153 lines
18 KiB
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153 lines
18 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.520.5943" ID-GBIF-Dataset="860255f3-2283-4d25-a3fe-a67a3a412b3c" ID-PMC="PMC4591720" ID-Pensoft-Pub="1313-2970-520-27" ID-PubMed="26448712" ID-ZBK="909933C676BD47F29B89861034DE09E2" ModsDocAuthor="" ModsDocDate="2015" ModsDocID="1313-2970-520-27" ModsDocOrigin="ZooKeys 520" ModsDocTitle="Two new species of Asellota (Crustacea, Isopoda) from coral reefs on Iriomote Island, Okinawa, Japan" checkinTime="1451243983169" checkinUser="pensoft" docAuthor="Shimomura, Michitaka & Naruse, Tohru" docDate="2015" docId="BC1F9AE0479BCE8A9CD1D3E67600A972" docLanguage="en" docName="ZooKeys 520: 27-40" docOrigin="ZooKeys 520" docSource="http://dx.doi.org/10.3897/zookeys.520.5943" docTitle="Pleurocope iriomotensis Shimomura & Naruse, 2015, sp. n." docType="treatment" docUuid="D687B687-10AE-491F-94CA-63C99CF6A3C3" docUuidSource="ZooBank" docVersion="4" lastPageNumber="30" masterDocId="FFAAFFEAFF20411026264A02EC00FF82" masterDocTitle="Two new species of Asellota (Crustacea, Isopoda) from coral reefs on Iriomote Island, Okinawa, Japan" masterLastPageNumber="40" masterPageNumber="27" pageNumber="30" updateTime="1668160668509" 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 Asellota (Crustacea, Isopoda) from coral reefs on Iriomote Island, Okinawa, Japan</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>Shimomura, Michitaka</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>Naruse, Tohru</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>520</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>27</mods:start>
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<mods:end>40</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.520.5943</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.520.5943</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-520-27</mods:identifier>
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<mods:identifier type="ZBK">909933C676BD47F29B89861034DE09E2</mods:identifier>
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<mods:identifier type="ZooBank">909933C676BD47F29B89861034DE09E2</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152062335" LSID="urn:lsid:zoobank.org:act:D687B687-10AE-491F-94CA-63C99CF6A3C3" httpUri="http://treatment.plazi.org/id/BC1F9AE0479BCE8A9CD1D3E67600A972" lastPageNumber="30" pageId="3" pageNumber="30">
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<subSubSection pageId="3" pageNumber="30" type="multiple">
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<paragraph pageId="3" pageNumber="30">
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<pageBreakToken pageId="3" pageNumber="30" start="start">Taxon</pageBreakToken>
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classification Animalia Isopoda Pleurocopidae
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="30" type="nomenclature">
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<paragraph pageId="3" pageNumber="30">
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<taxonomicName LSID="http://zoobank.org/D687B687-10AE-491F-94CA-63C99CF6A3C3" class="Malacostraca" family="Pleurocopidae" genus="Pleurocope" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pleurocope iriomotensis" order="Isopoda" pageId="3" pageNumber="30" phylum="Arthropoda" rank="species" species="iriomotensis">Pleurocope iriomotensis</taxonomicName>
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<taxonomicNameLabel pageId="3" pageNumber="30">sp. n.</taxonomicNameLabel>
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Figs 2, 3, 4
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="30" type="materials_examined">
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<paragraph pageId="3" pageNumber="30">Material examined.</paragraph>
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<paragraph pageId="3" pageNumber="30">
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Holotype. ♂ (0.9 mm),
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="24.333334">24°20'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="925" value="123.683334">123°41'E</geoCoordinate>
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, Amitori Bay, Okinawa, Japan, 19 July 2012, dead coral, 25 m, coll. TN (KMNH IvR 500,729).
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</paragraph>
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<paragraph pageId="3" pageNumber="30">Paratypes. 3♂♂ (0.5-0.9 mm), Amitori Bay, Okinawa, Japan, 19 July 2012, dead coral, 4 m, coll. MS (KMNH IvR 500,730-500,732).</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="30" type="description of the holotype">
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<paragraph pageId="3" pageNumber="30">Description of the holotype.</paragraph>
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<paragraph pageId="3" pageNumber="30">Body (Fig. 2) 1.6 times as long as maximum width (including spine-like processes), widest at pereonite 3, with many small granules on dorsum, without dorsal setae. Head (including eyestalks) 2.4 times as broad as long, head without eyestalks 1.2 times as broad as long, broader than pereonite 1; frontal and posterior margins of head convex. Eyes each with 2 ommatidia; eyestalks slender, long, reaching near distal end of article 1 of antenna 1. Pereonites 1 and 5-7 laterally rounded, without lateral spine-like processes; pereonites 2 and 3 with pair of long lateral spine-like processes bearing 2 or 3 robust setae; lateral spine-like processes of pereonites 2 and 3 reaching to tip of second article of antennula in length; pereonite 4 with pair of short lateral spine-like processes bearing single robust seta and 2 short teeth distally; lateral spine-like processes of pereonite 4 half as long as ones of pereonite 3. Pereonite 1 shortest; pereonite 2 three times as long as pereonite 1; pereonites 3 and 4 longest, subequal in length; pereonite 5 0.7 times as long as pereonite 4, pereonites 5-7 subequal in length. Pereonites 1 to 3 increasing in width; pereonite 4 narrower than pereonites 3; pereonites 4 to 7 decreasing in width. Coxal plates dorsally visible on pereonites 5-7, laterally with spine-like process and 2 robust setae. Pleotelson (Fig. 2) approx. 2.2 times as long as wide, widest at anterior one seventh, tapering to sharply rounded apex, with 12 robust setae distally.</paragraph>
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<caption pageId="3" pageNumber="30">
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<paragraph pageId="3" pageNumber="30">
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Figure 2.
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<taxonomicName class="Malacostraca" family="Pleurocopidae" genus="Pleurocope" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pleurocope iriomotensis" order="Isopoda" pageId="3" pageNumber="30" phylum="Arthropoda" rank="species" species="iriomotensis">Pleurocope iriomotensis</taxonomicName>
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sp. n., holotype male, habitus, dorsal. Scale bar: 100
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<normalizedToken originalValue="μm">μm</normalizedToken>
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.
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</paragraph>
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</caption>
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<paragraph pageId="3" pageNumber="30">Antennula (Fig. 3A) consisting of 6 articles. Article 1 longest and broadest, twice broader than eyestalks, with 1 long and 1 short simple setae laterodistally; article 2 nearly 0.8 times as long as article 1, distally with 1 short and 2 long, stout simple setae and 1 broom-like seta; article 3 about half as long as article 2, without setae; article 4 approx. 0.6 times as long as article 3, without setae; article 5 approx. 1.8 times as long as article 4, with 1 aesthetasc distally; article 6 shortest, with 1 long simple seta and 1 aesthetasc apically.</paragraph>
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<caption pageId="3" pageNumber="30">
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<paragraph pageId="3" pageNumber="30">
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Figure 3.
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<taxonomicName class="Malacostraca" family="Pleurocopidae" genus="Pleurocope" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pleurocope iriomotensis" order="Isopoda" pageId="3" pageNumber="30" phylum="Arthropoda" rank="species" species="iriomotensis">Pleurocope iriomotensis</taxonomicName>
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sp. n.
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<normalizedToken originalValue="A–B">A-B</normalizedToken>
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,
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<normalizedToken originalValue="E–K">E-K</normalizedToken>
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holotype male
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<normalizedToken originalValue="C–D">C-D</normalizedToken>
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paratype male (KMNH IvR 500,732): A left antennula, dorsal B left antenna, ventral C left mandible, dorsal D right mandible, dorsal E left maxillula, ventral F left maxilla, ventral G left maxilliped, dorsal H left pereopod 1, medial; I left pereopod 2, medial J left pereopod 3, medial K left pereopod 4, medial. Scale bars: 100
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<normalizedToken originalValue="μm">μm</normalizedToken>
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.
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</paragraph>
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</caption>
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<paragraph pageId="3" pageNumber="30">Antenna (Fig. 3B): peduncle consisting of 4 short and 2 long articles, and flagellum of 7 short articles. Articles 1 and 2 subquadrate, without setae; article 3 with a simple seta laterodistally and 4 simple setae on lateral protrusion; article 4 as long as articles 1 and 2 combined, without setae; article 5 longer than article 4, with single simple seta medially and laterally; article 6 as long as article 5, with 2 simple setae distomedially and 2 broom-like setae laterodistally; flagellum as long as peduncular articles 4-6 together, flagellar articles 1-6 each with 0, 1, 0, 2, 2 and 0 simple setae distally; flagellar article 7 with 2 simple setae and 1 aesthetasc.</paragraph>
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<paragraph pageId="3" pageNumber="30">Maxillula (Fig. 3E) with medial lobe short, lacking setae; lateral lobe with 7 setae distally. Maxilla (Fig. 3F) with medial lobe bearing some fine and 2 stout setae on margin; lateral 2 lobes each with 2 stout setae apically.</paragraph>
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<paragraph pageId="3" pageNumber="30">Maxilliped (Fig. 3G) palp slender, twice as long as basis: article 1 shortest, without setae; articles 2 to 4 subequal in length, each with single distal seta; article 5 narrowest, with a short seta medially and 2 stout setae apically; basis quadrate with broad endite bearing 2 simple setae distally and 1 coupling hook medially; epipod crenulated laterally, 2.6 times as long as width, 1.5 times as long as basis.</paragraph>
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<paragraph pageId="3" pageNumber="30">Pereopod 1 (Fig. 3H): basis 0.8 as long as ischium, with 1 dorsal seta; ischium the longest article, with short tooth and 2 long setae dorsally; merus pentagonal, with a ventral and a dorsal seta; carpus trapezoidal, as long as merus, with distoventral tapering projection terminating with 1 stout seta and 1 slender setae ventrally; propodus ovate, 2.3 times as long as width, with 1 proximoventral and 1 distodorsal small setae; dactylus as long as propodus, with 1 triangulate tooth and 1 short seta ventrally and 2 setae subapically, unguis half as long as dactylus and 1 slender seta apically.</paragraph>
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<paragraph pageId="3" pageNumber="30">
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Pereopod 2 (Fig. 3I) shorter than pereopods 3-7; basis with 1 distoventral seta; ischium 2.1 times as long as basis, dorsally with 2 robust setae; merus shorter than half length of ischium, with 2 simple setae ventrally and 1 robust seta dorsally; carpus longer than merus, with 2 robust setae ventrally and 1 simple seta dorsodistally; propodus as long as ischium, ventrally with 3 robust unequally bifid setae and 1 fringed scale on distal third, and with 2 simple and 1 robust seta dorsally; dactylus slender, 3.1 times as long as width, with 1 simple seta, 1 stout unguis and 1 accessory claw apically, and with 2 simple setae subapically. Pereopods 3-7 (Figs 3
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<normalizedToken originalValue="J–K">J-K</normalizedToken>
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, 4
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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) subequal in shape and slightly increasing in length posteriorly; bases with 1 ventrodistal seta; ischia longer than bases, with 1-2 simple ventrally and 1-2 robust setae dorsally; meri less shorter than half length of ischia, with 2 setae ventrally and 1-2 robust setae dorsally; carpi longer than meri, with 1-2 simple and 2 robust setae ventrally and 0-1 simple and 0-1 robust setae dorsally; propodi longer than ischia, with 3 robust setae ventrally and 2-3 robust and 1 broom-like seta dorsally; dactyli with 2 simple setae, 1 stout unguis and 1 short accessory claw apically and 2 simple setae subapically.
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</paragraph>
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<caption pageId="3" pageNumber="30">
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<paragraph pageId="3" pageNumber="30">
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Figure 4.
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<taxonomicName class="Malacostraca" family="Pleurocopidae" genus="Pleurocope" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pleurocope iriomotensis" order="Isopoda" pageId="3" pageNumber="30" phylum="Arthropoda" rank="species" species="iriomotensis">Pleurocope iriomotensis</taxonomicName>
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sp. n.
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<normalizedToken originalValue="A–G">A-G</normalizedToken>
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holotype male H paratype male (KMNH IvR 500,731): A left pereopod 5, medial B left pereopod 6, medial C left pereopod 7, lateral D pleopod 1, ventral E left pleopod 2, dorsal F left pleopod 2, ventral G left pleopod 3, dorsal H habitus, lateral. Scale bars: 100
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<normalizedToken originalValue="μm">μm</normalizedToken>
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.
