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<document id="35D86B8BF95FA15880D3CF39E92AF35F" ID-ISSN="1175­5334" IM.materialsCitations_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629793332550" checkinUser="felipe" docAuthor="Wicksten, Mary K." docDate="2012" docId="C5657B52FF68B3E644D1FBA8CD9D0FBE" docLanguage="en" docName="zt03371p307.pdf" docOrigin="Zootaxa 3371" docStyle="DocumentStyle:D239614CE4198176A422035174489AB1.4:Zootaxa.2009-2012.monograph" docStyleId="D239614CE4198176A422035174489AB1" docStyleName="Zootaxa.2009-2012.monograph" docStyleVersion="4" docTitle="Pinnotheridae de Haan 1833" docType="key" docVersion="3" lastPageNumber="246" masterDocId="395C032AFF9CB3134446FFC9C8060B2C" masterDocTitle="Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371" masterLastPageNumber="307" masterPageNumber="1" pageNumber="245" updateTime="1699112702828" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="066BF9835611129EA73BC5DF3D3E284E">Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371</mods:title>
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<mods:namePart id="FF41BB993440DFF48B57A09B9AAFF931">Wicksten, Mary K.</mods:namePart>
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<mods:date id="41042FDE0D40F611BA8F5ED8224D8E35">2012</mods:date>
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<mods:number id="C562185CE6ED576F47B92AB2160613C4">2012-07-04</mods:number>
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<mods:classification id="1739232F61871987181BD410CA6F8BF7">journal article</mods:classification>
<mods:identifier id="B20988D21816752721E383DDDBEB64A4" type="ISSN">1175­5334</mods:identifier>
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<treatment id="C5657B52FF68B3E644D1FBA8CD9D0FBE" ID-DOI="http://doi.org/10.5281/zenodo.5255340" ID-Zenodo-Dep="5255340" LSID="urn:lsid:plazi:treatment:C5657B52FF68B3E644D1FBA8CD9D0FBE" httpUri="http://treatment.plazi.org/id/C5657B52FF68B3E644D1FBA8CD9D0FBE" lastPageId="245" lastPageNumber="246" pageId="244" pageNumber="245">
<subSubSection id="05D699CFFF68B3E744D1FBA8CA670F56" box="[151,609,1121,1146]" pageId="244" pageNumber="245" type="nomenclature">
<paragraph id="4D73CA44FF68B3E744D1FBA8CA670F56" blockId="244.[151,1437,1121,2029]" box="[151,609,1121,1146]" pageId="244" pageNumber="245">
<heading id="163B7D28FF68B3E744D1FBA8CA670F56" bold="true" box="[151,609,1121,1146]" fontSize="10" level="2" pageId="244" pageNumber="245" reason="2">
<emphasis id="7FB81656FF68B3E744D1FBA8CA670F56" bold="true" box="[151,609,1121,1146]" pageId="244" pageNumber="245">
Key to species of family
<taxonomicName id="8ACCB1C7FF68B3E745FEFBA8CA670F56" ID-CoL="7NKH5" authorityName="de Haan" authorityYear="1833" box="[440,609,1121,1146]" class="Malacostraca" family="Pinnotheridae" kingdom="Animalia" order="Decapoda" pageId="244" pageNumber="245" phylum="Arthropoda" rank="family">Pinnotheridae</taxonomicName>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="05D699CFFF68B3E644D1FB4CCD9D0FBE" lastPageId="245" lastPageNumber="246" pageId="244" pageNumber="245" type="key">
<keyStep id="F638D2E1FF68B3E744D1FB4CCD9A0FDE" pageId="244" pageNumber="245">
<paragraph id="4D73CA44FF68B3E744D1FB4CCD9A0F9B" blockId="244.[151,1437,1121,2029]" pageId="244" pageNumber="245">
<keyLead id="F63D6971FF68B3E744D1FB4CCD9A0F9B" pageId="244" pageNumber="245">1. Ischium of third maxillipeds rudimentary or indistinguishably fused with merus; palp not more than 0.5 times as large as merus-ischium. Carapace rounded, subquadrate or broadly transverse............................................ 2</keyLead>
</paragraph>
<paragraph id="4D73CA44FF68B3E744DBFB76CD9A0FDE" blockId="244.[151,1437,1121,2029]" pageId="244" pageNumber="245">
<keyLead id="F63D6971FF68B3E744DBFB76CD9A0FDE" pageId="244" pageNumber="245">– Ischium of third maxillipeds usually distinct from merus, although smaller, sometimes imperfectly joined with it; palp of larger size, usually about as large as merus-ischium. Carapace broadly transverse........................................ 6</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF68B3E744D1FB33CD9A0E4B" pageId="244" pageNumber="245">
<paragraph id="4D73CA44FF68B3E744D1FB33CD9F0E01" blockId="244.[151,1437,1121,2029]" pageId="244" pageNumber="245">
<keyLead id="F63D6971FF68B3E744D1FB33CD9F0E01" pageId="244" pageNumber="245">
2. Carapace much broader than long, anterior margin nearly straight. Pereopods 2–5 diminishing in length from anterior to posterior, pereopod 5 very small...............................................................
<taxonomicName id="8ACCB1C7FF68B3E740A4FAD1CD9F0E01" ID-CoL="4D8S6" authorityName="Holmes" authorityYear="1900" box="[1250,1433,1304,1325]" class="Malacostraca" family="Pinnotheridae" genus="Parapinnixa" kingdom="Animalia" order="Decapoda" pageId="244" pageNumber="245" phylum="Arthropoda" rank="species" species="affinis">
<emphasis id="7FB81656FF68B3E740A4FAD1CD9F0E01" box="[1250,1433,1304,1325]" italics="true" pageId="244" pageNumber="245">Parapinnixa affinis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FF68B3E744D1FAFCCD9A0E4B" blockId="244.[151,1437,1121,2029]" pageId="244" pageNumber="245">
<keyLead id="F63D6971FF68B3E744D1FAFCCD9A0E4B" pageId="244" pageNumber="245">– Carapace suborbicular or subquadrate, not strikingly wider than long. Pereopods 2–5 not successively diminishing in length from anterior to posterior............................................................................... 3</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF68B3E744D1FAA6CD9A0EF0" pageId="244" pageNumber="245">
<paragraph id="4D73CA44FF68B3E744D1FAA6CD9A0E8E" blockId="244.[151,1437,1121,2029]" pageId="244" pageNumber="245">
<keyLead id="F63D6971FF68B3E744D1FAA6CD9A0E8E" pageId="244" pageNumber="245">
3. Carapace without 2 longitudinal, impressed lines leading posteriorly from middle of upper margin of orbit. Symbiotic with ascidians..........................................................................
<taxonomicName id="8ACCB1C7FF68B3E740F1FA44CD9A0E8E" ID-CoL="4HZ8S" authorityName="Holmes" authorityYear="1900" box="[1207,1436,1421,1442]" class="Malacostraca" family="Pinnotheridae" genus="Pinnotheres" kingdom="Animalia" order="Decapoda" pageId="244" pageNumber="245" phylum="Arthropoda" rank="species" species="pugettensis">
<emphasis id="7FB81656FF68B3E740F1FA44CD9A0E8E" box="[1207,1436,1421,1442]" italics="true" pageId="244" pageNumber="245">Pinnotheres pugettensis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FF68B3E744D1FA63CD9A0EF0" blockId="244.[151,1437,1121,2029]" pageId="244" pageNumber="245">
<keyLead id="F63D6971FF68B3E744D1FA63CD9A0EF0" pageId="244" pageNumber="245">– Carapace with 2 longitudinal, impressed lines leading posteriorly from middle of upper margin of orbit. Usually symbiotic with pelecypods, occasionally echinoderms, rarely ascidians................................................... 4</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF68B3E744D1FA2CCD9A0D18" pageId="244" pageNumber="245">
<paragraph id="4D73CA44FF68B3E744D1FA2CCD9F0D3B" blockId="244.[151,1437,1121,2029]" pageId="244" pageNumber="245">
<keyLead id="F63D6971FF68B3E744D1FA2CCD9F0D3B" pageId="244" pageNumber="245">
4. Female: pereopods 3 unlike, right longer than left. Commensal in keyhole limpet,
<emphasis id="7FB81656FF68B3E747B2FA2CCD9F0D3B" italics="true" pageId="244" pageNumber="245">
<taxonomicName id="8ACCB1C7FF68B3E747B2FA2CCCC60ED6" ID-CoL="3YZRG" baseAuthorityName="G. B. Sowerby" baseAuthorityYear="1825" box="[1012,1216,1509,1530]" class="Gastropoda" family="Fissurellidae" genus="Megathura" kingdom="Animalia" order="Lepetellida" pageId="244" pageNumber="245" phylum="Mollusca" rank="species" species="crenulata">Megathura crenulata</taxonomicName>
....................................................................................................
