172 lines
16 KiB
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172 lines
16 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.525.5958" ID-GBIF-Dataset="63ac4450-d692-40d9-969a-e39820223fda" ID-PMC="PMC4607854" ID-Pensoft-Pub="1313-2970-525-129" ID-PubMed="26487820" ID-ZBK="22FBAEC229DC4C639D4E6C7EDA865F5B" ModsDocAuthor="" ModsDocDate="2015" ModsDocID="1313-2970-525-129" ModsDocOrigin="ZooKeys 525" ModsDocTitle="Two new species of the genus Anisomysis (Anisomysis) (Crustacea, Mysida, Mysidae) from coral reef waters in Thailand" checkinTime="1451243919629" checkinUser="pensoft" docAuthor="Moriya, Mitsuyasu, Srinui, Khwanruan & Sawamoto, Shozo" docDate="2015" docId="59DF650A4E50C0D9052B80D1EEB7121E" docLanguage="en" docName="ZooKeys 525: 129-145" docOrigin="ZooKeys 525" docSource="http://dx.doi.org/10.3897/zookeys.525.5958" docTitle="Anisomysis (Anisomysis) phuketensis Moriya, Srinui & Sawamoto, 2015, sp. n." docType="treatment" docUuid="1C987A5B-8D8F-436B-A3C3-5B1739089E97" docUuidSource="ZooBank" docVersion="4" lastPageNumber="136" masterDocId="EF63FF96FFA7FF82FFBEFFE89A66B603" masterDocTitle="Two new species of the genus Anisomysis (Anisomysis) (Crustacea, Mysida, Mysidae) from coral reef waters in Thailand" masterLastPageNumber="145" masterPageNumber="129" pageNumber="132" updateTime="1668160819267" 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>Two new species of the genus Anisomysis (Anisomysis) (Crustacea, Mysida, Mysidae) from coral reef waters in 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>Moriya, Mitsuyasu</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>Srinui, Khwanruan</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>Sawamoto, Shozo</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>2015</mods:date>
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<mods:detail type="volume">
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<mods:number>525</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>129</mods:start>
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<mods:end>145</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.525.5958</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.525.5958</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-525-129</mods:identifier>
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<mods:identifier type="ZBK">22FBAEC229DC4C639D4E6C7EDA865F5B</mods:identifier>
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<mods:identifier type="ZooBank">22FBAEC229DC4C639D4E6C7EDA865F5B</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152062596" LSID="urn:lsid:zoobank.org:act:1C987A5B-8D8F-436B-A3C3-5B1739089E97" httpUri="http://treatment.plazi.org/id/59DF650A4E50C0D9052B80D1EEB7121E" lastPageId="7" lastPageNumber="136" pageId="3" pageNumber="132">
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<subSubSection pageId="3" pageNumber="132" type="multiple">
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<paragraph pageId="3" pageNumber="132">
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<pageBreakToken pageId="3" pageNumber="132" start="start">Taxon</pageBreakToken>
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classification Animalia Mysida Mysidae
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="132" type="nomenclature">
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<paragraph pageId="3" pageNumber="132">
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<taxonomicName LSID="http://zoobank.org/1C987A5B-8D8F-436B-A3C3-5B1739089E97" class="Malacostraca" family="Mysidae" genus="Anisomysis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Anisomysis (Anisomysis) phuketensis" order="Mysida" pageId="3" pageNumber="132" phylum="Arthropoda" rank="species" species="phuketensis" subGenus="Anisomysis">Anisomysis (Anisomysis) phuketensis</taxonomicName>
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<taxonomicNameLabel pageId="3" pageNumber="132">sp. n.</taxonomicNameLabel>
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Figs 5, 6, 7, 8
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="133" type="type series">
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<paragraph pageId="4" pageNumber="133">
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<pageBreakToken pageId="4" pageNumber="133" start="start">Type</pageBreakToken>
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series.
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</paragraph>
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<paragraph pageId="4" pageNumber="133">
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Holotype (NSMT-Cr 24249), adult male (BL, 3.6 mm); allotype (NSMT-Cr 24250), adult female with embryos (BL, 3.9 mm); paratypes (NSMT-Cr 24251), 2 adult males (BL, 3.8, 4.0 mm) and 2 adult females with embryos (BL, 3.2, 3.6, 3.4 mm); Ko Lon, Phuket Is., Thailand,
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<geoCoordinate direction="north" orientation="latitude" precision="9" value="7.7834997">7°47.01'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="9" value="98.355">98°21.30'E</geoCoordinate>
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; collected with a hand net (mesh size, 0.33 mm; mouth diameter, 30 cm) by skin diving in a coral reef of 2-3 m deep, December 3, 2010 by M. Moriya.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="7" lastPageNumber="136" pageId="4" pageNumber="133" type="description">
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<paragraph pageId="4" pageNumber="133">Description.</paragraph>
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<paragraph pageId="4" pageNumber="133">Body slender (Fig. 5A). Carapace extending anteriorly into obtusely triangular rostrum with bluntly pointed apex, covering bases of antennules (Fig. 5B, C).</paragraph>
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<caption pageId="4" pageNumber="133">
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<paragraph pageId="4" pageNumber="133">
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Figure 5.
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<taxonomicName class="Malacostraca" family="Mysidae" genus="Anisomysis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Anisomysis (Anisomysis) phuketensis" order="Mysida" pageId="4" pageNumber="133" phylum="Arthropoda" rank="species" species="phuketensis" subGenus="Anisomysis">Anisomysis (Anisomysis) phuketensis</taxonomicName>
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sp. n., A, B, D holotype C allotype A lateral view B anterior part of body C anterior part of body D antenna.
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</paragraph>
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</caption>
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<paragraph pageId="4" pageNumber="133">
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Eyes large, cornea occupying half of eye in dorsal view (Fig. 5
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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). Eyestalk very short, without papilliform process on dorsal surface.
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</paragraph>
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<paragraph pageId="5" pageNumber="134">
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<pageBreakToken pageId="5" pageNumber="134" start="start">Antennular</pageBreakToken>
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peduncle more robust in male (Fig. 5B) than that in female (Fig. 5C); first segment shorter than third, armed with two setae at anterolateral corner; second segment shortest. In female (Fig. 5C), first segment armed with single seta at anterolateral corner.
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</paragraph>
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<paragraph pageId="5" pageNumber="134">Antennal scale (Fig. 5D) closely near the anterior margin of antennular peduncle in male (Fig. 5B), well beyond anterior margin in female (Fig. 5C); 5.5 times as long as broad in male, 6.1 times as long as broad in female. Antennal peduncle short, not reaching middle of antennal scale in both sexes (Fig. 5D).</paragraph>
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<paragraph pageId="5" pageNumber="134">Mandibular palp (Fig. 6A) 3-segmented; second segment widened mesially at around mid-length, armed with setae on both margins, without triangular processes; third segment rectangular, 0.5 times as long as second segment, outer margin armed with 5 marginal setae increasing in length distally, distal margin with 5 barbed setae on margin, 1 recurved and barbed seta and 1 long seta at distomedial corner. Maxillule and maxilla as shown in Fig. 6B and C, respectively.</paragraph>
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<caption pageId="5" pageNumber="134">
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<paragraph pageId="5" pageNumber="134">
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Figure 6.
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<taxonomicName class="Malacostraca" family="Mysidae" genus="Anisomysis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Anisomysis (Anisomysis) phuketensis" order="Mysida" pageId="5" pageNumber="134" phylum="Arthropoda" rank="species" species="phuketensis" subGenus="Anisomysis">Anisomysis (Anisomysis) phuketensis</taxonomicName>
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sp. n.,
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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holotype A mandible and mandibular palp (right side) B maxillule C maxilla.
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</paragraph>
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</caption>
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<paragraph pageId="6" pageNumber="135">
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<pageBreakToken pageId="6" pageNumber="135" start="start">First</pageBreakToken>
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thoracopodal endopod (Fig. 7A) short and stout, armed with straight, strong terminal claw. Second thoracopodal endopod (Fig. 7B) short; merus as long as carpopropodus, dactylus with strong, curved terminal claw. Third to eighth thoracopodal endopods (Fig. 7
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<normalizedToken originalValue="C–H">C-H</normalizedToken>
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) with undivided carpopropodus in both sexes. Flagelliform part of first and eighth thoracopodal exopods 7-segmented (Fig. 7A, H) and second to seventh 8-segmented (Fig. 7
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<normalizedToken originalValue="B–G">B-G</normalizedToken>
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). Basal plate of eight thoracopodal exopods with rounded outer distal corners.
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</paragraph>
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<caption pageId="6" pageNumber="135">
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<paragraph pageId="6" pageNumber="135">
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Figure 7.
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<taxonomicName class="Malacostraca" family="Mysidae" genus="Anisomysis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Anisomysis (Anisomysis) phuketensis" order="Mysida" pageId="6" pageNumber="135" phylum="Arthropoda" rank="species" species="phuketensis" subGenus="Anisomysis">Anisomysis (Anisomysis) phuketensis</taxonomicName>
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sp. n.,
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<normalizedToken originalValue="A–H">A-H</normalizedToken>
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holotype A 1st thoracopod B 2nd thoracopod C 3rd thoracopod D 4th thoracopod E 5th thoracopod F 6th thoracopod G 7th thoracopod H 8th thoracopod.
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</paragraph>
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</caption>
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<paragraph pageId="6" pageNumber="135">Abdomen (Fig. 5A) long and slender, sixth somite 1.3 times longer than fifth.</paragraph>
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<paragraph pageId="6" pageNumber="135">First, second, third, and fifth pleopods of male and all pleopods of female rudimentary. Fourth male pleopod (Fig. 8A) biramous; endopod minute and thin lobe with 4 setae; exopod long, three-segmented, overreaching distal end of telson (Fig. 5A). First segment longer than second and third segments combined; second segment shortest; segment length ratios 3:1:1.5; third segment with two terminal setae, almost equal in length, outer setae slender and naked, inner setae swollen at base and barbed on distal half.</paragraph>
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<paragraph pageId="6" pageNumber="135">Uropod slender, setose around (Fig. 8B); endopod straight, 1.5 times longer than telson excluding apical spines, no spine in statocyst region; exopod slightly curved outward, 1.1 times as long as endopod.</paragraph>
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<caption pageId="6" pageNumber="135">
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<paragraph pageId="6" pageNumber="135">
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Figure 8.
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<taxonomicName class="Malacostraca" family="Mysidae" genus="Anisomysis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Anisomysis (Anisomysis) phuketensis" order="Mysida" pageId="6" pageNumber="135" phylum="Arthropoda" rank="species" species="phuketensis" subGenus="Anisomysis">Anisomysis (Anisomysis) phuketensis</taxonomicName>
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sp. n., A, B holotype A 4th pleopod B uropods and telson
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</paragraph>
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</caption>
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<paragraph lastPageId="7" lastPageNumber="136" pageId="6" pageNumber="135">
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Telson (Fig. 8B) short, nearly 3/5 length of sixth abdominal somite, 1.2 times longer than broad at base, compressed around distal 1/4, then expanding distally, dis
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<pageBreakToken pageId="7" pageNumber="136" start="start">tal</pageBreakToken>
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margin slightly narrower than base; lateral margin armed with 4-5 short spines; apex of telson concave at the middle with paired spines almost equal in length, apical margin truncate with two long stout spines, outer spine curved inward, slightly shorter than inner straight spine.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="136" type="etymology">
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<paragraph pageId="7" pageNumber="136">Etymology.</paragraph>
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<paragraph pageId="7" pageNumber="136">The species is named after the type locality.</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="136" type="remarks">
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<paragraph pageId="7" pageNumber="136">Remarks.</paragraph>
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<paragraph pageId="7" pageNumber="136">
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The most noticeable characteristic of
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<taxonomicName class="Malacostraca" family="Mysidae" genus="Anisomysis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Anisomysis (Anisomysis) phuketensis" order="Mysida" pageId="7" pageNumber="136" phylum="Arthropoda" rank="species" species="phuketensis" subGenus="Anisomysis">Anisomysis (Anisomysis) phuketensis</taxonomicName>
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is the form of the telson. This species resembles
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<taxonomicName class="Malacostraca" family="Mysidae" genus="Anisomysis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Anisomysis (Anisomysis) robustispina" order="Mysida" pageId="7" pageNumber="136" phylum="Arthropoda" rank="species" species="robustispina" subGenus="Anisomysis">Anisomysis (Anisomysis) robustispina</taxonomicName>
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Panampunnayil, 1984 and
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<taxonomicName class="Malacostraca" family="Mysidae" genus="Anisomysis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Anisomysis (Anisomysis) truncata" order="Mysida" pageId="7" pageNumber="136" phylum="Arthropoda" rank="species" species="truncata" subGenus="Anisomysis">Anisomysis (Anisomysis) truncata</taxonomicName>
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Panampunnayil, 1993 in the presence of the peculiar long stout spines on the apical margin of telson. However,
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<taxonomicName class="Malacostraca" family="Mysidae" genus="Anisomysis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Anisomysis (Anisomysis) phuketensis" order="Mysida" pageId="7" pageNumber="136" phylum="Arthropoda" rank="species" species="phuketensis" subGenus="Anisomysis">Anisomysis (Anisomysis) phuketensis</taxonomicName>
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is distinguished from
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<taxonomicName class="Malacostraca" family="Mysidae" genus="Anisomysis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Anisomysis (Anisomysis) robustispina" order="Mysida" pageId="7" pageNumber="136" phylum="Arthropoda" rank="species" species="robustispina" subGenus="Anisomysis">Anisomysis (Anisomysis) robustispina</taxonomicName>
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by the following characters: only two long stout spines on telson (three in the latter), the length/width ratio of telson being 1.2 (1.6 in the latter), the length ratio of uropodal endopod to telson being 1.5 (2.3 in the latter). Although the telson of
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<taxonomicName class="Malacostraca" family="Mysidae" genus="Anisomysis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Anisomysis (Anisomysis) truncata" order="Mysida" pageId="7" pageNumber="136" phylum="Arthropoda" rank="species" species="truncata" subGenus="Anisomysis">Anisomysis (Anisomysis) truncata</taxonomicName>
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is also armed with two pairs of stout apical spines, the outer spines are twice as long as the inner (subequal in
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<taxonomicName class="Malacostraca" family="Mysidae" genus="Anisomysis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Anisomysis (Anisomysis) phuketensis" order="Mysida" pageId="7" pageNumber="136" phylum="Arthropoda" rank="species" species="phuketensis" subGenus="Anisomysis">Anisomysis (Anisomysis) phuketensis</taxonomicName>
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) and lacks the medial depression with two small spines, which is present in
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<taxonomicName class="Malacostraca" family="Mysidae" genus="Anisomysis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Anisomysis (Anisomysis) phuketensis" order="Mysida" pageId="7" pageNumber="136" phylum="Arthropoda" rank="species" species="phuketensis" subGenus="Anisomysis">Anisomysis (Anisomysis) phuketensis</taxonomicName>
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and
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<taxonomicName class="Malacostraca" family="Mysidae" genus="Anisomysis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Anisomysis (Anisomysis) robustispina" order="Mysida" pageId="7" pageNumber="136" phylum="Arthropoda" rank="species" species="robustispina" subGenus="Anisomysis">Anisomysis (Anisomysis) robustispina</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="136" type="distribution">
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<paragraph pageId="7" pageNumber="136">Distribution.</paragraph>
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<paragraph pageId="7" pageNumber="136">The type locality and Ko Chueak, Hat Chao Mai National Park, Trang Province, Thailand.</paragraph>
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</subSubSection>
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</treatment>
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</document> |