 1992, holotype female, 14.2 × 9.7 mm (LACM CR 19871671), Galápagos, E, dorsal view, F, frontal view." httpUri="https://zenodo.org/record/199404/files/figure.png" pageId="2" pageNumber="3">Fig. 1</figureCitation>
A, C, E) (two distinct anterolateral teeth in
<taxonomicName id="4C104D79FFED3D2C74C6CAA6FA952C0D" box="[1178,1335,488,513]" class="Malacostraca" family="Xanthidae" genus="Micropanope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C74C6CAA6FA952C0D" box="[1178,1335,488,513]" italics="true" pageId="2" pageNumber="3">Micropanope</emphasis>
</taxonomicName>
); and 5) long, slender ambulatory legs (
<figureCitation id="132B2A7FFFED3D2C725CC943FDE02C2B" box="[512,578,525,551]" captionStart="FIGURE 1" captionStartId="4.[151,255,1576,1600]" captionTargetBox="[151,1436,271,1551]" captionTargetId="figure@4.[151,1436,271,1552]" captionTargetPageId="4" captionText="FIGURE 1. Guitonia leimomi n. sp., holotype male, 15.5 × 9.7 mm (ZRC 2010.0277), Hawaiian Is., A, dorsal view, B, frontal view; Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 mm (ZRC 2010.0278), Guam, C, dorsal view, D, frontal view; Guitonia troglophila Garth &amp; Iliffe, 1992, holotype female, 14.2 × 9.7 mm (LACM CR 19871671), Galápagos, E, dorsal view, F, frontal view." httpUri="https://zenodo.org/record/199404/files/figure.png" pageId="2" pageNumber="3">Fig. 1</figureCitation>
A, C, E) (relatively shorter and stouter in
<taxonomicName id="4C104D79FFED3D2C7470C943FB6B2C2A" box="[1068,1225,525,550]" class="Malacostraca" family="Xanthidae" genus="Micropanope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C7470C943FB6B2C2A" box="[1068,1225,525,550]" italics="true" pageId="2" pageNumber="3">Micropanope</emphasis>
</taxonomicName>
).
<taxonomicName id="4C104D79FFED3D2C74BDC943FAEB2C2A" ID-CoL="7PHQF" box="[1249,1353,525,550]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C74BDC943FAEB2C2A" box="[1249,1353,525,550]" italics="true" pageId="2" pageNumber="3">Guitonia</emphasis>
</taxonomicName>
differs from
<taxonomicName id="4C104D79FFED3D2C7085C97CFED12C47" ID-CoL="7P462" box="[217,371,562,587]" class="Malacostraca" family="Xanthidae" genus="Gonopanope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C7085C97CFED12C47" box="[217,371,562,587]" italics="true" pageId="2" pageNumber="3">Gonopanope</emphasis>
</taxonomicName>
(
<bibRefCitation id="EF814B0BFFED3D2C71DFC97CFD512C40" author="Guinot" box="[387,755,562,588]" pageId="2" pageNumber="3" refString="Guinot, D. (1967) Recherches preliminaires sur les groupements naturels chez les Crustaces Decapodes Brachyoures. II. Les anciens genres Micropanope Stimpson et Medaeus Dana. Bulletin du Museum national d'Histoire naturelle (Paris), ser. 2, 39 (2), 345 - 374." type="journal article" year="1967">Guinot 1967: 351, figs. 2, 6, 7</bibRefCitation>
) by virtue of the following features: 1) a broad carapace (
<figureCitation id="132B2A7FFFED3D2C70FCC916FF412C7E" box="[160,227,600,626]" captionStart="FIGURE 1" captionStartId="4.[151,255,1576,1600]" captionTargetBox="[151,1436,271,1551]" captionTargetId="figure@4.[151,1436,271,1552]" captionTargetPageId="4" captionText="FIGURE 1. Guitonia leimomi n. sp., holotype male, 15.5 × 9.7 mm (ZRC 2010.0277), Hawaiian Is., A, dorsal view, B, frontal view; Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 mm (ZRC 2010.0278), Guam, C, dorsal view, D, frontal view; Guitonia troglophila Garth &amp; Iliffe, 1992, holotype female, 14.2 × 9.7 mm (LACM CR 19871671), Galápagos, E, dorsal view, F, frontal view." httpUri="https://zenodo.org/record/199404/files/figure.png" pageId="2" pageNumber="3">Fig. 1</figureCitation>
A, C, E) (relatively narrow in
<taxonomicName id="4C104D79FFED3D2C720EC916FD492C7D" ID-CoL="7P462" box="[594,747,600,625]" class="Malacostraca" family="Xanthidae" genus="Gonopanope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C720EC916FD492C7D" box="[594,747,600,625]" italics="true" pageId="2" pageNumber="3">Gonopanope</emphasis>
</taxonomicName>
); 2) long anterolateral margins bearing four distinct teeth (
<figureCitation id="132B2A7FFFED3D2C70C3C933FF432C9B" box="[159,225,637,663]" captionStart="FIGURE 1" captionStartId="4.[151,255,1576,1600]" captionTargetBox="[151,1436,271,1551]" captionTargetId="figure@4.[151,1436,271,1552]" captionTargetPageId="4" captionText="FIGURE 1. Guitonia leimomi n. sp., holotype male, 15.5 × 9.7 mm (ZRC 2010.0277), Hawaiian Is., A, dorsal view, B, frontal view; Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 mm (ZRC 2010.0278), Guam, C, dorsal view, D, frontal view; Guitonia troglophila Garth &amp; Iliffe, 1992, holotype female, 14.2 × 9.7 mm (LACM CR 19871671), Galápagos, E, dorsal view, F, frontal view." httpUri="https://zenodo.org/record/199404/files/figure.png" pageId="2" pageNumber="3">Fig. 1</figureCitation>
A, C, E) (short anterolateral margins with only two distinct teeth in
<taxonomicName id="4C104D79FFED3D2C73A2C933FB372C9A" ID-CoL="7P462" box="[1022,1173,637,662]" class="Malacostraca" family="Xanthidae" genus="Gonopanope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C73A2C933FB372C9A" box="[1022,1173,637,662]" italics="true" pageId="2" pageNumber="3">Gonopanope</emphasis>
</taxonomicName>
); and 3) a less twisted distal end of the male G1 (
<figureCitation id="132B2A7FFFED3D2C7184C9ECFD892CB0" box="[472,555,674,700]" captionStart="FIGURE 2" captionStartId="5.[151,257,1828,1852]" captionTargetBox="[322,1234,343,1796]" captionTargetId="figure@5.[263,1292,317,1810]" captionTargetPageId="5" captionText="FIGURE 2. Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 (ZRC 2010.0278), Guam; A, right third maxilliped, external view; B, male abdomen, external view; C, left G 1 detail of tip, external view; D, left G 1, external view; E, left G 1, internal view; F, right G 2, external view. Scales: A – E, 1.0 mm; F, 0.5 mm." httpUri="https://zenodo.org/record/199405/files/figure.png" pageId="2" pageNumber="3">Figs. 2</figureCitation>
C–E, 4C–E) (prominently twisted in
<taxonomicName id="4C104D79FFED3D2C73BBC9ECFB222CB7" ID-CoL="7P462" box="[999,1152,674,699]" class="Malacostraca" family="Xanthidae" genus="Gonopanope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C73BBC9ECFB222CB7" box="[999,1152,674,699]" italics="true" pageId="2" pageNumber="3">Gonopanope</emphasis>
</taxonomicName>
).
<taxonomicName id="4C104D79FFED3D2C74C7C9ECFAA72CB7" ID-CoL="7PHQF" box="[1179,1285,674,699]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C74C7C9ECFAA72CB7" box="[1179,1285,674,699]" italics="true" pageId="2" pageNumber="3">Guitonia</emphasis>
</taxonomicName>
differs from
<taxonomicName id="4C104D79FFED3D2C70CBC986FEB42CED" ID-CoL="7P4Q6" box="[151,278,712,737]" class="Malacostraca" family="Xanthidae" genus="Coralliope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C70CBC986FEB42CED" box="[151,278,712,737]" italics="true" pageId="2" pageNumber="3">Coralliope</emphasis>
</taxonomicName>
(
<bibRefCitation id="EF814B0BFFED3D2C717AC986FD262CEE" author="Guinot" box="[294,644,712,738]" pageId="2" pageNumber="3" refString="Guinot, D. (1967) Recherches preliminaires sur les groupements naturels chez les Crustaces Decapodes Brachyoures. II. Les anciens genres Micropanope Stimpson et Medaeus Dana. Bulletin du Museum national d'Histoire naturelle (Paris), ser. 2, 39 (2), 345 - 374." type="journal article" year="1967">Guinot, 1967: 353, figs. 3, 11</bibRefCitation>
) by having the following features: 1) a broader carapace with long anterolateral margins bearing four distinct teeth (
<figureCitation id="132B2A7FFFED3D2C7352C9A3FCF52D0B" box="[782,855,749,775]" captionStart="FIGURE 1" captionStartId="4.[151,255,1576,1600]" captionTargetBox="[151,1436,271,1551]" captionTargetId="figure@4.[151,1436,271,1552]" captionTargetPageId="4" captionText="FIGURE 1. Guitonia leimomi n. sp., holotype male, 15.5 × 9.7 mm (ZRC 2010.0277), Hawaiian Is., A, dorsal view, B, frontal view; Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 mm (ZRC 2010.0278), Guam, C, dorsal view, D, frontal view; Guitonia troglophila Garth &amp; Iliffe, 1992, holotype female, 14.2 × 9.7 mm (LACM CR 19871671), Galápagos, E, dorsal view, F, frontal view." httpUri="https://zenodo.org/record/199404/files/figure.png" pageId="2" pageNumber="3">Fig. 1</figureCitation>
A, C, E) (relatively narrow with two or three anterolateral teeth in
<taxonomicName id="4C104D79FFED3D2C71CEC85CFDB32D27" ID-CoL="7P4Q6" box="[402,529,786,811]" class="Malacostraca" family="Xanthidae" genus="Coralliope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C71CEC85CFDB32D27" box="[402,529,786,811]" italics="true" pageId="2" pageNumber="3">Coralliope</emphasis>
</taxonomicName>
); 2) long, slender ambulatory legs (
<figureCitation id="132B2A7FFFED3D2C73E6C85CFC5E2D20" box="[954,1020,786,812]" captionStart="FIGURE 1" captionStartId="4.[151,255,1576,1600]" captionTargetBox="[151,1436,271,1551]" captionTargetId="figure@4.[151,1436,271,1552]" captionTargetPageId="4" captionText="FIGURE 1. Guitonia leimomi n. sp., holotype male, 15.5 × 9.7 mm (ZRC 2010.0277), Hawaiian Is., A, dorsal view, B, frontal view; Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 mm (ZRC 2010.0278), Guam, C, dorsal view, D, frontal view; Guitonia troglophila Garth &amp; Iliffe, 1992, holotype female, 14.2 × 9.7 mm (LACM CR 19871671), Galápagos, E, dorsal view, F, frontal view." httpUri="https://zenodo.org/record/199404/files/figure.png" pageId="2" pageNumber="3">Fig. 1</figureCitation>
A, C, E) (relatively shorter, stouter in
<taxonomicName id="4C104D79FFED3D2C70E8C876FE912D5D" ID-CoL="7P4Q6" box="[180,307,824,849]" class="Malacostraca" family="Xanthidae" genus="Coralliope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C70E8C876FE912D5D" box="[180,307,824,849]" italics="true" pageId="2" pageNumber="3">Coralliope</emphasis>
</taxonomicName>
); and 3) a recurved male G1 with long, strait distal setae (
<figureCitation id="132B2A7FFFED3D2C738AC876FB852D5E" box="[982,1063,824,850]" captionStart="FIGURE 2" captionStartId="5.[151,257,1828,1852]" captionTargetBox="[322,1234,343,1796]" captionTargetId="figure@5.[263,1292,317,1810]" captionTargetPageId="5" captionText="FIGURE 2. Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 (ZRC 2010.0278), Guam; A, right third maxilliped, external view; B, male abdomen, external view; C, left G 1 detail of tip, external view; D, left G 1, external view; E, left G 1, internal view; F, right G 2, external view. Scales: A – E, 1.0 mm; F, 0.5 mm." httpUri="https://zenodo.org/record/199405/files/figure.png" pageId="2" pageNumber="3">Figs. 2</figureCitation>
C–E, 4C–E) (a straight male G1 with stout distal bristles in
<taxonomicName id="4C104D79FFED3D2C718EC813FDF32D7A" ID-CoL="7P4Q6" box="[466,593,861,886]" class="Malacostraca" family="Xanthidae" genus="Coralliope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C718EC813FDF32D7A" box="[466,593,861,886]" italics="true" pageId="2" pageNumber="3">Coralliope</emphasis>
</taxonomicName>
).
<taxonomicName id="4C104D79FFED3D2C7235C813FD732D7A" ID-CoL="7PHQF" box="[617,721,861,886]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C7235C813FD732D7A" box="[617,721,861,886]" italics="true" pageId="2" pageNumber="3">Guitonia</emphasis>
</taxonomicName>
differs from
<taxonomicName id="4C104D79FFED3D2C7337C813FBAD2D7A" ID-CoL="7PLHP" box="[875,1039,861,886]" class="Malacostraca" family="Xanthidae" genus="Nanocassiope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C7337C813FBAD2D7A" box="[875,1039,861,886]" italics="true" pageId="2" pageNumber="3">Nanocassiope</emphasis>
</taxonomicName>
(
<bibRefCitation id="EF814B0BFFED3D2C7441C813FB152D7B" author="Guinot" box="[1053,1207,861,887]" pageId="2" pageNumber="3" refString="Guinot, D. (1967) Recherches preliminaires sur les groupements naturels chez les Crustaces Decapodes Brachyoures. II. Les anciens genres Micropanope Stimpson et Medaeus Dana. Bulletin du Museum national d'Histoire naturelle (Paris), ser. 2, 39 (2), 345 - 374." type="journal article" year="1967">Guinot 1967</bibRefCitation>
: 355, figs. 8, 9, 12– 14;
<bibRefCitation id="EF814B0BFFED3D2C709AC8CCFEF82D90" author="Davie" box="[198,346,898,924]" pageId="2" pageNumber="3" refString="Davie, P. J. F. (1997) Crustacea Decapoda: Deep water Xanthoidea from the South-Western Pacific and the Western Indian Ocean. In: A. Crosnier (Ed.), Resultats des Campagnes MUSORSTOM, Volume 18. Memoires du Museum national d'Histoire naturelle (Paris), 176, 337 - 387." type="journal article" year="1997">Davie 1997</bibRefCitation>
: 347) by having the following features: 1) a less twisted G1 (
<figureCitation id="132B2A7FFFED3D2C740CC8CCFB042D90" box="[1104,1190,898,924]" captionStart="FIGURE 2" captionStartId="5.[151,257,1828,1852]" captionTargetBox="[322,1234,343,1796]" captionTargetId="figure@5.[263,1292,317,1810]" captionTargetPageId="5" captionText="FIGURE 2. Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 (ZRC 2010.0278), Guam; A, right third maxilliped, external view; B, male abdomen, external view; C, left G 1 detail of tip, external view; D, left G 1, external view; E, left G 1, internal view; F, right G 2, external view. Scales: A – E, 1.0 mm; F, 0.5 mm." httpUri="https://zenodo.org/record/199405/files/figure.png" pageId="2" pageNumber="3">Figs. 2</figureCitation>
C–E, 4C–E) (highly twisted in
<taxonomicName id="4C104D79FFED3D2C717CC8E6FE712DCD" ID-CoL="7PLHP" box="[288,467,936,961]" class="Malacostraca" family="Xanthidae" genus="Nanocassiope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C717CC8E6FE712DCD" box="[288,467,936,961]" italics="true" pageId="2" pageNumber="3">Nanocassiope</emphasis>
</taxonomicName>
) with long distal setae (stout bristles in
<taxonomicName id="4C104D79FFED3D2C73BFC8E6FB342DCD" ID-CoL="7PLHP" box="[995,1174,936,961]" class="Malacostraca" family="Xanthidae" genus="Nanocassiope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C73BFC8E6FB342DCD" box="[995,1174,936,961]" italics="true" pageId="2" pageNumber="3">Nanocassiope</emphasis>
</taxonomicName>
); and 2) more acute anterolateral teeth (
<figureCitation id="132B2A7FFFED3D2C7126C883FE192DEB" box="[378,443,973,999]" captionStart="FIGURE 1" captionStartId="4.[151,255,1576,1600]" captionTargetBox="[151,1436,271,1551]" captionTargetId="figure@4.[151,1436,271,1552]" captionTargetPageId="4" captionText="FIGURE 1. Guitonia leimomi n. sp., holotype male, 15.5 × 9.7 mm (ZRC 2010.0277), Hawaiian Is., A, dorsal view, B, frontal view; Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 mm (ZRC 2010.0278), Guam, C, dorsal view, D, frontal view; Guitonia troglophila Garth &amp; Iliffe, 1992, holotype female, 14.2 × 9.7 mm (LACM CR 19871671), Galápagos, E, dorsal view, F, frontal view." httpUri="https://zenodo.org/record/199404/files/figure.png" pageId="2" pageNumber="3">Fig. 1</figureCitation>
A, C, E) (more obtuse in
<taxonomicName id="4C104D79FFED3D2C72BBC883FC292DEA" ID-CoL="7PLHP" box="[743,907,973,998]" class="Malacostraca" family="Xanthidae" genus="Nanocassiope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B964EAE8FFED3D2C72BBC883FC292DEA" box="[743,907,973,998]" italics="true" pageId="2" pageNumber="3">Nanocassiope</emphasis>
</taxonomicName>
).
</paragraph>
<paragraph id="8BAF36FAFFED3D2C709AC8BCFD3B2BFE" blockId="2.[151,1437,152,1522]" pageId="2" pageNumber="3">
Present in both
<taxonomicName id="4C104D79FFED3D2C71DAC8BCFD8F2A07" ID-CoL="3HLFY" box="[390,557,1010,1035]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="troglophila">
<emphasis id="B964EAE8FFED3D2C71DAC8BCFD8F2A07" box="[390,557,1010,1035]" italics="true" pageId="2" pageNumber="3">G. troglophila</emphasis>
</taxonomicName>
and
<taxonomicName id="4C104D79FFED3D2C7230C8BCFD4F2A07" ID-CoL="3HLFW" box="[620,749,1010,1035]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="leimomi" status="sp. nov.">
<emphasis id="B964EAE8FFED3D2C7230C8BCFD4F2A07" box="[620,749,1010,1035]" italics="true" pageId="2" pageNumber="3">G. leimomi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2575793FFED3D2C72ABC8BCFC9F2A00" box="[759,829,1010,1036]" pageId="2" pageNumber="3" rank="species">
<emphasis id="B964EAE8FFED3D2C72ABC8BCFC9F2A00" bold="true" box="[759,829,1010,1036]" pageId="2" pageNumber="3">n. sp.</emphasis>
</taxonomicNameLabel>
, are two granular ridges linked at the level of the exorbital angle and the first anterolateral tooth, which encloses a small, depressed area (visible in frontal view,
<figureCitation id="132B2A7FFFED3D2C70CBCF73FF792A5B" box="[151,219,1085,1111]" captionStart="FIGURE 1" captionStartId="4.[151,255,1576,1600]" captionTargetBox="[151,1436,271,1551]" captionTargetId="figure@4.[151,1436,271,1552]" captionTargetPageId="4" captionText="FIGURE 1. Guitonia leimomi n. sp., holotype male, 15.5 × 9.7 mm (ZRC 2010.0277), Hawaiian Is., A, dorsal view, B, frontal view; Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 mm (ZRC 2010.0278), Guam, C, dorsal view, D, frontal view; Guitonia troglophila Garth &amp; Iliffe, 1992, holotype female, 14.2 × 9.7 mm (LACM CR 19871671), Galápagos, E, dorsal view, F, frontal view." httpUri="https://zenodo.org/record/199404/files/figure.png" pageId="2" pageNumber="3">Fig. 1</figureCitation>
B, F). Both species also have reduced orbits and eyestalks, likely adaptations to their cavernicolous habitats. On the other hand, more characters are shared between
<taxonomicName id="4C104D79FFED3D2C73D3CF2DFBAC2A70" ID-CoL="3HLFW" box="[911,1038,1123,1148]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="leimomi" status="sp. nov.">
<emphasis id="B964EAE8FFED3D2C73D3CF2DFBAC2A70" box="[911,1038,1123,1148]" italics="true" pageId="2" pageNumber="3">G. leimomi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2575793FFED3D2C7449CF2CFBFA2A70" box="[1045,1112,1122,1148]" pageId="2" pageNumber="3" rank="species">
<emphasis id="B964EAE8FFED3D2C7449CF2CFBFA2A70" bold="true" box="[1045,1112,1122,1148]" pageId="2" pageNumber="3">n. sp.</emphasis>
</taxonomicNameLabel>
, and
<taxonomicName id="4C104D79FFED3D2C74C5CF2DFAB32A70" ID-CoL="3HLFX" box="[1177,1297,1123,1148]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="paulayi" status="sp. nov.">
<emphasis id="B964EAE8FFED3D2C74C5CF2DFAB32A70" box="[1177,1297,1123,1148]" italics="true" pageId="2" pageNumber="3">G. paulayi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2575793FFED3D2C7545CF2CFAF92A70" box="[1305,1371,1122,1148]" pageId="2" pageNumber="3" rank="species">
<emphasis id="B964EAE8FFED3D2C7545CF2CFAF12A70" bold="true" box="[1305,1363,1122,1148]" pageId="2" pageNumber="3">n. sp</emphasis>
.
</taxonomicNameLabel>
Both possess transverse rows of granules on the anterior regions of the carapace, which are basally conjoined and relatively conspicuous, the anterolateral teeth are spiniform (more lobate in
<taxonomicName id="4C104D79FFED3D2C744ACFE3FB1B2ACA" ID-CoL="3HLFY" box="[1046,1209,1197,1222]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="troglophila">
<emphasis id="B964EAE8FFED3D2C744ACFE3FB1B2ACA" box="[1046,1209,1197,1222]" italics="true" pageId="2" pageNumber="3">G. troglophila</emphasis>
</taxonomicName>
,
<figureCitation id="132B2A7FFFED3D2C7494CFE3FAA02ACB" box="[1224,1282,1197,1223]" captionStart="FIGURE 1" captionStartId="4.[151,255,1576,1600]" captionTargetBox="[151,1436,271,1551]" captionTargetId="figure@4.[151,1436,271,1552]" captionTargetPageId="4" captionText="FIGURE 1. Guitonia leimomi n. sp., holotype male, 15.5 × 9.7 mm (ZRC 2010.0277), Hawaiian Is., A, dorsal view, B, frontal view; Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 mm (ZRC 2010.0278), Guam, C, dorsal view, D, frontal view; Guitonia troglophila Garth &amp; Iliffe, 1992, holotype female, 14.2 × 9.7 mm (LACM CR 19871671), Galápagos, E, dorsal view, F, frontal view." httpUri="https://zenodo.org/record/199404/files/figure.png" pageId="2" pageNumber="3">Fig 1</figureCitation>
A, C, E), the front is nearly straight (angled posteriorly with a relatively large V-shaped notch in
<taxonomicName id="4C104D79FFED3D2C7431CF9DFAB32AE0" ID-CoL="3HLFY" box="[1133,1297,1235,1260]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="troglophila">
<emphasis id="B964EAE8FFED3D2C7431CF9DFAB32AE0" box="[1133,1297,1235,1260]" italics="true" pageId="2" pageNumber="3">G. troglophila</emphasis>
</taxonomicName>
,
<figureCitation id="132B2A7FFFED3D2C757CCF9CFAFB2AE0" box="[1312,1369,1234,1260]" captionStart="FIGURE 1" captionStartId="4.[151,255,1576,1600]" captionTargetBox="[151,1436,271,1551]" captionTargetId="figure@4.[151,1436,271,1552]" captionTargetPageId="4" captionText="FIGURE 1. Guitonia leimomi n. sp., holotype male, 15.5 × 9.7 mm (ZRC 2010.0277), Hawaiian Is., A, dorsal view, B, frontal view; Guitonia paulayi n. sp., holotype male, 11.2 × 7.3 mm (ZRC 2010.0278), Guam, C, dorsal view, D, frontal view; Guitonia troglophila Garth &amp; Iliffe, 1992, holotype female, 14.2 × 9.7 mm (LACM CR 19871671), Galápagos, E, dorsal view, F, frontal view." httpUri="https://zenodo.org/record/199404/files/figure.png" pageId="2" pageNumber="3">Fig 1</figureCitation>
A, C, E), and subequal, homomorphic chelae with smooth fingers of the minor chelae (unequal, dimorphic chelae with granular fixed fingers of the minor chela in
<taxonomicName id="4C104D79FFED3D2C7288CE53FCD52B3A" ID-CoL="3HLFY" box="[724,887,1309,1334]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="troglophila">
<emphasis id="B964EAE8FFED3D2C7288CE53FCD52B3A" box="[724,887,1309,1334]" italics="true" pageId="2" pageNumber="3">G. troglophila</emphasis>
</taxonomicName>
). The two latter species have the same general G1 shape, moderately stout, distally twisted and recurved, and ornamented with several long, simple subapical setae. Unfortunately, no males of
<taxonomicName id="4C104D79FFED3D2C72C7CE26FC9D2B8D" ID-CoL="3HLFY" box="[667,831,1384,1409]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="troglophila">
<emphasis id="B964EAE8FFED3D2C72C7CE26FC9D2B8D" box="[667,831,1384,1409]" italics="true" pageId="2" pageNumber="3">G. troglophila</emphasis>
</taxonomicName>
are known and comparisons are not really possible at this time. The number of differences between
<taxonomicName id="4C104D79FFED3D2C7288CEC3FCF12BAA" ID-CoL="3HLFW" box="[724,851,1421,1446]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="leimomi" status="sp. nov.">
<emphasis id="B964EAE8FFED3D2C7288CEC3FCF12BAA" box="[724,851,1421,1446]" italics="true" pageId="2" pageNumber="3">G. leimomi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2575793FFED3D2C7307CEC3FC3C2BAB" box="[859,926,1421,1447]" pageId="2" pageNumber="3" rank="species">
<emphasis id="B964EAE8FFED3D2C7307CEC3FC3C2BAB" bold="true" box="[859,926,1421,1447]" pageId="2" pageNumber="3">n. sp.</emphasis>
</taxonomicNameLabel>
, and
<taxonomicName id="4C104D79FFED3D2C7383CEC3FBF52BAA" ID-CoL="3HLFX" box="[991,1111,1421,1446]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="paulayi" status="sp. nov.">
<emphasis id="B964EAE8FFED3D2C7383CEC3FBF52BAA" box="[991,1111,1421,1446]" italics="true" pageId="2" pageNumber="3">G. paulayi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2575793FFED3D2C7403CEC3FB002BAB" box="[1119,1186,1421,1447]" pageId="2" pageNumber="3" rank="species">
<emphasis id="B964EAE8FFED3D2C7403CEC3FB002BAB" bold="true" box="[1119,1186,1421,1447]" pageId="2" pageNumber="3">n. sp.</emphasis>
</taxonomicNameLabel>
, on one hand, and
<taxonomicName id="4C104D79FFED3D2C75DFCEC3FEB92BC0" ID-CoL="3HLFY" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="troglophila">
<emphasis id="B964EAE8FFED3D2C75DFCEC3FEB92BC0" italics="true" pageId="2" pageNumber="3">G. troglophila</emphasis>
</taxonomicName>
, on the other suggests that they may not be congeneric. This can probably only be resolved once male specimens of
<taxonomicName id="4C104D79FFED3D2C7124CE96FDB92BFD" ID-CoL="3HLFY" box="[376,539,1496,1521]" class="Malacostraca" family="Xanthidae" genus="Guitonia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="troglophila">
<emphasis id="B964EAE8FFED3D2C7124CE96FDB92BFD" box="[376,539,1496,1521]" italics="true" pageId="2" pageNumber="3">G. troglophila</emphasis>
</taxonomicName>
are found.
</paragraph>
</subSubSection>
</treatment>
</document>
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