<taxonomicName id="8ACCB1C7FF68B3E740FBF9CBCD9F0D3B" ID-CoL="39V5H" baseAuthorityName="Rathbun" baseAuthorityYear="1918" box="[1213,1433,1538,1559]" class="Malacostraca" family="Pinnotheridae" genus="Enigmatheres" kingdom="Animalia" order="Decapoda" pageId="244" pageNumber="245" phylum="Arthropoda" rank="species" species="canfieldi">Enigmatheres canfieldi</taxonomicName>
</emphasis>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FF68B3E744D1F9D6CD9A0D18" blockId="244.[151,1437,1121,2029]" box="[151,1436,1567,1588]" pageId="244" pageNumber="245">
<keyLead id="F63D6971FF68B3E744D1F9D6CD9A0D18" box="[151,1436,1567,1588]" pageId="244" pageNumber="245">– Female: pereopods 3 alike. Symbiotic with pelecypods, echinoderms, rarely ascidians............................... 5</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF68B3E744D1F9F4CD9F0C2E" pageId="244" pageNumber="245">
<paragraph id="4D73CA44FF68B3E744D1F9F4CD9A0DA1" blockId="244.[151,1437,1121,2029]" pageId="244" pageNumber="245">
<materialsCitation id="FDA4C019FF68B3E744D1F9F4CD9A0DA1" collectorName="La Jolla" location="Male" pageId="244" pageNumber="245" specimenCount="1" stateProvince="Maale">
<keyLead id="F63D6971FF68B3E744D1F9F4CD9A0DA1" pageId="244" pageNumber="245">
5. Female: Front sharply deflexed with transverse sulcus across vertical front between orbits; hand of cheliped widening distally, bearing two rows of setae along lower margin.
<collectingRegion id="8F0804A6FF68B3E746F4F993CAE10D43" box="[690,743,1626,1647]" country="Maldives" name="Maale" pageId="244" pageNumber="245">Male</collectingRegion>
: terminal abdominal segment semi-circular, immovable finger of chela bearing large serrate lobe on upper margin.
<collectingRegion id="8F0804A6FF68B3E746C5F9BECAC00DA0" box="[643,710,1655,1676]" country="United States of America" name="Alaska" pageId="244" pageNumber="245">Alaska</collectingRegion>
to
<collectorName id="E039AF92FF68B3E746A2F9BECB320DA0" box="[740,820,1655,1676]" pageId="244" pageNumber="245">La Jolla</collectorName>
,
<collectingRegion id="8F0804A6FF68B3E7477BF9BECB980DA0" box="[829,926,1655,1676]" country="United States of America" name="California" pageId="244" pageNumber="245">California</collectingRegion>
..........................
<taxonomicName id="8ACCB1C7FF68B3E740A5F9B1CD9A0DA1" ID-CoL="3DQYL" authorityName="Dana" authorityYear="1851" box="[1251,1436,1656,1677]" class="Malacostraca" family="Pinnotheridae" genus="Fabia" kingdom="Animalia" order="Decapoda" pageId="244" pageNumber="245" phylum="Arthropoda" rank="species" species="subquadrata">
<emphasis id="7FB81656FF68B3E740A5F9B1CD9A0DA1" box="[1251,1436,1656,1677]" italics="true" pageId="244" pageNumber="245">Fabia subquadrata</emphasis>
</taxonomicName>
</keyLead>
</materialsCitation>
</paragraph>
<paragraph id="4D73CA44FF68B3E744D1F95CCD9F0C2E" blockId="244.[151,1437,1121,2029]" pageId="244" pageNumber="245">
<keyLead id="F63D6971FF68B3E744D1F95CCD9F0C2E" pageId="244" pageNumber="245">
– Female: Front sharply deflexed but lacking transverse sulcus across vertical front between orbits; hand of cheliped not widening distally, bearing one row of setae along lower margin. Male: terminal abdominal segment widening distally with distal margin slightly deflexed, immovable finger of chela bearing 2 small teeth or lobes on upper margin.
<collectingCountry id="35DB8AD4FF68B3E740F4F906CD100DC8" box="[1202,1302,1743,1764]" name="Saint Pierre and Miquelon" pageId="244" pageNumber="245">San Pedro</collectingCountry>
, California to Magdalena Bay..........................................................................
<taxonomicName id="8ACCB1C7FF68B3E740ABF924CD9F0C2E" ID-CoL="3DQY9" baseAuthorityName="Rathbun" baseAuthorityYear="1893" box="[1261,1433,1773,1794]" class="Malacostraca" family="Pinnotheridae" genus="Fabia" kingdom="Animalia" order="Decapoda" pageId="244" pageNumber="245" phylum="Arthropoda" rank="species" species="concharum">
<emphasis id="7FB81656FF68B3E740ABF924CD9F0C2E" box="[1261,1433,1773,1794]" italics="true" pageId="244" pageNumber="245">Fabia concharum</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF68B3E744D1F8C3CD9A0C76" pageId="244" pageNumber="245">
<paragraph id="4D73CA44FF68B3E744D1F8C3CD9E0C11" blockId="244.[151,1437,1121,2029]" pageId="244" pageNumber="245">
<keyLead id="F63D6971FF68B3E744D1F8C3CD9E0C11" pageId="244" pageNumber="245">
6. Carapace about as wide as long, suborbicular. Pereopods 2–5 more or less subequal, pereopod 3 longest. Carapace spotted red to purple...........................................................................
