369 lines
52 KiB
XML
369 lines
52 KiB
XML
<document id="BAC48E3BB3BC7BDBBB99B900382B24E4" ID-CLB-Dataset="24185" ID-DOI="10.11646/zootaxa.4731.1.5" ID-GBIF-Dataset="f24b4ebb-c309-431f-996d-c677b5582202" ID-ISSN="1175-5326" ID-Zenodo-Dep="3635652" ID-ZooBank="6C467606-BFA4-468D-ABBB-ECE3B2AE59C6" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1580819012913" checkinUser="plazi" docAuthor="Anker, Arthur" docDate="2020" docId="03ED87EDFFC59D7F8FB8FBF9FB72FC82" docLanguage="en" docName="zootaxa.4731.1.5.pdf" docOrigin="Zootaxa 4731 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Pachelpheus Anker 2020, gen. nov." docType="treatment" docVersion="6" lastPageNumber="78" masterDocId="FFD4FF95FFC49D7C8F2FFFB8FF8CFF95" masterDocTitle="A remarkable burrow-dwelling alpheid shrimp, new genus and new species, from the tropical eastern Pacific (Malacostraca: Decapoda: Caridea)" masterLastPageNumber="88" masterPageNumber="75" pageNumber="76" updateTime="1698780339262" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="523EABCFFD3EA82CF4EB0BA7565B49CB">A remarkable burrow-dwelling alpheid shrimp, new genus and new species, from the tropical eastern Pacific (Malacostraca: Decapoda: Caridea)</mods:title>
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<mods:namePart id="730D4F1E35F5F025746C6F6A52F645CE">Anker, Arthur</mods:namePart>
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<mods:title id="0F19FA328404B5800100A92C248E4E89">Zootaxa</mods:title>
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<mods:date id="03EFCA52FC0D2F0AF73E14E3658587FC">2020</mods:date>
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<mods:number id="1C907581DF2D4623580CA1A201B2F7E1">2020-02-04</mods:number>
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<mods:number id="EE926C7BB51B1FD6A57300903B638B1D">4731</mods:number>
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<mods:identifier id="62CDA3829E5038BB1678247F7473DD77" type="DOI">10.11646/zootaxa.4731.1.5</mods:identifier>
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<treatment id="03ED87EDFFC59D7F8FB8FBF9FB72FC82" ID-GBIF-Taxon="161939306" LSID="urn:lsid:plazi:treatment:03ED87EDFFC59D7F8FB8FBF9FB72FC82" httpUri="http://treatment.plazi.org/id/03ED87EDFFC59D7F8FB8FBF9FB72FC82" lastPageId="3" lastPageNumber="78" pageId="1" pageNumber="76">
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<subSubSection id="C35E6570FFC59D7D8FB8FBF9FE2BFBCE" box="[151,423,1089,1116]" pageId="1" pageNumber="76" type="nomenclature">
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<paragraph id="8BFB36FBFFC59D7D8FB8FBF9FE2BFBCE" blockId="1.[151,423,1089,1116]" box="[151,423,1089,1116]" pageId="1" pageNumber="76">
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<heading id="D0B38197FFC59D7D8FB8FBF9FE2BFBCE" bold="true" box="[151,423,1089,1116]" fontSize="11" level="1" pageId="1" pageNumber="76" reason="1">
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<emphasis id="B930EAE9FFC59D7D8FB8FBF9FE2BFBCE" bold="true" box="[151,423,1089,1116]" pageId="1" pageNumber="76">
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<taxonomicName id="4C444D78FFC59D7D8FB8FBF9FEBEFBC9" ID-CoL="86B53" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" box="[151,306,1089,1116]" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="76" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="B930EAE9FFC59D7D8FB8FBF9FEBEFBC9" bold="true" box="[151,306,1089,1116]" italics="true" pageId="1" pageNumber="76">Pachelpheus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A2035792FFC59D7D8E16FBF9FE2BFBCE" box="[313,423,1089,1115]" pageId="1" pageNumber="76" rank="genus">gen. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C35E6570FFC59D7E8FB8FB30FD02FF42" lastPageId="2" lastPageNumber="77" pageId="1" pageNumber="76" type="diagnosis">
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<paragraph id="8BFB36FBFFC59D7E8FB8FB30FD02FF42" blockId="1.[151,1437,1160,2015]" lastBlockId="2.[151,1437,152,2015]" lastPageId="2" lastPageNumber="77" pageId="1" pageNumber="76">
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<emphasis id="B930EAE9FFC59D7D8FB8FB30FE86FB36" bold="true" box="[151,266,1160,1187]" pageId="1" pageNumber="76">Diagnosis</emphasis>
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. Body moderately slender, slightly compressed. Carapace smooth, unarmed; frontal margin with broadly rounded rostral projection, without orbital teeth; pterygostomial angle rounded, slightly produced anteriorly; cardiac notch well developed. First to fifth pleonites rounded posteroventrally; sixth pleonite with articulated plate. Telson broad, with two pairs of small cuspidate setae on dorsal surface; posterior margin rounded, with two pairs of stout spiniform setae, mesial very long; anal tubercles absent. Eyes fully concealed in dorsal view, partly exposed in lateral view. Antennular peduncle stout, with sharp tooth on mesioventral carina of first article; stylocerite short, appressed, with blunt tip not reaching distal margin of first article; lateral flagellum with well-developed accessory ramus. Antenna with very stout basicerite armed with large triangular tooth; scaphocerite short, not reaching end of antennular peduncle, with blade somewhat reduced and not reaching small distolateral tooth; carpocerite robust, overreaching both scaphocerite and antennular peduncle. Mouthparts not particularly modified, typical for family; mandible with palp subtly subdivided into two articles; maxillule, maxilla, first and second maxillipeds without particular features. Third maxilliped narrow, pediform; coxa with broadly square-shaped lateral plate; ultimate article slightly tapering, tip armed with two robust spiniform setae. Chelipeds modestly enlarged, equal in size and symmetrical in shape, carried extended; basis and ischium short, robust; merus very robust, flattened ventrally, unarmed; carpus short, cup-shaped, mesial surface without setal rows; chela slightly enlarged, smooth, without grooves, subcylindrical; fingers without snapping mechanism, cutting edge of each finger armed with one simple large stout tooth. Second pereiopod with ischium unarmed; merus distinctly shorter than ischium; carpus with five subarticles, first longest; chela simple. Third, fourth and fifth pereiopods robust; ischia with one cuspidate seta; meri with two, three and four very thick cuspidate setae, respectively; carpi with small distoventral spiniform seta; propodi of third and fourth pereiopod with one or two slender spiniform setae, propodus of fifth pereiopod with well-developed setal brush; dactyli simple, conical. Second pleopod with appendix masculina in males only. Uropod with broadly rounded lateral lobe of protopod; exopod without distolateral tooth, two thick distolateral spiniform setae originating from swollen, somewhat elevated lateral portion of diaeresis; distal and distomesial margins of exopod and endopod with row of slender spiniform setae. Gill/exopod formula: 5 pleurobranchs (above P1–5); 1 arthrobranch (at Mxp3); 0 podobranchs; 2 lobe-shaped epipods (Mxp1–2); 5 mastigobranchs (Mxp3, P1–4), 5 sets of setobranchs (P1–5); 3 exopods (Mxp1–3).
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</paragraph>
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</subSubSection>
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<subSubSection id="C35E6570FFC69D7E8FE8FF59FDA4FE8A" pageId="2" pageNumber="77" type="type_taxon">
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<paragraph id="8BFB36FBFFC69D7E8FE8FF59FB95FF6E" blockId="2.[151,1437,152,2015]" box="[199,1049,224,251]" pageId="2" pageNumber="77">
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<emphasis id="B930EAE9FFC69D7E8FE8FF59FED7FF6E" bold="true" box="[199,347,224,251]" pageId="2" pageNumber="77">
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<typeStatus id="54FF8859FFC69D7E8FE8FF59FE8EFF6E" box="[199,258,225,251]" pageId="2" pageNumber="77">Type</typeStatus>
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species
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</emphasis>
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.
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<taxonomicName id="4C444D78FFC69D7E8E46FF59FD2BFF6E" ID-CoL="86BB6" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" box="[361,679,225,251]" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="species" species="pachyacanthus" status="sp. nov.">
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<emphasis id="B930EAE9FFC69D7E8E46FF59FD2BFF6E" box="[361,679,225,251]" italics="true" pageId="2" pageNumber="77">Pachelpheus pachyacanthus</emphasis>
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</taxonomicName>
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<emphasis id="B930EAE9FFC69D7E8D81FF59FC84FF6E" bold="true" box="[686,776,225,251]" pageId="2" pageNumber="77">
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<taxonomicNameLabel id="A2035792FFC69D7E8D81FF59FC84FF6E" box="[686,776,225,251]" pageId="2" pageNumber="77" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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, by present designation.
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</paragraph>
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<paragraph id="8BFB36FBFFC69D7E8FE8FEBCFDA4FE8A" blockId="2.[151,1437,152,2015]" box="[199,552,260,287]" pageId="2" pageNumber="77">
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<emphasis id="B930EAE9FFC69D7E8FE8FEBCFE5AFE8A" bold="true" box="[199,470,260,287]" pageId="2" pageNumber="77">Other species included</emphasis>
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. None.
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</paragraph>
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</subSubSection>
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<subSubSection id="C35E6570FFC69D7E8FE8FE90FB33FED6" box="[199,1215,296,323]" pageId="2" pageNumber="77" type="distribution">
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<paragraph id="8BFB36FBFFC69D7E8FE8FE90FB33FED6" blockId="2.[151,1437,152,2015]" box="[199,1215,296,323]" pageId="2" pageNumber="77">
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<emphasis id="B930EAE9FFC69D7E8FE8FE90FED5FED6" bold="true" box="[199,345,296,323]" pageId="2" pageNumber="77">Distribution</emphasis>
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. Eastern Pacific: currently only known from the Coiba Archipelago,
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<collectingCountry id="F353766BFFC69D7E8B71FE91FB36FED6" box="[1118,1210,297,323]" name="Panama" pageId="2" pageNumber="77">Panama</collectingCountry>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C35E6570FFC69D7E8FE8FEF5FD0DFE46" pageId="2" pageNumber="77" type="etymology">
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<paragraph id="8BFB36FBFFC69D7E8FE8FEF5FD0DFE46" blockId="2.[151,1437,152,2015]" pageId="2" pageNumber="77">
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<emphasis id="B930EAE9FFC69D7E8FE8FEF5FEC4FEF2" bold="true" box="[199,328,333,359]" pageId="2" pageNumber="77">Etymology</emphasis>
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. The new genus is named after the author’s friend and Brazilian caridean shrimp expert, Paulo P.G. Pachelle, who participated in the collection of the below described
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<typeStatus id="54FF8859FFC69D7E8CA3FEC9FC30FE1E" box="[908,956,369,395]" pageId="2" pageNumber="77">type</typeStatus>
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species. The name is a combination of the first six letters of Paulo’s second (citation) name and the last five letters of
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<taxonomicName id="4C444D78FFC69D7E8CF1FE2DFB7CFE3A" authority="Fabricius, 1798" authorityName="Fabricius" authorityYear="1798" box="[990,1264,405,431]" class="Malacostraca" family="Alpheidae" genus="Alpheus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus">
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<emphasis id="B930EAE9FFC69D7E8CF1FE2DFBB4FE3A" box="[990,1080,405,431]" italics="true" pageId="2" pageNumber="77">Alpheus</emphasis>
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<bibRefCitation id="EFD54B0AFFC69D7E8B10FE2DFB7CFE3A" author="Fabricius, J. C." box="[1087,1264,405,431]" pageId="2" pageNumber="77" refId="ref8094" refString="Fabricius, J. C. (1798) Supplementum Entomologiae Systematicae. Proft et Storch, Hafniae (Copenhagen), 572 pp." type="book" year="1798">Fabricius, 1798</bibRefCitation>
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</taxonomicName>
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, the
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<typeStatus id="54FF8859FFC69D7E8A0BFE2DFAD8FE3A" box="[1316,1364,405,431]" pageId="2" pageNumber="77">type</typeStatus>
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genus of the family
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<taxonomicName id="4C444D78FFC69D7E8E02FE01FE28FE46" authorityName="Rafinesque" authorityYear="1815" box="[301,420,441,467]" class="Malacostraca" family="Alpheidae" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="family">Alpheidae</taxonomicName>
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. Gender masculine.
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</paragraph>
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</subSubSection>
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<subSubSection id="C35E6570FFC69D7F8FE8FE65FB72FC82" lastPageId="3" lastPageNumber="78" pageId="2" pageNumber="77" type="discussion">
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<paragraph id="8BFB36FBFFC69D7E8FE8FE65FA18FC32" blockId="2.[151,1437,152,2015]" pageId="2" pageNumber="77">
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<emphasis id="B930EAE9FFC69D7E8FE8FE65FEB8FE62" bold="true" box="[199,308,477,503]" pageId="2" pageNumber="77">Remarks</emphasis>
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.