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</paragraph>
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</caption>
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<paragraph pageId="3" pageNumber="30">Pleopod 1 (Fig. 4D) about 3.4 times as long as maximum width, tapering to apex, apically with 3 pairs of short setae. Pleopod 2 (Fig. 4E, F): protopod 3 times as long as wide, bearing long seta apically; apical seta 1.2 times as long as protopod; endopod surpassing tip of protopod, with slender, long second article; second article 1.2 times as long as protopod; exopod narrower than endopod first article. Pleopod 3 (Fig. 4G): endopod 4.7 times as long as width, bearing 3 stout plumose setae distally; exopod 0.9 times as long as endopod, bearing 2 simple setae apically.</paragraph>
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<paragraph pageId="3" pageNumber="30">Uropod (Fig. 2) half as long as pleotelson. Protopod wide posteriorly, with 3 robust setae distally; exopod as long as protopod, with 2 robust setae distally; endopod slightly shorter than exopod, with 3 broom-like and 2 robust setae distally.</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="30" type="description of the paratypes">
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<paragraph pageId="3" pageNumber="30">Description of the paratypes.</paragraph>
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<paragraph pageId="3" pageNumber="30">Body (Fig. 4H) flattened, without spines and projections on dorsum. Left mandible (Fig. 3C) incisor 4 conical, directed anteriorly, without setae and teeth; lacinia mobilis with 3 teeth. Right mandible (Fig. 3D) incisor with 2 teeth apically, without setae.</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="30" type="female">
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<paragraph pageId="3" pageNumber="30">Female.</paragraph>
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<paragraph pageId="3" pageNumber="30">Not known.</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="30" type="remarks">
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<paragraph pageId="3" pageNumber="30">Remarks.</paragraph>
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<paragraph pageId="3" pageNumber="30">
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<taxonomicName class="Malacostraca" family="Pleurocopidae" genus="Pleurocope" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pleurocope iriomotensis" order="Isopoda" pageId="3" pageNumber="30" phylum="Arthropoda" rank="species" species="iriomotensis">Pleurocope iriomotensis</taxonomicName>
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sp. n. can be identified by the following combination of characters: pereonite 1 lacking lateral spine-like processes; pereonites 2-4 and coxal plates of pereonites 5-7 each with lateral spine-like process; pleotelson twice as long longer as wide; flagellum of antenna consisting of 7 articles. Pereonite 1 without a spine-like process links the new species to
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<taxonomicName class="Malacostraca" family="Pleurocopidae" genus="Pleurocope" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pleurocope floridensis" order="Isopoda" pageId="3" pageNumber="30" phylum="Arthropoda" rank="species" species="floridensis">Pleurocope floridensis</taxonomicName>
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Hooker, 1985, from the Gulf of Mexico and to
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<taxonomicName class="Malacostraca" family="Pleurocopidae" genus="Pleurocope" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pleurocope dasyura" order="Isopoda" pageId="3" pageNumber="30" phylum="Arthropoda" rank="species" species="dasyura">Pleurocope dasyura</taxonomicName>
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Walker, 1901, from the Gulf of Naples, Italy.
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<taxonomicName class="Malacostraca" family="Pleurocopidae" genus="Pleurocope" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pleurocope iriomotensis" order="Isopoda" pageId="3" pageNumber="30" phylum="Arthropoda" rank="species" species="iriomotensis">Pleurocope iriomotensis</taxonomicName>
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is distinguished from
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<taxonomicName class="Malacostraca" family="Pleurocopidae" genus="Pleurocope" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pleurocope floridensis" order="Isopoda" pageId="3" pageNumber="30" phylum="Arthropoda" rank="species" species="floridensis">Pleurocope floridensis</taxonomicName>
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by the following characters (those of
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<taxonomicName class="Malacostraca" family="Pleurocopidae" genus="Pleurocope" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pleurocope floridensis" order="Isopoda" pageId="3" pageNumber="30" phylum="Arthropoda" rank="species" species="floridensis">Pleurocope floridensis</taxonomicName>
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in parentheses): pereonite 4 and coxal plate of pereonite 7 with spine-like process (without spine-like process); eyestalks not reaching to second article of antennula (surpassing second article of antennula); fifth article of antennula with 1 aesthetasc (with 2 aesthetascs); ischium of pereopod 1 with dorsal projection (without dorsal projection); pleopod 1 apically with 3 pairs of short setae (apically with 5 pairs of short setae).
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<taxonomicName class="Malacostraca" family="Pleurocopidae" genus="Pleurocope" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pleurocope dasyura" order="Isopoda" pageId="3" pageNumber="30" phylum="Arthropoda" rank="species" species="dasyura">Pleurocope dasyura</taxonomicName>
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differs from the new species in having pereonite 4 and coxal plate of pereonite 7 without spine-like processes, pereon with 6 long dorsal setae, antenna with long projection, and pleopod 1 apically with 4 pairs of short setae.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="30" type="etymology">
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<paragraph pageId="3" pageNumber="30">Etymology.</paragraph>
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<paragraph pageId="3" pageNumber="30">The species is named after the type locality.</paragraph>
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</subSubSection>
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</treatment>
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</document> |