<taxonomicName id="8ACCB1C7FF68B3E740FCF8E1CD9E0C11" ID-CoL="6T38Y" authorityName="Rathbun" authorityYear="1893" box="[1210,1432,1832,1853]" class="Malacostraca" family="Pinnotheridae" genus="Opisthopus" kingdom="Animalia" order="Decapoda" pageId="244" pageNumber="245" phylum="Arthropoda" rank="species" species="transversus">
<emphasis id="7FB81656FF68B3E740FCF8E1CD9E0C11" box="[1210,1432,1832,1853]" italics="true" pageId="244" pageNumber="245">Opisthopus transversus</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FF68B3E744D1F88CCD9A0C76" blockId="244.[151,1437,1121,2029]" box="[151,1436,1861,1882]" pageId="244" pageNumber="245">
<keyLead id="F63D6971FF68B3E744D1F88CCD9A0C76" box="[151,1436,1861,1882]" pageId="244" pageNumber="245">– Carapace much wider than long. Pereopod 4 longest. Carapace whitish to brown, not spotted......................... 7</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF68B3E744D1F8ABCD9A0CE3" pageId="244" pageNumber="245">
<paragraph id="4D73CA44FF68B3E744D1F8ABCD9A0CB9" blockId="244.[151,1437,1121,2029]" pageId="244" pageNumber="245">
<keyLead id="F63D6971FF68B3E744D1F8ABCD9A0CB9" pageId="244" pageNumber="245">
7. Pereopod 4 not markedly longer than others, legs more or less subequal. Carapace hard, granulate anteriorly; lower anterolateral margin curving gradually into posterolateral margin......................................
<taxonomicName id="8ACCB1C7FF68B3E74094F849CD9A0CB9" ID-CoL="4VQB8" authorityName="Rathbun" authorityYear="1893" box="[1234,1436,1920,1941]" class="Malacostraca" family="Pinnotheridae" genus="Scleroplax" kingdom="Animalia" order="Decapoda" pageId="244" pageNumber="245" phylum="Arthropoda" rank="species" species="granulata">
<emphasis id="7FB81656FF68B3E74094F849CD9A0CB9" box="[1234,1436,1920,1941]" italics="true" pageId="244" pageNumber="245">Scleroplax granulata</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FF68B3E744D1F854CD9A0CE3" blockId="244.[151,1437,1121,2029]" pageId="244" pageNumber="245">
<keyLead id="F63D6971FF68B3E744D1F854CD9A0CE3" pageId="244" pageNumber="245">– Pereopod 4 markedly longer, larger than others. Carapace usually soft, if hard, not granulate; lower anterolateral margin forming angle with posterolateral margin....................................................................... 8</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF68B3E644D1F81ECD9A0B80" lastPageId="245" lastPageNumber="246" pageId="244" pageNumber="245">
<paragraph id="4D73CA44FF68B3E744D1F81ECD9A0CC1" blockId="244.[151,1437,1121,2029]" box="[151,1436,2007,2029]" pageId="244" pageNumber="245">
<keyLead id="F63D6971FF68B3E744D1F81ECD9A0CC1" box="[151,1436,2007,2029]" pageId="244" pageNumber="245">
8. Carapace strongly convex, hard, 1.5 times as wide as long. Often symbiotic with holothurians..........
<taxonomicName id="8ACCB1C7FF68B3E740A9F811CD9A0CC1" ID-CoL="6VLKX" authorityName="Rathbun" authorityYear="1917" box="[1263,1436,2008,2029]" class="Malacostraca" family="Pinnotheridae" genus="Pinnixa" kingdom="Animalia" order="Decapoda" pageId="244" pageNumber="245" phylum="Arthropoda" rank="species" species="barnharti">
<emphasis id="7FB81656FF68B3E740A9F811CD9A0CC1" box="[1263,1436,2008,2029]" italics="true" pageId="244" pageNumber="245">Pinnixa barnharti</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FF69B3E644D1FF5ECD9A0B80" blockId="245.[151,1437,151,1170]" box="[151,1436,151,172]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FF5ECD9A0B80" box="[151,1436,151,172]" pageId="245" pageNumber="246">
– Carapace flat or slightly convex, more than 1.5 times as wide as long.
<collectingRegion id="8F0804A6FF69B3E647C4FF5ECBA00B80" box="[898,934,151,172]" country="Maldives" name="Uthuru" pageId="245" pageNumber="246">Not</collectingRegion>
symbiotic with holothurians................. 9
</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF69B3E644D1FF7CCD9D0BCB" pageId="245" pageNumber="246">
<paragraph id="4D73CA44FF69B3E644D1FF7CCD9A0BE6" blockId="245.[151,1437,151,1170]" box="[151,1436,181,202]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FF7CCD9A0BE6" box="[151,1436,181,202]" pageId="245" pageNumber="246">9. Dactyl of pereopod 5 shorter than propodus............................................................... 10</keyLead>
</paragraph>
<paragraph id="4D73CA44FF69B3E644D1FF1BCD9D0BCB" blockId="245.[151,1437,151,1170]" box="[151,1435,210,231]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FF1BCD9D0BCB" box="[151,1435,210,231]" pageId="245" pageNumber="246">– Dactyl of pereopod 5 equal to or longer than propodus....................................................... 14</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF69B3E644D1FF26CD9A0A0E" pageId="245" pageNumber="246">
<paragraph id="4D73CA44FF69B3E644D1FF26CD9D0A28" blockId="245.[151,1437,151,1170]" box="[151,1435,239,260]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FF26CD9D0A28" box="[151,1435,239,260]" pageId="245" pageNumber="246">10. Apex of dactyl of pereopod 5 falling short of or just reaching distal end of merus of pereopod 4 when both legs extended.. 11</keyLead>
</paragraph>
<paragraph id="4D73CA44FF69B3E644D1FEC4CD9A0A0E" blockId="245.[151,1437,151,1170]" box="[151,1436,269,290]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FEC4CD9A0A0E" box="[151,1436,269,290]" pageId="245" pageNumber="246">– Apex of dactyl of pereopod 5 reaching beyond distal end of merus of pereopod 4 when both are extended............... 12</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF69B3E644D1FEE3CD9A0A56" pageId="245" pageNumber="246">
<paragraph id="4D73CA44FF69B3E644D1FEE3CD9D0A71" blockId="245.[151,1437,151,1170]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FEE3CD9D0A71" pageId="245" pageNumber="246">
11. Posteroventral margin of ischium of pereopod 5 with 2–3 large tubercles; margins of pereopod 5 with long fringe of setae..........................................................................................
<taxonomicName id="8ACCB1C7FF69B3E640BCFE81CD9D0A71" ID-CoL="4HZ3T" baseAuthorityName="Lockington" baseAuthorityYear="1877" box="[1274,1435,328,349]" class="Malacostraca" family="Pinnotheridae" genus="Pinnixa" kingdom="Animalia" order="Decapoda" pageId="245" pageNumber="246" phylum="Arthropoda" rank="species" species="longipes">
<emphasis id="7FB81656FF69B3E640BCFE81CD9D0A71" box="[1274,1435,328,349]" italics="true" pageId="245" pageNumber="246">Pinnixa longipes</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FF69B3E644D1FEACCD9A0A56" blockId="245.[151,1437,151,1170]" box="[151,1436,357,378]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FEACCD9A0A56" box="[151,1436,357,378]" pageId="245" pageNumber="246">
– Posteroventral margin of ischium of pereopod 5 without tubercles; pereopod 5 without long fringe of setae..
<taxonomicName id="8ACCB1C7FF69B3E640BFFEACCD9A0A56" ID-CoL="7WGXH" authorityName="Holmes" authorityYear="1894" box="[1273,1436,357,378]" class="Malacostraca" family="Pinnotheridae" genus="Pinnixa" kingdom="Animalia" order="Decapoda" pageId="245" pageNumber="246" phylum="Arthropoda" rank="species" species="tubicola">
<emphasis id="7FB81656FF69B3E640BFFEACCD9A0A56" box="[1273,1436,357,378]" italics="true" pageId="245" pageNumber="246">Pinnixa tubicola</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF69B3E644D1FE4BCD9A0AFE" pageId="245" pageNumber="246">
<paragraph id="4D73CA44FF69B3E644D1FE4BCD9D0A99" blockId="245.[151,1437,151,1170]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FE4BCD9D0A99" pageId="245" pageNumber="246">
12. Ventral margin of propodus of pereopod 4 with 2 ridges, ridges granulate or serrate; dactyl of pereopod 4 spinous, slightly curved................................................................................
<taxonomicName id="8ACCB1C7FF69B3E640AFFE69CD9D0A99" ID-CoL="4HZ4K" authorityName="Lockington" authorityYear="1877" box="[1257,1435,416,437]" class="Malacostraca" family="Pinnotheridae" genus="Pinnixa" kingdom="Animalia" order="Decapoda" pageId="245" pageNumber="246" phylum="Arthropoda" rank="species" species="tomentosa">
<emphasis id="7FB81656FF69B3E640AFFE69CD9D0A99" box="[1257,1435,416,437]" italics="true" pageId="245" pageNumber="246">Pinnixa tomentosa</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FF69B3E644D1FE74CD9A0AFE" blockId="245.[151,1437,151,1170]" box="[151,1436,445,466]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FE74CD9A0AFE" box="[151,1436,445,466]" pageId="245" pageNumber="246">– Ventral margin of propodus of pereopod 4 without ridges; dactyl of pereopod 4 smooth, strongly curved................ 13</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF69B3E644D1FE13CD9F0949" pageId="245" pageNumber="246">
<paragraph id="4D73CA44FF69B3E644D1FE13CD9A0906" blockId="245.[151,1437,151,1170]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FE13CD9A0906" pageId="245" pageNumber="246">
13.
<collectingRegion id="8F0804A6FF69B3E644A7FE13C9100AC3" box="[225,278,474,495]" country="Maldives" name="Maale" pageId="245" pageNumber="246">Male</collectingRegion>
: fixed finger of chela slightly deflexed relative to palm; inner margin of dactyl of chela toothless. Female: fixed finger slightly deflexed; slight gape visible between opposing margins of fingers of chela when fingers tightly closed...................................................................................................
<taxonomicName id="8ACCB1C7FF69B3E640BEFDDCCD9A0906" ID-CoL="7WGX2" authorityName="Holmes" authorityYear="1894" box="[1272,1436,533,554]" class="Malacostraca" family="Pinnotheridae" genus="Pinnixa" kingdom="Animalia" order="Decapoda" pageId="245" pageNumber="246" phylum="Arthropoda" rank="species" species="littoralis">
<emphasis id="7FB81656FF69B3E640BEFDDCCD9A0906" box="[1272,1436,533,554]" italics="true" pageId="245" pageNumber="246">Pinnixa littoralis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FF69B3E644D1FDFBCD9F0949" blockId="245.[151,1437,151,1170]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FDFBCD9F0949" pageId="245" pageNumber="246">
–
<collectingRegion id="8F0804A6FF69B3E644A7FDFBC910096B" box="[225,278,562,583]" country="Maldives" name="Maale" pageId="245" pageNumber="246">Male</collectingRegion>
: fixed finger of chela straight relative to palm; inner margin of dactyl of chela with single blunt triangular tooth. Female: fixed finger nearly straight; opposing margins of fingers of chela meeting tightly, no gape...................
<taxonomicName id="8ACCB1C7FF69B3E6415BFD99CD9F0949" ID-CoL="7WGWV" baseAuthorityName="Dana" baseAuthorityYear="1851" box="[1309,1433,592,613]" class="Malacostraca" family="Pinnotheridae" genus="Pinnixa" kingdom="Animalia" order="Decapoda" pageId="245" pageNumber="246" phylum="Arthropoda" rank="species" species="faba">
<emphasis id="7FB81656FF69B3E6415BFD99CD9F0949" box="[1309,1433,592,613]" italics="true" pageId="245" pageNumber="246">Pinnixa faba</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF69B3E644D1FDA4CD9A09B3" pageId="245" pageNumber="246">
<paragraph id="4D73CA44FF69B3E644D1FDA4CD9D09AE" blockId="245.[151,1437,151,1170]" box="[151,1435,621,642]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FDA4CD9D09AE" box="[151,1435,621,642]" pageId="245" pageNumber="246">14. Anterolateral aspect of carapace with granulate or serrate ridge................................................ 15</keyLead>
</paragraph>
<paragraph id="4D73CA44FF69B3E644D1FD43CD9A09B3" blockId="245.[151,1437,151,1170]" box="[151,1436,650,671]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FD43CD9A09B3" box="[151,1436,650,671]" pageId="245" pageNumber="246">– Anterolateral aspect of carapace smooth, round; without granulate or serrate ridge................................. 19</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF69B3E644D1FD6ECD9A09F6" pageId="245" pageNumber="246">
<paragraph id="4D73CA44FF69B3E644D1FD6ECD9A0990" blockId="245.[151,1437,151,1170]" box="[151,1436,679,700]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FD6ECD9A0990" box="[151,1436,679,700]" pageId="245" pageNumber="246">15. Fixed finger of chela angled obliquely downward relative to palm.............................................. 16</keyLead>
</paragraph>
<paragraph id="4D73CA44FF69B3E644D1FD0CCD9A09F6" blockId="245.[151,1437,151,1170]" box="[151,1436,709,730]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FD0CCD9A09F6" box="[151,1436,709,730]" pageId="245" pageNumber="246">– Fixed finger of chela straight or curving upward; not deflexed................................................. 17</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF69B3E644D1FD2BCD9F0839" pageId="245" pageNumber="246">
<paragraph id="4D73CA44FF69B3E644D1FD2BCD9F09DB" blockId="245.[151,1437,151,1170]" box="[151,1433,738,759]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FD2BCD9F09DB" box="[151,1433,738,759]" pageId="245" pageNumber="246">
16. Length of propodus of pereopod 4, l.5–2 times its width......................................
<taxonomicName id="8ACCB1C7FF69B3E64091FD2BCD9F09DB" ID-CoL="7WGX6" authorityName="Rathbun" authorityYear="1893" box="[1239,1433,738,759]" class="Malacostraca" family="Pinnotheridae" genus="Pinnixa" kingdom="Animalia" order="Decapoda" pageId="245" pageNumber="246" phylum="Arthropoda" rank="species" species="occidentalis">
<emphasis id="7FB81656FF69B3E64091FD2BCD9F09DB" box="[1239,1433,738,759]" italics="true" pageId="245" pageNumber="246">Pinnixa occidentalis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FF69B3E644DBFD36CD9F0839" blockId="245.[151,1437,151,1170]" box="[157,1433,767,789]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644DBFD36CD9F0839" box="[157,1433,767,789]" pageId="245" pageNumber="246">
– Length of propodus of pereopod 4, at least 2.5 times its width.......................................
<emphasis id="7FB81656FF69B3E6414BFCC9CD9F0839" box="[1293,1433,768,789]" italics="true" pageId="245" pageNumber="246">Pinnixascamit</emphasis>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF69B3E644D1FCD4CD9A0840" pageId="245" pageNumber="246">
<paragraph id="4D73CA44FF69B3E644D1FCD4CD9F0863" blockId="245.[151,1437,151,1170]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FCD4CD9F0863" pageId="245" pageNumber="246">
17. Anterior face of chela entirely smooth, without granules or with line of coarse granules just above ventral margin of propodus, scattered granules over rest of propodus........................................................
<taxonomicName id="8ACCB1C7FF69B3E640B9FCF3CD9F0863" ID-CoL="7WGXF" authorityName="Rathbun" authorityYear="1918" box="[1279,1433,826,847]" class="Malacostraca" family="Pinnotheridae" genus="Pinnixa" kingdom="Animalia" order="Decapoda" pageId="245" pageNumber="246" phylum="Arthropoda" rank="species" species="schmitti">
<emphasis id="7FB81656FF69B3E640B9FCF3CD9F0863" box="[1279,1433,826,847]" italics="true" pageId="245" pageNumber="246">Pinnixa schmitti</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FF69B3E644DBFC9ECD9A0840" blockId="245.[151,1437,151,1170]" box="[157,1436,855,876]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644DBFC9ECD9A0840" box="[157,1436,855,876]" pageId="245" pageNumber="246">– Anterior face of chela with line of tubercles or granules above ventral margin, rest of palm smooth or granulate......... 18</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF69B3E644D1FCBCCD9A08CE" pageId="245" pageNumber="246">
<paragraph id="4D73CA44FF69B3E644D1FCBCCD9A088B" blockId="245.[151,1437,151,1170]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FCBCCD9A088B" pageId="245" pageNumber="246">
18. Anterior face of chela with line of tubercles just above ventral margin, largely confined to region where fixed finger meets palm; rest of palm smooth...................................................................
<taxonomicName id="8ACCB1C7FF69B3E64156FC5BCD9A088B" ID-CoL="4HZ3L" authorityName="Rathbun" authorityYear="1917" box="[1296,1436,914,935]" class="Malacostraca" family="Pinnotheridae" genus="Pinnixa" kingdom="Animalia" order="Decapoda" pageId="245" pageNumber="246" phylum="Arthropoda" rank="species" species="hiatus">
<emphasis id="7FB81656FF69B3E64156FC5BCD9A088B" box="[1296,1436,914,935]" italics="true" pageId="245" pageNumber="246">Pinnixa hiatus</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FF69B3E644D1FC66CD9A08CE" blockId="245.[151,1437,151,1170]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FC66CD9A08CE" pageId="245" pageNumber="246">
– Anterior face of chela with prominent line of densely packed granules forming ridge above ventral margin, running most of length of propodus; dorsal margin of propodus granulate......................................
<taxonomicName id="8ACCB1C7FF69B3E6409CFC04CD9A08CE" ID-CoL="7WGWX" authorityName="Rathbun" authorityYear="1918" box="[1242,1436,973,994]" class="Malacostraca" family="Pinnotheridae" genus="Pinnixa" kingdom="Animalia" order="Decapoda" pageId="245" pageNumber="246" phylum="Arthropoda" rank="species" species="franciscana">
<emphasis id="7FB81656FF69B3E6409CFC04CD9A08CE" box="[1242,1436,973,994]" italics="true" pageId="245" pageNumber="246">Pinnixa franciscana</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF69B3E644D1FC23CD9D0F30" pageId="245" pageNumber="246">
<paragraph id="4D73CA44FF69B3E644D1FC23CD9A08D3" blockId="245.[151,1437,151,1170]" box="[151,1436,1002,1023]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FC23CD9A08D3" box="[151,1436,1002,1023]" pageId="245" pageNumber="246">
19. Inner margin of dactyl of chela with single small triangular tooth at midpoint.......................
<taxonomicName id="8ACCB1C7FF69B3E640A5FC23CD9A08D3" ID-CoL="4HZ4S" authorityName="Rathbun" authorityYear="1918" box="[1251,1436,1002,1023]" class="Malacostraca" family="Pinnotheridae" genus="Pinnixa" kingdom="Animalia" order="Decapoda" pageId="245" pageNumber="246" phylum="Arthropoda" rank="species" species="weymouthi">
<emphasis id="7FB81656FF69B3E640A5FC23CD9A08D3" box="[1251,1436,1002,1023]" italics="true" pageId="245" pageNumber="246">Pinnixa weymouthi</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FF69B3E644D1FBC1CD9D0F30" blockId="245.[151,1437,151,1170]" box="[151,1435,1031,1053]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FBC1CD9D0F30" box="[151,1435,1031,1053]" pageId="245" pageNumber="246">
<emphasis id="7FB81656FF69B3E644D1FBC1C8A50F31" box="[151,163,1032,1053]" italics="true" pageId="245" pageNumber="246">–</emphasis>
Inner margin of dactyl of chela toothless.................................................................. 20
</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FF69B3E644D1FBECCD9D0FBE" pageId="245" pageNumber="246">
<paragraph id="4D73CA44FF69B3E644D1FBECCD9F0F7B" blockId="245.[151,1437,151,1170]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FBECCD9F0F7B" pageId="245" pageNumber="246">
20. Fingers of chela long, about twice as long as length of palm; apex of dactyl of pereopod 5 falling short of distal end of carpus of pereopod 4 when both legs extended..................................................
<taxonomicName id="8ACCB1C7FF69B3E640F9FB8BCD9F0F7B" ID-CoL="4HZ3D" authorityName="Zmarzly" authorityYear="1992" box="[1215,1433,1090,1111]" class="Malacostraca" family="Pinnotheridae" genus="Pinnixa" kingdom="Animalia" order="Decapoda" pageId="245" pageNumber="246" phylum="Arthropoda" rank="species" species="forficulimanus">
<emphasis id="7FB81656FF69B3E640F9FB8BCD9F0F7B" box="[1215,1433,1090,1111]" italics="true" pageId="245" pageNumber="246">Pinnixa forficulimanus</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FF69B3E644D1FB96CD9D0FBE" blockId="245.[151,1437,151,1170]" pageId="245" pageNumber="246">
<keyLead id="F63D6971FF69B3E644D1FB96CD9D0FBE" pageId="245" pageNumber="246">
– Fingers of chela short, about as long as length of palm; apex of dactyl of pereopod 5 exceeding distal end of carpus of pereopod 4 when both legs extended................................................................
<taxonomicName id="8ACCB1C7FF69B3E640AFFBB4CD9D0FBE" ID-CoL="4HZ3V" authorityName="Zmarzly" authorityYear="1992" box="[1257,1435,1149,1170]" class="Malacostraca" family="Pinnotheridae" genus="Pinnixa" kingdom="Animalia" order="Decapoda" pageId="245" pageNumber="246" phylum="Arthropoda" rank="species" species="minuscula">
<emphasis id="7FB81656FF69B3E640AFFBB4CD9D0FBE" box="[1257,1435,1149,1170]" italics="true" pageId="245" pageNumber="246">Pinnixa minuscula</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
</subSubSection>
</treatment>
</document>
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