treatments-xml/data/03/F8/87/03F887C99B2FFF83E228FD8AFE62C1CA.xml
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<document id="20D85E22CDDF44F1DF27F523FEAF5A8E" ID-CLB-Dataset="4865" ID-DOI="10.11646/zootaxa.436.1.1" ID-GBIF-Dataset="da216df7-8367-4c95-9678-f89e694af9b2" ID-ISSN="1175­5334" ID-Zenodo-Dep="5028297" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1624553480276" checkinUser="felipe" docAuthor="Ahyong, Shane T. &amp; Poore, Gary C. B." docDate="2004" docId="03F887C99B2FFF83E228FD8AFE62C1CA" docLanguage="en" docName="zt00436.pdf" docOrigin="Zootaxa 436 (1)" docSource="https://www.biotaxa.org/Zootaxa/article/view/zootaxa.436.1.1" docStyle="DocumentStyle:8B0D3ECF822058C8413568C103B59429.6:Zootaxa.2001-2006.monograph" docStyleId="8B0D3ECF822058C8413568C103B59429" docStyleName="Zootaxa.2001-2006.monograph" docStyleVersion="6" docTitle="Gastroptychus spinirostris Ahyong &amp; Poore 2004, n. sp." docType="treatment" docVersion="9" lastPageNumber="11" masterDocId="FFC1FFB19B27FF89E320FF86FFC0C74C" masterDocTitle="The Chirostylidae of southern Australia (Crustacea: Decapoda: Anomura)" masterLastPageNumber="88" masterPageNumber="1" pageNumber="9" updateTime="1699020514039" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="CB74D85CF39BCFD417E9214BC97FEC03">The Chirostylidae of southern Australia (Crustacea: Decapoda: Anomura)</mods:title>
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<mods:namePart id="A651EC62FC20F80441E7441AE71E0AB0">Ahyong, Shane T.</mods:namePart>
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<mods:namePart id="EE73FC43FAD0BA9CF32373EA9D53E9BB">Poore, Gary C. B.</mods:namePart>
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<treatment id="03F887C99B2FFF83E228FD8AFE62C1CA" ID-DOI="http://doi.org/10.5281/zenodo.5029747" ID-GBIF-Taxon="184928446" ID-Zenodo-Dep="5029747" LSID="urn:lsid:plazi:treatment:03F887C99B2FFF83E228FD8AFE62C1CA" httpUri="http://treatment.plazi.org/id/03F887C99B2FFF83E228FD8AFE62C1CA" lastPageId="10" lastPageNumber="11" pageId="8" pageNumber="9">
<subSubSection id="C34B65549B2FFF81E228FD8AFD2FC569" box="[264,751,523,550]" pageId="8" pageNumber="9" type="nomenclature">
<paragraph id="8BEE36DF9B2FFF81E228FD8AFD2FC569" blockId="8.[264,751,523,550]" box="[264,751,523,550]" pageId="8" pageNumber="9">
<heading id="D0A681B39B2FFF81E228FD8AFD2FC569" bold="true" box="[264,751,523,550]" fontSize="11" level="1" pageId="8" pageNumber="9" reason="1">
<emphasis id="B925EACD9B2FFF81E228FD8AFD2FC569" bold="true" box="[264,751,523,550]" pageId="8" pageNumber="9">
<taxonomicName id="4C514D5C9B2FFF81E228FD8AFD85C56A" ID-CoL="c892c924-77d4-477d-9a60-f92b17363e07" authority="Ahyong &amp; Poore, 2004" authorityName="Ahyong &amp; Poore" authorityYear="2004" box="[264,581,524,550]" class="Malacostraca" family="Chirostylidae" genus="Gastroptychus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="spinirostris" status="sp. nov.">
<emphasis id="B925EACD9B2FFF81E228FD8AFD85C56A" bold="true" box="[264,581,524,550]" italics="true" pageId="8" pageNumber="9">Gastroptychus spinirostris</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A21657B69B2FFF81E16CFD8DFD4EC569" box="[588,654,523,549]" pageId="8" pageNumber="9" rank="species">n. sp.</taxonomicNameLabel>
(
<figureCitation id="136A2A5A9B2FFF81E1BEFD8DFD24C569" box="[670,740,523,549]" captionStart="FIGURE 1" captionStartId="9.[264,368,1764,1788]" captionTargetBox="[275,1301,338,1726]" captionTargetId="figure-66@9.[264,1323,302,1738]" captionTargetPageId="9" captionText="FIGURE 1. Gastroptychus spinirostris n. sp., male holotype, 7.3 mm, AM P31418. A, dorsum. B, right lateral. C, abdomen, dorsal. D, sternum. E, maxilliped 3, right lateral. F, antennal peduncle, left ventral. G, basal antennular segment, left ventral. Scale AD = 2 mm, EG = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.5028303" httpUri="https://zenodo.org/record/5028303/files/figure.png" pageId="8" pageNumber="9">Fig. 1</figureCitation>
)
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C34B65549B2FFF81E228FDD0FCFDC58D" pageId="8" pageNumber="9" type="materials_examined">
<paragraph id="8BEE36DF9B2FFF81E228FDD0FCFDC58D" blockId="8.[264,1323,598,1865]" pageId="8" pageNumber="9">
<emphasis id="B925EACD9B2FFF81E228FDD0FE7DC53C" bold="true" box="[264,445,598,624]" pageId="8" pageNumber="9">Type material.</emphasis>
<materialsCitation id="3B393C829B2FFF81E2E5FDD1FBF9C5D5" ID-GBIF-Occurrence="3337128302" accessionNumber="P31418" collectingDate="1978-06-01" collectionCode="AM" elevation="364" location="Tweed Heads" longitude="153.95" pageId="8" pageNumber="9" specimenCount="1" specimenCount-male="1" stateProvince="Queensland" typeStatus="holotype">
<typeStatus id="54EA887D9B2FFF81E2E5FDD1FDA4C53D" box="[453,612,599,625]" pageId="8" pageNumber="9" type="holotype">HOLOTYPE</typeStatus>
:
<collectionCode id="ED40AE1A9B2FFF81E14FFDD1FD5EC53D" box="[623,670,599,625]" country="Australia" name="Australian Museum" pageId="8" pageNumber="9" type="Museum">AM</collectionCode>
P31418,
<specimenCount id="9D57FD569B2FFF81E02EFDD1FC9DC53D" box="[782,861,599,625]" pageId="8" pageNumber="9" type="male">1 male</specimenCount>
(
<quantity id="4CA99B3A9B2FFF81E04DFDD1FC05C53D" box="[877,965,599,625]" metricMagnitude="-3" metricUnit="m" metricValue="7.3" pageId="8" pageNumber="9" unit="mm" value="7.3">7.3mm</quantity>
), NE of
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,
<collectingRegion id="4995F83D9B2FFF81E7F4FDD1FE89C5D5" country="Australia" name="Queensland" pageId="8" pageNumber="9">Queensland</collectingRegion>
,
<geoCoordinate id="EE6550189B2FFF81E277FDF9FE23C5D5" box="[343,483,639,665]" pageId="8" pageNumber="9">28º0205S</geoCoordinate>
,
<geoCoordinate id="EE6550189B2FFF81E2D2FDF9FDA2C5D5" box="[498,610,639,665]" degrees="153" direction="east" minutes="57" orientation="longitude" pageId="8" pageNumber="9" precision="925" value="153.95">153º57E</geoCoordinate>
,
<quantity id="4CA99B3A9B2FFF81E151FDF9FD01C5D5" box="[625,705,639,665]" metricMagnitude="2" metricUnit="m" metricValue="3.6399999999999997" pageId="8" pageNumber="9" unit="m" value="364.0">
<elevation id="007CD1EC9B2FFF81E151FDF9FD01C5D5" box="[625,705,639,665]" metricMagnitude="2" metricUnit="m" metricValue="3.6399999999999997" pageId="8" pageNumber="9" unit="m" value="364.0">364 m</elevation>
</quantity>
, trawl, K78­09­03,
<date id="FFEF101F9B2FFF81E08FFDF9FBF9C5D5" box="[943,1081,639,665]" pageId="8" pageNumber="9" value="1978-06-01">
<collectingDate id="EFABE9F79B2FFF81E08FFDF9FBF9C5D5" box="[943,1081,639,665]" pageId="8" pageNumber="9" value="1978-06-01">1 Jun 1978</collectingDate>
</date>
</materialsCitation>
.
<materialsCitation id="3B393C829B2FFF81E767FDF9FCF9C58D" ID-GBIF-Occurrence="3337128335" accessionNumber="P31417" collectionCode="AM" pageId="8" pageNumber="9" specimenCount="2" specimenCount-female="2" stateProvince="Queensland" typeStatus="paratype">
<typeStatus id="54EA887D9B2FFF81E767FDF9FB2DC5D5" box="[1095,1261,639,665]" pageId="8" pageNumber="9" type="paratype">PARATYPES</typeStatus>
:
<collectionCode id="ED40AE1A9B2FFF81E7DBFDF9FAEAC5D5" box="[1275,1322,639,665]" country="Australia" name="Australian Museum" pageId="8" pageNumber="9" type="Museum">AM</collectionCode>
P31417,
<specimenCount id="9D57FD569B2FFF81E250FD21FE21C58D" box="[368,481,679,705]" pageId="8" pageNumber="9" type="female">2 females</specimenCount>
(
<quantity id="4CA99B3A9B2FFF81E2D0FD21FD51C58D" box="[496,657,679,705]" metricMagnitude="-3" metricUnit="m" metricValue="9.8" metricValueMax="11.7" metricValueMin="7.9" pageId="8" pageNumber="9" unit="mm" value="9.8" valueMax="11.7" valueMin="7.9">7.911.7 mm</quantity>
), type locality
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C34B65549B2FFF81E218FD48FE7FC4C5" pageId="8" pageNumber="9" type="diagnosis">
<paragraph id="8BEE36DF9B2FFF81E218FD48FE7FC4C5" blockId="8.[264,1323,598,1865]" pageId="8" pageNumber="9">
<emphasis id="B925EACD9B2FFF81E218FD48FE77C5A4" bold="true" box="[312,439,718,744]" pageId="8" pageNumber="9">Diagnosis.</emphasis>
Rostrum with lateral spines Dorsal surface of carapace with evenly distributed, slender, upright spines, largest laterally and anteriorly; surface non­setose. Sternite 3 with narrow median sinus flanked by small spine; lateral margins with small spine.. Abdominal somites covered with slender, upright spines, largest on first 3 somites; sparsely setose.
</paragraph>
</subSubSection>
<subSubSection id="C34B65549B2FFF83E218FC10FCAEC4C2" lastPageId="10" lastPageNumber="11" pageId="8" pageNumber="9" type="description">
<paragraph id="8BEE36DF9B2FFF81E218FC10FD48C31D" blockId="8.[264,1323,598,1865]" pageId="8" pageNumber="9">
<emphasis id="B925EACD9B2FFF81E218FC10FE10C4FC" bold="true" box="[312,464,918,944]" pageId="8" pageNumber="9">Description.</emphasis>
<emphasis id="B925EACD9B2FFF81E2FFFC11FD92C4FC" box="[479,594,919,944]" italics="true" pageId="8" pageNumber="9">Carapace</emphasis>
: Rostrum about three­quarters remaining carapace length, with pair of anteriorly directed spines basally and at proximal third or half; sparsely setose on distal half. Outer orbital angle with small spine. Dorsal surface with evenly distributed slender, upright spines, largest laterally and anteriorly; surface non­setose; pterygostomian region with several small spines.
</paragraph>
<paragraph id="8BEE36DF9B2FFF81E218FBD9FC44C3BD" blockId="8.[264,1323,598,1865]" pageId="8" pageNumber="9">
<emphasis id="B925EACD9B2FFF81E218FBD9FE59C334" box="[312,409,1119,1144]" italics="true" pageId="8" pageNumber="9">Sternum</emphasis>
: Sternite 3 (that of maxilliped 3) with narrow median sinus flanked by small spine; lateral margins with small spine. Lateral margin of sternite 4 (that of pereopod 1) with small distal and large proximal spine; with median pair of anteriorly directed spines. Sternite 5 (that of pereopod 2) with large lateral spine.
</paragraph>
<paragraph id="8BEE36DF9B2FFF81E218FB79FE8FC1E5" blockId="8.[264,1323,598,1865]" pageId="8" pageNumber="9">
<emphasis id="B925EACD9B2FFF81E218FB79FE66C254" box="[312,422,1279,1304]" italics="true" pageId="8" pageNumber="9">Abdomen</emphasis>
: Somites covered with slender, upright spines, largest on first 3 somites; sparsely setose; pleura tapering to angular apex. First somite with transverse row of 4 spines. Second to sixth somites with 2 transverse rows of spines. Second somite with anterior row of 46 spines and posterior row of 68 spines. Third somite with anterior row of 4 spines and posterior row of 8 spines. Fourth somite with anterior row of 4 spines and posterior row of 6 spines. Fifth somite with anterior row of 4 spines and posterior row of 6 spines. Sixth somite with anterior row of 6 spines and posterior row of 4 spines; with small posterolateral point and 4 denticles on posterior margin. Telson comprising 2 articulating plates; proximal plate shorter and wider than distal, rounded laterally; distal plate half as long as wide, posteriorly emarginate, rounded laterally. Uropodal endopod and exopod ovate.
</paragraph>
<paragraph id="8BEE36DF9B2FFF81E218F931FDC9C1B5" blockId="8.[264,1323,598,1865]" pageId="8" pageNumber="9">
<emphasis id="B925EACD9B2FFF81E218F931FEAFC19C" box="[312,367,1719,1744]" italics="true" pageId="8" pageNumber="9">Eyes</emphasis>
: Cornea subglobular, slightly wider than peduncle, reaching anteriorly almost to midlength of rostrum.
</paragraph>
<paragraph id="8BEE36DF9B2FFF81E218F881FC4FC005" blockId="8.[264,1323,598,1865]" pageId="8" pageNumber="9">
<emphasis id="B925EACD9B2FFF81E218F881FE6FC06C" box="[312,431,1799,1824]" italics="true" pageId="8" pageNumber="9">Antennule</emphasis>
: Basal segment with small mesiodistal spine and two larger spines on laterodistal margin; peduncle not reaching rostral apex.
</paragraph>
<caption id="DF2E66579B2EFF80E228F962FB71C00D" ID-DOI="http://doi.org/10.5281/zenodo.5028303" ID-Zenodo-Dep="5028303" httpUri="https://zenodo.org/record/5028303/files/figure.png" pageId="9" pageNumber="10" startId="9.[264,368,1764,1788]" targetBox="[275,1301,338,1726]" targetPageId="9">
<paragraph id="8BEE36DF9B2EFF80E228F962FB71C00D" blockId="9.[264,1323,1764,1857]" pageId="9" pageNumber="10">
<emphasis id="B925EACD9B2EFF80E228F962FE4BC1B0" bold="true" box="[264,395,1764,1788]" pageId="9" pageNumber="10">FIGURE 1.</emphasis>
<taxonomicName id="4C514D5C9B2EFF80E2B2F963FD6CC1B0" authority="Ahyong &amp; Poore, 2004" authorityName="Ahyong &amp; Poore" authorityYear="2004" box="[402,684,1765,1788]" class="Malacostraca" family="Chirostylidae" genus="Gastroptychus" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="10" phylum="Arthropoda" rank="species" species="spinirostris" status="sp. nov.">
<emphasis id="B925EACD9B2EFF80E2B2F963FD6CC1B0" box="[402,684,1765,1788]" italics="true" pageId="9" pageNumber="10">Gastroptychus spinirostris</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A21657B69B2EFF80E194F963FD2FC1B0" box="[692,751,1765,1788]" pageId="9" pageNumber="10" rank="species">n. sp.</taxonomicNameLabel>
, male holotype, 7.3 mm, AM P31418. A, dorsum. B, right lateral. C, abdomen, dorsal. D, sternum. E, maxilliped 3, right lateral. F, antennal peduncle, left ventral. G, basal antennular segment, left ventral. Scale AD = 2 mm, EG = 1 mm.
</paragraph>
</caption>
<paragraph id="8BEE36DF9B2DFF83E218FE9AFEB9C6E2" blockId="10.[264,1324,284,1670]" pageId="10" pageNumber="11">
<emphasis id="B925EACD9B2DFF83E218FE9AFE59C679" box="[312,409,284,309]" italics="true" pageId="10" pageNumber="11">Antenna</emphasis>
: Basal segment with strong lateral spine. Peduncle second segment with 2 small distal spines; penultimate segment with ventrodistal spine; ultimate segment with distal and midventral spine. Scaphocerite lanceolate, extending beyond second segment of peduncle.
</paragraph>
<paragraph id="8BEE36DF9B2DFF83E218FE3AFCA5C56A" blockId="10.[264,1324,284,1670]" pageId="10" pageNumber="11">
<emphasis id="B925EACD9B2DFF83E218FE3AFE13C699" box="[312,467,444,469]" italics="true" pageId="10" pageNumber="11">Maxilliped 3</emphasis>
: Basis with stout distal flexor spine. Endopod ischium with 2 distal spines, of which one located on crista dentata; merus and carpus with several stout spines; dactylus about half propodus length, both unarmed.
</paragraph>
<paragraph id="8BEE36DF9B2DFF83E218FDB2FBFFC58A" blockId="10.[264,1324,284,1670]" pageId="10" pageNumber="11">
<emphasis id="B925EACD9B2DFF83E218FDB2FDFCC501" box="[312,572,564,589]" italics="true" pageId="10" pageNumber="11">Pereopod 1 (cheliped)</emphasis>
: Subcylindrical, about 2.5 times carapace length; with few scattered setae and numerous slender anteriorly inclined spines. Propodus longer than carpus; palm about three times as long as high; pollex spinose ventrally; occlusal margin dentate. Dactylus shorter than palm; spinose dorsally; occlusal margin dentate.
</paragraph>
<paragraph id="8BEE36DF9B2DFF83E218FD52FCAEC4C2" blockId="10.[264,1324,284,1670]" pageId="10" pageNumber="11">
<emphasis id="B925EACD9B2DFF83E218FD52FE2BC5A1" box="[312,491,724,749]" italics="true" pageId="10" pageNumber="11">Pereopods 24</emphasis>
: Similar, flattened, about 1.5 times carapace length; sparsely setose. Basis spinose. Ischium, carpus and merus strongly spinose on extensor and flexor margins, with smaller spines on lateral surface. Propodus with extensor margins lined with slender fixed spines, flexor margins lined with slender movable spines. Dactylus about 0.6 propodus length, with 911 fixed spines on flexor margin.
</paragraph>
</subSubSection>
<subSubSection id="C34B65549B2DFF83E218FC1AFB97C492" pageId="10" pageNumber="11" type="etymology">
<paragraph id="8BEE36DF9B2DFF83E218FC1AFB97C492" blockId="10.[264,1324,284,1670]" pageId="10" pageNumber="11">
<emphasis id="B925EACD9B2DFF83E218FC1AFE04C4FA" bold="true" box="[312,452,924,950]" pageId="10" pageNumber="11">Etymology.</emphasis>
The specific epithet is derived from the Latin
<emphasis id="B925EACD9B2DFF83E0C5FC1AFBE5C4F9" box="[997,1061,924,949]" italics="true" pageId="10" pageNumber="11">spina</emphasis>
, meaning thorn, and
<emphasis id="B925EACD9B2DFF83E228FC42FEAAC491" box="[264,362,964,989]" italics="true" pageId="10" pageNumber="11">rostrum,</emphasis>
meaning nose, alluding to the spinose rostrum of this species.
</paragraph>
</subSubSection>
<subSubSection id="C34B65549B2DFF83E218FC6AFDB9C17A" pageId="10" pageNumber="11" type="discussion">
<paragraph id="8BEE36DF9B2DFF83E218FC6AFBC6C252" blockId="10.[264,1324,284,1670]" pageId="10" pageNumber="11">
<emphasis id="B925EACD9B2DFF83E218FC6AFE71C34A" bold="true" box="[312,433,1004,1030]" pageId="10" pageNumber="11">Remarks.</emphasis>
<taxonomicName id="4C514D5C9B2DFF83E299FC6AFD30C349" authority="Ahyong &amp; Poore, 2004" authorityName="Ahyong &amp; Poore" authorityYear="2004" box="[441,752,1004,1029]" class="Malacostraca" family="Chirostylidae" genus="Gastroptychus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="spinirostris" status="sp. nov.">
<emphasis id="B925EACD9B2DFF83E299FC6AFD30C349" box="[441,752,1004,1029]" italics="true" pageId="10" pageNumber="11">Gastroptychus spinirostris</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A21657B69B2DFF83E1D9FC6AFCF9C34A" box="[761,825,1004,1030]" pageId="10" pageNumber="11" rank="species">n. sp.</taxonomicNameLabel>
is unique in the genus for bearing 2 pairs of lateral spines on the rostrum. In the general pattern of dorsal spination, large eyes, and carapace proportions,
<taxonomicName id="4C514D5C9B2DFF83E12FFBBAFD76C319" authorityName="Ahyong &amp; Poore" authorityYear="2004" box="[527,694,1084,1109]" class="Malacostraca" family="Chirostylidae" genus="Gastroptychus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="spinirostris">
<emphasis id="B925EACD9B2DFF83E12FFBBAFD76C319" box="[527,694,1084,1109]" italics="true" pageId="10" pageNumber="11">G. spinirostris</emphasis>
</taxonomicName>
most closely resembles
<taxonomicName id="4C514D5C9B2DFF83E0FBFBBAFAEAC31A" authority="(Van Dam, 1933)" baseAuthorityName="van Dam" baseAuthorityYear="1933" box="[987,1322,1084,1110]" class="Malacostraca" family="Chirostylidae" genus="Gastroptychus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="ciliatus">
<emphasis id="B925EACD9B2DFF83E0FBFBBAFB93C319" box="[987,1107,1084,1109]" italics="true" pageId="10" pageNumber="11">G. ciliatus</emphasis>
(
<bibRefCitation id="EFC04B2E9B2DFF83E744FBBAFAE2C31A" author="Van Dam, A. J." box="[1124,1314,1084,1110]" pageId="10" pageNumber="11" pagination="1 - 46" refId="ref39963" refString="Van Dam, A. J. (1933) Die Decapoden der Siboga-Expedition. VIII. Galatheidea: Chirostylidae. Siboga-Expeditie, 39 a 7, 1 - 46." type="journal article" year="1933">Van Dam, 1933</bibRefCitation>
)
</taxonomicName>
from
<collectingCountry id="F346764F9B2DFF83E26AFBE2FE00C332" box="[330,448,1124,1150]" name="Indonesia" pageId="10" pageNumber="11">Indonesia</collectingCountry>
. Aside from the possession of lateral rostral spines,
<taxonomicName id="4C514D5C9B2DFF83E70FFBE2FB15C331" authorityName="Ahyong &amp; Poore" authorityYear="2004" box="[1071,1237,1124,1149]" class="Malacostraca" family="Chirostylidae" genus="Gastroptychus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="spinirostris">
<emphasis id="B925EACD9B2DFF83E70FFBE2FB15C331" box="[1071,1237,1124,1149]" italics="true" pageId="10" pageNumber="11">G. spinirostris</emphasis>
</taxonomicName>
differs from
<taxonomicName id="4C514D5C9B2DFF83E268FB0AFE7DC3E9" baseAuthorityName="van Dam" baseAuthorityYear="1933" box="[328,445,1164,1189]" class="Malacostraca" family="Chirostylidae" genus="Gastroptychus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="ciliatus">
<emphasis id="B925EACD9B2DFF83E268FB0AFE7DC3E9" box="[328,445,1164,1189]" italics="true" pageId="10" pageNumber="11">G. ciliatus</emphasis>
</taxonomicName>
in having two instead of one transverse row of spines on the second to fifth abdominal tergites, markedly fewer spines on chela, a relatively shorter propodal palm on the cheliped (about 1.5 times dactyl length vs. about 3 times dactyl length), and a transverse row two instead of six spines on the surface of the sternum.
</paragraph>
<paragraph id="8BEE36DF9B2DFF83E218FAAAFDB9C17A" blockId="10.[264,1324,284,1670]" pageId="10" pageNumber="11">
<taxonomicName id="4C514D5C9B2DFF83E218FAAAFDADC209" authorityName="Ahyong &amp; Poore" authorityYear="2004" box="[312,621,1324,1349]" class="Malacostraca" family="Chirostylidae" genus="Gastroptychus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="spinirostris">
<emphasis id="B925EACD9B2DFF83E218FAAAFDADC209" box="[312,621,1324,1349]" italics="true" pageId="10" pageNumber="11">Gastroptychus spinirostris</emphasis>
</taxonomicName>
resembles
<taxonomicName id="4C514D5C9B2DFF83E1D2FAAAFCA9C209" baseAuthorityName="van Dam" baseAuthorityYear="1933" box="[754,873,1324,1349]" class="Malacostraca" family="Chirostylidae" genus="Gastroptychus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="ciliatus">
<emphasis id="B925EACD9B2DFF83E1D2FAAAFCA9C209" box="[754,873,1324,1349]" italics="true" pageId="10" pageNumber="11">G. ciliatus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C514D5C9B2DFF83E083FAAAFB60C20A" authority="Baba, 1986" authorityName="Baba" authorityYear="1986" box="[931,1184,1324,1350]" class="Malacostraca" family="Chirostylidae" genus="Gastroptychus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="chacei">
<emphasis id="B925EACD9B2DFF83E083FAAAFBD0C209" box="[931,1040,1324,1349]" italics="true" pageId="10" pageNumber="11">G. chacei</emphasis>
<bibRefCitation id="EFC04B2E9B2DFF83E738FAAAFB60C20A" author="Baba, K." box="[1048,1184,1324,1350]" pageId="10" pageNumber="11" pagination="1 - 5" refId="ref38438" refString="Baba, K. (1986) Two new anomuran Crustacea (Decapoda: Anomura) from North-West Australia. The Beagle, Occasional Papers of the Northern Territory Museum of Arts and Sciences, 3, 1 - 5." type="journal article" year="1986">Baba, 1986</bibRefCitation>
</taxonomicName>
, and differs from other congeners in having a distinctly concave instead of transverse or convex anterior margin of the sternal plastron, and in bearing a broadened instead of very slender, spiniform rostrum. In these characters,
<taxonomicName id="4C514D5C9B2DFF83E1FDFA22FC43C2F1" authorityName="Ahyong &amp; Poore" authorityYear="2004" box="[733,899,1444,1469]" class="Malacostraca" family="Chirostylidae" genus="Gastroptychus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="spinirostris">
<emphasis id="B925EACD9B2DFF83E1FDFA22FC43C2F1" box="[733,899,1444,1469]" italics="true" pageId="10" pageNumber="11">G. spinirostris</emphasis>
</taxonomicName>
,
<taxonomicName id="4C514D5C9B2DFF83E0B4FA22FBCCC2F1" baseAuthorityName="van Dam" baseAuthorityYear="1933" box="[916,1036,1444,1469]" class="Malacostraca" family="Chirostylidae" genus="Gastroptychus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="ciliatus">
<emphasis id="B925EACD9B2DFF83E0B4FA22FBCCC2F1" box="[916,1036,1444,1469]" italics="true" pageId="10" pageNumber="11">G. ciliatus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C514D5C9B2DFF83E769FA22FB77C2F1" authorityName="Baba" authorityYear="1986" box="[1097,1207,1444,1469]" class="Malacostraca" family="Chirostylidae" genus="Gastroptychus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="chacei">
<emphasis id="B925EACD9B2DFF83E769FA22FB77C2F1" box="[1097,1207,1444,1469]" italics="true" pageId="10" pageNumber="11">G. chacei</emphasis>
</taxonomicName>
resemble species
<taxonomicName id="4C514D5C9B2DFF83E244FA4AFE2CC2A9" authorityName="Henderson" authorityYear="1888" box="[356,492,1484,1509]" class="Malacostraca" family="Chirostylidae" genus="Uroptychus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="genus">
<emphasis id="B925EACD9B2DFF83E244FA4AFE2CC2A9" box="[356,492,1484,1509]" italics="true" pageId="10" pageNumber="11">Uroptychus</emphasis>
</taxonomicName>
. The three species, however, agree with
<bibRefCitation id="EFC04B2E9B2DFF83E0E5FA4AFBAAC2AA" author="Baba, K." box="[965,1130,1484,1510]" pageId="10" pageNumber="11" pagination="1 - 203" refId="ref38479" refString="Baba, K. (1988) Chirostylid and galatheid Crustaceans (Decapoda, Anomura) of the &quot; Albatross &quot; Philippine expedition, 1907 - 1910. Researches on Crustacea, Special No. 2, 1 - 203." type="book chapter" year="1988">Babas (1988)</bibRefCitation>
concept of
<taxonomicName id="4C514D5C9B2DFF83E7D2FA4AFE42C141" authorityName="Caullery" authorityYear="1896" class="Malacostraca" family="Chirostylidae" genus="Gastroptychus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="genus">
<emphasis id="B925EACD9B2DFF83E7D2FA4AFE42C141" italics="true" pageId="10" pageNumber="11">Gastroptychus</emphasis>
</taxonomicName>
in having distinctly spinose walking legs and are retained in the genus pending revisionary studies by K. Baba.
</paragraph>
</subSubSection>
<subSubSection id="C34B65549B2DFF83E218F9C2FE62C1CA" pageId="10" pageNumber="11" type="distribution">
<paragraph id="8BEE36DF9B2DFF83E218F9C2FE62C1CA" blockId="10.[264,1324,284,1670]" pageId="10" pageNumber="11">
<emphasis id="B925EACD9B2DFF83E218F9C2FE18C112" bold="true" box="[312,472,1604,1630]" pageId="10" pageNumber="11">Distribution.</emphasis>
Known only from northeast of Tweed Heads, southern
<collectingRegion id="4995F83D9B2DFF83E75BF9C2FAC8C112" box="[1147,1288,1604,1630]" country="Australia" name="Queensland" pageId="10" pageNumber="11">Queensland</collectingRegion>
, at
<quantity id="4CA99B3A9B2DFF83E228F9EAFE92C1CA" box="[264,338,1644,1670]" metricMagnitude="2" metricUnit="m" metricValue="3.6399999999999997" pageId="10" pageNumber="11" unit="m" value="364.0">364 m</quantity>
depth.
</paragraph>
</subSubSection>
</treatment>
</document>