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<document id="51679C1A9BFB6D9DE36818C9EB410FFC" ID="10.11646/zootaxa.4170.2.5" ID-DOI="10.11646/zootaxa.4170.2.5" ID-GBIF-Dataset="b4090041-70f8-471a-9457-33057c9f6dfa" ID-ISSN="1175-5326" ID-Zenodo-Dep="265679" ID-ZooBank="ABA0F247-BE66-474F-9905-708E78AEB7EB" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1474612734791" checkinUser="plazi" docAuthor="Campos, Ernesto" docDate="2016" docId="03E987B3FFF2FFE3FF458F9B38EAB8CB" docLanguage="en" docName="zootaxa.4170.2.5.pdf" docOrigin="Zootaxa 4170 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Pinnotheres nudus Holmes 1895" docType="treatment" docVersion="7" lastPageNumber="323" masterDocId="FFD0FFCBFFFEFFEEFFD28B1E3B2ABB4B" masterDocTitle="The Pinnotheridae of the northeastern Pacific (Alaska to Mexico): zoogeographical remarks and new bivalve hosts (Crustacea, Brachyura, Pinnotheridae)" masterLastPageNumber="329" masterPageNumber="311" pageNumber="323" updateTime="1698387075582" updateUser="plazi">
<mods:mods id="24F050CC26311F3DC2BF4E6E78D4B4C1" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="CACF25B3117F617B4C0EE26D6DD3C1FB">
<mods:title id="F442C22CE9A06718958219BE3AD0A814">The Pinnotheridae of the northeastern Pacific (Alaska to Mexico): zoogeographical remarks and new bivalve hosts (Crustacea, Brachyura, Pinnotheridae)</mods:title>
</mods:titleInfo>
<mods:name id="6103E34FCE0DBF14539C9242EAA48CDD" type="personal">
<mods:role id="D62B9077105BEB0D9286DE82CAF88F45">
<mods:roleTerm id="69E72138D4031394DD09E395978ACB95">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="EDFBB0304B13103300C999B2B25CB022">Campos, Ernesto</mods:namePart>
</mods:name>
<mods:typeOfResource id="C84ED27052942F2A389C903C4E3A8C87">text</mods:typeOfResource>
<mods:relatedItem id="75EFEF5900B7E72607171E6CF438A7D7" type="host">
<mods:titleInfo id="4A5E613C2E05E37174A479DB781C945E">
<mods:title id="B9FF9B16222CA960B5CB048242DBE9DD">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="A406EC2954226BFE77750402D58E0951">
<mods:date id="9D3F1E5C9CB9813730549C4F8A8D0FC8">2016</mods:date>
<mods:detail id="3286189B51E2520BDFBF57FCE5A1A7BB" type="volume">
<mods:number id="76CFE29F80298D7E939DC0D13763FAFA">4170</mods:number>
</mods:detail>
<mods:detail id="F60FE3DFDF43DC53E83E8B6BF34BA126" type="issue">
<mods:number id="5368FB872D9D51CE763CA104DB07093A">2</mods:number>
</mods:detail>
<mods:extent id="6E721BC156565C01CBB3E2A90D0886B1" unit="page">
<mods:start id="E87366A62413046A1F7DD9821778DD30">311</mods:start>
<mods:end id="47E967A44A85E7D46639A7E86BF1DFDF">329</mods:end>
</mods:extent>
</mods:part>
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<mods:classification id="C5BCE8333FA86AD6D242776BF3B87BC2">journal article</mods:classification>
<mods:identifier id="04EF0B20B506565A10ED50180F484EC7" type="DOI">10.11646/zootaxa.4170.2.5</mods:identifier>
<mods:identifier id="92B5CDCC80843600C8ACBD89FF74BF59" type="GBIF-Dataset">b4090041-70f8-471a-9457-33057c9f6dfa</mods:identifier>
<mods:identifier id="122ECB246B878855F4E6E696917662A9" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="644B2037AE7E0F1EBDA9C4BFEA9C6206" type="Zenodo-Dep">265679</mods:identifier>
<mods:identifier id="F1819E9ED60C54465288F8957B8279E7" type="ZooBank">ABA0F247-BE66-474F-9905-708E78AEB7EB</mods:identifier>
</mods:mods>
<treatment id="03E987B3FFF2FFE3FF458F9B38EAB8CB" ID-DOI="http://doi.org/10.5281/zenodo.6088001" ID-GBIF-Taxon="124552778" ID-Zenodo-Dep="6088001" LSID="urn:lsid:plazi:treatment:03E987B3FFF2FFE3FF458F9B38EAB8CB" httpUri="http://treatment.plazi.org/id/03E987B3FFF2FFE3FF458F9B38EAB8CB" lastPageId="13" lastPageNumber="323" pageId="12" pageNumber="323">
<subSubSection id="C35A652EFFF2FFE2FF458F9B3A1ABF8B" pageId="12" pageNumber="323" type="nomenclature">
<paragraph id="8BFF36A5FFF2FFE2FF458F9B3901BFD4" blockId="12.[151,555,1157,1216]" box="[151,555,1157,1183]" pageId="12" pageNumber="323">
<heading id="D0B781C9FFF2FFE2FF458F9B3901BFD4" bold="true" box="[151,555,1157,1183]" fontSize="11" level="1" pageId="12" pageNumber="323" reason="1">
<taxonomicName id="4C404D26FFF2FFE2FF458F9B3901BFD4" ID-CoL="4HZ7W" authority="Holmes, 1895" authorityName="Holmes" authorityYear="1895" box="[151,555,1157,1183]" class="Malacostraca" family="Pinnotheridae" genus="Pinnotheres" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="323" phylum="Arthropoda" rank="species" species="nudus">
<emphasis id="B934EAB7FFF2FFE2FF458F9B3901BFD4" bold="true" box="[151,555,1157,1183]" pageId="12" pageNumber="323">
<emphasis id="B934EAB7FFF2FFE2FF458F9B3A56BFD4" bold="true" box="[151,380,1157,1183]" italics="true" pageId="12" pageNumber="323">Pinnotheres nudus</emphasis>
Holmes, 1895
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="8BFF36A5FFF2FFE2FF458FB93A1ABF8B" blockId="12.[151,555,1157,1216]" box="[151,304,1191,1216]" pageId="12" pageNumber="323">
(
<figureCitation id="137B2A20FFF2FFE2FF4D8FB93BC6BF8B" box="[159,236,1191,1216]" captionStart="FIGURE 4. A – D" captionStartId="11.[151,250,1226,1248]" captionTargetBox="[158,1426,205,1199]" captionTargetId="figure@11.[151,1435,193,1205]" captionTargetPageId="11" captionText="FIGURE 4. A – D, Opisthopus transversus Rathbun, 1918 from Punta San Miguel, Todos Santos Bay, Ensenada, Baja California, Mexico. E-H, Pinnotheres nudus Holmes, 1895, from Santa Cruz, California, U. S. A. Adult female: A, E, carapace, dorsal view; B, F, abdomen; C, G, right and left cheliped respectively, outer aspect; D, H, third maxilliped, outer view. A – C, scale 1: 0.5 mm; 2: 0.1 mm; E – H, not to scale." httpUri="https://zenodo.org/record/265683/files/figure.png" pageId="12" pageNumber="323">Figs. 4</figureCitation>
E–H)
</paragraph>
</subSubSection>
<subSubSection id="C35A652EFFF2FFE2FF458FF13A6FBD96" pageId="12" pageNumber="323" type="diagnosis">
<paragraph id="8BFF36A5FFF2FFE2FF458FF13A6FBD96" blockId="12.[151,1437,1263,2009]" pageId="12" pageNumber="323">
<emphasis id="B934EAB7FFF2FFE2FF458FF13A3BBE43" bold="true" box="[151,273,1263,1288]" pageId="12" pageNumber="323">Diagnosis.</emphasis>
Carapace slightly broader than long, subquadrate to orbicular in outline, convex, curving downwards towards margins, surface smooth, naked, regions not defined. Front deflexed, rounded, not protruding, central portion continued downward as triangular process between antennules, smaller triangular processes at sides partly separating orbits from antennular fossettes. Orbits ovate, wide inner
<taxonomicName id="4C404D26FFF2FFE2FC7A8E4238C1BE3E" box="[936,1003,1372,1397]" class="Malacostraca" family="Pinnotheridae" genus="Pinnixa" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="323" phylum="Arthropoda" rank="species" species="hiatus">hiatus</taxonomicName>
partly filled by base of antennas; eye peduncles very short, stout, cornea minute. Antennules oblique; antennular fossettes communicate each other beneath front. Third maxillipeds oblique, nearly fitting buccal area; merus broad, smooth, subquadrate, outer margin produced into broadly rounded laminate expansion; propodus oblong, distally rounded; dactylus spatulate, articulated near base, extending somewhat beyond propodus. Chelipeds moderate, smooth, naked; hands narrow, rather thick, widest immediately behind articulation of dactyl; fingers nearly or quite as long as palm, subconical, not conspicuously dentate on inner margins, partly covered by very short, dense pubescence. Pereiopods 2-4 subequal, pereiopod 5 smaller, all smooth, little compressed, dactyli acute, nearly straight, those pereiopod 5 longer, more slender than preceding pairs. Abdomen of female nearly circular in outline, covers entire sternal surface; six somites and telson separated, fourth, fifth and sixth being subequal, larger than others (modified from Holmes, 1895).
</paragraph>
</subSubSection>
<subSubSection id="C35A652EFFF2FFE2FF158DF93FF2BC4B" box="[199,1240,1767,1792]" pageId="12" pageNumber="323" type="distribution">
<paragraph id="8BFF36A5FFF2FFE2FF158DF93FF2BC4B" blockId="12.[151,1437,1263,2009]" box="[199,1240,1767,1792]" pageId="12" pageNumber="323">
<emphasis id="B934EAB7FFF2FFE2FF158DF93A4ABC4B" bold="true" box="[199,352,1767,1792]" pageId="12" pageNumber="323">Distribution.</emphasis>
Santa Cruz (
<typeStatus id="54FB8807FFF2FFE2FE238DF63909BC4B" box="[497,547,1768,1792]" pageId="12" pageNumber="323">type</typeStatus>
locality), Monterey,
<collectingRegion id="4984F847FFF2FFE2FCDC8DF938A9BC4B" box="[782,899,1767,1792]" country="United States of America" name="California" pageId="12" pageNumber="323">California</collectingRegion>
,
<collectingCountry id="F3577635FFF2FFE2FC5C8DF638F1BC4B" box="[910,987,1768,1792]" name="United States of America" pageId="12" pageNumber="323">U.S.A.</collectingCountry>
(Holmes 1895, 1900).
</paragraph>
</subSubSection>
<subSubSection id="C35A652EFFF2FFE2FF158C123AA4BC6E" box="[199,398,1804,1829]" pageId="12" pageNumber="323" type="biology_ecology">
<paragraph id="8BFF36A5FFF2FFE2FF158C123AA4BC6E" blockId="12.[151,1437,1263,2009]" box="[199,398,1804,1829]" pageId="12" pageNumber="323">
<emphasis id="B934EAB7FFF2FFE2FF158C123A3BBC6E" bold="true" box="[199,273,1804,1829]" pageId="12" pageNumber="323">Hosts.</emphasis>
Unknown.
</paragraph>
</subSubSection>
<subSubSection id="C35A652EFFF2FFE3FF158C3138EAB8CB" lastPageId="13" lastPageNumber="324" pageId="12" pageNumber="323" type="discussion">
<paragraph id="8BFF36A5FFF2FFE3FF158C3138EAB8CB" blockId="12.[151,1437,1263,2009]" lastBlockId="13.[151,1437,151,896]" lastPageId="13" lastPageNumber="324" pageId="12" pageNumber="323">
<materialsCitation id="3B283CF8FFF2FFE2FF158C313846BCDB" ID-GBIF-Occurrence="1314772767" collectingDate="1906-04-18" country="United States of America" county="San Francisco" location="Santa Cruz" municipality="Sciences" pageId="12" pageNumber="323" specimenCount="2" stateProvince="California" typeStatus="syntype">
<emphasis id="B934EAB7FFF2FFE2FF158C313A11BC03" bold="true" box="[199,315,1839,1864]" pageId="12" pageNumber="323">Remarks.</emphasis>
<taxonomicName id="4C404D26FFF2FFE2FE918C31393FBC03" box="[323,533,1839,1864]" class="Malacostraca" family="Pinnotheridae" genus="Pinnotheres" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="323" phylum="Arthropoda" rank="species" species="nudus">
<emphasis id="B934EAB7FFF2FFE2FE918C31393FBC03" box="[323,533,1839,1864]" italics="true" pageId="12" pageNumber="323">Pinnotheres nudus</emphasis>
</taxonomicName>
is known by its original description based on two
<typeStatus id="54FB8807FFF2FFE2FB898C2F3F98BC02" box="[1115,1202,1841,1865]" pageId="12" pageNumber="323" type="syntype">syntype</typeStatus>
females collected at
<location id="8E9F607EFFF2FFE2FF458C4A3A3CBC27" LSID="urn:lsid:plazi:treatment:03E987B3FFF2FFE3FF458F9B38EAB8CB:8E9F607EFFF2FFE2FF458C4A3A3CBC27" box="[151,278,1876,1900]" country="United States of America" county="San Francisco" municipality="Sciences" name="Santa Cruz" pageId="12" pageNumber="323" stateProvince="California">Santa Cruz</location>
,
<collectingRegion id="4984F847FFF2FFE2FEF38C4A3ABCBC26" box="[289,406,1876,1901]" country="United States of America" name="California" pageId="12" pageNumber="323">California</collectingRegion>
,
<collectingCountry id="F3577635FFF2FFE2FE738C4A3AC4BC27" box="[417,494,1876,1900]" name="United States of America" pageId="12" pageNumber="323">U.S.A.</collectingCountry>
The two
<typeStatus id="54FB8807FFF2FFE2FD888C4B3996BC26" box="[602,700,1877,1901]" pageId="12" pageNumber="323" type="syntype">syntypes</typeStatus>
deposited in the
<collectingRegion id="4984F847FFF2FFE2FCAC8C4A38C5BC26" box="[894,1007,1876,1901]" country="United States of America" name="California" pageId="12" pageNumber="323">California</collectingRegion>
Academy of
<collectingMunicipality id="6B9BACDFFFF2FFE2FB5A8C4A3FC0BC26" box="[1160,1258,1876,1901]" pageId="12" pageNumber="323">Sciences</collectingMunicipality>
were destroyed in the
<collectingCounty id="629E4E29FFF2FFE2FF328C663AAABCDB" box="[224,384,1911,1936]" pageId="12" pageNumber="323">San Francisco</collectingCounty>
fire after the earthquake of
<date id="FFFE1065FFF2FFE2FD138C693846BCDB" box="[705,876,1911,1936]" pageId="12" pageNumber="323" value="1906-04-18">
<collectingDate id="EFBAE98DFFF2FFE2FD138C693846BCDB" box="[705,876,1911,1936]" pageId="12" pageNumber="323" value="1906-04-18">April 18, 1906</collectingDate>
</date>
</materialsCitation>
.
<materialsCitation id="3B283CF8FFF2FFE3FCAA8C6738EAB8CB" ID-GBIF-Occurrence="1314772772" country="United States of America" county="The" lastPageId="13" lastPageNumber="324" location="Holmes" municipality="The" pageId="12" pageNumber="323" specimenCount="1" stateProvince="California" typeStatus="syntype">
Measurements of the
<typeStatus id="54FB8807FFF2FFE2FBBD8C673FFBBCDA" box="[1135,1233,1913,1937]" pageId="12" pageNumber="323" type="syntype">syntypes</typeStatus>
given by
<location id="8E9F607EFFF2FFE2FA978C693EB6BCDB" LSID="urn:lsid:plazi:treatment:03E987B3FFF2FFE3FF458F9B38EAB8CB:8E9F607EFFF2FFE2FA978C693EB6BCDB" box="[1349,1436,1911,1936]" country="United States of America" county="The" municipality="The" name="Holmes" pageId="12" pageNumber="323" stateProvince="California">Holmes</location>
(1895) (cl
<quantity id="4CB89B40FFF2FFE2FEDF8C823A74BCFF" box="[269,350,1948,1972]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="12" pageNumber="323" unit="mm" value="20.0">20 mm</quantity>
, cw
<quantity id="4CB89B40FFF2FFE2FE408C823ACEBCFF" box="[402,484,1948,1972]" metricMagnitude="-2" metricUnit="m" metricValue="2.4" pageId="12" pageNumber="323" unit="mm" value="24.0">24 mm</quantity>
; cl
<quantity id="4CB89B40FFF2FFE2FDD98C82395BBCFF" box="[523,625,1948,1973]" metricMagnitude="-2" metricUnit="m" metricValue="1.55" pageId="12" pageNumber="323" unit="mm" value="15.5">15.5 mm</quantity>
, cw
<quantity id="4CB89B40FFF2FFE2FD768C8239DDBCFF" box="[676,759,1948,1972]" metricMagnitude="-2" metricUnit="m" metricValue="1.9" pageId="12" pageNumber="323" unit="mm" value="19.0">19 mm</quantity>
).
<location id="8E9F607EFFF2FFE2FCD98C833818BCFF" LSID="urn:lsid:plazi:treatment:03E987B3FFF2FFE3FF458F9B38EAB8CB:8E9F607EFFF2FFE2FCD98C833818BCFF" box="[779,818,1949,1972]" country="United States of America" county="The" municipality="The" name="For" pageId="12" pageNumber="323" stateProvince="California">For</location>
more than a century there have been no new published records for this species.
<location id="8E9F607EFFF2FFE2FE658CDE3939BC93" LSID="urn:lsid:plazi:treatment:03E987B3FFF2FFE3FF458F9B38EAB8CB:8E9F607EFFF2FFE2FE658CDE3939BC93" box="[439,531,1984,2008]" country="United States of America" county="The" municipality="The" name="Campos" pageId="12" pageNumber="323" stateProvince="California">Campos</location>
&amp;
<location id="8E9F607EFFF2FFE2FDED8CDE398EBC92" LSID="urn:lsid:plazi:treatment:03E987B3FFF2FFE3FF458F9B38EAB8CB:8E9F607EFFF2FFE2FDED8CDE398EBC92" box="[575,676,1984,2009]" country="United States of America" county="The" municipality="The" name="Manning" pageId="12" pageNumber="323" stateProvince="California">Manning</location>
(2000) nevertheless suggested that
<taxonomicName id="4C404D26FFF2FFE2FB9B8CDF3F81BC92" box="[1097,1195,1984,2009]" class="Malacostraca" family="Pinnotheridae" genus="Pinnotheres" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="323" phylum="Arthropoda" rank="species" species="nudus">
<emphasis id="B934EAB7FFF2FFE2FB9B8CDF3F81BC92" box="[1097,1195,1984,2009]" italics="true" pageId="12" pageNumber="323">P. nudus</emphasis>
</taxonomicName>
should be placed in synonymy with
<taxonomicName id="4C404D26FFF3FFE3FE868B89394ABBFB" box="[340,608,151,176]" class="Malacostraca" family="Pinnotheridae" genus="Opisthopus" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="324" phylum="Arthropoda" rank="species" species="transversus">
<emphasis id="B934EAB7FFF3FFE3FE868B89394ABBFB" box="[340,608,151,176]" italics="true" pageId="13" pageNumber="324">Opisthopus transversus</emphasis>
</taxonomicName>
.
<location id="8E9F607EFFF3FFE3FDA18B893983BBFB" LSID="urn:lsid:plazi:treatment:03E987B3FFF2FFE3FF458F9B38EAB8CB:8E9F607EFFF3FFE3FDA18B893983BBFB" box="[627,681,151,176]" country="United States of America" county="The" municipality="The" name="Both" pageId="13" pageNumber="324" stateProvince="California">Both</location>
species share several features including a large antenna, visible dorsally (
<figureCitation id="137B2A20FFF3FFE3FED18BA23A73BB9F" box="[259,345,188,213]" captionStart="FIGURE 4. A – D" captionStartId="11.[151,250,1226,1248]" captionTargetBox="[158,1426,205,1199]" captionTargetId="figure@11.[151,1435,193,1205]" captionTargetPageId="11" captionText="FIGURE 4. A – D, Opisthopus transversus Rathbun, 1918 from Punta San Miguel, Todos Santos Bay, Ensenada, Baja California, Mexico. E-H, Pinnotheres nudus Holmes, 1895, from Santa Cruz, California, U. S. A. Adult female: A, E, carapace, dorsal view; B, F, abdomen; C, G, right and left cheliped respectively, outer aspect; D, H, third maxilliped, outer view. A – C, scale 1: 0.5 mm; 2: 0.1 mm; E – H, not to scale." httpUri="https://zenodo.org/record/265683/files/figure.png" pageId="13" pageNumber="324">Fig 4A</figureCitation>
, E), a third maxilliped with a carpus that is shorter than the spatulate propodus, and a spoonshaped dactylus that is inserted proximally on the ventral margin of the propodus, with its apex extending beyond the tip of this article (
<figureCitation id="137B2A20FFF3FFE3FE458A1A3ADEBA57" box="[407,500,260,285]" captionStart="FIGURE 4. A – D" captionStartId="11.[151,250,1226,1248]" captionTargetBox="[158,1426,205,1199]" captionTargetId="figure@11.[151,1435,193,1205]" captionTargetPageId="11" captionText="FIGURE 4. A – D, Opisthopus transversus Rathbun, 1918 from Punta San Miguel, Todos Santos Bay, Ensenada, Baja California, Mexico. E-H, Pinnotheres nudus Holmes, 1895, from Santa Cruz, California, U. S. A. Adult female: A, E, carapace, dorsal view; B, F, abdomen; C, G, right and left cheliped respectively, outer aspect; D, H, third maxilliped, outer view. A – C, scale 1: 0.5 mm; 2: 0.1 mm; E – H, not to scale." httpUri="https://zenodo.org/record/265683/files/figure.png" pageId="13" pageNumber="324">Fig. 4D</figureCitation>
, H).
<location id="8E9F607EFFF3FFE3FDE38A1A394DBA56" LSID="urn:lsid:plazi:treatment:03E987B3FFF2FFE3FF458F9B38EAB8CB:8E9F607EFFF3FFE3FDE38A1A394DBA56" box="[561,615,260,285]" country="United States of America" county="The" municipality="The" name="Both" pageId="13" pageNumber="324" stateProvince="California">Both</location>
species possess pereiopods 2–4 that are subequal in length and shape, whereas the pereiopods 5 are the shortest.
<location id="8E9F607EFFF3FFE3FDBE8A3939D1BA0B" LSID="urn:lsid:plazi:treatment:03E987B3FFF2FFE3FF458F9B38EAB8CB:8E9F607EFFF3FFE3FDBE8A3939D1BA0B" box="[620,763,295,320]" country="United States of America" county="The" municipality="The" name="Furthermore" pageId="13" pageNumber="324" stateProvince="California">Furthermore</location>
, the abdomen (
<figureCitation id="137B2A20FFF3FFE3FC718A3938D9BA0B" box="[931,1011,295,320]" captionStart="FIGURE 4. A – D" captionStartId="11.[151,250,1226,1248]" captionTargetBox="[158,1426,205,1199]" captionTargetId="figure@11.[151,1435,193,1205]" captionTargetPageId="11" captionText="FIGURE 4. A – D, Opisthopus transversus Rathbun, 1918 from Punta San Miguel, Todos Santos Bay, Ensenada, Baja California, Mexico. E-H, Pinnotheres nudus Holmes, 1895, from Santa Cruz, California, U. S. A. Adult female: A, E, carapace, dorsal view; B, F, abdomen; C, G, right and left cheliped respectively, outer aspect; D, H, third maxilliped, outer view. A – C, scale 1: 0.5 mm; 2: 0.1 mm; E – H, not to scale." httpUri="https://zenodo.org/record/265683/files/figure.png" pageId="13" pageNumber="324">Fig 4B</figureCitation>
, E) is nearly circular, composed of six somites and a freely articulating telson, with somites 4–6 subequal and larger than the others.
<location id="8E9F607EFFF3FFE3FB3C8A523E72BA2E" LSID="urn:lsid:plazi:treatment:03E987B3FFF2FFE3FF458F9B38EAB8CB:8E9F607EFFF3FFE3FB3C8A523E72BA2E" box="[1262,1368,332,357]" country="United States of America" county="The" municipality="The" name="Although" pageId="13" pageNumber="324" stateProvince="California">Although</location>
these shared features may suggest that both species are synonymous, a reappraisal of their morphology showed some important features that were overlooked by
<location id="8E9F607EFFF3FFE3FD4A8A8A39DEBAE7" LSID="urn:lsid:plazi:treatment:03E987B3FFF2FFE3FF458F9B38EAB8CB:8E9F607EFFF3FFE3FD4A8A8A39DEBAE7" box="[664,756,404,428]" country="United States of America" county="The" municipality="The" name="Campos" pageId="13" pageNumber="324" stateProvince="California">Campos</location>
&amp;
<location id="8E9F607EFFF3FFE3FCF28A8A38AFBAE6" LSID="urn:lsid:plazi:treatment:03E987B3FFF2FFE3FF458F9B38EAB8CB:8E9F607EFFF3FFE3FCF28A8A38AFBAE6" box="[800,901,404,429]" country="United States of America" county="The" municipality="The" name="Manning" pageId="13" pageNumber="324" stateProvince="California">Manning</location>
(2000).
<taxonomicName id="4C404D26FFF3FFE3FC3E8A8A3FEABAE6" box="[1004,1216,404,429]" class="Malacostraca" family="Pinnotheridae" genus="Pinnotheres" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="324" phylum="Arthropoda" rank="species" species="nudus">
<emphasis id="B934EAB7FFF3FFE3FC3E8A8A3FEABAE6" box="[1004,1216,404,429]" italics="true" pageId="13" pageNumber="324">Pinnotheres nudus</emphasis>
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has a front that is deflexed, rounded, not protruding (
<figureCitation id="137B2A20FFF3FFE3FDE48AA939AABA9B" box="[566,640,439,464]" captionStart="FIGURE 4. A – D" captionStartId="11.[151,250,1226,1248]" captionTargetBox="[158,1426,205,1199]" captionTargetId="figure@11.[151,1435,193,1205]" captionTargetPageId="11" captionText="FIGURE 4. A – D, Opisthopus transversus Rathbun, 1918 from Punta San Miguel, Todos Santos Bay, Ensenada, Baja California, Mexico. E-H, Pinnotheres nudus Holmes, 1895, from Santa Cruz, California, U. S. A. Adult female: A, E, carapace, dorsal view; B, F, abdomen; C, G, right and left cheliped respectively, outer aspect; D, H, third maxilliped, outer view. A – C, scale 1: 0.5 mm; 2: 0.1 mm; E – H, not to scale." httpUri="https://zenodo.org/record/265683/files/figure.png" pageId="13" pageNumber="324">Fig. 4</figureCitation>
E), the central portion continued downward as a triangular process between the antennules; the subconical fingers of the chela are not conspicuously dentate along the inner margins, and although described as long as the palm, the original figure shows that both pollex and dactylus are longer than the palm (
<figureCitation id="137B2A20FFF3FFE3FEDB893A3A64B977" box="[265,334,548,573]" captionStart="FIGURE 4. A – D" captionStartId="11.[151,250,1226,1248]" captionTargetBox="[158,1426,205,1199]" captionTargetId="figure@11.[151,1435,193,1205]" captionTargetPageId="11" captionText="FIGURE 4. A – D, Opisthopus transversus Rathbun, 1918 from Punta San Miguel, Todos Santos Bay, Ensenada, Baja California, Mexico. E-H, Pinnotheres nudus Holmes, 1895, from Santa Cruz, California, U. S. A. Adult female: A, E, carapace, dorsal view; B, F, abdomen; C, G, right and left cheliped respectively, outer aspect; D, H, third maxilliped, outer view. A – C, scale 1: 0.5 mm; 2: 0.1 mm; E – H, not to scale." httpUri="https://zenodo.org/record/265683/files/figure.png" pageId="13" pageNumber="324">Fig. 4</figureCitation>
G), and the dactyli of pereiopods 2–4 are acute, nearly straight whereas those of pereiopods 5 are relatively longer and more slender than in the preceding pairs.
<location id="8E9F607EFFF3FFE3FC8F8956385EB914" LSID="urn:lsid:plazi:treatment:03E987B3FFF2FFE3FF458F9B38EAB8CB:8E9F607EFFF3FFE3FC8F8956385EB914" box="[861,884,584,607]" country="United States of America" county="The" municipality="The" name="In" pageId="13" pageNumber="324" stateProvince="California">In</location>
contrast,
<taxonomicName id="4C404D26FFF3FFE3FC3689563FA2B92B" box="[996,1160,584,608]" class="Malacostraca" family="Pinnotheridae" genus="Opisthopus" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="324" phylum="Arthropoda" rank="species" species="transversus">
<emphasis id="B934EAB7FFF3FFE3FC3689563FA2B92B" box="[996,1160,584,608]" italics="true" pageId="13" pageNumber="324">O. transversus</emphasis>
</taxonomicName>
has a slightly produced, deflexed, almost straight, emarginate front (
<figureCitation id="137B2A20FFF3FFE3FD42897239C4B9CF" box="[656,750,620,645]" captionStart="FIGURE 4. A – D" captionStartId="11.[151,250,1226,1248]" captionTargetBox="[158,1426,205,1199]" captionTargetId="figure@11.[151,1435,193,1205]" captionTargetPageId="11" captionText="FIGURE 4. A – D, Opisthopus transversus Rathbun, 1918 from Punta San Miguel, Todos Santos Bay, Ensenada, Baja California, Mexico. E-H, Pinnotheres nudus Holmes, 1895, from Santa Cruz, California, U. S. A. Adult female: A, E, carapace, dorsal view; B, F, abdomen; C, G, right and left cheliped respectively, outer aspect; D, H, third maxilliped, outer view. A – C, scale 1: 0.5 mm; 2: 0.1 mm; E – H, not to scale." httpUri="https://zenodo.org/record/265683/files/figure.png" pageId="13" pageNumber="324">Fig. 4A</figureCitation>
); the fingers of the chela are shorter than the palm and the cutting edge of the fingers has one small tooth at the base of dactylus and two or three at base of the pollex (
<figureCitation id="137B2A20FFF3FFE3FABD89913B90B987" captionStart="FIGURE 4. A – D" captionStartId="11.[151,250,1226,1248]" captionTargetBox="[158,1426,205,1199]" captionTargetId="figure@11.[151,1435,193,1205]" captionTargetPageId="11" captionText="FIGURE 4. A – D, Opisthopus transversus Rathbun, 1918 from Punta San Miguel, Todos Santos Bay, Ensenada, Baja California, Mexico. E-H, Pinnotheres nudus Holmes, 1895, from Santa Cruz, California, U. S. A. Adult female: A, E, carapace, dorsal view; B, F, abdomen; C, G, right and left cheliped respectively, outer aspect; D, H, third maxilliped, outer view. A – C, scale 1: 0.5 mm; 2: 0.1 mm; E – H, not to scale." httpUri="https://zenodo.org/record/265683/files/figure.png" pageId="13" pageNumber="324">Fig. 4C</figureCitation>
), and the dactyli of pereiopods 2–4 are uniformly curved and small, whereas the dactyli of the pereiopods 5 are no longer than those of pereiopods 2–4 and all are of similar shape.
<location id="8E9F607EFFF3FFE3FC5989C938E4B9BB" LSID="urn:lsid:plazi:treatment:03E987B3FFF2FFE3FF458F9B38EAB8CB:8E9F607EFFF3FFE3FC5989C938E4B9BB" box="[907,974,727,752]" country="United States of America" county="The" municipality="The" name="These" pageId="13" pageNumber="324" stateProvince="California">These</location>
features allow to clearly distinguish both species so
<taxonomicName id="4C404D26FFF3FFE3FEC089E33A58B85E" box="[274,370,764,789]" class="Malacostraca" family="Pinnotheridae" genus="Pinnotheres" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="324" phylum="Arthropoda" rank="species" species="nudus">
<emphasis id="B934EAB7FFF3FFE3FEC089E33A58B85E" box="[274,370,764,789]" italics="true" pageId="13" pageNumber="324">P. nudus</emphasis>
</taxonomicName>
should be removed from the synonymy of
<taxonomicName id="4C404D26FFF3FFE3FCB689E338D4B85F" box="[868,1022,765,788]" class="Malacostraca" family="Pinnotheridae" genus="Opisthopus" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="324" phylum="Arthropoda" rank="species" species="transverus">
<emphasis id="B934EAB7FFF3FFE3FCB689E338D4B85F" box="[868,1022,765,788]" italics="true" pageId="13" pageNumber="324">O. transverus</emphasis>
</taxonomicName>
and considered a valid species.
<collectingMunicipality id="6B9BACDFFFF3FFE3FAA289E23EB6B85E" box="[1392,1436,764,789]" pageId="13" pageNumber="324">The</collectingMunicipality>
morphology of the third maxilliped described above and the shape and relative length of the dactyli of pereiopods 2–5 support the exclusion of
<taxonomicName id="4C404D26FFF3FFE3FDD1885B3943B816" box="[515,617,836,861]" class="Malacostraca" family="Pinnotheridae" genus="Pinnotheres" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="324" phylum="Arthropoda" rank="species" species="nudus">
<emphasis id="B934EAB7FFF3FFE3FDD1885B3943B816" box="[515,617,836,861]" italics="true" pageId="13" pageNumber="324">P. nudus</emphasis>
</taxonomicName>
from
<taxonomicName id="4C404D26FFF3FFE3FD6F885A38F1B817" authority="Bosc, 1802" authorityName="Bosc" authorityYear="1802" box="[701,987,836,861]" class="Malacostraca" family="Pinnotheridae" genus="Pinnotheres" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="324" phylum="Arthropoda" rank="genus">
<emphasis id="B934EAB7FFF3FFE3FD6F885A3869B816" box="[701,835,836,861]" italics="true" pageId="13" pageNumber="324">Pinnotheres</emphasis>
Bosc, 1802
</taxonomicName>
.
<collectingCounty id="629E4E29FFF3FFE3FC3F885A3F33B816" box="[1005,1049,836,861]" pageId="13" pageNumber="324">The</collectingCounty>
species is nevertheless retained temporally in
<taxonomicName id="4C404D26FFF3FFE3FEE688793A90B8CB" box="[308,442,871,896]" class="Malacostraca" family="Pinnotheridae" genus="Pinnotheres" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="324" phylum="Arthropoda" rank="genus">
<emphasis id="B934EAB7FFF3FFE3FEE688793A90B8CB" box="[308,442,871,896]" italics="true" pageId="13" pageNumber="324">Pinnotheres</emphasis>
</taxonomicName>
awaiting the collection of additional material.
</materialsCitation>
</paragraph>
</subSubSection>
</treatment>
</document>
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