202 lines
26 KiB
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202 lines
26 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.457.8198" ID-GBIF-Dataset="d4a0225e-643a-40fd-92ee-04c0f63fde07" ID-PMC="PMC4283363" ID-Pensoft-Pub="1313-2970-457-35" ID-PubMed="25561829" ID-ZBK="4CB5271637124B0DAB18DA57E35848A7" ModsDocAuthor="" ModsDocDate="2014" ModsDocID="1313-2970-457-35" ModsDocOrigin="ZooKeys 457" ModsDocTitle="A new species of the genus Nihonotrypaea Manning & Tamaki, 1998 (Crustacea, Decapoda, Axiidea, Callianassidae) from the South China Sea" checkinTime="1451245078476" checkinUser="pensoft" docAuthor="Liu, Wenliang & Liu, Ruiyu" docDate="2014" docId="D6D51772B557E12E9027889D5D3D70ED" docLanguage="en" docName="ZooKeys 457: 35-44" docOrigin="ZooKeys 457" docSource="http://dx.doi.org/10.3897/zookeys.457.8198" docTitle="Nihonotrypaea hainanensis Liu & Liu, 2014, sp. n." docType="treatment" docUuid="4940C2F3-FB80-4981-B45D-6FD7726E8DEA" docUuidSource="ZooBank" docVersion="4" lastPageNumber="41" masterDocId="1C57823AFFEB462C8D45FFC3FF824C36" masterDocTitle="A new species of the genus Nihonotrypaea Manning & Tamaki, 1998 (Crustacea, Decapoda, Axiidea, Callianassidae) from the South China Sea" masterLastPageNumber="44" masterPageNumber="35" pageNumber="36" updateTime="1668159675877" 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>A new species of the genus Nihonotrypaea Manning & Tamaki, 1998 (Crustacea, Decapoda, Axiidea, Callianassidae) from the South China Sea</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>Liu, Wenliang</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>Liu, Ruiyu</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>2014</mods:date>
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<mods:detail type="volume">
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<mods:number>457</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>35</mods:start>
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<mods:end>44</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.457.8198</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.457.8198</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-457-35</mods:identifier>
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<mods:identifier type="ZBK">4CB5271637124B0DAB18DA57E35848A7</mods:identifier>
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<mods:identifier type="ZooBank">4CB5271637124B0DAB18DA57E35848A7</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152056690" LSID="urn:lsid:zoobank.org:act:4940C2F3-FB80-4981-B45D-6FD7726E8DEA" httpUri="http://treatment.plazi.org/id/D6D51772B557E12E9027889D5D3D70ED" lastPageId="6" lastPageNumber="41" pageId="1" pageNumber="36">
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<subSubSection pageId="1" pageNumber="36" type="multiple">
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<paragraph pageId="1" pageNumber="36">Taxon classification Animalia Decapoda Callianassidae</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="36" type="nomenclature">
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<paragraph pageId="1" pageNumber="36">
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<taxonomicName LSID="http://zoobank.org/4940C2F3-FB80-4981-B45D-6FD7726E8DEA" class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea hainanensis" order="Decapoda" pageId="1" pageNumber="36" phylum="Arthropoda" rank="species" species="hainanensis">Nihonotrypaea hainanensis</taxonomicName>
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<taxonomicNameLabel pageId="1" pageNumber="36">sp. n.</taxonomicNameLabel>
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Figs 1, 2, 3
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</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="36" type="material examined">
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<paragraph pageId="1" pageNumber="36">Material examined.</paragraph>
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<paragraph pageId="1" pageNumber="36">
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Holotype, adult male (CL 2.9 mm), MBM136863, Sanya City, Hainan Province, South China Sea,
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<geoCoordinate direction="north" orientation="latitude" precision="92" value="18.286667">18°17.2'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="92" value="109.44">109°26.4'E</geoCoordinate>
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, intertidal zone, sand, coll. Fengxuan Zhang, 5 April 1958. Paratypes, 2 ovig. females (CL 3.0, 3.2 mm), MBM136863, same data as holotype.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="5" lastPageNumber="40" pageId="1" pageNumber="36" type="description">
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<paragraph pageId="1" pageNumber="36">Description.</paragraph>
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<paragraph pageId="1" pageNumber="36">Rostrum (Fig. 1A, B) broadly triangular, obtuse, directed slightly downwards, reaching proximal 0.2 length of eyestalk in dorsal view. Carapace smooth (Fig. 1A, B), approximately 0.3 of total body length; dorsal oval well defined, 0.74 as long as carapace. Cervical groove located at posterior quarter; linea thalassinica complete.</paragraph>
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<paragraph pageId="1" pageNumber="36">Eyestalks (Fig. 1A, B) moderately long, sub-triangular in dorsal view, lateral margin distinctly sinuous, anterolateral margin forming thin ridge extending to rounded terminal margin, reaching 4/5 length of first article of antennular peduncle; cornea subterminal, disk-shaped, swollen in lateral view, with scattered brown-pigmented spots, corneal width less than half of basal width of eyestalk.</paragraph>
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<caption pageId="1" pageNumber="36">
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<paragraph pageId="1" pageNumber="36">
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Figure 1.
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea hainanensis" order="Decapoda" pageId="1" pageNumber="36" phylum="Arthropoda" rank="species" species="hainanensis">Nihonotrypaea hainanensis</taxonomicName>
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sp. n. Holotype male, MBM136863.
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<normalizedToken originalValue="A–B">A-B</normalizedToken>
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carapace, dorsal and lateral view C pleomere 6, telson and uropods, dorsal view. Scale = 1 mm.
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</paragraph>
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</caption>
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<paragraph pageId="1" pageNumber="36">Antennular peduncle (Fig. 1A, B) subequal in length to antennal peduncle; third article 2.4 times as long as second article; outer flagellum and inner flagellum shorter than peduncle. Antennal peduncle with rudimentary scale on article 3; fifth article distinctly shorter than fourth article.</paragraph>
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<paragraph pageId="1" pageNumber="36">Third maxilliped (Fig. 2A, B) without exopod; ischium-merus operculiform, with dense setae on ventral margin; ischium broader than long, inner surface with crista dentata consisting of slightly sinuous row of small and sharp denticles; merus broader than long and approximately 0.7 times as long as ischium; carpus cup-shaped, shorter than merus; propodus slender, almost as long as carpus; dactylus moderately slender, digitiform, shorter than propodus. Inner surface of merus to dactylus with blunt longitudinal ridge bearing rows of long setae.</paragraph>
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<caption pageId="1" pageNumber="36">
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<paragraph pageId="1" pageNumber="36">
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Figure 2.
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea hainanensis" order="Decapoda" pageId="1" pageNumber="36" phylum="Arthropoda" rank="species" species="hainanensis">Nihonotrypaea hainanensis</taxonomicName>
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sp. n.
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<normalizedToken originalValue="A–D">A-D</normalizedToken>
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Holotype male, MBM136863 E Paratype female, MBM136863.
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<normalizedToken originalValue="A–B">A-B</normalizedToken>
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maxilliped 3, outer and inner views C male left major cheliped, outer view D male right minor cheliped, outer view E female left major cheliped, outer view. Scale = 1 mm.
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</paragraph>
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</caption>
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<paragraph lastPageId="2" lastPageNumber="37" pageId="1" pageNumber="36">
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Pereopods 1 unequal and strongly dissimilar. Male major cheliped massive (Fig. 2C). Ischium 3.0 times as long as high; upper margin sinuous, with 1 small denticle proximally; lower margin slightly convex, armed with 4 inconspicuous denticles in distal 0.3. Merus as long as ischium, 1.9 times as long as high; upper margin slightly convex, unarmed; lower margin sinuous, with prominent lobe-like process proximally and 2 minute, inconspicuous denticles subdistally; lobe-like process terminating in acutely, with 7 sharp denticles except for the tip on ventral margin and 1 subterminal denticle distally. Carpus elongated, 1.7 times as long as high, 1.3 times as long as merus; upper margin almost straight; proximolower margin gently convex, with row of several small,
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<pageBreakToken pageId="2" pageNumber="37" start="start">blunt</pageBreakToken>
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denticles. Chela heavy, approximately 1.6 times as long as high; palm subquadrate, approximately 1.1 times as long as high, 0.6 times as long as carpus; fixed finger 0.5 times as long as palm, cutting edge with some inconspicuous denticles in distal 0.3; dactylus slightly curved distally, slightly longer than fixed finger, cutting edge sinuous, entire in the distal 0.2 and proximal 0.3, and armed with row of denticles on middle.
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</paragraph>
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<paragraph lastPageId="3" lastPageNumber="38" pageId="2" pageNumber="37">
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Male minor cheliped (Fig. 2D) with ischium 3.5 times as long as high, unarmed. Merus 0.9 times as long as ischium, about 2.3 times as long as high, upper and lower margin slightly convex, unarmed; outer surface medially swollen. Carpus 2.5 times as long as high, 1.6 times as long as merus, abruptly narrowed at base; upper margin almost straight; proximolower margin convex. Chela gapped between slender dactylus
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<pageBreakToken pageId="3" pageNumber="38" start="start">and</pageBreakToken>
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fixed finger; palm nearly as long as high, 0.5 times as long as carpus; fixed finger tapering distally to acute tip, cutting edge unarmed; dactylus slightly longer as palm, slender, unarmed on concave cutting edge.
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</paragraph>
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<paragraph lastPageId="4" lastPageNumber="39" pageId="3" pageNumber="38">
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Female major cheliped (Fig. 2E) with ischium 3.5 times as long as high, upper margin almost straight; lower margin slightly concave, unarmed. Merus almost as long as ischium, upper margin slightly convex, unarmed; lower margin slightly convex, with small tooth at midlength. Carpus 2.0 times as long as high, 1.4 times as long as merus; upper margin almost straight. Chela similar to that of male but relatively smaller; palm subquadrate, almost as long as high; fixed finger 0.5 times as long as palm, cutting edge
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<pageBreakToken pageId="4" pageNumber="39" start="start">with</pageBreakToken>
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some small denticles on proximal half; dactylus slightly longer than fixed finger, cutting edge sinuate and with some small denticles on middle. Minor cheliped in female similar to that of male, and about 0.8 times as long as major cheliped.
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</paragraph>
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<paragraph pageId="4" pageNumber="39">Pereopod 2 (Fig. 3A) chelate. Ischium 2.0 times as long as high; merus about 3.0 times as long as high, upper margin smooth, lower margin protruding and with row of dense long setae; carpus subtriangular, shorter than merus; chela slightly shorter than carpus, with dense setae on lower and upper margins; palm with upper margin slightly convex; dactylus 1.9 times as long as upper margin of palm; carpus and chela fringed with short to long setae along margins.</paragraph>
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<caption pageId="4" pageNumber="39">
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<paragraph pageId="4" pageNumber="39">
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Figure 3.
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea hainanensis" order="Decapoda" pageId="4" pageNumber="39" phylum="Arthropoda" rank="species" species="hainanensis">Nihonotrypaea hainanensis</taxonomicName>
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sp. n.
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<normalizedToken originalValue="A–E">A-E</normalizedToken>
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Holotype male, MBM136863
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<normalizedToken originalValue="F–H">F-H</normalizedToken>
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Paratype female, MBM136863
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<normalizedToken originalValue="A–D">A-D</normalizedToken>
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pereopods 2-5, outer views E male pleopod 1, posterior view F female pleopod 1, posterior view G female pleopod 2, posterior view H appendix internae of pleopod 3, posterior view. Scale = 1 mm.
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</paragraph>
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</caption>
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<paragraph pageId="4" pageNumber="39">Pereopod 3 (Fig. 3B) simple, moderately slender. Ischium slender, approximately 2.0 times as long as high; merus approximately 2.7 times as long as high; carpus subtriangular, shorter and broader than merus, broadest subdistally, approximately 1.9 times as long as high; propodus subrectangular, lower margin roundly swollen, upper margin slightly convex and 0.6 length of carpus, with numerous tufts of setae on lateral surface and row of thick setae along upper and lower margin, no distinct heel delimited; dactylus subtriangular, upper and lower margin convex, outer surface densely setose, terminating in corneous tip.</paragraph>
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<paragraph pageId="4" pageNumber="39">Pereopod 4 (Fig. 3C) slender, all articles unarmed. Ischium rectangular; merus slightly longer than ischium; carpus 0.6 length of merus; propodus 2.8 times as long as carpus, lower margin densely setose; dactylus tapering distally, setose on lateral margin.</paragraph>
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<paragraph pageId="4" pageNumber="39">Pereopod 5 (Fig. 3D) slender, semichelate, all articles unarmed. Ischium rectangular; merus about 2.5 as long as ischium; carpus about 0.6 length of merus, upper margin swollen; propodus about 1.3 times as long as carpus, lower distal corner projecting to form a chela with dactylus, lateral surface beset distally with dense setae; dactylus hooked toward external side of fixed finger, tips of dactylus and fixed finger obtuse.</paragraph>
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<paragraph pageId="4" pageNumber="39">Pleomeres smooth dorsally. Pleomere 1 narrowing anteriorly in dorsal view; dorsal tergite fused with the lateral pleurites; pleuron weakly developed but with clearly defined ventral margin. Pleomere 2 distinctly longer than other pleomeres, with posterolateral margin of pleuron slightly expanded, bearing lateral row of plumose setae. Pleomere 3-5 with pleura each having tuft of moderately long plumose setae. Pleomere 6 (Fig. 1C) subquadrate in dorsal view, very slightly narrowed posteriorly; lateral margin smooth, without conspicuous notch.</paragraph>
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<paragraph pageId="4" pageNumber="39">Telson (Fig. 1C) trapezoidal, almost as long as wide and 0.8 times as long as pleomere 6; dorsal surface convex with a short transverse row of setae medially; lateral margin unarmed; posterior margin gently convex, with small median spine.</paragraph>
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<paragraph pageId="4" pageNumber="39">Male pleopod 1 (Fig. 3E) uniramous, 2-articulated; distal article with some distal setae. Male pleopod 2 absent. Female pleopod 1 (Fig. 3F) uniramous, 2-articulated; protopod article sinuous, shorter than ramus; ramus spatulate distally and weakly thickened basally, bearing short setae on both margins. Female pleopod 2 (Fig. 3G) biramous; exopod 2-articulated, approximately 1.5 times as long as endopod, sinuous, bearing some short setae distally; endopod with long setae on proximal part and short setae terminally. Pleopods 3-5 biramous, foliaceous, rami broad; appendix internae (Fig. 3H) stubby, slightly projecting beyond margin of endopod, bearing numerous small adhesive hooks along mesial margin.</paragraph>
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<paragraph pageId="5" pageNumber="40">
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<pageBreakToken pageId="5" pageNumber="40" start="start">Uropodal</pageBreakToken>
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endopod (Fig. 1C) subovate, slightly longer than telson, 1.5 times as long as wide; margins unarmed; with distinct submedian carina on dorsal surface. Uropodal exopod (Fig. 1C) broadened and fan-shaped, almost as long as wide; margins unarmed, with a distinct submedian carina on dorsal surface.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="6" lastPageNumber="41" pageId="5" pageNumber="40" type="remarks">
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<paragraph pageId="5" pageNumber="40">Remarks.</paragraph>
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<paragraph pageId="6" pageNumber="41">
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea hainanensis" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="hainanensis">
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<pageBreakToken pageId="6" pageNumber="41" start="start">Nihonotrypaea</pageBreakToken>
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hainanensis
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</taxonomicName>
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sp. n. is the sixth species assigned to the genus. The new species is closely related to
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea harmandi" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="harmandi">Nihonotrypaea harmandi</taxonomicName>
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(Bouvier, 1901),
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea japonica" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="japonica">Nihonotrypaea japonica</taxonomicName>
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(Ortmann, 1891) and
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea petalura" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="petalura">Nihonotrypaea petalura</taxonomicName>
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(Stimpson, 1860) in the antennular peduncle being subequal in the length to the antennal peduncle, whereas
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea thermophila" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="thermophila">Nihonotrypaea thermophila</taxonomicName>
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Lin, Komai & Chan, 2007 and
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea makarovi" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="makarovi">Nihonotrypaea makarovi</taxonomicName>
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Martin, 2013 have the antennular peduncle being slightly to distinctly shorter than the antennal peduncle.
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea hainanensis" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="hainanensis">Nihonotrypaea hainanensis</taxonomicName>
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sp. n. is distinguishable from
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea harmandi" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="harmandi">Nihonotrypaea harmandi</taxonomicName>
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(Bouvier, 1901),
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea japonica" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="japonica">Nihonotrypaea japonica</taxonomicName>
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(Ortmann, 1891),
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea thermophila" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="thermophila">Nihonotrypaea thermophila</taxonomicName>
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Lin, Komai & Chan, 2007 and
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea makarovi" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="makarovi">Nihonotrypaea makarovi</taxonomicName>
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Martin, 2013 by having a relatively long carpus (approximately 1.7 times as long as high in male and 2.0 times as long as high in female) of the major cheliped (versus carpus subquadrate, in male, approximately 1.1 times as long as high in the later four species; in female approximately 1.5 time as long as high in
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea makarovi" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="makarovi">Nihonotrypaea makarovi</taxonomicName>
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, 1.1 times as long as high in
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea harmandi" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="harmandi">Nihonotrypaea harmandi</taxonomicName>
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,
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea japonica" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="japonica">Nihonotrypaea japonica</taxonomicName>
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and
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea thermophila" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="thermophila">Nihonotrypaea thermophila</taxonomicName>
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).
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<bibRefCitation author="Sakai, K" journalOrPublisher="Publications of the Seto Marine Biological Laboratory" pageId="7" pageNumber="42" pagination="209 - 252" title="Revision of Japanese callianassids based on the variations of larger cheliped in Callianassapetalura Stimpson and C. japonica Ortmann (Decapoda: Anomura)." volume="17" year="1969">Sakai (1969)</bibRefCitation>
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discussed the variation of the major cheliped in
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<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea petalura" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="petalura">Nihonotrypaea petalura</taxonomicName>
|
||
: some specimen have the oblong carpus (approximately 1.5-1.8 times as long as high), which is similar to
|
||
<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea hainanensis" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="hainanensis">Nihonotrypaea hainanensis</taxonomicName>
|
||
sp. n., but the new species can be readily distinguished from
|
||
<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea petalura" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="petalura">Nihonotrypaea petalura</taxonomicName>
|
||
by the proximolower margin of the carpus of the major cheliped bearing several small denticles (versus smooth in
|
||
<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea petalura" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="petalura">Nihonotrypaea petalura</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="6" pageNumber="41">
|
||
It is worth mentioning that considerable similarities were also found between species assigned to
|
||
<taxonomicName class="Malacostraca" family="Callianassidae" genus="Nihonotrypaea" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Nihonotrypaea" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="genus">Nihonotrypaea</taxonomicName>
|
||
and those of
|
||
<taxonomicName class="Malacostraca" family="Callianassidae" genus="Biffarius" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Biffarius" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="genus">Biffarius</taxonomicName>
|
||
Manning & Felder, 1991, especially regarding operculiform ischium-mems on the third maxilliped. The new species is also closely related to
|
||
<taxonomicName class="Malacostraca" family="Callianassidae" genus="Biffarius" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Biffarius ceramicus" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="ceramicus">Biffarius ceramicus</taxonomicName>
|
||
(Fulton & Grant, 1906) and
|
||
<taxonomicName class="Malacostraca" family="Callianassidae" genus="Biffarius" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Biffarius melissae" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="melissae">Biffarius melissae</taxonomicName>
|
||
Poore, 2008 in having a broadly triangular rostrum and the antennular peduncle being subequal in length to the antennal peduncle. It is, however, distinguishable from
|
||
<taxonomicName class="Malacostraca" family="Callianassidae" genus="Biffarius" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Biffarius melissae" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="melissae">Biffarius melissae</taxonomicName>
|
||
Poore, 2008 by having the telson almost as long as wide (telson about 0.8 times as long as wide), and can be distinguished from
|
||
<taxonomicName class="Malacostraca" family="Callianassidae" genus="Biffarius" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Biffarius ceramicus" order="Decapoda" pageId="6" pageNumber="41" phylum="Arthropoda" rank="species" species="ceramicus">Biffarius ceramicus</taxonomicName>
|
||
(Fulton & Grant, 1906) by having a relatively long carpus of the male major cheliped (approximately 0.8 times as long as high).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="6" pageNumber="41" type="etymology">
|
||
<paragraph pageId="6" pageNumber="41">Etymology.</paragraph>
|
||
<paragraph pageId="6" pageNumber="41">The species name is based on the type locality, Hainan Province of China.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="6" pageNumber="41" type="distribution and habitat">
|
||
<paragraph pageId="6" pageNumber="41">Distribution and habitat.</paragraph>
|
||
<paragraph pageId="6" pageNumber="41">Presently only known from the type locality. Found in the intertidal zone in sand.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |