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<document id="38F7B094AC2976195F9DEDE857EE74A0" ID-DOI="10.5281/zenodo.177158" ID-GBIF-Dataset="730b23f8-2a71-47d5-86cb-81817fa874d6" ID-ISSN="1175-5326" ID-Zenodo-Dep="177158" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459852190479" checkinUser="plazi" docAuthor="Ng, Peter K. L. &amp; Mclay, Colin L." docDate="2007" docId="78598791FFD0FFF5F482CC22FA3F9B54" docLanguage="en" docName="zt01505p050.pdf" docOrigin="Zootaxa 1505" docStyle="DocumentStyle:6581673A57F01A3145754A1E615EDFF0.4:Zootaxa.2007-2008.journal_article" docStyleId="6581673A57F01A3145754A1E615EDFF0" docStyleName="Zootaxa.2007-2008.journal_article" docStyleVersion="4" docTitle="Euryxanthops chiltoni Ng &amp; Mclay, 2007, new species" docType="treatment" docVersion="9" lastPageNumber="43" masterDocId="8460FFE9FFD1FFF3F415C838FFA59A7E" masterDocTitle="Two new species of deep-water xanthid crabs of the genera Euryxanthops Garth &amp; Kim, 1983, and Medaeops Guinot, 1967 (Crustacea: Decapoda: Brachyura: Xanthidae) from New Zealand" masterLastPageNumber="50" masterPageNumber="37" pageNumber="38" updateTime="1698225414010" updateUser="plazi">
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<mods:title id="366767464FC6AC71722375CD267783BB">Two new species of deep-water xanthid crabs of the genera Euryxanthops Garth &amp; Kim, 1983, and Medaeops Guinot, 1967 (Crustacea: Decapoda: Brachyura: Xanthidae) from New Zealand</mods:title>
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<mods:namePart id="DC62D588757D2DC0FC066A66D1A47DDF">Ng, Peter K. L.</mods:namePart>
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<mods:namePart id="570C5127CC71380EDDD50CB1BF3C9431">Mclay, Colin L.</mods:namePart>
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<mods:title id="8B1989A7587949CB994889330969598D">Zootaxa</mods:title>
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<mods:date id="8010D247C38A3421A5EEEE16C1E9F7D9">2007</mods:date>
<mods:detail id="8F6E8C0FC79D97D1EC97E0A67248E65D" type="volume">
<mods:number id="165002D74A3B8191AE51C91CC7EDE94D">1505</mods:number>
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<mods:classification id="64E5082845179EC36C1708B88AAB1008">journal article</mods:classification>
<mods:identifier id="D81B0B64EA8177D3A68819EAFFAF05CD" type="DOI">10.5281/zenodo.177158</mods:identifier>
<mods:identifier id="DDBB06AD6BC3AB6D28625BE2FC35568B" type="GBIF-Dataset">730b23f8-2a71-47d5-86cb-81817fa874d6</mods:identifier>
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<mods:identifier id="7BD4B0FCE210FB2EC6EA8EE0E12EFD5A" type="Zenodo-Dep">177158</mods:identifier>
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<treatment id="78598791FFD0FFF5F482CC22FA3F9B54" ID-DOI="http://doi.org/10.5281/zenodo.5620472" ID-GBIF-Taxon="119362611" ID-Zenodo-Dep="5620472" LSID="urn:lsid:plazi:treatment:78598791FFD0FFF5F482CC22FA3F9B54" httpUri="http://treatment.plazi.org/id/78598791FFD0FFF5F482CC22FA3F9B54" lastPageId="6" lastPageNumber="43" pageId="1" pageNumber="38">
<subSubSection id="B8EA650CFFD0FFF2F482CC22FEA19E29" pageId="1" pageNumber="38" type="nomenclature">
<paragraph id="F04F3687FFD0FFF2F482CC22FDE19E4A" blockId="1.[151,580,1050,1111]" box="[151,580,1050,1076]" pageId="1" pageNumber="38">
<heading id="AB0781EBFFD0FFF2F482CC22FDE19E4A" bold="true" box="[151,580,1050,1076]" fontSize="11" level="1" pageId="1" pageNumber="38" reason="1">
<emphasis id="C284EA95FFD0FFF2F482CC22FDE19E4A" bold="true" box="[151,580,1050,1076]" pageId="1" pageNumber="38">
<taxonomicName id="37F04D04FFD0FFF2F482CC22FE039E4A" ID-CoL="3D8D7" box="[151,422,1050,1076]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="38" phylum="Arthropoda" rank="species" species="chiltoni" status="sp. nov.">
<emphasis id="C284EA95FFD0FFF2F482CC22FE039E4A" bold="true" box="[151,422,1050,1076]" italics="true" pageId="1" pageNumber="38">Euryxanthops chiltoni</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="D9B757EEFFD0FFF2F5A0CC22FDE19E4A" box="[437,580,1050,1076]" pageId="1" pageNumber="38" rank="species">new species</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="F04F3687FFD0FFF2F482CC05FEA19E29" blockId="1.[151,580,1050,1111]" box="[151,260,1085,1111]" pageId="1" pageNumber="38">
<figureCitation id="68CB2A02FFD0FFF2F482CC05FEA19E29" box="[151,260,1085,1111]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStartId-0="2.[151,255,1971,1995]" captionStartId-1="3.[151,255,1480,1504]" captionStartId-2="4.[151,255,1254,1278]" captionTargetBox-0="[253,1342,182,1961]" captionTargetBox-1="[400,1185,195,1456]" captionTargetBox-2="[161,1426,208,1210]" captionTargetId-0="figure@2.[253,1343,182,1963]" captionTargetId-1="figure@3.[400,1186,194,1456]" captionTargetId-2="figure@4.[151,1436,194,1230]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionTargetPageId-2="4" captionText-0="FIGURE 1. Euryxanthops chiltoni, new species. Holotype female. A, dorsal overall view; B, frontal view of carapace; C, buccal cavity showing right third maxilliped." captionText-1="FIGURE 2. Euryxanthops chiltoni, new species. Holotype female. A, ventral carapace view; B, outer view of right chela; C, outer view of left chela." captionText-2="FIGURE 3. Euryxanthops chiltoni, new species. Holotype female. A, dorsal surface of carapace; B, right anterior part of carapace; C, left third maxilliped; D, right fourth ambulatory leg; E, dorsal view of right cheliped; F, outer view of right chela. Scales A, D – F = 5.0 mm; B, C = 2.0 mm." httpUri-0="https://zenodo.org/record/177159/files/figure.png" httpUri-1="https://zenodo.org/record/177160/files/figure.png" httpUri-2="https://zenodo.org/record/177161/files/figure.png" pageId="1" pageNumber="38">Figs. 1–3</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="B8EA650CFFD0FFF2F482CCB5FCA09E89" pageId="1" pageNumber="38" type="materials_examined">
<paragraph id="F04F3687FFD0FFF2F482CCB5FCA09E89" blockId="1.[151,1437,1165,1991]" pageId="1" pageNumber="38">
<emphasis id="C284EA95FFD0FFF2F482CCB5FE2B9ED9" bold="true" box="[151,398,1165,1191]" pageId="1" pageNumber="38">Material examined:</emphasis>
<typeStatus id="2F4B8825FFD0FFF2F582CCB5FDAC9ED9" box="[407,521,1165,1191]" pageId="1" pageNumber="38" type="holotype">Holotype</typeStatus>
: female, 31.2 by
<quantity id="37089B62FFD0FFF2F6C3CCB5FCE69ED9" box="[726,835,1165,1191]" metricMagnitude="-2" metricUnit="m" metricValue="2.2399999999999998" pageId="1" pageNumber="38" unit="mm" value="22.4">22.4 mm</quantity>
, station DR02A/16, McCauley Caldera, Kermadec Islands,
<collectingCountry id="88E77617FFD0FFF2F4ECCC8DFE3F9EB1" box="[249,410,1205,1231]" name="New Zealand" pageId="1" pageNumber="38">New Zealand</collectingCountry>
,
<geoCoordinate id="95C45040FFD0FFF2F5B2CC8DFDBB9EB1" box="[423,542,1205,1231]" direction="south" orientation="latitude" pageId="1" pageNumber="38" precision="92" value="-30.213333">30º12.8’S</geoCoordinate>
,
<geoCoordinate id="95C45040FFD0FFF2F63ECC8DFD079EB1" box="[555,674,1205,1231]" direction="west" orientation="longitude" pageId="1" pageNumber="38" precision="925" value="-178.03334">178º02’W</geoCoordinate>
,
<quantity id="37089B62FFD0FFF2F6A5CC8DFD5E9EB1" box="[688,763,1205,1231]" metricMagnitude="2" metricUnit="m" metricValue="2.0" pageId="1" pageNumber="38" unit="m" value="200.0">200 m</quantity>
, coll. R.V.
<taxonomicName id="37F04D04FFD0FFF2F79ECC8DFC5E9EB0" box="[907,1019,1205,1230]" class="Arachnida" family="Uloboridae" genus="Tangaroa" kingdom="Animalia" order="Araneae" pageId="1" pageNumber="38" phylum="Arthropoda" rank="genus">
<emphasis id="C284EA95FFD0FFF2F79ECC8DFC5E9EB0" box="[907,1019,1205,1230]" italics="true" pageId="1" pageNumber="38">Tangaroa</emphasis>
</taxonomicName>
,
<date id="844E1047FFD0FFF2F01ECC8DFB089EB1" box="[1035,1197,1205,1231]" pageId="1" pageNumber="38" value="2002-05-10">10 May 2002</date>
.
<typeStatus id="2F4B8825FFD0FFF2F0ACCC8DFA819EB1" box="[1209,1316,1205,1231]" pageId="1" pageNumber="38" type="paratype">Paratype</typeStatus>
: 1 ovigerous female, 31.4 by
<quantity id="37089B62FFD0FFF2F591CCE5FE559E89" box="[388,496,1245,1271]" metricMagnitude="-2" metricUnit="m" metricValue="2.13" pageId="1" pageNumber="38" unit="mm" value="21.3">21.3 mm</quantity>
, same data as
<typeStatus id="2F4B8825FFD0FFF2F682CCE5FCA49E89" box="[663,769,1245,1271]" pageId="1" pageNumber="38" type="holotype">holotype</typeStatus>
.
</paragraph>
</subSubSection>
<subSubSection id="B8EA650CFFD0FFF7F4D3CD3DFE629D0F" lastPageId="4" lastPageNumber="41" pageId="1" pageNumber="38" type="description">
<paragraph id="F04F3687FFD0FFF2F4D3CD3DFF6E9DB9" blockId="1.[151,1437,1165,1991]" pageId="1" pageNumber="38">
<emphasis id="C284EA95FFD0FFF2F4D3CD3DFDF59F61" bold="true" box="[198,592,1285,1311]" pageId="1" pageNumber="38">
Description of
<typeStatus id="2F4B8825FFD0FFF2F594CD3DFE499F61" box="[385,492,1285,1311]" pageId="1" pageNumber="38" type="holotype">holotype</typeStatus>
female.
</emphasis>
Carapace distinctly broader than long, ratio 1.4 – 1.5, regions distinct, with grooves demarcating gastric regions relatively deeper, distinct, 1–4M well defined, 2M entire, without longitudinal or transverse grooves; anterior part of 3M elongate, distinct; 1–4L discernible; 5L, 6L indistinct; 1–3R demarcated as one region; 1P, 2P one region; dorsal surface distinctly granular, with those on anterior parts relatively larger; fronto-orbital region (1F, 2F) marked by shallow depression. Front produced slightly beyond orbits; weakly bilobed, truncate lobes separated by small, shallow cleft; margin gently convex, granular; lateral frontal lobe small, triangular, separated from frontal lobes by deep notch. Orbits oblique, small; cornea well developed; ocular peduncle with several tubercles. Supraorbital margin concave, granular with distinct fissure on outer two-thirds of margin; external orbital tooth very low, lobiform, broadly triangular, not sharp, inner margin gently concave, outer margin gently convex, margins granulated. Infraorbital margin granular, with low proximal tooth, just visible from dorsal view; rest of margin concave, granulated. Anterolateral margin convex, with numerous granules; with four lobiform teeth (first extends from external orbital corner), first to third progressively more acute, smaller, directed laterally; margins sub-cristate. Posterolateral margin granular, gently concave, converging towards gently sinuous posterior margin of carapace. Antennules folding transversely. Antennal flagellum short, passes through open orbital hiatus; basal article relatively short, subrectangular, surface granular. Posterior margin of epistome sinuous, with median fissure. Endostome without discernible ridges. Sub-orbital, sub-hepatic, pterygostomial, sub-branchial regions prominently granular.
</paragraph>
<caption id="A48F660FFFD3FFF1F482CF8BFD329D8C" httpUri="https://zenodo.org/record/177159/files/figure.png" pageId="2" pageNumber="39" targetBox="[253,1342,182,1961]" targetPageId="2">
<paragraph id="F04F3687FFD3FFF1F482CF8BFD329D8C" blockId="2.[151,1436,1971,2034]" pageId="2" pageNumber="39">
<emphasis id="C284EA95FFD3FFF1F482CF8BFEBF9DB5" bold="true" box="[151,282,1971,1995]" pageId="2" pageNumber="39">FIGURE 1.</emphasis>
<taxonomicName id="37F04D04FFD3FFF1F537CF8CFDAA9DB5" box="[290,527,1972,1995]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="39" phylum="Arthropoda" rank="species" species="chiltoni" status="sp. nov.">
<emphasis id="C284EA95FFD3FFF1F537CF8CFDAA9DB5" box="[290,527,1972,1995]" italics="true" pageId="2" pageNumber="39">Euryxanthops chiltoni</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="D9B757EEFFD3FFF1F60BCF8CFD079DB5" box="[542,674,1972,1995]" pageId="2" pageNumber="39" rank="species">new species</taxonomicNameLabel>
. Holotype female. A, dorsal overall view; B, frontal view of carapace; C, buccal cavity showing right third maxilliped.
</paragraph>
</caption>
<caption id="A48F660FFFD2FFF0F482CDF0FE5E9C7C" httpUri="https://zenodo.org/record/177160/files/figure.png" pageId="3" pageNumber="40" targetBox="[400,1185,195,1456]" targetPageId="3">
<paragraph id="F04F3687FFD2FFF0F482CDF0FE5E9C7C" blockId="3.[151,1435,1480,1538]" pageId="3" pageNumber="40">
<emphasis id="C284EA95FFD2FFF0F482CDF0FEB99F9E" bold="true" box="[151,284,1480,1504]" pageId="3" pageNumber="40">FIGURE 2.</emphasis>
<taxonomicName id="37F04D04FFD2FFF0F533CDF1FDB29F9E" box="[294,535,1481,1504]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="40" phylum="Arthropoda" rank="species" species="chiltoni" status="sp. nov.">
<emphasis id="C284EA95FFD2FFF0F533CDF1FDB29F9E" box="[294,535,1481,1504]" italics="true" pageId="3" pageNumber="40">Euryxanthops chiltoni</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="D9B757EEFFD2FFF0F632CDF0FD089FA1" box="[551,685,1480,1503]" pageId="3" pageNumber="40" rank="species">new species</taxonomicNameLabel>
. Holotype female. A, ventral carapace view; B, outer view of right chela; C, outer view of left chela.
</paragraph>
</caption>
<paragraph id="F04F3687FFD2FFF0F4D3CE0EFBDE9CB6" blockId="3.[151,1436,1590,2016]" pageId="3" pageNumber="40">Outer surface of third maxilliped finely granulose. Ischium subrectangular, with shallow submedian longitudinal sulcus, separated from basis by shallow suture. Merus quadrate, medially depressed, antero-external margin angular but not prominently produced outwards, not covering exopod. Exopod relatively stout proximally, distal part reaching to about three-quarters length of merus; flagellum distinct.</paragraph>
<paragraph id="F04F3687FFD2FFF0F4D3CEEEFC3A9D9E" blockId="3.[151,1436,1590,2016]" pageId="3" pageNumber="40">Chelipeds asymmetrical; outer surfaces of merus, carpus, chelae granular to rugose. Carpus sub-hexagonal, with uneven granular ridge on outer surface; inner distal angle dentiform, prominent. Merus short, trigonal in cross-section; dorsal margin with low but prominent sub-distal tooth. Chelae stout; fingers two-thirds length of palm, pigmented black; with uneven, low teeth on cutting edges. On larger right chela, outer surface of dactylus with two longitudinal pitted grooves; pollex with a deep sub-marginal groove which runs along length of finger, reaching partially into palm. Grooves on outer surface of fingers of smaller chela similar to that of larger chela but grooves distinctly deeper, more prominent.</paragraph>
<caption id="A48F660FFFD5FFF7F482CCDEFD3C9F3D" httpUri="https://zenodo.org/record/177161/files/figure.png" pageId="4" pageNumber="41" targetBox="[161,1426,208,1210]" targetPageId="4">
<paragraph id="F04F3687FFD5FFF7F482CCDEFD3C9F3D" blockId="4.[151,1436,1254,1347]" pageId="4" pageNumber="41">
<emphasis id="C284EA95FFD5FFF7F482CCDEFEBD9E80" bold="true" box="[151,280,1254,1278]" pageId="4" pageNumber="41">FIGURE 3.</emphasis>
<taxonomicName id="37F04D04FFD5FFF7F50ACCDFFDAF9E80" box="[287,522,1255,1278]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="41" phylum="Arthropoda" rank="species" species="chiltoni" status="sp. nov.">
<emphasis id="C284EA95FFD5FFF7F50ACCDFFDAF9E80" box="[287,522,1255,1278]" italics="true" pageId="4" pageNumber="41">Euryxanthops chiltoni</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="D9B757EEFFD5FFF7F60DCCDEFD3E9E83" box="[536,667,1254,1277]" pageId="4" pageNumber="41" rank="species">new species</taxonomicNameLabel>
. Holotype female. A, dorsal surface of carapace; B, right anterior part of carapace; C, left third maxilliped; D, right fourth ambulatory leg; E, dorsal view of right cheliped; F, outer view of right chela. Scales A, D–F = 5.0 mm; B, C = 2.0 mm.
</paragraph>
</caption>
<paragraph id="F04F3687FFD5FFF7F4D3CD4FFC349C27" blockId="4.[151,1437,1399,2025]" pageId="4" pageNumber="41">Ambulatory legs with second pair longest. Margins of all segments smooth or gently rugose. Merus glabrous, with dorsal margin cristate, distal angle dentiform but not sharp, sub-distal angle present, sharply demarcated from rest of margin by deep notch; ventral margins angular to rounded, not cristate. Carpus relatively short, with distinct shallow longitudinal sub-medial groove, sparsely setose. Propodus ovate to subovate, laterally flattened, setose, unarmed. Dactylus covered with dense short setae, appears velvet-like; straight for most of length except for curved distal corneous part.</paragraph>
<paragraph id="F04F3687FFD5FFF7F4D3CE5FFC649D5F" blockId="4.[151,1437,1399,2025]" pageId="4" pageNumber="41">
Thoracic sternum broad, entire surface finely granular; sternites 1, 2 fused; suture between sternites 3, 4 deep, complete; suture between sternites 3, 4 medially interrupted, only visible laterally. Gonopore without operculum, lunate (1.5 x
<quantity id="37089B62FFD5FFF7F5C7CE8FFD8C9CAF" box="[466,553,1719,1745]" metricMagnitude="-4" metricUnit="m" metricValue="6.0" pageId="4" pageNumber="41" unit="mm" value="0.6">0.6mm</quantity>
), scarcely visible in ventral view, only accessible by gonopods that are strongly curved laterally. Abdomen with all segments, telson freely moveable; broadly ovate, covering most of thoracic sternum; margins prominently setose; telson semicircular.
</paragraph>
<paragraph id="F04F3687FFD5FFF7F4D3CF16FE629D0F" blockId="4.[151,1437,1399,2025]" pageId="4" pageNumber="41">
<emphasis id="C284EA95FFD5FFF7F4D3CF16FE389D36" bold="true" box="[198,413,1838,1864]" pageId="4" pageNumber="41">
<typeStatus id="2F4B8825FFD5FFF7F4D3CF16FE9D9D36" box="[198,312,1838,1864]" pageId="4" pageNumber="41" type="paratype">Paratype</typeStatus>
female.
</emphasis>
The
<typeStatus id="2F4B8825FFD5FFF7F5F4CF17FDE39D37" box="[481,582,1839,1865]" pageId="4" pageNumber="41" type="paratype">paratype</typeStatus>
female is ovigerous but otherwise agrees very well with the
<typeStatus id="2F4B8825FFD5FFF7F123CF17FA399D37" box="[1334,1436,1839,1865]" pageId="4" pageNumber="41" type="holotype">holotype</typeStatus>
female in all key features.
</paragraph>
</subSubSection>
<subSubSection id="B8EA650CFFD5FFF7F4D3CF46FABE9D97" pageId="4" pageNumber="41" type="etymology">
<paragraph id="F04F3687FFD5FFF7F4D3CF46FABE9D97" blockId="4.[151,1437,1399,2025]" pageId="4" pageNumber="41">
<emphasis id="C284EA95FFD5FFF7F4D3CF46FEF69DE6" bold="true" box="[198,339,1918,1944]" pageId="4" pageNumber="41">Etymology.</emphasis>
The name of the new species of
<taxonomicName id="37F04D04FFD5FFF7F6DACF47FCD79DE6" box="[719,882,1919,1944]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="41" phylum="Arthropoda" rank="genus">
<emphasis id="C284EA95FFD5FFF7F6DACF47FCD79DE6" box="[719,882,1919,1944]" italics="true" pageId="4" pageNumber="41">Euryxanthops</emphasis>
</taxonomicName>
recognizes the contribution of Charles Chilton, Canterbury College (now Canterbury University), to the study of
<collectingCountry id="88E77617FFD5FFF7F78BCF9FFB999DBF" box="[926,1084,1959,1985]" name="New Zealand" pageId="4" pageNumber="41">New Zealand</collectingCountry>
Crustacea as a whole and the Kermadec Is. in particular.
<bibRefCitation id="94614B76FFD5FFF7F5C3CFF7FD279D97" author="Chilton" box="[470,642,1999,2025]" pageId="4" pageNumber="50" refString="Chilton, C. (1911). The Crustacea of the Kermadec Islands. Transactions of the New Zealand Institute, 43, 544 - 573." type="journal article" year="1911">Chilton (1911)</bibRefCitation>
compiled the first list of the
<taxonomicName id="37F04D04FFD5FFF7F7C0CFF7FBEA9D97" box="[981,1103,1999,2025]" class="Mammalia" family="Colubridae" genus="Brachyura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="50" phylum="Chordata" rank="genus">Brachyura</taxonomicName>
from the islands.
</paragraph>
</subSubSection>
<subSubSection id="B8EA650CFFD4FFF6F4D3C8AFFB3598C4" pageId="5" pageNumber="42" type="discussion">
<paragraph id="F04F3687FFD4FFF6F4D3C8AFFD1A9814" blockId="5.[151,1437,151,618]" pageId="5" pageNumber="42">
<emphasis id="C284EA95FFD4FFF6F4D3C8AFFEE59ACF" bold="true" box="[198,320,151,177]" pageId="5" pageNumber="42">Remarks.</emphasis>
Although it is unfortunate that
<taxonomicName id="37F04D04FFD4FFF6F6BAC8A0FC8C9ACF" box="[687,809,152,177]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="chiltoni">
<emphasis id="C284EA95FFD4FFF6F6BAC8A0FC8C9ACF" box="[687,809,152,177]" italics="true" pageId="5" pageNumber="42">E. chiltoni</emphasis>
</taxonomicName>
is known only from two adult females, it is nevertheless a distinct taxon, easily distinguished from all congeners. In terms of the anterolateral carapace margin
<taxonomicName id="37F04D04FFD4FFF6F196C8F8FF549B7F" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="chiltoni">
<emphasis id="C284EA95FFD4FFF6F196C8F8FF549B7F" italics="true" pageId="5" pageNumber="42">E. chiltoni</emphasis>
</taxonomicName>
is closest to
<taxonomicName id="37F04D04FFD4FFF6F580C8D0FDEA9B7F" box="[405,591,232,257]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="flexidentatus">
<emphasis id="C284EA95FFD4FFF6F580C8D0FDEA9B7F" box="[405,591,232,257]" italics="true" pageId="5" pageNumber="42">E. flexidentatus</emphasis>
</taxonomicName>
and
<taxonomicName id="37F04D04FFD4FFF6F69AC8D0FCB09B7F" box="[655,789,232,257]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="latifrons">
<emphasis id="C284EA95FFD4FFF6F69AC8D0FCB09B7F" box="[655,789,232,257]" italics="true" pageId="5" pageNumber="42">E. latifrons</emphasis>
</taxonomicName>
by having four well developed and distinct marginal teeth.
<taxonomicName id="37F04D04FFD4FFF6F4CAC928FEFE9B57" box="[223,347,272,297]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="chiltoni">
<emphasis id="C284EA95FFD4FFF6F4CAC928FEFE9B57" box="[223,347,272,297]" italics="true" pageId="5" pageNumber="42">E. chiltoni</emphasis>
</taxonomicName>
most closely resembles
<taxonomicName id="37F04D04FFD4FFF6F66BC928FCE29B57" box="[638,839,272,297]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="dorsiconvexus">
<emphasis id="C284EA95FFD4FFF6F66BC928FCE29B57" box="[638,839,272,297]" italics="true" pageId="5" pageNumber="42">E. dorsiconvexus</emphasis>
</taxonomicName>
from the
<collectingCountry id="88E77617FFD4FFF6F7A8C928FBE49B54" box="[957,1089,272,298]" name="Philippines" pageId="5" pageNumber="42">Philippines</collectingCountry>
in terms of its granular carapace and chelipeds.
<taxonomicName id="37F04D04FFD4FFF6F596C900FD229B2F" box="[387,647,312,337]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="chiltoni">
<emphasis id="C284EA95FFD4FFF6F596C900FD229B2F" box="[387,647,312,337]" italics="true" pageId="5" pageNumber="42">Euryxanthops chiltoni</emphasis>
</taxonomicName>
, however, has a far more granular carapace and chelipeds, with the granules (and rugae) prominent even to the naked eye, being denser and larger. In addition the anterior margins of the gastric regions of
<taxonomicName id="37F04D04FFD4FFF6F5FFC9B0FDC69BDF" box="[490,611,392,417]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="chiltoni">
<emphasis id="C284EA95FFD4FFF6F5FFC9B0FDC69BDF" box="[490,611,392,417]" italics="true" pageId="5" pageNumber="42">E. chiltoni</emphasis>
</taxonomicName>
are marked by a low but prominent crest of granules, absent in
<taxonomicName id="37F04D04FFD4FFF6F15CC9B0FEB39BB7" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="dorsiconvexus">
<emphasis id="C284EA95FFD4FFF6F15CC9B0FEB39BB7" italics="true" pageId="5" pageNumber="42">E. dorsiconvexus</emphasis>
</taxonomicName>
. The carapace of
<taxonomicName id="37F04D04FFD4FFF6F5FCC988FDC19BB7" box="[489,612,432,457]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="chiltoni">
<emphasis id="C284EA95FFD4FFF6F5FCC988FDC19BB7" box="[489,612,432,457]" italics="true" pageId="5" pageNumber="42">E. chiltoni</emphasis>
</taxonomicName>
is also more hexagonal in shape than
<taxonomicName id="37F04D04FFD4FFF6F030C988FB489BB7" box="[1061,1261,432,457]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="dorsiconvexus">
<emphasis id="C284EA95FFD4FFF6F030C988FB489BB7" box="[1061,1261,432,457]" italics="true" pageId="5" pageNumber="42">E. dorsiconvexus</emphasis>
</taxonomicName>
, due primarily to the more prominent anterolateral teeth and stronger front. The carpus of the cheliped of
<taxonomicName id="37F04D04FFD4FFF6F0F3C9E0FAC69B8F" box="[1254,1379,472,497]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="chiltoni">
<emphasis id="C284EA95FFD4FFF6F0F3C9E0FAC69B8F" box="[1254,1379,472,497]" italics="true" pageId="5" pageNumber="42">E. chiltoni</emphasis>
</taxonomicName>
also bears a low but distinct ridge sub-marginally on the dorsal surface, a structure absent on that of
<taxonomicName id="37F04D04FFD4FFF6F11FCA38FF7D983F" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="dorsiconvexus">
<emphasis id="C284EA95FFD4FFF6F11FCA38FF7D983F" italics="true" pageId="5" pageNumber="42">E. dorsiconvexus</emphasis>
</taxonomicName>
. In addition, the ambulatory legs of
<taxonomicName id="37F04D04FFD4FFF6F699CA10FCAD983F" box="[652,776,552,577]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="chiltoni">
<emphasis id="C284EA95FFD4FFF6F699CA10FCAD983F" box="[652,776,552,577]" italics="true" pageId="5" pageNumber="42">E. chiltoni</emphasis>
</taxonomicName>
are proportionately stouter and shorter than those of
<taxonomicName id="37F04D04FFD4FFF6F196CA10FE9A9817" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="dorsiconvexus">
<emphasis id="C284EA95FFD4FFF6F196CA10FE9A9817" italics="true" pageId="5" pageNumber="42">E. dorsiconvexus</emphasis>
</taxonomicName>
(see
<bibRefCitation id="94614B76FFD4FFF6F569CA68FDFA9814" author="Garth" box="[380,607,592,618]" pageId="5" pageNumber="50" 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>
:
<figureCitation id="68CB2A02FFD4FFF6F67FCA68FD149814" box="[618,689,592,618]" captionStart="FIGURE 2" captionStartId="3.[151,255,1480,1504]" captionTargetBox="[400,1185,195,1456]" captionTargetId="figure@3.[400,1186,194,1456]" captionTargetPageId="3" captionText="FIGURE 2. Euryxanthops chiltoni, new species. Holotype female. A, ventral carapace view; B, outer view of right chela; C, outer view of left chela." httpUri="https://zenodo.org/record/177160/files/figure.png" pageId="5" pageNumber="42">Fig. 2</figureCitation>
).
</paragraph>
<paragraph id="F04F3687FFD4FFF6F482CA98FB3598C4" blockId="5.[151,1168,672,698]" box="[151,1168,672,698]" pageId="5" pageNumber="42">
The size, depth and distribution of the species in this genus are summarized in
<tableCitation id="BD72033CFFD4FFF6F027CA98FB3598C4" box="[1074,1168,672,698]" captionStart="TABLE 1" captionStartId="5.[151,239,753,777]" captionTargetBox="[151,1395,810,1407]" captionTargetPageId="5" captionText="TABLE 1. Size, depth and distribution of the species of Euryxanthops Garth &amp; Kim, 1983" httpUri="http://table.plazi.org/id/A48F660FFFD4FFF6F482CAC9FBF99976" pageId="5" pageNumber="42" tableUuid="A48F660FFFD4FFF6F482CAC9FBF99976">Table 1.</tableCitation>
</paragraph>
</subSubSection>
<caption id="A48F660FFFD4FFF6F482CAC9FBF99976" ID-Table-UUID="A48F660FFFD4FFF6F482CAC9FBF99976" box="[151,1116,753,777]" httpUri="http://table.plazi.org/id/A48F660FFFD4FFF6F482CAC9FBF99976" pageId="5" pageNumber="42" targetBox="[151,1395,810,1407]" targetIsTable="true" targetPageId="5">
<paragraph id="F04F3687FFD4FFF6F482CAC9FBF99976" blockId="5.[151,1116,753,777]" box="[151,1116,753,777]" pageId="5" pageNumber="42">
<emphasis id="C284EA95FFD4FFF6F482CAC9FEAD9977" bold="true" box="[151,264,753,777]" pageId="5" pageNumber="42">TABLE 1.</emphasis>
Size, depth and distribution of the species of
<taxonomicName id="37F04D04FFD4FFF6F6E4CACAFBF99976" authority="Garth &amp; Kim, 1983" authorityName="Garth &amp; Kim" authorityYear="1983" box="[753,1116,753,777]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="genus">
<emphasis id="C284EA95FFD4FFF6F6E4CACAFC209977" box="[753,901,754,777]" italics="true" pageId="5" pageNumber="42">Euryxanthops</emphasis>
Garth &amp; Kim, 1983
</taxonomicName>
</paragraph>
</caption>
<paragraph id="F04F3687FFD4FFF6F48ACB12FDBD9F01" pageId="5" pageNumber="42">
<table id="82F0C427FFD4000CF482CB12FAD69F01" box="[151,1395,810,1407]" gridcols="4" gridrows="8" pageId="5" pageNumber="42">
<tr id="4EC034C5FFD4000CF482CB12FAD6993F" box="[151,1395,810,833]" gridrow="0" pageId="5" pageNumber="42">
<th id="0D115DB9FFD4000CF482CB12FD89993F" box="[151,556,810,833]" gridcol="0" gridrow="0" pageId="5" pageNumber="42">Species</th>
<th id="0D115DB9FFD4000CF644CB12FCD0993F" box="[593,885,810,833]" gridcol="1" gridrow="0" pageId="5" pageNumber="42">Maximum Size (CW x CL)</th>
<th id="0D115DB9FFD4000CF7A4CB12FB92993F" box="[945,1079,810,833]" gridcol="2" gridrow="0" pageId="5" pageNumber="42">Depth range</th>
<th id="0D115DB9FFD4000CF074CB12FAD6993F" box="[1121,1395,810,833]" gridcol="3" gridrow="0" pageId="5" pageNumber="42">Geographical distribution</th>
</tr>
<tr id="4EC034C5FFD4000CF482CB6DFAD699F1" box="[151,1395,853,911]" gridrow="1" pageId="5" pageNumber="42">
<th id="0D115DB9FFD4000CF482CB6DFD8999F1" box="[151,556,853,911]" gridcol="0" gridrow="1" pageId="5" pageNumber="42">
<taxonomicName id="37F04D04FFD4FFF6F48ACB6DFE169912" authority="Sakai,1939" authorityName="Sakai" authorityYear="1939" box="[159,435,853,876]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="orientalis">
<emphasis id="C284EA95FFD4FFF6F48ACB6DFE879912" box="[159,290,853,876]" italics="true" pageId="5" pageNumber="42">E. orientalis</emphasis>
(Sakai,1939)
</taxonomicName>
</th>
<td id="0D115DB9FFD4000CF644CB6DFCD099F1" box="[593,885,853,911]" gridcol="1" gridrow="1" pageId="5" pageNumber="42">Male: 14.2 x 10.1 mm Female: 27.9 x 19.2 mm</td>
<td id="0D115DB9FFD4000CF7A4CB6DFB9299F1" box="[945,1079,853,911]" gridcol="2" gridrow="1" pageId="5" pageNumber="42">85 – 400 m</td>
<td id="0D115DB9FFD4000CF074CB6DFAD699F1" box="[1121,1395,853,911]" gridcol="3" gridrow="1" pageId="5" pageNumber="42">Japan, Taiwan</td>
</tr>
<tr id="4EC034C5FFD4000CF482CB9AFAD699A2" box="[151,1395,930,988]" gridrow="2" pageId="5" pageNumber="42">
<th id="0D115DB9FFD4000CF482CB9AFD8999A2" box="[151,556,930,988]" gridcol="0" gridrow="2" pageId="5" pageNumber="42">
<taxonomicName id="37F04D04FFD4FFF6F48ACB9AFD8999C7" authority="Garth &amp; Kim, 1983" authorityName="Garth &amp; Kim" authorityYear="1983" box="[159,556,930,953]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="dorsiconvexus">
<emphasis id="C284EA95FFD4FFF6F48ACB9AFEF099C7" box="[159,341,930,953]" italics="true" pageId="5" pageNumber="42">E. dorsiconvexus</emphasis>
Garth &amp; Kim, 1983
</taxonomicName>
</th>
<td id="0D115DB9FFD4000CF644CB9AFCD099A2" box="[593,885,930,988]" gridcol="1" gridrow="2" pageId="5" pageNumber="42">Male: 19.7 x 14.5 mm Female: 15.8 x 12.1 mm</td>
<td id="0D115DB9FFD4000CF7A4CB9AFB9299A2" box="[945,1079,930,988]" gridcol="2" gridrow="2" pageId="5" pageNumber="42">550 m</td>
<td id="0D115DB9FFD4000CF074CB9AFAD699A2" box="[1121,1395,930,988]" gridcol="3" gridrow="2" pageId="5" pageNumber="42">Philippines</td>
</tr>
<tr id="4EC034C5FFD4000CF482CBC8FAD69E57" box="[151,1395,1008,1065]" gridrow="3" pageId="5" pageNumber="42">
<th id="0D115DB9FFD4000CF482CBC8FD899E57" box="[151,556,1008,1065]" gridcol="0" gridrow="3" pageId="5" pageNumber="42">
<taxonomicName id="37F04D04FFD4FFF6F48ACBC8FDB99E79" authority="Garth &amp; Kim, 1983" authorityName="Garth &amp; Kim" authorityYear="1983" box="[159,540,1008,1031]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="flexidentatus">
<emphasis id="C284EA95FFD4FFF6F48ACBC8FEE19E79" box="[159,324,1008,1031]" italics="true" pageId="5" pageNumber="42">E. flexidentatus</emphasis>
Garth &amp; Kim, 1983
</taxonomicName>
</th>
<td id="0D115DB9FFD4000CF644CBC8FCD09E57" box="[593,885,1008,1065]" gridcol="1" gridrow="3" pageId="5" pageNumber="42">Male: 20.2 x 14.4 mm Female: unknown</td>
<td id="0D115DB9FFD4000CF7A4CBC8FB929E57" box="[945,1079,1008,1065]" gridcol="2" gridrow="3" pageId="5" pageNumber="42">336 m</td>
<td id="0D115DB9FFD4000CF074CBC8FAD69E57" box="[1121,1395,1008,1065]" gridcol="3" gridrow="3" pageId="5" pageNumber="42">Philippines</td>
</tr>
<tr id="4EC034C5FFD4000CF482CC05FAD69E09" box="[151,1395,1085,1143]" gridrow="4" pageId="5" pageNumber="42">
<th id="0D115DB9FFD4000CF482CC05FD899E09" box="[151,556,1085,1143]" gridcol="0" gridrow="4" pageId="5" pageNumber="42">
<taxonomicName id="37F04D04FFD4FFF6F48ACC05FE3B9E2A" authority="Davie, 1997" authorityName="Davie" authorityYear="1997" box="[159,414,1085,1108]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="latifrons">
<emphasis id="C284EA95FFD4FFF6F48ACC05FEB39E2A" box="[159,278,1085,1108]" italics="true" pageId="5" pageNumber="42">E. latifrons</emphasis>
Davie, 1997
</taxonomicName>
</th>
<td id="0D115DB9FFD4000CF644CC05FCD09E09" box="[593,885,1085,1143]" gridcol="1" gridrow="4" pageId="5" pageNumber="42">Male: unknown Female: 13.7 x 9.6 mm</td>
<td id="0D115DB9FFD4000CF7A4CC05FB929E09" box="[945,1079,1085,1143]" gridcol="2" gridrow="4" pageId="5" pageNumber="42">261 m</td>
<td id="0D115DB9FFD4000CF074CC05FAD69E09" box="[1121,1395,1085,1143]" gridcol="3" gridrow="4" pageId="5" pageNumber="42">Loyalty Islands</td>
</tr>
<tr id="4EC034C5FFD4000CF482CCB2FAD69EBA" box="[151,1395,1162,1220]" gridrow="5" pageId="5" pageNumber="42">
<th id="0D115DB9FFD4000CF482CCB2FD899EBA" box="[151,556,1162,1220]" gridcol="0" gridrow="5" pageId="5" pageNumber="42">
<taxonomicName id="37F04D04FFD4FFF6F48ACCB2FE2E9EDF" authority="Davie, 1997" authorityName="Davie" authorityYear="1997" box="[159,395,1162,1185]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="cepros">
<emphasis id="C284EA95FFD4FFF6F48ACCB2FEA79EDF" box="[159,258,1162,1185]" italics="true" pageId="5" pageNumber="42">E. cepros</emphasis>
Davie, 1997
</taxonomicName>
</th>
<td id="0D115DB9FFD4000CF644CCB2FCD09EBA" box="[593,885,1162,1220]" gridcol="1" gridrow="5" pageId="5" pageNumber="42">Male: 31.3 x 21.7 mm Female: 25.1 x 17.3 mm</td>
<td id="0D115DB9FFD4000CF7A4CCB2FB929EBA" box="[945,1079,1162,1220]" gridcol="2" gridrow="5" pageId="5" pageNumber="42">250 – 300 m</td>
<td id="0D115DB9FFD4000CF074CCB2FAD69EBA" box="[1121,1395,1162,1220]" gridcol="3" gridrow="5" pageId="5" pageNumber="42">Seychelles</td>
</tr>
<tr id="4EC034C5FFD4000CF482CCE0FAD69F6F" box="[151,1395,1240,1297]" gridrow="6" pageId="5" pageNumber="42">
<th id="0D115DB9FFD4000CF482CCE0FD899F6F" box="[151,556,1240,1297]" gridcol="0" gridrow="6" pageId="5" pageNumber="42">
<taxonomicName id="37F04D04FFD4FFF6F48ACCE0FEA89E91" box="[159,269,1240,1263]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="chiltoni" status="sp. nov.">
<emphasis id="C284EA95FFD4FFF6F48ACCE0FEA89E91" box="[159,269,1240,1263]" italics="true" pageId="5" pageNumber="42">E. chiltoni</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="D9B757EEFFD4FFF6F50ECCE0FE3E9E91" box="[283,411,1240,1263]" pageId="5" pageNumber="42" rank="species">new species</taxonomicNameLabel>
</th>
<td id="0D115DB9FFD4000CF644CCE0FCD09F6F" box="[593,885,1240,1297]" gridcol="1" gridrow="6" pageId="5" pageNumber="42">Male: 29.0 x 19.6 mm Female: 31.2 x 22.4 mm</td>
<td id="0D115DB9FFD4000CF7A4CCE0FB929F6F" box="[945,1079,1240,1297]" gridcol="2" gridrow="6" pageId="5" pageNumber="42">200 m</td>
<td id="0D115DB9FFD4000CF074CCE0FAD69F6F" box="[1121,1395,1240,1297]" gridcol="3" gridrow="6" pageId="5" pageNumber="42">Kermadec Islands</td>
</tr>
<tr id="4EC034C5FFD4000CF482CD5DFAD69F01" box="[151,1395,1381,1407]" gridrow="7" pageId="5" pageNumber="42" rowspan-1="1" rowspan-2="1" rowspan-3="1">
<th id="0D115DB9FFD4000CF482CD5DFD899F01" box="[151,556,1381,1407]" gridcol="0" gridrow="7" pageId="5" pageNumber="42">
Key to species of
<taxonomicName id="37F04D04FFD4FFF6F578CD5DFDBD9F01" box="[365,536,1381,1407]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="genus">Euryxanthops</taxonomicName>
</th>
</tr>
</table>
</paragraph>
<subSubSection id="B8EA650CFFD4FFF5F48BCD88FA3F9B54" lastPageId="6" lastPageNumber="43" pageId="5" pageNumber="42" type="key">
<key id="846161B6FFD4FFF5F48BCD88FA3F9B54" lastPageId="6" lastPageNumber="43" pageId="5" pageNumber="42">
<keyStep id="4B042E22FFD4FFF6F48BCD88FA3F9C64" pageId="5" pageNumber="42">
<paragraph id="F04F3687FFD4FFF6F48BCD88FA3C9F8C" blockId="5.[151,1436,1456,2002]" pageId="5" pageNumber="42">
<keyLead id="4B0195B2FFD4FFF6F48BCD88FA3C9F8C" pageId="5" pageNumber="42">
1. Anterolateral carapace margins evenly convex, with lobes separated only by small notches.......................
<emphasis id="C284EA95FFD4FFF6F4D9CDE0FBAD9F8F" box="[204,1032,1496,1521]" italics="true" pageId="5" pageNumber="42">.................................................................................................................</emphasis>
<taxonomicName id="37F04D04FFD4FFF6F019CDE0FA3C9F8C" ID-CoL="3D8D6" authority="Davie, 1997" authorityName="Davie" authorityYear="1997" box="[1036,1433,1496,1522]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="cepros">
<emphasis id="C284EA95FFD4FFF6F019CDE0FAA69F8F" box="[1036,1283,1496,1521]" italics="true" pageId="5" pageNumber="42">Euryxanthops cepros</emphasis>
<bibRefCitation id="94614B76FFD4FFF6F11ECDE0FA3C9F8C" author="Davie" box="[1291,1433,1496,1522]" pageId="5" pageNumber="50" refString="Davie, P. J. F. (1997) Crustacea Decapoda: Deep water Xanthoidea from the South-Western Pacific and Western Indian Ocean. In: A. Crosnier (editor), Resultats des campagnes MUSORSTOM, vol. 18. Memoires du Museum national d'Histoire Naturelle (Paris), 176, 337 - 387." type="book chapter" year="1997">Davie, 1997</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="F04F3687FFD4FFF6F482CE38FA3F9C64" blockId="5.[151,1436,1456,2002]" box="[151,1434,1536,1562]" pageId="5" pageNumber="42">
<keyLead id="4B0195B2FFD4FFF6F482CE38FA3F9C64" box="[151,1434,1536,1562]" pageId="5" pageNumber="42">– Anterolateral lobes well defined, more-or-less distinct ............................................................................... 2</keyLead>
</paragraph>
</keyStep>
<keyStep id="4B042E22FFD4FFF6F482CE10FA3F9CC4" pageId="5" pageNumber="42">
<paragraph id="F04F3687FFD4FFF6F482CE10FA3C9C14" blockId="5.[151,1436,1456,2002]" pageId="5" pageNumber="42">
<keyLead id="4B0195B2FFD4FFF6F482CE10FA3C9C14" pageId="5" pageNumber="42">
2. Front markedly produced beyond carapace outline, a distinct median notch separating two lobes, with margins laterally sloping; 2M anteriorly divided
<emphasis id="C284EA95FFD4FFF6F714CE68FC739C17" box="[769,982,1616,1641]" italics="true" pageId="5" pageNumber="42">.............................</emphasis>
<taxonomicName id="37F04D04FFD4FFF6F7CECE68FA3C9C14" ID-CoL="3D8DB" authority="(Sakai, 1939)" authorityName="Sakai" authorityYear="1939" baseAuthorityName="Sakai" baseAuthorityYear="1939" box="[987,1433,1616,1642]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="orientalis">
<emphasis id="C284EA95FFD4FFF6F7CECE68FB509C17" box="[987,1269,1616,1641]" italics="true" pageId="5" pageNumber="42">Euryxanthops orientalis</emphasis>
(
<bibRefCitation id="94614B76FFD4FFF6F111CE68FA349C14" author="Sakai" box="[1284,1425,1616,1642]" pageId="5" pageNumber="50" refString="Sakai, T. (1939) Studies on the crabs of Japan. IV. Brachygnatha Brachyrhyncha. Tokyo, pp. 365 - 741, pls. 42 - 111." type="book chapter" year="1939">Sakai, 1939</bibRefCitation>
)
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="F04F3687FFD4FFF6F482CE40FA3F9CC4" blockId="5.[151,1436,1456,2002]" pageId="5" pageNumber="42">
<keyLead id="4B0195B2FFD4FFF6F482CE40FA3F9CC4" pageId="5" pageNumber="42">– Front not markedly produced, composed of two straight to almost straight lobes, without strong median incision; 2M entire....................................................................................................................................... 3</keyLead>
</paragraph>
</keyStep>
<keyStep id="4B042E22FFD4FFF6F482CEF0FA3F9D24" pageId="5" pageNumber="42">
<paragraph id="F04F3687FFD4FFF6F482CEF0FA3C9D74" blockId="5.[151,1436,1456,2002]" pageId="5" pageNumber="42">
<keyLead id="4B0195B2FFD4FFF6F482CEF0FA3C9D74" pageId="5" pageNumber="42">
3. Front relatively broad about c. 0.34 times CW; anterolateral margin behind external orbital angle sloping backwards
<emphasis id="C284EA95FFD4FFF6F55CCEC8FC569D77" box="[329,1011,1776,1801]" italics="true" pageId="5" pageNumber="42">.............................................................................................</emphasis>
<taxonomicName id="37F04D04FFD4FFF6F7EDCEC8FA3C9D74" ID-CoL="6HFPQ" authority="Davie, 1997" authorityName="Davie" authorityYear="1997" box="[1016,1433,1776,1802]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="latifrons">
<emphasis id="C284EA95FFD4FFF6F7EDCEC8FAA69D77" box="[1016,1283,1776,1801]" italics="true" pageId="5" pageNumber="42">Euryxanthops latifrons</emphasis>
<bibRefCitation id="94614B76FFD4FFF6F11ECEC8FA3C9D74" author="Davie" box="[1291,1433,1776,1802]" pageId="5" pageNumber="50" refString="Davie, P. J. F. (1997) Crustacea Decapoda: Deep water Xanthoidea from the South-Western Pacific and Western Indian Ocean. In: A. Crosnier (editor), Resultats des campagnes MUSORSTOM, vol. 18. Memoires du Museum national d'Histoire Naturelle (Paris), 176, 337 - 387." type="book chapter" year="1997">Davie, 1997</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="F04F3687FFD4FFF6F482CF20FA3F9D24" blockId="5.[151,1436,1456,2002]" pageId="5" pageNumber="42">
<keyLead id="4B0195B2FFD4FFF6F482CF20FA3F9D24" pageId="5" pageNumber="42">– Front narrower less than 0.3 times CW; anterolateral margin behind external orbital angle only moderately sloping backwards, nearly horizontal or even projecting slightly forwards................................................ 4</keyLead>
</paragraph>
</keyStep>
<keyStep id="4B042E22FFD4FFF6F482CF50FA3F9DAC" pageId="5" pageNumber="42">
<paragraph id="F04F3687FFD4FFF6F482CF50FA3C9DD4" blockId="5.[151,1436,1456,2002]" pageId="5" pageNumber="42">
<keyLead id="4B0195B2FFD4FFF6F482CF50FA3C9DD4" pageId="5" pageNumber="42">
4. Apex of first anterolateral tooth level with, or slightly in advance of rear margin of orbit...........................
<emphasis id="C284EA95FFD4FFF6F4D9CFA8FB089DD7" box="[204,1197,1936,1961]" italics="true" pageId="5" pageNumber="42">
...........................................................................................
<taxonomicName id="37F04D04FFD4FFF6F77ACFA8FB089DD7" ID-CoL="3D8D9" authority="Garth &amp; Kim, 1983" authorityName="Garth &amp; Kim" authorityYear="1983" box="[879,1197,1936,1961]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="42" phylum="Arthropoda" rank="species" species="flexidentatus">Euryxanthops flexidentatus</taxonomicName>
</emphasis>
<bibRefCitation id="94614B76FFD4FFF6F0A1CFA8FA3C9DD4" author="Garth" box="[1204,1433,1936,1962]" pageId="5" pageNumber="50" 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>
</keyLead>
</paragraph>
<paragraph id="F04F3687FFD4FFF6F482CF80FA3F9DAC" blockId="5.[151,1436,1456,2002]" box="[151,1434,1976,2002]" pageId="5" pageNumber="42">
<keyLead id="4B0195B2FFD4FFF6F482CF80FA3F9DAC" box="[151,1434,1976,2002]" pageId="5" pageNumber="42">– Apex of first anterolateral tooth distinctly posterior to rear margin of orbit ............................................... 5</keyLead>
</paragraph>
</keyStep>
<keyStep id="4B042E22FFD7FFF5F482C8A0FA3F9B54" pageId="6" pageNumber="43">
<paragraph id="F04F3687FFD7FFF5F482C8A0FA3C9AA4" blockId="6.[151,1434,152,298]" pageId="6" pageNumber="43">
<keyLead id="4B0195B2FFD7FFF5F482C8A0FA3C9AA4" pageId="6" pageNumber="43">
5. Anterolateral margin behind external orbital angle moderately sloping backwards .....................................
<emphasis id="C284EA95FFD7FFF5F4D9C8F8FB089AA7" box="[204,1197,192,217]" italics="true" pageId="6" pageNumber="43">
.........................................................................................
<taxonomicName id="37F04D04FFD7FFF5F749C8F8FB089AA7" ID-CoL="3D8D8" authority="Garth &amp; Kim, 1983" authorityName="Garth &amp; Kim" authorityYear="1983" box="[860,1197,192,217]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="43" phylum="Arthropoda" rank="species" species="dorsiconvexus">Euryxanthops dorsiconvexus</taxonomicName>
</emphasis>
<bibRefCitation id="94614B76FFD7FFF5F0A1C8F8FA3C9AA4" author="Garth" box="[1204,1433,192,218]" pageId="6" pageNumber="50" 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>
</keyLead>
</paragraph>
<paragraph id="F04F3687FFD7FFF5F482C8D0FA3F9B54" blockId="6.[151,1434,152,298]" pageId="6" pageNumber="43">
<keyLead id="4B0195B2FFD7FFF5F482C8D0FA3F9B54" pageId="6" pageNumber="43">
– Anterolateral margin behind external orbital angle nearly horizontal to projecting slightly forwards ......... .............................................................................................................
<taxonomicName id="37F04D04FFD7FFF5F7E6C928FB529B57" ID-CoL="3D8D7" box="[1011,1271,272,297]" class="Malacostraca" family="Xanthidae" genus="Euryxanthops" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="43" phylum="Arthropoda" rank="species" species="chiltoni" status="sp. nov.">
<emphasis id="C284EA95FFD7FFF5F7E6C928FB529B57" box="[1011,1271,272,297]" italics="true" pageId="6" pageNumber="43">Euryxanthops chiltoni</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="D9B757EEFFD7FFF5F113C928FA339B54" box="[1286,1430,272,298]" pageId="6" pageNumber="43" rank="species">new species</taxonomicNameLabel>
.
</keyLead>
</paragraph>
</keyStep>
</key>
</subSubSection>
</treatment>
</document>
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