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<taxonomicName id="4C444D78FFC69D7E8E69FE65FE59FE62" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" box="[326,469,477,503]" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="B930EAE9FFC69D7E8E69FE65FE59FE62" box="[326,469,477,503]" italics="true" pageId="2" pageNumber="77">Pachelpheus</emphasis>
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</taxonomicName>
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<emphasis id="B930EAE9FFC69D7E8ECFFE65FDC1FE62" bold="true" box="[480,589,477,503]" pageId="2" pageNumber="77">
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<taxonomicNameLabel id="A2035792FFC69D7E8ECFFE65FDC1FE62" box="[480,589,477,503]" pageId="2" pageNumber="77" rank="genus">gen. nov.</taxonomicNameLabel>
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</emphasis>
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can be characterised and separated from all other alpheid genera by the combination of the following characters: (1) frontal margin of carapace with broadly rounded rostral projection, i.e. without a well-delimited rostrum and also without orbital teeth; (2) sixth pleonite with a triangular articulated plate (= flap) at the posteroventral angle; (3) telson with two pairs of cuspidate setae dorsally, without anal tubercles ventrally; (4) eyes concealed in dorsal view, partly visible in lateral view; (5) chelipeds equal in size, symmetrical in shape, moderately enlarged, stout, carried extended; (6) cheliped carpus without rows of setae mesially; (7) cheliped fingers without snapping mechanism, each finger armed with one stout tooth; (8) second pereiopod carpus with five subarticles; (9) third, fourth and fifth pereiopods with ischia armed with single robust cuspidate seta, meri armed with two to four unusually robust cuspidate setae; (10) second pleopod with appendix masculina in males only; (11) uropodal exopod and endopod with rows of slender spiniform setae on their distal and distomesial margins; (12) uropodal diaeresis unusually thickened laterally, with two very stout spiniform setae; and (13) lateral lobe of uropodal protopod broadly rounded, without distal tooth. The characters (9), (11) and (12) are autapomorphies for
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<taxonomicName id="4C444D78FFC69D7E8FB8FC35FEAAFC32" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" box="[151,294,909,935]" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="B930EAE9FFC69D7E8FB8FC35FEAAFC32" box="[151,294,909,935]" italics="true" pageId="2" pageNumber="77">Pachelpheus</emphasis>
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</taxonomicName>
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<emphasis id="B930EAE9FFC69D7E8E02FC35FE1AFC32" bold="true" box="[301,406,909,935]" pageId="2" pageNumber="77">
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<taxonomicNameLabel id="A2035792FFC69D7E8E02FC35FE1AFC32" box="[301,406,909,935]" pageId="2" pageNumber="77" rank="genus">gen. nov.</taxonomicNameLabel>
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</emphasis>
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for they do not occur, at least not in this form, in any other currently known alpheid genus.
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</paragraph>
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<paragraph id="8BFB36FBFFC69D7E8FE8FC09FE23FAEE" blockId="2.[151,1437,152,2015]" pageId="2" pageNumber="77">
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The phylogenetic position of
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<taxonomicName id="4C444D78FFC69D7E8D23FC09FD17FC5E" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" box="[524,667,945,971]" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="B930EAE9FFC69D7E8D23FC09FD17FC5E" box="[524,667,945,971]" italics="true" pageId="2" pageNumber="77">Pachelpheus</emphasis>
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</taxonomicName>
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<emphasis id="B930EAE9FFC69D7E8D8EFC09FC85FC5E" bold="true" box="[673,777,945,971]" pageId="2" pageNumber="77">
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<taxonomicNameLabel id="A2035792FFC69D7E8D8EFC09FC85FC5E" box="[673,777,945,971]" pageId="2" pageNumber="77" rank="genus">gen. nov.</taxonomicNameLabel>
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</emphasis>
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is presently unknown. In the eastern Pacific, the new genus appears to be at least superficially similar to
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<taxonomicName id="4C444D78FFC69D7E8DA0FC6DFC97FC7A" authorityName="Anker, Poddoubtchenko & Wehrtmann" authorityYear="2006" box="[655,795,981,1007]" class="Malacostraca" family="Alpheidae" genus="Leslibetaeus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus">
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<emphasis id="B930EAE9FFC69D7E8DA0FC6DFC97FC7A" box="[655,795,981,1007]" italics="true" pageId="2" pageNumber="77">Leslibetaeus</emphasis>
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</taxonomicName>
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, sharing with the latter genus characters (1), (3), (4), (5), (7), (8) and (10), but differing from it by characters (2), (6), (9), (11), (12) and (13).
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<taxonomicName id="4C444D78FFC69D7E8B47FC41FB7BFB86" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" box="[1128,1271,1017,1043]" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="B930EAE9FFC69D7E8B47FC41FB7BFB86" box="[1128,1271,1017,1043]" italics="true" pageId="2" pageNumber="77">Pachelpheus</emphasis>
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</taxonomicName>
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<emphasis id="B930EAE9FFC69D7E8A2FFC41FAE7FB86" bold="true" box="[1280,1387,1017,1043]" pageId="2" pageNumber="77">
|
||
<taxonomicNameLabel id="A2035792FFC69D7E8A2FFC41FAE7FB86" box="[1280,1387,1017,1043]" pageId="2" pageNumber="77" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
and
|
||
<taxonomicName id="4C444D78FFC69D7E8FB8FBA5FEAFFBA2" authorityName="Anker, Poddoubtchenko & Wehrtmann" authorityYear="2006" box="[151,291,1053,1079]" class="Malacostraca" family="Alpheidae" genus="Leslibetaeus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC69D7E8FB8FBA5FEAFFBA2" box="[151,291,1053,1079]" italics="true" pageId="2" pageNumber="77">Leslibetaeus</emphasis>
|
||
</taxonomicName>
|
||
are superficially similar in the general configuration of the frontal margin of the carapace and cephalic appendages, i.e. antennules and antennae (especially the shape and length of the scaphocerite), and also in the general shape of the chelipeds. However, in both species of
|
||
<taxonomicName id="4C444D78FFC69D7E8C35FBDDFC2AFBEA" authorityName="Anker, Poddoubtchenko & Wehrtmann" authorityYear="2006" box="[794,934,1125,1151]" class="Malacostraca" family="Alpheidae" genus="Leslibetaeus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC69D7E8C35FBDDFC2AFBEA" box="[794,934,1125,1151]" italics="true" pageId="2" pageNumber="77">Leslibetaeus</emphasis>
|
||
</taxonomicName>
|
||
, the sixth pleonite has no trace of an articulated plate at the posteroventral angle; the cheliped carpus has short transverse rows of setae on the mesial surface; the third to fifth pereiopod ischia amd meri are unarmed; the uropodal exopod and endopod are devoid of rows of slender spiniform setae on their margins, whilst the exopod has a typical, single distolateral spiniform seta (
|
||
<bibRefCitation id="EFD54B0AFFC69D7E8A7BFB69FEADFA9A" author="Anker, A. & Poddoubtchenko, D. & Wehrtmann, I. S." pageId="2" pageNumber="77" pagination="27 - 41" refId="ref7542" refString="Anker, A., Poddoubtchenko, D. & Wehrtmann, I. S. (2006 b) Leslibetaeus coibita, n. gen., n. sp., a new alpheid shrimp from the Pacific coast of Panama (Crustacea: Decapoda) Zootaxa, 1183 (1), 27 - 41. https: // doi. org / 10.11646 / zootaxa. 1183.1.2" type="journal article" year="2006">
|
||
Anker
|
||
<emphasis id="B930EAE9FFC69D7E8FB8FB4EFF5CFA9A" box="[151,208,1269,1295]" italics="true" pageId="2" pageNumber="77">et al.</emphasis>
|
||
2006b
|
||
</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFD54B0AFFC69D7E8E04FB4DFE4CFA9A" author="Anker, A." box="[299,448,1269,1295]" pageId="2" pageNumber="77" pagination="63 - 68" refId="ref6558" refString="Anker, A. (2011 c) The alpheid shrimp genus Leslibetaeus Anker, Poddoubtchenko & Wehrtmann, 2006 in the Western Atlantic, with description of a new species from Tobago (Crustacea, Decapoda). Zootaxa, 2734 (1), 63 - 68. https: // doi. org / 10.11646 / zootaxa. 2734.1.5" type="journal article" year="2011">Anker 2011c</bibRefCitation>
|
||
). In addition, at least in the
|
||
<typeStatus id="54FF8859FFC69D7E8DD4FB4DFCA7FA9A" box="[763,811,1269,1295]" pageId="2" pageNumber="77">type</typeStatus>
|
||
species of
|
||
<taxonomicName id="4C444D78FFC69D7E8C84FB4DFBBBFA9A" authorityName="Anker, Poddoubtchenko & Wehrtmann" authorityYear="2006" box="[939,1079,1269,1295]" class="Malacostraca" family="Alpheidae" genus="Leslibetaeus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC69D7E8C84FB4DFBBBFA9A" box="[939,1079,1269,1295]" italics="true" pageId="2" pageNumber="77">Leslibetaeus</emphasis>
|
||
</taxonomicName>
|
||
, the second carpal subarticle of the second pereiopod is longer than the first (
|
||
<bibRefCitation id="EFD54B0AFFC69D7E8DB4FAA1FCFBFAA1" author="Anker, A. & Poddoubtchenko, D. & Wehrtmann, I. S." box="[667,887,1305,1332]" pageId="2" pageNumber="77" pagination="27 - 41" refId="ref7542" refString="Anker, A., Poddoubtchenko, D. & Wehrtmann, I. S. (2006 b) Leslibetaeus coibita, n. gen., n. sp., a new alpheid shrimp from the Pacific coast of Panama (Crustacea: Decapoda) Zootaxa, 1183 (1), 27 - 41. https: // doi. org / 10.11646 / zootaxa. 1183.1.2" type="journal article" year="2006">
|
||
Anker
|
||
<emphasis id="B930EAE9FFC69D7E8DC4FAA2FCA9FAA6" box="[747,805,1305,1331]" italics="true" pageId="2" pageNumber="77">et al.</emphasis>
|
||
2006b
|
||
</bibRefCitation>
|
||
), as opposed to the first being much longer than the second in the new genus. All these differences suggest that
|
||
<taxonomicName id="4C444D78FFC69D7E8C42FA85FC70FAC2" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" box="[877,1020,1341,1367]" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B930EAE9FFC69D7E8C42FA85FC70FAC2" box="[877,1020,1341,1367]" italics="true" pageId="2" pageNumber="77">Pachelpheus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B930EAE9FFC69D7E8B2AFA85FBFCFAC2" bold="true" box="[1029,1136,1341,1367]" pageId="2" pageNumber="77">
|
||
<taxonomicNameLabel id="A2035792FFC69D7E8B2AFA85FBFCFAC2" box="[1029,1136,1341,1367]" pageId="2" pageNumber="77" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
and
|
||
<taxonomicName id="4C444D78FFC69D7E8B84FA85FABBFAC2" authorityName="Anker, Poddoubtchenko & Wehrtmann" authorityYear="2006" box="[1195,1335,1341,1367]" class="Malacostraca" family="Alpheidae" genus="Leslibetaeus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC69D7E8B84FA85FABBFAC2" box="[1195,1335,1341,1367]" italics="true" pageId="2" pageNumber="77">Leslibetaeus</emphasis>
|
||
</taxonomicName>
|
||
are only distantly related, if at all.
|
||
</paragraph>
|
||
<paragraph id="8BFB36FBFFC69D7E8FE8FA3DFCCFF92A" blockId="2.[151,1437,152,2015]" pageId="2" pageNumber="77">
|
||
<taxonomicName id="4C444D78FFC69D7E8FE8FA3DFE63FA0A" authority="Coutiere, 1897" authorityName="Coutiere" authorityYear="1897" box="[199,495,1413,1439]" class="Malacostraca" family="Alpheidae" genus="Alpheopsis" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC69D7E8FE8FA3DFECEFA0A" box="[199,322,1413,1439]" italics="true" pageId="2" pageNumber="77">Alpheopsis</emphasis>
|
||
<bibRefCitation id="EFD54B0AFFC69D7E8E66FA3DFE63FA0A" author="Coutiere, H." box="[329,495,1413,1439]" pageId="2" pageNumber="77" pagination="380 - 386" refId="ref7859" refString="Coutiere, H. (1897) Note sur quelques genres nouveaux ou peu connus d'Alpheides, formant la sousfamille des Alpheopsides. Bulletin du Museum d'Histoire Naturelle, 2, 380 - 386." type="journal article" year="1897">Coutière, 1897</bibRefCitation>
|
||
</taxonomicName>
|
||
is represented in the eastern Pacific by at least three species (
|
||
<bibRefCitation id="EFD54B0AFFC69D7E8BB0FA3DFAC0FA0A" author="Wicksten, M. K." box="[1183,1356,1413,1439]" pageId="2" pageNumber="77" pagination="1 - 59" refId="ref8642" refString="Wicksten, M. K. (1983) A monograph on the shallow water caridean shrimps of the Gulf of California, Mexico. Alan Hancock Monographs in Marine Biology, 13, 1 - 59." type="journal article" year="1983">Wicksten 1983</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFD54B0AFFC69D7E8A78FA3DFE28FA56" author="Wicksten, M. K. & Hendrickx, M. E." pageId="2" pageNumber="77" pagination="49 - 76" refId="ref8680" refString="Wicksten, M. K. & Hendrickx, M. E. (2003) An updated checklist of benthic marine and brackish water shrimps (Decapoda: Penaeoidea, Stenopodidea, Caridea) from the eastern tropical Pacific. In: Hendrickx, M. E. (Ed.), Contributions to the study of East Pacific crustaceans / Contribuciones al estudio de los crustaceos del Pacifico Este. Instituto de Ciencias del Mar y Limnologia, UNAM, Mexico City, pp. 49 - 76." type="book chapter" year="2003">Wicksten & Hendrickx 2003</bibRefCitation>
|
||
; A. Anker, pers. obs.) and shares more than half of the above characteristics with
|
||
<taxonomicName id="4C444D78FFC69D7E8A6AFA11FF54FA72" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B930EAE9FFC69D7E8A6AFA11FF54FA72" italics="true" pageId="2" pageNumber="77">Pachelpheus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B930EAE9FFC69D7E8FCFFA75FEC7FA72" bold="true" box="[224,331,1485,1511]" pageId="2" pageNumber="77">
|
||
<taxonomicNameLabel id="A2035792FFC69D7E8FCFFA75FEC7FA72" box="[224,331,1485,1511]" pageId="2" pageNumber="77" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, e.g., (2), (3), (4), (5), (6), (7), (8) and (10), although most of them are plesiomorphies within the family. Most notably, the two genera share the presence of an articulated flap at the posteroventral angle of the sixth pleonite. On the other hand, the general configuration of the frontal region of
|
||
<taxonomicName id="4C444D78FFC69D7E8B27F9ADFB1BF9BA" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" box="[1032,1175,1557,1583]" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B930EAE9FFC69D7E8B27F9ADFB1BF9BA" box="[1032,1175,1557,1583]" italics="true" pageId="2" pageNumber="77">Pachelpheus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B930EAE9FFC69D7E8BB0F9ADFA84F9BA" bold="true" box="[1183,1288,1557,1583]" pageId="2" pageNumber="77">
|
||
<taxonomicNameLabel id="A2035792FFC69D7E8BB0F9ADFA84F9BA" box="[1183,1288,1557,1583]" pageId="2" pageNumber="77" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is rather different from that of
|
||
<taxonomicName id="4C444D78FFC69D7E8E5EF981FE60F9C6" authorityName="Coutiere" authorityYear="1897" box="[369,492,1593,1619]" class="Malacostraca" family="Alpheidae" genus="Alpheopsis" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC69D7E8E5EF981FE60F9C6" box="[369,492,1593,1619]" italics="true" pageId="2" pageNumber="77">Alpheopsis</emphasis>
|
||
</taxonomicName>
|
||
, approaching much more that of
|
||
<taxonomicName id="4C444D78FFC69D7E8C48F981FC7FF9C6" authorityName="Anker, Poddoubtchenko & Wehrtmann" authorityYear="2006" box="[871,1011,1593,1619]" class="Malacostraca" family="Alpheidae" genus="Leslibetaeus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC69D7E8C48F981FC7FF9C6" box="[871,1011,1593,1619]" italics="true" pageId="2" pageNumber="77">Leslibetaeus</emphasis>
|
||
</taxonomicName>
|
||
(see above). All other eastern Pacific alpheid genera (
|
||
<bibRefCitation id="EFD54B0AFFC69D7E8E62F9E5FD14F9E2" author="Wicksten, M. K. & Hendrickx, M. E." box="[333,664,1629,1655]" pageId="2" pageNumber="77" pagination="49 - 76" refId="ref8680" refString="Wicksten, M. K. & Hendrickx, M. E. (2003) An updated checklist of benthic marine and brackish water shrimps (Decapoda: Penaeoidea, Stenopodidea, Caridea) from the eastern tropical Pacific. In: Hendrickx, M. E. (Ed.), Contributions to the study of East Pacific crustaceans / Contribuciones al estudio de los crustaceos del Pacifico Este. Instituto de Ciencias del Mar y Limnologia, UNAM, Mexico City, pp. 49 - 76." type="book chapter" year="2003">Wicksten & Hendrickx 2003</bibRefCitation>
|
||
) seem to be much more distantly related to
|
||
<taxonomicName id="4C444D78FFC69D7E8BBCF9E5FAAEF9E2" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" box="[1171,1314,1629,1655]" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B930EAE9FFC69D7E8BBCF9E5FAAEF9E2" box="[1171,1314,1629,1655]" italics="true" pageId="2" pageNumber="77">Pachelpheus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B930EAE9FFC69D7E8A05F9E5FA19F9E2" bold="true" box="[1322,1429,1629,1655]" pageId="2" pageNumber="77">
|
||
<taxonomicNameLabel id="A2035792FFC69D7E8A05F9E5FA19F9E2" box="[1322,1429,1629,1655]" pageId="2" pageNumber="77" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, based on their morphological characteristics. The same can be stated for all Atlantic genera, since none of them morphologically approaches the herein described new genus.
|
||
</paragraph>
|
||
<paragraph id="8BFB36FBFFC69D7F8FE8F971FB2FFD12" blockId="2.[151,1437,152,2015]" lastBlockId="3.[151,1437,153,791]" lastPageId="3" lastPageNumber="78" pageId="2" pageNumber="77">
|
||
On the other hand,
|
||
<taxonomicName id="4C444D78FFC69D7E8EB0F971FDA2F976" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" box="[415,558,1737,1763]" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B930EAE9FFC69D7E8EB0F971FDA2F976" box="[415,558,1737,1763]" italics="true" pageId="2" pageNumber="77">Pachelpheus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B930EAE9FFC69D7E8D1AF971FD13F976" bold="true" box="[565,671,1737,1763]" pageId="2" pageNumber="77">
|
||
<taxonomicNameLabel id="A2035792FFC69D7E8D1AF971FD13F976" box="[565,671,1737,1763]" pageId="2" pageNumber="77" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
has several morphological similarities with the western Pacific
|
||
<taxonomicName id="4C444D78FFC69D7E8A43F972FDC1F892" authority="Anker & Dworschak, 2007" authorityName="Anker & Dworschak" authorityYear="2007" class="Malacostraca" family="Alpheidae" genus="Jengalpheops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC69D7E8A43F972FE86F892" italics="true" pageId="2" pageNumber="77">Jengalpheops</emphasis>
|
||
<bibRefCitation id="EFD54B0AFFC69D7E8E3BF955FDC1F892" author="Anker, A. & Dworschak, P. C." box="[276,589,1773,1799]" pageId="2" pageNumber="77" pagination="290 - 302" refId="ref7012" refString="Anker, A. & Dworschak, P. C. (2007) Jengalpheops rufus, gen. nov., sp. nov., a new commensal alpheid shrimp from the Philippines (Crustacea: Decapoda). Zoological Studies, 46, 290 - 302." type="journal article" year="2007">Anker & Dworschak, 2007</bibRefCitation>
|
||
</taxonomicName>
|
||
, currently containing only the
|
||
<typeStatus id="54FF8859FFC69D7E8C80F955FC53F892" box="[943,991,1773,1799]" pageId="2" pageNumber="77">type</typeStatus>
|
||
species,
|
||
<taxonomicName id="4C444D78FFC69D7E8B66F956FF5EF8BE" authority="Anker & Dworschak, 2007" authorityName="Anker & Dworschak" authorityYear="2007" class="Malacostraca" family="Alpheidae" genus="Jengalpheops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="species" species="rufus">
|
||
<emphasis id="B930EAE9FFC69D7E8B66F956FB2CF892" box="[1097,1184,1773,1799]" italics="true" pageId="2" pageNumber="77">J. rufus</emphasis>
|
||
<bibRefCitation id="EFD54B0AFFC69D7E8B88F955FF5EF8BE" author="Anker, A. & Dworschak, P. C." pageId="2" pageNumber="77" pagination="290 - 302" refId="ref7012" refString="Anker, A. & Dworschak, P. C. (2007) Jengalpheops rufus, gen. nov., sp. nov., a new commensal alpheid shrimp from the Philippines (Crustacea: Decapoda). Zoological Studies, 46, 290 - 302." type="journal article" year="2007">Anker & Dworschak, 2007</bibRefCitation>
|
||
</taxonomicName>
|
||
, from the
|
||
<collectingCountry id="F353766BFFC69D7E8E64F8A9FE45F8BE" box="[331,457,1809,1835]" name="Philippines" pageId="2" pageNumber="77">Philippines</collectingCountry>
|
||
and
|
||
<collectingCountry id="F353766BFFC69D7E8D2BF8A9FDFDF8BE" box="[516,625,1809,1835]" name="Indonesia" pageId="2" pageNumber="77">Indonesia</collectingCountry>
|
||
(
|
||
<bibRefCitation id="EFD54B0AFFC69D7E8DADF8A9FC3AF8BE" author="Anker, A. & Dworschak, P. C." box="[642,950,1809,1835]" pageId="2" pageNumber="77" pagination="290 - 302" refId="ref7012" refString="Anker, A. & Dworschak, P. C. (2007) Jengalpheops rufus, gen. nov., sp. nov., a new commensal alpheid shrimp from the Philippines (Crustacea: Decapoda). Zoological Studies, 46, 290 - 302." type="journal article" year="2007">Anker & Dworschak 2007</bibRefCitation>
|
||
; Anker
|
||
<emphasis id="B930EAE9FFC69D7E8B3DF8AAFBC0F8BE" box="[1042,1100,1809,1835]" italics="true" pageId="2" pageNumber="77">et al.</emphasis>
|
||
2015). These two genera are similar in the general configuration of the frontal region [character (1), see above], the presence of an articulated plate on the sixth pleonite [character (2)], the development (size), shape and armature of the chelipeds [characters (5), (7)], the blunt lateral lobe of the uropodal protopod [character (13)], and some other, mostly plesiomorphic features [e.g., characters (8) and (10)]. The chela of some larger individuals of
|
||
<taxonomicName id="4C444D78FFC69D7E8B35F81AFBFCF82E" authorityName="Anker & Dworschak" authorityYear="2007" box="[1050,1136,1953,1979]" class="Malacostraca" family="Alpheidae" genus="Jengalpheops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="species" species="rufus">
|
||
<emphasis id="B930EAE9FFC69D7E8B35F81AFBFCF82E" box="[1050,1136,1953,1979]" italics="true" pageId="2" pageNumber="77">J. rufus</emphasis>
|
||
</taxonomicName>
|
||
resembles that of the
|
||
<typeStatus id="54FF8859FFC69D7E8A43F819FA10F82E" box="[1388,1436,1953,1979]" pageId="2" pageNumber="77">type</typeStatus>
|
||
species of
|
||
<taxonomicName id="4C444D78FFC69D7E8E21F87DFE11F84A" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" box="[270,413,1989,2015]" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="77" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B930EAE9FFC69D7E8E21F87DFE11F84A" box="[270,413,1989,2015]" italics="true" pageId="2" pageNumber="77">Pachelpheus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B930EAE9FFC69D7E8E8AF87DFD83F84A" bold="true" box="[421,527,1989,2015]" pageId="2" pageNumber="77">
|
||
<taxonomicNameLabel id="A2035792FFC69D7E8E8AF87DFD83F84A" box="[421,527,1989,2015]" pageId="2" pageNumber="77" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
not only in size and form, but also in the arrangement of the teeth on the cutting edges, i.e. one large proximal tooth on the dactylus and one more distal tooth on the pollex, with the corresponding hiatuses (cf.
|
||
<figureCitation id="137F2A7EFFC79D7F8E05FF05FEE1FF42" box="[298,365,189,215]" captionStart="FIGURE 4" captionStartId="7.[151,250,1542,1567]" captionTargetBox="[156,1427,643,1510]" captionTargetId="figure@7.[151,1436,633,1517]" captionTargetPageId="7" captionText="FIGURE 4. Pachelpheus pachyacanthus gen. et sp. nov., holotype, male (cl 3.5 mm) from Isla Rancheria, Coiba Archipelago, Panama (FLMNH UF 51917):A—right cheliped, lateral view; B—same, distal portion of merus, carpus and chela, mesial view; C—same, merus and carpus, mesial view; D—same, carpus and chela, lateral view." figureDoi="http://doi.org/10.5281/zenodo.3635660" httpUri="https://zenodo.org/record/3635660/files/figure.png" pageId="3" pageNumber="78">Fig. 4</figureCitation>
|
||
below and
|
||
<bibRefCitation id="EFD54B0AFFC79D7F8EDBFF05FCABFF42" author="Anker, A. & Dworschak, P. C." box="[500,807,189,215]" pageId="3" pageNumber="78" pagination="290 - 302" refId="ref7012" refString="Anker, A. & Dworschak, P. C. (2007) Jengalpheops rufus, gen. nov., sp. nov., a new commensal alpheid shrimp from the Philippines (Crustacea: Decapoda). Zoological Studies, 46, 290 - 302." type="journal article" year="2007">Anker & Dworschak 2007</bibRefCitation>
|
||
: fig. 4I).
|
||
<taxonomicName id="4C444D78FFC79D7F8CBBFF05FBAFFF42" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" box="[916,1059,189,215]" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="78" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B930EAE9FFC79D7F8CBBFF05FBAFFF42" box="[916,1059,189,215]" italics="true" pageId="3" pageNumber="78">Pachelpheus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B930EAE9FFC79D7F8B03FF05FB14FF42" bold="true" box="[1068,1176,189,215]" pageId="3" pageNumber="78">
|
||
<taxonomicNameLabel id="A2035792FFC79D7F8B03FF05FB14FF42" box="[1068,1176,189,215]" pageId="3" pageNumber="78" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
and
|
||
<taxonomicName id="4C444D78FFC79D7F8BFDFF05FAE0FF42" authorityName="Anker & Dworschak" authorityYear="2007" box="[1234,1388,189,215]" class="Malacostraca" family="Alpheidae" genus="Jengalpheops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="78" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC79D7F8BFDFF05FAE0FF42" box="[1234,1388,189,215]" italics="true" pageId="3" pageNumber="78">Jengalpheops</emphasis>
|
||
</taxonomicName>
|
||
can be easily separated from each other by characters (9), (11) and (12), which are autapomorphies of the new genus, as well as by characters (4) and (6). With regard to character (9), it is important to note that the meri of the third to fifth pereiopods of
|
||
<taxonomicName id="4C444D78FFC79D7F8E40FE91FD85FED6" authorityName="Anker & Dworschak" authorityYear="2007" box="[367,521,297,323]" class="Malacostraca" family="Alpheidae" genus="Jengalpheops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="78" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC79D7F8E40FE91FD85FED6" box="[367,521,297,323]" italics="true" pageId="3" pageNumber="78">Jengalpheops</emphasis>
|
||
</taxonomicName>
|
||
are also armed with cuspidate setae and that the main difference between the two genera lies in their size, shape and number: in
|
||
<taxonomicName id="4C444D78FFC79D7F8DB7FEF5FCBEFEF2" authorityName="Anker & Dworschak" authorityYear="2007" box="[664,818,333,359]" class="Malacostraca" family="Alpheidae" genus="Jengalpheops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="78" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC79D7F8DB7FEF5FCBEFEF2" box="[664,818,333,359]" italics="true" pageId="3" pageNumber="78">Jengalpheops</emphasis>
|
||
</taxonomicName>
|
||
, they are small, conical and not numerous (one or two), whilst in the new genus, they are highly modified, very large, robust, flattened, and more numerous (three to five) (see below). The absence of setal rows in the mesial face of the cheliped carpus in
|
||
<taxonomicName id="4C444D78FFC79D7F8B06FE2DFB34FE3A" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" box="[1065,1208,405,431]" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="78" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B930EAE9FFC79D7F8B06FE2DFB34FE3A" box="[1065,1208,405,431]" italics="true" pageId="3" pageNumber="78">Pachelpheus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B930EAE9FFC79D7F8B91FE2DFAAAFE3A" bold="true" box="[1214,1318,405,431]" pageId="3" pageNumber="78">
|
||
<taxonomicNameLabel id="A2035792FFC79D7F8B91FE2DFAAAFE3A" box="[1214,1318,405,431]" pageId="3" pageNumber="78" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
[character (6)]
|
||
<emphasis id="B930EAE9FFC79D7F8FE7FE02FE9CFE46" box="[200,272,442,467]" italics="true" pageId="3" pageNumber="78">versus</emphasis>
|
||
their presence in
|
||
<taxonomicName id="4C444D78FFC79D7F8EF7FE01FDFEFE46" authorityName="Anker & Dworschak" authorityYear="2007" box="[472,626,441,467]" class="Malacostraca" family="Alpheidae" genus="Jengalpheops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="78" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC79D7F8EF7FE01FDFEFE46" box="[472,626,441,467]" italics="true" pageId="3" pageNumber="78">Jengalpheops</emphasis>
|
||
</taxonomicName>
|
||
(and also in
|
||
<taxonomicName id="4C444D78FFC79D7F8C2CFE01FC03FE46" authorityName="Anker, Poddoubtchenko & Wehrtmann" authorityYear="2006" box="[771,911,441,467]" class="Malacostraca" family="Alpheidae" genus="Leslibetaeus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="78" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC79D7F8C2CFE01FC03FE46" box="[771,911,441,467]" italics="true" pageId="3" pageNumber="78">Leslibetaeus</emphasis>
|
||
</taxonomicName>
|
||
) is another important differentiating character, although this feature is known to be variable at least in
|
||
<taxonomicName id="4C444D78FFC79D7F8C24FE65FBD5FE62" authority="Powell, 1979" authorityName="Powell" authorityYear="1979" box="[779,1113,477,503]" class="Malacostraca" family="Alpheidae" genus="Potamalpheops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="78" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC79D7F8C24FE65FC35FE62" box="[779,953,477,503]" italics="true" pageId="3" pageNumber="78">Potamalpheops</emphasis>
|
||
<bibRefCitation id="EFD54B0AFFC79D7F8CEEFE65FBD5FE62" author="Powell, C. B." box="[961,1113,477,503]" pageId="3" pageNumber="78" pagination="116 - 150" refId="ref8556" refString="Powell, C. B. (1979) Three alpheid shrimps of a new genus from West African fresh and brackish waters: taxonomy and ecologial zonation (Crustacea Decapoda Natantia). Revue de Zoologie Africaine, 93, 116 - 150." type="journal article" year="1979">Powell, 1979</bibRefCitation>
|
||
</taxonomicName>
|
||
. Another difference between
|
||
<taxonomicName id="4C444D78FFC79D7F8FB8FDB9FEAAFD8E" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" box="[151,294,513,539]" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="78" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B930EAE9FFC79D7F8FB8FDB9FEAAFD8E" box="[151,294,513,539]" italics="true" pageId="3" pageNumber="78">Pachelpheus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B930EAE9FFC79D7F8E01FDB9FE14FD8E" bold="true" box="[302,408,513,539]" pageId="3" pageNumber="78">
|
||
<taxonomicNameLabel id="A2035792FFC79D7F8E01FDB9FE14FD8E" box="[302,408,513,539]" pageId="3" pageNumber="78" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
and
|
||
<taxonomicName id="4C444D78FFC79D7F8EFFFDB9FDE6FD8E" authorityName="Anker & Dworschak" authorityYear="2007" box="[464,618,513,539]" class="Malacostraca" family="Alpheidae" genus="Jengalpheops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="78" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC79D7F8EFFFDB9FDE6FD8E" box="[464,618,513,539]" italics="true" pageId="3" pageNumber="78">Jengalpheops</emphasis>
|
||
</taxonomicName>
|
||
lies in the shape of the lateral plate on the third maxilliped coxa, almost square-shaped in the former and styliform in the latter (cf.
|
||
<figureCitation id="137F2A7EFFC79D7F8C1DFD9DFC05FDAA" box="[818,905,549,575]" captionStart="FIGURE 3" captionStartId="6.[151,250,1634,1659]" captionTargetBox="[177,1418,191,1585]" captionTargetId="figure@6.[151,1436,181,1614]" captionTargetPageId="6" captionText="FIGURE 3. Pachelpheus pachyacanthus gen. et sp. nov., paratype, female (cl 3.6 mm) from Isla Rancheria, Coiba Archipelago, Panama (FLMNH UF 51918): A—mandible, mesial view; B—maxillule, lateral view; C—maxilla, lateral view; D—first maxilliped, lateral view; E—same, endopod, mesial view; F—second maxilliped, lateral view; G—third maxilliped, lateral view; H—same, apex of ultimate article, lateral view." figureDoi="http://doi.org/10.5281/zenodo.3635658" httpUri="https://zenodo.org/record/3635658/files/figure.png" pageId="3" pageNumber="78">Fig. 3G</figureCitation>
|
||
below and
|
||
<bibRefCitation id="EFD54B0AFFC79D7F8B23FD9DFAB7FDAA" author="Anker, A. & Dworschak, P. C." box="[1036,1339,549,575]" pageId="3" pageNumber="78" pagination="290 - 302" refId="ref7012" refString="Anker, A. & Dworschak, P. C. (2007) Jengalpheops rufus, gen. nov., sp. nov., a new commensal alpheid shrimp from the Philippines (Crustacea: Decapoda). Zoological Studies, 46, 290 - 302." type="journal article" year="2007">Anker & Dworschak 2007</bibRefCitation>
|
||
: fig. 3I). Whether
|
||
<taxonomicName id="4C444D78FFC79D7F8E2FFDF1FE03FDF6" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" box="[256,399,585,611]" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="78" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B930EAE9FFC79D7F8E2FFDF1FE03FDF6" box="[256,399,585,611]" italics="true" pageId="3" pageNumber="78">Pachelpheus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B930EAE9FFC79D7F8EB8FDF1FD8EFDF6" bold="true" box="[407,514,585,611]" pageId="3" pageNumber="78">
|
||
<taxonomicNameLabel id="A2035792FFC79D7F8EB8FDF1FD8EFDF6" box="[407,514,585,611]" pageId="3" pageNumber="78" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
and
|
||
<taxonomicName id="4C444D78FFC79D7F8D14FDF1FD59FDF6" authorityName="Anker & Dworschak" authorityYear="2007" box="[571,725,585,611]" class="Malacostraca" family="Alpheidae" genus="Jengalpheops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="78" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC79D7F8D14FDF1FD59FDF6" box="[571,725,585,611]" italics="true" pageId="3" pageNumber="78">Jengalpheops</emphasis>
|
||
</taxonomicName>
|
||
are also closely related phylogenetically, remains to be shown by a thorough phylogenetic analysis of the family (morphology + DNA) at the generic level.
|
||
</paragraph>
|
||
<paragraph id="8BFB36FBFFC79D7F8FE8FD29FB72FC82" blockId="3.[151,1437,153,791]" pageId="3" pageNumber="78">
|
||
The only genera characterised by the absence of a well-developed rostrum, the presence of an articulated flap on the sixth pleonite, and the chelipeds subequal and subsymmetrical, carried extended (not folded), are
|
||
<taxonomicName id="4C444D78FFC79D7F8BD4FD0EFF43FD66" authority="Dana, 1852" authorityName="Dana" authorityYear="1852" class="Malacostraca" family="Alpheidae" genus="Betaeus" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="78" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC79D7F8BD4FD0EFAD8FD5A" box="[1275,1364,694,719]" italics="true" pageId="3" pageNumber="78">Betaeus</emphasis>
|
||
<bibRefCitation id="EFD54B0AFFC79D7F8A75FD0DFF43FD66" author="Dana, J. D." pageId="3" pageNumber="78" pagination="10 - 29" refId="ref7894" refString="Dana, J. D. (1852) Conspectus Crustaceorum & c. Conspectus of the Crustacea of the Exploring Expedition under Capt. C. Wilkes, U. S. N. Macroura. Proceedings of the Academy of Natural Sciences of Philadelphia, 1852, 10 - 29." type="journal article" year="1852">Dana, 1852</bibRefCitation>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C444D78FFC79D7F8E2AFD62FDBDFD66" authority="Yaldwyn, 1971" authorityName="Yaldwyn" authorityYear="1971" box="[261,561,729,755]" class="Malacostraca" family="Alpheidae" genus="Betaeopsis" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="78" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B930EAE9FFC79D7F8E2AFD62FEF2FD66" box="[261,382,730,755]" italics="true" pageId="3" pageNumber="78">Betaeopsis</emphasis>
|
||
<bibRefCitation id="EFD54B0AFFC79D7F8EABFD61FDBDFD66" author="Yaldwyn, J. C." box="[388,561,729,755]" pageId="3" pageNumber="78" pagination="85 - 94" refId="ref8820" refString="Yaldwyn, J. C. (1971) Preliminary descriptions of a new genus and twelve new species of natant decapod Crustacea from New Zealand. Records of the Dominion Museum, 7, 85 - 94." type="journal article" year="1971">Yaldwyn, 1971</bibRefCitation>
|
||
</taxonomicName>
|
||
. However, both of these genera are very different from
|
||
<taxonomicName id="4C444D78FFC79D7F8BB2FD61FAA0FD66" authority="Anker, 2020" authorityName="Anker" authorityYear="2020" box="[1181,1324,729,755]" class="Malacostraca" family="Alpheidae" genus="Pachelpheus" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="78" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="B930EAE9FFC79D7F8BB2FD61FAA0FD66" box="[1181,1324,729,755]" italics="true" pageId="3" pageNumber="78">Pachelpheus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B930EAE9FFC79D7F8A1CFD61FA10FD66" bold="true" box="[1331,1436,729,755]" pageId="3" pageNumber="78">
|
||
<taxonomicNameLabel id="A2035792FFC79D7F8A1CFD61FA10FD66" box="[1331,1436,729,755]" pageId="3" pageNumber="78" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
in a number of other characters (
|
||
<bibRefCitation id="EFD54B0AFFC79D7F8D2CFD45FC80FC82" author="Banner, D. M. & Banner, A. H." box="[515,780,765,791]" pageId="3" pageNumber="78" pagination="291 - 382" refId="ref7737" refString="Banner, D. M. & Banner, A. H. (1973) The alpheid shrimp of Australia. Part I: The lower genera. Records of the Australian Museum, 28, 291 - 382. https: // doi. org / 10.3853 / j. 0067 - 1975.28.1973.407" type="journal article" year="1973">Banner & Banner 1973</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFD54B0AFFC79D7F8C39FD45FC7AFC82" author="Anker, A. & Jeng, M. S." box="[790,1014,765,791]" pageId="3" pageNumber="78" pagination="570 - 584" refId="ref7191" refString="Anker, A. & Jeng, M. S. (2002) Redefinition of Betaeopsis Yaldwyn, 1971, with invalidation of generic status of Hamalpheus Bruce & Iliffe, 1991 (Crustacea: Decapoda: Alpheidae). Proceedings of the Biological Society of Washington, 115, 570 - 584." type="journal article" year="2002">Anker & Jeng 2002</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFD54B0AFFC79D7F8B2FFD45FB7EFC82" author="Anker, A. & Baeza, J. A." box="[1024,1266,765,791]" pageId="3" pageNumber="78" pagination="401 - 415" refId="ref6941" refString="Anker, A. & Baeza, J. A. (2012) Molecular and morphological phylogeny of hooded shrimps, genera Betaeus and Betaeopsis (Decapoda, Alpheidae): testing the center of origin biogeographic model and evolution of life history traits. Molecular Phylogenetics and Evolution, 64, 401 - 415. https: // doi. org / 10.1016 / j. ympev. 2012.04.015" type="journal article" year="2012">Anker & Baeza 2012</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |