120 lines
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120 lines
12 KiB
XML
<document id="021292714620D2699DF1BF92EB39C3F8" ID-CLB-Dataset="33310" ID-DOI="http://dx.doi.org/10.3897/zookeys.665.10476" ID-GBIF-Dataset="deca21d0-8058-4f45-9d40-379243fe86ea" ID-PMC="PMC5523164" ID-Pensoft-Pub="1313-2970-665-1" ID-PubMed="28769624" ID-ZooBank="9117BAF17E9B4E2599EC7C8C6A8F456E" ModsDocAuthor="" ModsDocDate="2017" ModsDocID="1313-2970-665-1" ModsDocOrigin="ZooKeys 665" ModsDocTitle="Chitons (Mollusca, Polyplacophora) from Alacranes Reef, Yucatan, Mexico" checkinTime="1491256510415" checkinUser="pensoft" docAuthor="Reyes-Gomez, Adriana, Ortigosa, Deneb & Simoes, Nuno" docDate="2017" docId="D45F3B1C31E7900303F005A43680D7A1" docLanguage="en" docName="ZooKeys 665: 1-36" docOrigin="ZooKeys 665" docSource="http://dx.doi.org/10.3897/zookeys.665.10476" docTitle="Acanthochitona zebra Lyons 1988" docType="treatment" docVersion="6" lastPageNumber="7" masterDocId="CB0B5931FFA4FF90FFDBFFF5FFC0FFC9" masterDocTitle="Chitons (Mollusca, Polyplacophora) from Alacranes Reef, Yucatan, Mexico" masterLastPageNumber="36" masterPageNumber="1" pageNumber="6" updateTime="1701377323243" updateUser="ExternalLinkService">
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<mods:title id="1D3FE2E9CF7D12EB69A7E370ECA41BA7">Chitons (Mollusca, Polyplacophora) from Alacranes Reef, Yucatan, Mexico</mods:title>
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<mods:namePart id="D6D26D3E013AD839BDF7DE4125227123">Reyes-Gomez, Adriana</mods:namePart>
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<mods:namePart id="C8FB383AA6CF5591527D9D4C46C0B8C2">Ortigosa, Deneb</mods:namePart>
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<mods:namePart id="84870B45987599601B3B2247F738EC65">Simoes, Nuno</mods:namePart>
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<mods:typeOfResource id="23854F919EA230A77B4725EFF5019033">text</mods:typeOfResource>
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<mods:title id="9DF4F837B050DA6AA3A5DB89C6837EA9">ZooKeys</mods:title>
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<mods:date id="E57F78B4D268F55D24D0F341D2B9AA1B">2017</mods:date>
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<mods:detail id="B87B90082078C4C503C64EDB9BE7481C" type="volume">
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<mods:number id="65FDEA10DF0E995D85C21CEFB30CC399">665</mods:number>
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<mods:url id="9E4765A9E1327DD45C7C324F0D18C6E4">http://dx.doi.org/10.3897/zookeys.665.10476</mods:url>
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<mods:classification id="BD487312C022D21E8141CF783CF63473">journal article</mods:classification>
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<mods:identifier id="70C595C06663E777AD82B90FBCEDA141" type="DOI">http://dx.doi.org/10.3897/zookeys.665.10476</mods:identifier>
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<mods:identifier id="20435DE10334A5A95E37078D2235D7F0" type="Pensoft-Pub">1313-2970-665-1</mods:identifier>
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<treatment id="D45F3B1C31E7900303F005A43680D7A1" ID-GBIF-Taxon="128123045" LSID="urn:lsid:plazi:treatment:D45F3B1C31E7900303F005A43680D7A1" httpUri="http://treatment.plazi.org/id/D45F3B1C31E7900303F005A43680D7A1" lastPageId="6" lastPageNumber="7" pageId="5" pageNumber="6">
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<subSubSection id="DA74E00425FD63D33D314C2829E31E4F" pageId="5" pageNumber="6" type="nomenclature">
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<paragraph id="EF1D357E6BDCC6A82AD00CD56D7A0107" pageId="5" pageNumber="6">
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<taxonomicName id="1D63C6B0B225F97AE6C6AF0FECD00DB9" ID-CoL="7PRZ3" authority="Lyons, 1988" authorityName="Lyons" authorityYear="1988" class="Polyplacophora" family="Acanthochitonidae" genus="Acanthochitona" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthochitona zebra" order="Chitonida" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="zebra">Acanthochitona zebra Lyons, 1988</taxonomicName>
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Figures 6
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<normalizedToken id="CB83DD480ABEA5C2AE5307D820CE5CBB" originalValue="I–K">I-K</normalizedToken>
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, 11
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<normalizedToken id="B18EF6FE82F462B137A328F3B71BAAC2" originalValue="A–H">A-H</normalizedToken>
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</paragraph>
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</subSubSection>
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<subSubSection id="D39958C2818326BF2DADC8E2CCFAED2D" pageId="6" pageNumber="7" type="materials_examined">
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<paragraph id="16098DA332298A08D901777185EE8220" pageId="6" pageNumber="7">
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<pageBreakToken id="4921C58BBAE5E2CD1D5B4942D49865D8" pageId="6" pageNumber="7" start="start">Material</pageBreakToken>
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examined.
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</paragraph>
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<paragraph id="26BE36380992E33E818484CC634DE5F6" pageId="6" pageNumber="7">
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Five specimens; 7.5-11.5 mm long, 3.2-7 mm wide. Laguna Arrecifal Desterrada (CNMO4945),
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<normalizedToken id="886236DFB302920B91AC02690203B2E7" originalValue="Cabaña">Cabana</normalizedToken>
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CONANP (CNMO4979), Laguna Desterrada (CNMO4993).
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</paragraph>
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</subSubSection>
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<subSubSection id="CD8A8E04572BDF552A8D52B547F1A2C2" pageId="6" pageNumber="7" type="description">
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<paragraph id="2CA7B1A49B6C89BE3DFEAAE7143DDE86" pageId="6" pageNumber="7">Description.</paragraph>
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<paragraph id="EA97B0CF6BF8F1D663BEF107BE058E80" pageId="6" pageNumber="7">
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Small-sized chitons, color mainly beige to creamy, with concentric bands in dark brown or green on head, tail valve and the lateropleural areas of intermediate valves (Figure 6
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<normalizedToken id="4657BAB999D7FCB86884FA95FB797891" originalValue="I–K">I-K</normalizedToken>
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). Head valve (Figure 11A) semicircular, wider than long, posterior margin straight, apex slightly present. Tail valve (Figure 11B) smaller than head valve; mucro postmedian. Intermediate valves (Figure 11C) with tegmentum wider than long; apex pointy; jugum smooth and wider anteriorly. Insertion plate curved, short on its sides; apophyses long and anteriorly elevated wing-shaped in intermediate valves (Figure 11D); sub-rectangular in tail valve; slits in intermediate valves and in the tail valve are hardly present; slit formula 5/1/2. Tegmentum covered with sub-spatulate pustules, wider on their posterior end and somewhat inflated on their central area (Figure 11E). Girdle in living specimens wide, mostly cream-white colored with dark brown or olive-green, irregular longitudinal bands; covered with small spicules (Figure 11F, G), flattened, elongated and strongly ribbed (7-8 ribs) spicules, the ribs reach and join the spicule apex (Figure 11G); tufts reduced or less dense, with long hyaline spicules (Figure 11F). Radula (Figure 11H) with a pointed tricuspid major lateral tooth, the cusps are of almost the same size; central teeth sub-rectangular or spatulate anteriorly curved outwards.
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</paragraph>
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<caption id="207272CC300053E3E0CCE1556880DE88" pageId="6" pageNumber="7">
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<paragraph id="8256DBE0D1768C5A03B2AEEB57A0184B" pageId="6" pageNumber="7">
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Figure 11.
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<taxonomicName id="CE226C9F54B83F57DBBF7463965B1F37" class="Polyplacophora" family="Acanthochitonidae" genus="Acanthochitona" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthochitona zebra" order="Chitonida" pageId="6" pageNumber="7" phylum="Mollusca" rank="species" species="zebra">Acanthochitona zebra</taxonomicName>
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Lyons, 1988. Scanning electron images of a specimen from Laguna Desterrada (CNMO4993, 9.7 mm length). A dorsal view of head valve (I), SB = 500
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<normalizedToken id="AB76F5DBB45E6B7FBB9B4FEBF8B41995" originalValue="μm">μm</normalizedToken>
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B dorsal view of tail valve (VIII), SB = 500
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<normalizedToken id="0DFA211568D3E5908128770915509DC5" originalValue="μm">μm</normalizedToken>
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C dorsal view of intermediate valve IV, SB = 500
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<normalizedToken id="71CCACCD40FA7BB13776D2BAEA26133C" originalValue="μm">μm</normalizedToken>
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D ventral view of intermediate IV, SB = 500
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<normalizedToken id="EB2B25DEEF8BB0AAB86D60F10C9C2F8C" originalValue="μm">μm</normalizedToken>
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E intermediate valve IV pustules detail, SB = 100
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<normalizedToken id="81D71340B59B9B27F2A39424EFD4B71D" originalValue="μm">μm</normalizedToken>
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F girdle spicules and tuft, SB = 100
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<normalizedToken id="2EA09BF49EA5E54B3273058C625FBC33" originalValue="μm">μm</normalizedToken>
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G girdle spicules detail, SB = 20
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<normalizedToken id="9E3ABDD11215075D14D070C80DE7D989" originalValue="μm">μm</normalizedToken>
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H radular teeth, SB = 100
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<normalizedToken id="925A1638235ECE9B1CE019DE81E7999B" originalValue="μm">μm</normalizedToken>
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.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection id="B28706268D89E7D600C8530004CB772C" pageId="6" pageNumber="7" type="habitat">
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<paragraph id="89CF37E7728EE7D871ED586156BB2035" pageId="6" pageNumber="7">Habitat.</paragraph>
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<paragraph id="3A7457A6CF1ECE70BCFE170677373CFD" pageId="6" pageNumber="7">
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Found from the intertidal to the shallow subtidal around 12 m, on living corals, rocks and turtlegrass,
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<taxonomicName id="FEDDC98BD2A7F009669F97EE572B1729" lsidName="T. testudinum" pageId="6" pageNumber="7" rank="species" species="testudinum">T. testudinum</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="DE820F2218943420A55488871031FEBB" pageId="6" pageNumber="7" type="remarks">
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<paragraph id="BBEFE4C04C17D5BC1BBAC169C84F7877" pageId="6" pageNumber="7">Remarks.</paragraph>
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<paragraph id="248C0B80E7AE579491A1E213782C9372" pageId="6" pageNumber="7">
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<bibRefCitation id="FD28883D05B88725EF294C943358C64E" author="Lyons, WG" journalOrPublisher="American Malacological Bulletin" pageId="12" pageNumber="13" pagination="79 - 114" title="A review of Caribbean Acanthochitonidae (Mollusca: Polyplacophora) with descriptions of six new species of Acanthochitona Gray, 1821." volume="6" year="1988">Lyons (1988)</bibRefCitation>
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described morphological variation in this species (figure 118-120, and 121-127 respectively) from Tamarind Beach reef in Grand Bahamas, Dry Tortugas Florida and Puerto Rico. According to those figures, it seems that the Bahamas specimen (figure 118-120, of 10 mm length) showed a wider tegmentum in IV, and a remarkably elongated head valve. A PNAA specimen (11.2 mm) showed similarities with those specimens from Florida (
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<bibRefCitation id="7CE02E651EF43A444DE1F36868175968" author="Lyons, WG" journalOrPublisher="American Malacological Bulletin" pageId="12" pageNumber="13" pagination="79 - 114" title="A review of Caribbean Acanthochitonidae (Mollusca: Polyplacophora) with descriptions of six new species of Acanthochitona Gray, 1821." volume="6" year="1988">Lyons 1988</bibRefCitation>
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: figure 125, 11 mm), particularly in its rounded tegmentum, which seems to be typical in specimens of nearly the same length, and which is also similar to the type specimen (USNM859319) (15 mm). This specimen is also characterized by a somewhat rounded outline of the tegmentum (Figure 14A). Closer examination of the pustules of the PNAA specimens revealed them to have a somewhat inflated surface on their center (Figure 11E).
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<bibRefCitation id="748D52C54E6C4989E7B5D49680EC1CB5" author="Lyons, WG" journalOrPublisher="American Malacological Bulletin" pageId="12" pageNumber="13" pagination="79 - 114" title="A review of Caribbean Acanthochitonidae (Mollusca: Polyplacophora) with descriptions of six new species of Acanthochitona Gray, 1821." volume="6" year="1988">Lyons (1988)</bibRefCitation>
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did not call attention to this character state but the pustules are similar in his figures.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |