280 lines
31 KiB
XML
280 lines
31 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.187.3219" ID-GBIF-Dataset="6159a441-048d-445f-9eba-55b79e13799a" ID-PMC="PMC3345904" ID-Pensoft-Pub="1313-2970-187-71" ID-PubMed="22577331" ModsDocAuthor="" ModsDocDate="2012" ModsDocID="1313-2970-187-71" ModsDocOrigin="ZooKeys 187" ModsDocTitle="Cheiriphotis trifurcata, new species (Crustacea, Amphipoda, Corophiidae, Protomedeiinae) from the Seagrass Bed of the Lower Gulf of Thailand" checkinTime="1451249076251" checkinUser="pensoft" docAuthor="Wongkamhaeng, K., Azman, B. A. R. & Puttapreecha, R." docDate="2012" docId="A8387A9928D1102E0D3A49A8C94E374D" docLanguage="en" docName="ZooKeys 187: 71-89" docOrigin="ZooKeys 187" docSource="http://dx.doi.org/10.3897/zookeys.187.3219" docTitle="Cheiriphotis trifurcata Wongkamhaeng, Azman & Puttapreecha, 2012, sp. n." docType="treatment" docVersion="4" lastPageNumber="76" masterDocId="5B13B64EFF97FFC0FF8CBC11FF8FFA42" masterDocTitle="Cheiriphotis trifurcata, new species (Crustacea, Amphipoda, Corophiidae, Protomedeiinae) from the Seagrass Bed of the Lower Gulf of Thailand" masterLastPageNumber="89" masterPageNumber="71" pageNumber="73" updateTime="1668153809890" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Cheiriphotis trifurcata, new species (Crustacea, Amphipoda, Corophiidae, Protomedeiinae) from the Seagrass Bed of the Lower Gulf of Thailand</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Wongkamhaeng, K.</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Azman, B. A. R.</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Puttapreecha, R.</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2012</mods:date>
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<mods:detail type="volume">
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<mods:number>187</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>71</mods:start>
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<mods:end>89</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.187.3219</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.187.3219</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-187-71</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152035337" LSID="urn:lsid:zoobank.org:act:37DAB18F-70EF-42C3-BD57-0E0911C11128" httpUri="http://treatment.plazi.org/id/A8387A9928D1102E0D3A49A8C94E374D" lastPageId="5" lastPageNumber="76" pageId="2" pageNumber="73">
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<subSubSection pageId="2" pageNumber="73" type="nomenclature">
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<paragraph pageId="2" pageNumber="73">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:37DAB18F-70EF-42C3-BD57-0E0911C11128" class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis trifurcata" order="Amphipoda" pageId="2" pageNumber="73" phylum="Arthropoda" rank="species" species="trifurcata">Cheiriphotis trifurcata</taxonomicName>
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<taxonomicNameLabel pageId="2" pageNumber="73">sp. n.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="73" type="type material">
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<paragraph pageId="2" pageNumber="73">Type material.</paragraph>
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<paragraph pageId="2" pageNumber="73">
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Holotype. ♂, THAILAND, Lower Gulf of Thailand, Talet Bay (09˚18'39.5"N, 99˚46'46.4"E), seagrass bed (associated with
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<taxonomicName class="Liliopsida" family="Hydrocharitaceae" genus="Thalassia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Thalassia hemprichii" order="Alismatales" pageId="2" pageNumber="73" phylum="Tracheophyta" rank="species" species="hemprichii">Thalassia hemprichii</taxonomicName>
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), 24 September 2008, Puttapreecha, R., PSUZC-CR-0264.
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</paragraph>
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<paragraph pageId="2" pageNumber="73">Allotype. ♀, collected with holotype, PSUZC-CR-0265 (adult female, 4.16 mm)</paragraph>
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<paragraph pageId="2" pageNumber="73">Other material. Same data as for holotype, UKMMZ-1446 (5♂; 15♀); PSUZC-CR-0266 (5♂; 20♀)</paragraph>
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</subSubSection>
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<subSubSection lastPageId="5" lastPageNumber="76" pageId="2" pageNumber="73" type="description">
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<paragraph pageId="2" pageNumber="73">Description.</paragraph>
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<paragraph pageId="2" pageNumber="73">Male (holotype). Total body length 3.5 mm (from tip of rostrum to apex of telson). Body rather slender and subcylindrical. Head subequal in length to first 2 pereonites; rostrum not developed; inferior antennal sinus short and concave, about 0.3 times of head length; eye distinct. Antenna 1 slightly longer than antenna 2, ratio of peduncular article 1-3 as 5:9:8; article 1 slender, with 2 postero-marginal setae; flagellum with 10 articles, 0.7 times as long as peduncle; accessory flagellum with 4 articles, last article scale-like. Antenna 2 peduncle slender; article 1-4 in ratio of 2:5:4:2; inner margin of article 4 and 5 with long postero-marginal setae; article 5 shorter than 4; flagellum short with long setae, subeaqual in length to peduncular article 5, composed of 7 articles, last article scale-like.</paragraph>
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<paragraph pageId="2" pageNumber="73">Upper lip or labrum round and broad, with small depression in the middle and pubescent on each lobe. Lower lip inner lobe small and pubescent, mandibular process well developed; outer plate with a group of finger-like setae on the inner face of the outer lobe, covered with thin hair-like setae. Mandible, both incisors with 5 teeth; lacinia mobilis armed with 4 teeth on the left side and 5 teeth on the right side; molar process columnar, ridged distally; palp 3-articulate with ratios of 1:3:3, article 1 with 2 marginal setae, article 2-3 with apical and marginal setae. Maxilla 1, inner plate small with 2 apical setae, outer plate with 8 apical and marginal serrate robust setae; palp extending beyond outer plate, biarticulate with 6 apical serrate robust setae. Maxilla 2, inner plate with 19 slender marginal setae; outer plate larger than inner plate with 20 slender setae. Maxilliped, inner plate broad and short, reaching half of outer plate, apically provided with 4 conate setae and fine setae; outer plate broad, almost reaching palp article 2 with 7 conate setae; palp 4-articulate with ratio of 3:5:2:1.</paragraph>
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<paragraph lastPageId="3" lastPageNumber="74" pageId="2" pageNumber="73">
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Pereon.Gnathopod 1 subchelate, smaller than gnathopod 2; coxal plate subtriangular, produced anteriorly with long fine setae on anteroventral corner; length ratio of articles from basis to dactylus about 14:5:6:13:10:9; basis slender, broader distally, posterior margin bearing long setae; ischium short, subrectangular with apical setae; merus subtriangular with posteromarginal setae, longer than ischium; carpus longer than propodus with plumose setae on posterior margin; propodus shorter than dactylus, palm oblique with a robust seta at the proximal half, surface of palm toothed; dactylus slightly longer than palm, falcate, inner margin with a robust seta,. Gnathopod 2 subchelate; coxal plate short and wide, subrectangular, length ratio of articles from basis to dactylus about 9:5:8:8:19:19; basis robust, nearly as long as wide, broader
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<pageBreakToken pageId="3" pageNumber="74" start="start">distally</pageBreakToken>
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, anterior margin straight, both sides naked; ischium subrectangular; merus longer than ischium; carpus distal and anterior margin fused with propodus; propodus enlarged, as long as wide, anterior margin with a row of plumose setae, posterior margin with short setae; palm transverse, with 4 blunt teeth and one acute palmar corner; dactylus slightly longer than palmar margin, inner margin smooth.
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</paragraph>
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<paragraph lastPageId="4" lastPageNumber="75" pageId="3" pageNumber="74">
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Pereopod 3 slender and elongate; coxal plate small and suboval, with 3 plumose setae on anterior side; length ratio of articles from basis to dactylus 10:3:6:2:6:4; basis slender, distally extended; ischium short, subrectangular; merus longer than carpus, slightly
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<pageBreakToken pageId="4" pageNumber="75" start="start">produced</pageBreakToken>
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anterodistally; carpus subrectangular, medially broad, posterior margin setose; propodus subrectangular; basis - propodus bearing plumose setae on both sides; dactylus falcate, long and thin, shorter than propodus. Pereopod 4 rather similar to pereopod 3, coxal plate suboval with plumose setae on ventral side; length ratio of articles from basis to dactylus about 10:2:5:3:6:4; basis slender; ischium short, subrectangular; merus longer than carpus, slightly produced anterodistally; carpus subquadrate, shorter than propodus; basis to propodus with plumose setae on both margins; propodus long and narrow; dactylus long and thin, shorter than propodus. Pereopod 5 shorter than pereopod 6 and 7; coxa bilobed; length ratio of articles from basis to dactylus about 14:2:3:3:6:3; basis subrectangular with plumose setae on both margins; ischium shortest with posteromarginal plumose setae; merus subequal to carpus, with posteromarginal plumose setae and 1 anterodistal seta; carpus with posteromarginal plumose setae; propodus with 4 robust setae along posterior margin; dactylus short, strongly curved. Pereopod 6 elongate, 1.5 times as long as pereopod 5; coxa posteriorly produced with rounded lobe; length ratio of articles from basis to dactylus about 5:2:3:3:5:2; basis oval with plumose setae on both margins; ischium short with plumose setae on anteroventral corner; merus oblong, with plumose setae on both margins; carpus shorter than propodus, bearing long setae; propodus slender with marginal robust setae and setose posterodistally; dactylus falcate. Pereopod 7 elongate, 1.6 times as long as pereopod 5; coxa short and wide, subtriangular, anteriorly produced; length ratio of articles from basis to dactylus about 13:5:7:7:11:6; basis posteriorly produced, bearing plumose setae on both margins; ischium short and subquadrate with plumose setae on anterodistal corner; merus elongate with plumose setae on both sides; carpus subequal to merus, both margins with sparse setae; propodus slender, longer than merus, distally extended; bearing setae on both margins and one robust seta on anterodistal corner; dactylus falcate, with one thin seta at 2/3 from proximal end.
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</paragraph>
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<paragraph pageId="4" pageNumber="75">Pleon.Pleopods 1-2 well developed; peduncles subcylindrical, longer than broad and fringed with several plumose setae and a pair of retinaculae on the inner margin; inner ramus subequal to peduncle with 9-10 articles, outer ramus shorter than inner ramus, both rami with facial setae.</paragraph>
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<paragraph pageId="4" pageNumber="75">Pleopod 3 similar to pleopod 1 and 2 except the tip of outer ramus modified; bearing long setae with sparse setule and having three additional modified setae with three forked tips respectively, outer ramus longer than inner ramus.</paragraph>
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<paragraph lastPageId="5" lastPageNumber="76" pageId="4" pageNumber="75">
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Uropod 1 longest, extending beyond uropods 3; peduncle longer than both rami, beset with robust setae, peduncular apex bearing 3 posteroventral robust setae; outer and inner margins of both rami lined with a row of robust setae, distal margin rounded and bearing several robust setae. Uropod 2 not reaching uropod 3, peduncle shorter than rami, both outer and inner margins with a row of robust setae; outer ramus slightly longer than inner one, both rami lined with a row of robust setae and distal margin bearing several short and long robust setae. Uropod 3 uniramous, peduncle extended with robust seta on apex, subequal to ramus; apically 3 robust setae and 2 setae. Telson subtrapezoidal, distally excavated with long simple setae near both distal corn
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<pageBreakToken pageId="5" pageNumber="76" start="start">ers</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="5" pageNumber="76">Female. (allotype). Total body length 4.2 mm (from tip of rostrum to apex of telson). - (sexually dimorphic characters).</paragraph>
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<paragraph pageId="5" pageNumber="76">Antenna 1 flagellum with 12 articles.</paragraph>
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<paragraph pageId="5" pageNumber="76">Pereon.Gnathopod 2 subchelate, smaller than that of male, basis to propodus setose; basis more slender, about 2.3 times as long as broad; carpus subtriangular, as long as broad; propodus suboval, longer than carpus, palm oblique and defined by a large bifid robust seta, palmar margin convex, distal end covered with sparse setae; dactylus curved with 5 inner marginal short setae. Coxa 4 and 5 longer than those of male.</paragraph>
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<paragraph pageId="5" pageNumber="76">Pleopod 3 without modified tip of outer ramus.</paragraph>
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<caption pageId="5" pageNumber="76">
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<paragraph pageId="5" pageNumber="76">Figure 1. Map of sampling area</paragraph>
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</caption>
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<caption pageId="5" pageNumber="76">
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<paragraph pageId="5" pageNumber="76">
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Figure 2A. Photography of
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<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis trifurcata" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="trifurcata">Cheiriphotis trifurcata</taxonomicName>
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sp. n. i holotype, male, (PSUZC-CR-0264), 3.47 mm. ii allotype, female, (PSUZC-CR-0265), 4.16 mm. Talet Bay, Lower Gulf of Thailand.
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</paragraph>
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</caption>
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<caption pageId="5" pageNumber="76">
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<paragraph pageId="5" pageNumber="76">
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Figure 2B.
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<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis trifurcata" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="trifurcata">Cheiriphotis trifurcata</taxonomicName>
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sp. n., holotype, male, (PSUZC-CR-0264), 3.47 mm. Talet Bay, Lower Gulf of Thailand. All scales represent 0.2 mm.
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</paragraph>
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</caption>
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<caption pageId="5" pageNumber="76">
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<paragraph pageId="5" pageNumber="76">
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Figure 2C.
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<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis trifurcata" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="trifurcata">Cheiriphotis trifurcata</taxonomicName>
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sp. n., holotype, male, (PSUZC-CR-0264), 3.47 mm. Talet Bay, Lower Gulf of Thailand. All scales represent 0.2 mm.
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</paragraph>
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</caption>
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<caption pageId="5" pageNumber="76">
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<paragraph pageId="5" pageNumber="76">
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Figure 2D.
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<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis trifurcata" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="trifurcata">Cheiriphotis trifurcata</taxonomicName>
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sp. n., holotype, male, (PSUZC-CR-0264), 3.47 mm. Talet Bay, Lower Gulf of Thailand. All scales represent 0.1 mm.
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</paragraph>
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</caption>
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<caption pageId="5" pageNumber="76">
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<paragraph pageId="5" pageNumber="76">
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Figure 2E.
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<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis trifurcata" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="trifurcata">Cheiriphotis trifurcata</taxonomicName>
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sp. n., holotype, male, (PSUZC-CR-0264), 3.47 mm. Talet Bay, Lower Gulf of Thailand. Scales for U1- U3 and T represent 0.1 mm; PL1 - PL3 represent 0.2 mm.
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</paragraph>
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</caption>
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<caption pageId="5" pageNumber="76">
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<paragraph pageId="5" pageNumber="76">
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Figure 3A.
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<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis trifurcata" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="trifurcata">Cheiriphotis trifurcata</taxonomicName>
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sp. n., allotype, female, (PSUZC-CR-0265), 4.16 mm. Talet Bay, Lower Gulf of Thailand. All scales represent 0.2 mm.
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</paragraph>
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</caption>
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<caption pageId="5" pageNumber="76">
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<paragraph pageId="5" pageNumber="76">
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Figure 3B.
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<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis trifurcata" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="trifurcata">Cheiriphotis trifurcata</taxonomicName>
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sp. n., allotype, female, (PSUZC-CR-0265), 4.16 mm. Talet Bay, Lower Gulf of Thailand. All scales represent 0.1 mm.
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</paragraph>
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</caption>
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<caption pageId="5" pageNumber="76">
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<paragraph pageId="5" pageNumber="76">
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Figure 3C.
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<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis trifurcata" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="trifurcata">Cheiriphotis trifurcata</taxonomicName>
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sp. n., allotype, female, (PSUZC-CR-0265), 4.16 mm. Talet Bay, Lower Gulf of Thailand. All scales represent 0.1 mm.
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</paragraph>
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</caption>
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<caption pageId="5" pageNumber="76">
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<paragraph pageId="5" pageNumber="76">
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Figure 3D.
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<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis trifurcata" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="trifurcata">Cheiriphotis trifurcata</taxonomicName>
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sp. n., allotype, female, (PSUZC-CR-0265), 4.16 mm. Talet Bay, Lower Gulf of Thailand. Scale for U1-U3 and T represents 0.1 mm; remaining represents 0.2 mm.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="76" type="etymology">
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<paragraph pageId="5" pageNumber="76">Etymology.</paragraph>
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<paragraph pageId="5" pageNumber="76">
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The specific name
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<normalizedToken originalValue="“trifurcata”">"trifurcata"</normalizedToken>
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is from latin 'tri =
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<normalizedToken originalValue="three’">three'</normalizedToken>
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and 'furcated =
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<normalizedToken originalValue="forked’">forked'</normalizedToken>
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, referring to the distinct three forked tips of the modified setae on the outer ramus in male pleopod 3.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="76" type="remarks">
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<paragraph pageId="5" pageNumber="76">Remarks.</paragraph>
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<paragraph pageId="5" pageNumber="76">
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Even
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<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis trifurcata" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="trifurcata">Cheiriphotis trifurcata</taxonomicName>
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shows a distinct character, with the presence of the three additional modified setae in male pleopod 3 and each seta equipped with three forked tips, but this character might be overlooked in other species. Besides, the general characters in the present species are closely related to
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<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis williamsoni" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="williamsoni">Cheiriphotis williamsoni</taxonomicName>
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,
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<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis neotropicalis" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="neotropicalis">Cheiriphotis neotropicalis</taxonomicName>
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,
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<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis mediterranea" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="mediterranea">Cheiriphotis mediterranea</taxonomicName>
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and
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<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis walkeri" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="walkeri">Cheiriphotis walkeri</taxonomicName>
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especially in the; 1) fused carpus-propodus of male gnathopod 2; 2) propodus with transverse palm and; 3) uropod 3 uniramus. Further examination on the present species also indicated that
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<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis trifurcata" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="trifurcata">Cheiriphotis trifurcata</taxonomicName>
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can be distinguished from
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||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis williamsoni" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="williamsoni">Cheiriphotis williamsoni</taxonomicName>
|
||
by the male gnathopod 1 which has the carpus longer than the propodus and the palm of male gnathopod 2 which bears 4 blunt teeth and 4 blunt teeth and one acute palmar corner. The present species also differs from
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis neotropicalis" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="neotropicalis">Cheiriphotis neotropicalis</taxonomicName>
|
||
in the carpus of male gnathopod 1 which is longer than the propodus and the propodus of male gnathopod 2 as long as broad in contrast to
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis neotropicalis" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="neotropicalis">Cheiriphotis neotropicalis</taxonomicName>
|
||
where the carpus of gnathopod 1 is subequal to propodus and propodus of gnathopod 2 is broader than long.
|
||
</paragraph>
|
||
<paragraph pageId="5" pageNumber="76">
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis trifurcata" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="trifurcata">Cheiriphotis trifurcata</taxonomicName>
|
||
shares a character of epimeron 2 with plumose setae on the ventral margin of epimera 2 with four known congeners,
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis erythraeus" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="erythraeus">Cheiriphotis erythraeus</taxonomicName>
|
||
,
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis mediterranea" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="mediterranea">Cheiriphotis mediterranea</taxonomicName>
|
||
,
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis williamsoni" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="williamsoni">Cheiriphotis williamsoni</taxonomicName>
|
||
and
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis neotropicalis" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="neotropicalis">Cheiriphotis neotropicalis</taxonomicName>
|
||
. The former can be distinguished from
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis erythraeus" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="erythraeus">Cheiriphotis erythraeus</taxonomicName>
|
||
by the carpus of the male gnathopod 1 which is partly fused with the propodus, the transverse palm which has 4 blunt teeth and the uniramus uropod while in the latter the carpus of the male gnathopod 1 is not fused with the propodus, the palm is medially V-shaped excavated with two teeth on both sides and the uropod is biramus.
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis trifurcata" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="trifurcata">Cheiriphotis trifurcata</taxonomicName>
|
||
is easily separated from
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis mediterranea" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="mediterranea">Cheiriphotis mediterranea</taxonomicName>
|
||
by the distally expanded peduncle of uropod 3 (vs. peduncle of uropod 3 not expanded distally).
|
||
</paragraph>
|
||
<paragraph pageId="5" pageNumber="76">
|
||
To date, only one species of
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="genus">Cheiriphotis</taxonomicName>
|
||
(i.e.
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis megacheles" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="megacheles">Cheiriphotis megacheles</taxonomicName>
|
||
)has been reported from the Andaman Sea and the South China Sea (Imbach 1967 and
|
||
<bibRefCitation author="Rabindranath, P" journalOrPublisher="Bijdragen tot de Dierkunde" pageId="7" pageNumber="78" pagination="67 - 93" title="On a collection of Isaeidae (Crustacea Amphipoda) from the southern Indian region." volume="41" year="1971">Rabindranath 1971</bibRefCitation>
|
||
). The absence of robust setae along the palm of gnathopod 1, the unfused carpus-propodus of the male gnathopod 2, a rounded epimeron 2, and the biramus uropod 3 in
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis megacheles" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="megacheles">Cheiriphotis megacheles</taxonomicName>
|
||
readily differentiates that species from the present one.
|
||
</paragraph>
|
||
<caption pageId="5" pageNumber="76">
|
||
<paragraph pageId="5" pageNumber="76">
|
||
Table 1. Comparison of some distinguished characters between
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis trifurcata" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="trifurcata">Cheiriphotis trifurcata</taxonomicName>
|
||
sp. n. and the related species
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph pageId="5" pageNumber="76">
|
||
<table pageId="5" pageNumber="76">
|
||
<tr pageId="5" pageNumber="76">
|
||
<th colspan="1" pageId="5" pageNumber="76" rowspan="1">Characters</th>
|
||
<th colspan="1" pageId="5" pageNumber="76" rowspan="1">Accessory flagellum</th>
|
||
<th colspan="1" pageId="5" pageNumber="76" rowspan="1">♂ G1 palm</th>
|
||
<th colspan="1" pageId="5" pageNumber="76" rowspan="1">♂ G1 carpus: propodus</th>
|
||
<th colspan="1" pageId="5" pageNumber="76" rowspan="1">♂G2 carpus and propodus</th>
|
||
<th colspan="1" pageId="5" pageNumber="76" rowspan="1">♂G2 propodus</th>
|
||
<th colspan="1" pageId="5" pageNumber="76" rowspan="1">♂ G2 palm</th>
|
||
<th colspan="1" pageId="5" pageNumber="76" rowspan="1">epimeron 2</th>
|
||
<th colspan="1" pageId="5" pageNumber="76" rowspan="1">♂pleopod 3</th>
|
||
<th colspan="1" pageId="5" pageNumber="76" rowspan="1">U3</th>
|
||
</tr>
|
||
<tr pageId="5" pageNumber="76">
|
||
<td colspan="1" pageId="5" pageNumber="76" rowspan="1">
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis trifurcata" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="trifurcata">Cheiriphotis trifurcata</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="5" pageNumber="76">
|
||
<td colspan="1" pageId="5" pageNumber="76" rowspan="1">
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis erythraeus" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="erythraeus">Cheiriphotis erythraeus</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="5" pageNumber="76">
|
||
<td colspan="1" pageId="5" pageNumber="76" rowspan="1">
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis mediterranea" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="mediterranea">Cheiriphotis mediterranea</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="5" pageNumber="76">
|
||
<td colspan="1" pageId="5" pageNumber="76" rowspan="1">
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis megacheles" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="megacheles">Cheiriphotis megacheles (</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="5" pageNumber="76">
|
||
<td colspan="1" pageId="5" pageNumber="76" rowspan="1">
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis neotropicalis" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="neotropicalis">Cheiriphotis neotropicalis</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="5" pageNumber="76">
|
||
<td colspan="1" pageId="5" pageNumber="76" rowspan="1">
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis walkeri" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="walkeri">Cheiriphotis walkeri</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="5" pageNumber="76">
|
||
<td colspan="1" pageId="5" pageNumber="76" rowspan="1">
|
||
<taxonomicName class="Malacostraca" family="Corophiidae" genus="Cheiriphotis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiriphotis williamsoni" order="Amphipoda" pageId="5" pageNumber="76" phylum="Arthropoda" rank="species" species="williamsoni">Cheiriphotis williamsoni</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |