235 lines
30 KiB
XML
235 lines
30 KiB
XML
<document id="C43E7C42610168BAF0BEBB5E8E7AC074" ID-CLB-Dataset="28416" ID-DOI="10.11646/zootaxa.4564.2.5" ID-GBIF-Dataset="2febe8b5-9bed-4434-80cc-2271c2b2de38" ID-ISSN="1175-5326" ID-Zenodo-Dep="2589236" ID-ZooBank="658E8F7C-F2A0-4EFC-9B2B-7E5DFDE03F37" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1552225634128" checkinUser="plazi" docAuthor="Baba, Keiji & Wicksten, Mary K." docDate="2019" docId="194587F3FF8CF623FF24FC29DA7B9170" docLanguage="en" docName="zootaxa.4564.2.5.pdf" docOrigin="Zootaxa 4564 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Heteroptychus nautilus Baba & Wicksten 2019, n. sp." docType="treatment" docVersion="8" lastPageNumber="403" masterDocId="E57CFF8BFF85F62FFFB3FFDEDE7B9528" masterDocTitle="Chirostyloidean squat lobsters (Crustacea: Decapoda: Anomura) from the Galapagos Islands" masterLastPageNumber="421" masterPageNumber="391" pageNumber="400" updateTime="1698701099383" updateUser="ExternalLinkService">
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<mods:mods id="772801F578423C8C56C0AE2A1A58B130" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="D1B1D66BAB81152FEB8E9C5DED5F206C">
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<mods:title id="286B6CF65C8AE8D7BC1A3FD4750CCC0D">Chirostyloidean squat lobsters (Crustacea: Decapoda: Anomura) from the Galapagos Islands</mods:title>
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<mods:name id="C775139866997D006AF4E2C1F16794A4" type="personal">
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<mods:namePart id="46269E26B60A387E7501D069908F3C43">Baba, Keiji</mods:namePart>
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<mods:name id="8D0F5C02C68144ECBC0AC0362F0F9CC0" type="personal">
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<mods:roleTerm id="4D24D01CE2F6122414B008B44B09C593">Author</mods:roleTerm>
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<mods:namePart id="296D881D6965FFF0C9EF05AE2ED2A357">Wicksten, Mary K.</mods:namePart>
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<mods:typeOfResource id="0450A0C51C877F5FC7E7B84385EE9ACA">text</mods:typeOfResource>
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<mods:titleInfo id="222BC02EFF95448F1F5B09E011EB59C0">
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<mods:title id="DD125B056D5EDAFE0491848EA39D394E">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="4A4A53E3614B982E21F734AFEDFC814B">
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<mods:date id="46A644514E09DAB0586413C908E60C5E">2019</mods:date>
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<mods:number id="880886014269944F6A69E20D63CB38EC">2019-03-06</mods:number>
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<mods:number id="8100933B3D7D9304CA186C284C0D9FE3">4564</mods:number>
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<mods:identifier id="7D7DD9733434A7D22E5F54087B31CC8A" type="DOI">10.11646/zootaxa.4564.2.5</mods:identifier>
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<treatment id="194587F3FF8CF623FF24FC29DA7B9170" ID-DOI="http://doi.org/10.5281/zenodo.5934352" ID-GBIF-Taxon="154366658" ID-Zenodo-Dep="5934352" LSID="urn:lsid:plazi:treatment:194587F3FF8CF623FF24FC29DA7B9170" httpUri="http://treatment.plazi.org/id/194587F3FF8CF623FF24FC29DA7B9170" lastPageId="12" lastPageNumber="403" pageId="9" pageNumber="400">
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<subSubSection id="D9F6656EFF8CF626FF24FC29DF80913A" box="[151,507,1015,1042]" pageId="9" pageNumber="400" type="nomenclature">
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<paragraph id="915336E5FF8CF626FF24FC29DF80913A" blockId="9.[151,507,1015,1075]" box="[151,507,1015,1042]" pageId="9" pageNumber="400">
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<heading id="CA1B8189FF8CF626FF24FC29DF80913A" bold="true" box="[151,507,1015,1042]" fontSize="11" level="1" pageId="9" pageNumber="400" reason="1">
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<emphasis id="A398EAF7FF8CF626FF24FC29DF80913A" bold="true" box="[151,507,1015,1042]" pageId="9" pageNumber="400">
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<taxonomicName id="56EC4D66FF8CF626FF24FC29DFCA9139" ID-CoL="c661e470-873d-4737-89db-c7592d64e068" authority="Baba & Wicksten, 2019" authorityName="Baba & Wicksten" authorityYear="2019" box="[151,433,1015,1041]" class="Malacostraca" family="Chirostylidae" genus="Heteroptychus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="400" phylum="Arthropoda" rank="species" species="nautilus" status="sp. nov.">
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<emphasis id="A398EAF7FF8CF626FF24FC29DFCA9139" bold="true" box="[151,433,1015,1041]" italics="true" pageId="9" pageNumber="400">Heteroptychus nautilus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="B8AB578CFF8CF626FE0AFC26DF80913A" box="[441,507,1016,1042]" pageId="9" pageNumber="400" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="D9F6656EFF8CF626FF24FBC4DF34911B" box="[151,335,1050,1075]" pageId="9" pageNumber="400" type="description">
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<paragraph id="915336E5FF8CF626FF24FBC4DF34911B" blockId="9.[151,507,1015,1075]" box="[151,335,1050,1075]" pageId="9" pageNumber="400">
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(
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<figureCitation id="09D72A60FF8CF626FF2CFBC4DE95911A" box="[159,238,1050,1075]" captionStart="FIGURE 7" captionStartId="10.[151,249,1813,1835]" captionTargetBox="[216,1358,357,1785]" captionTargetId="figure@10.[151,1436,301,1791]" captionTargetPageId="10" captionText="FIGURE 7. Heteroptychus nautilus n. sp., holotype, ovigerous female (CL 5.2 mm), CDF NA064-009-01-01-A. A, carapace and anterior part of abdomen, dorsal. B, same, lateral. C, anterior part of pterygostomian flap, dorsolateral. D, sternal plastron, with excavated sternum and basal parts of Mxp1. E, telson. F, left antenna, ventral. G, right Mxp3, ventral. H, left Mxp3, lateral. Scales = 1 mm." httpUri="https://zenodo.org/record/2589250/files/figure.png" pageId="9" pageNumber="400">Figs. 7</figureCitation>
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,
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<figureCitation id="09D72A60FF8CF626FF49FBC5DF71911B" box="[250,266,1051,1075]" captionStart="FIGURE 8" captionStartId="11.[151,249,1695,1717]" captionTargetBox="[253,1343,236,1582]" captionTargetId="figure@11.[151,1435,193,1751]" captionTargetPageId="11" captionText="FIGURE 8. Heteroptychus nautilus n. sp., holotype, ovigerous female (CL 5.2 mm), CDF NA064-009-01-01-A. A, right P1, dorsal. B, same, mesial. C, same, ischium and proximal part of merus, lateral. D, same, ischium and merus, ventral. E, movable finger, dorsomesial. F, fixed finger, dorsomesial. G, right P2, lateral. H, same, distal part. I, right P3, lateral. J, same, distal part. K, right P4, lateral. L, same, distal part. Scales for A, B, D = 1 mm; scales for C, E–L = 1 mm." httpUri="https://zenodo.org/record/2589252/files/figure.png" pageId="9" pageNumber="400">8</figureCitation>
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,
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<figureCitation id="09D72A60FF8CF626FEA5FBC5DF3D911B" box="[278,326,1051,1075]" captionStart="FIGURE 17" captionStartId="26.[151,249,1884,1906]" captionTargetBox="[151,1436,184,1863]" captionTargetId="figure@26.[151,1436,183,1863]" captionTargetPageId="26" captionText="FIGURE 17. A, Eumunida subsolanus n. sp., holotype, female (CL 6.0 mm), CDF NA064-018-01-03-A. B, Heteroptychus nautilus n. sp., holotype, ovigerous female (CL 5.2 mm), CDF NA064-009-01-01-A. C, Uroptychus bellus Faxon, 1893, male (CL 4.5 mm), with Antipatharia, CDF NA064-130-01-01-A. D, Uroptychus occidentalis Faxon, 1893, two specimens on Chrysogorgia sp., CDF NA064-013-01-01-A. E, same, right ovigerous female (CL 11.4 mm), left specimen not available for study, CDF NA064-013-01-01-A." httpUri="https://zenodo.org/record/2589272/files/figure.png" pageId="9" pageNumber="400">17B</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="D9F6656EFF8CF626FF24FBBCDB0991B7" pageId="9" pageNumber="400" type="materials_examined">
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<paragraph id="915336E5FF8CF626FF24FBBCDB0991B7" blockId="9.[151,1437,1122,2011]" pageId="9" pageNumber="400">
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<emphasis id="A398EAF7FF8CF626FF24FBBCDF3A9153" bold="true" box="[151,321,1122,1147]" pageId="9" pageNumber="400">Type material</emphasis>
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. CDF NA064-009-01-01-A,
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<typeStatus id="4E578847FF8CF626FD26FBBCDC819153" box="[661,762,1122,1147]" pageId="9" pageNumber="400" type="holotype">holotype</typeStatus>
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, ovigerous female (CL
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<quantity id="56149B00FF8CF626FBA2FBBCDA149153" box="[1041,1135,1122,1147]" metricMagnitude="-3" metricUnit="m" metricValue="5.2" pageId="9" pageNumber="400" unit="mm" value="5.2">5.2 mm</quantity>
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), ROV Dive H1435, East Wolf Seamount,
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<geoCoordinate id="F4D85022FF8CF626FEE0FB59DFAE91B7" box="[339,469,1159,1183]" direction="north" orientation="latitude" pageId="9" pageNumber="400" precision="1" value="1.2154667">1°12.928'N</geoCoordinate>
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,
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<geoCoordinate id="F4D85022FF8CF626FE52FB58DC0F91B7" box="[481,628,1158,1183]" direction="west" orientation="longitude" pageId="9" pageNumber="400" precision="1" value="-91.09232">91°5.5395'W</geoCoordinate>
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,
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<quantity id="56149B00FF8CF626FD33FB59DC9791B6" box="[640,748,1159,1183]" metricMagnitude="3" metricUnit="m" metricValue="1.0494" pageId="9" pageNumber="400" unit="m" value="1049.4">1049.4 m</quantity>
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, with bamboo coral
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<taxonomicName id="56EC4D66FF8CF626FC62FB58DAB191B7" authority="(Alcyonacea)" authorityName="Lamouroux" authorityYear="1812" baseAuthorityName="Alcyonacea" box="[977,1226,1158,1183]" class="Anthozoa" family="Isididae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Alcyonacea" pageId="9" pageNumber="400" phylum="Cnidaria" rank="family">Isididae (Alcyonacea)</taxonomicName>
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,
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<date id="E5521025FF8CF626FB66FB59DB1591B7" box="[1237,1390,1158,1183]" pageId="9" pageNumber="400" value="2015-06-27">27 June 2015</date>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="D9F6656EFF8CF623FF74FB74DDC69715" lastPageId="12" lastPageNumber="403" pageId="9" pageNumber="400" type="description">
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<paragraph id="915336E5FF8CF626FF74FB74DA04932F" blockId="9.[151,1437,1122,2011]" pageId="9" pageNumber="400">
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<emphasis id="A398EAF7FF8CF626FF74FB74DF2A91EB" bold="true" box="[199,337,1194,1219]" pageId="9" pageNumber="400">Description</emphasis>
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.
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<emphasis id="A398EAF7FF8CF626FED2FB75DFB491EA" box="[353,463,1195,1218]" italics="true" pageId="9" pageNumber="400">Carapace</emphasis>
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: 0.9 × as long as broad, greatest breadth 2.1 × distance between anterolateral spines. Dorsal surface polished, moderately convex from anterior to posterior, without depression between gastric and cardiac regions, ridged along posterior half of lateral margin, greatest breadth measured at posterior fourth. Lateral margins convexly divergent posteriorly; anterolateral spine well developed, horizontal, directed anteromesially; smooth without any process and protuberance. Rostrum 0.8 × as long as broad, directed somewhat antero-ventrally, with lateral margins distinctly concave; distally blunt, bearing setae, with interior angle of 20°, length 0.3 × postorbital carapace length, breadth less than half that of carapace measured at posterior margin; dorsal surface flattish but feebly concave basally. Lateral limit of orbit feebly angular, without distinct spine. Pterygostomian flap very low on posterior half (posterior height 0.35 × anterior height), anteriorly produced to sharp spine; anterior surface well inflated (convex from dorsal to ventral), with 2 low, blunt ridges on midline.
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</paragraph>
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<paragraph id="915336E5FF8CF626FF74F9CCDCE593BF" blockId="9.[151,1437,1122,2011]" pageId="9" pageNumber="400">
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<emphasis id="A398EAF7FF8CF626FF74F9CCDFEE9303" box="[199,405,1554,1579]" italics="true" pageId="9" pageNumber="400">Thoracic sternum</emphasis>
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: Excavated sternum with triangular anterior end followed by tiny spine on rounded longitudinal ridge in midline. Sternal plastron 0.6 × as long as broad, lateral extremities divergent posteriorly, sternite 6 nearly as broad as sternite 7. Anterior margin of sternite 3 deeply excavated in semicircular shape, with small median notch; submedian spines absent.
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</paragraph>
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<paragraph id="915336E5FF8CF626FF74F97CDA3A920F" blockId="9.[151,1437,1122,2011]" pageId="9" pageNumber="400">
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<emphasis id="A398EAF7FF8CF626FF74F97CDF4A9393" box="[199,305,1698,1723]" italics="true" pageId="9" pageNumber="400">Abdomen</emphasis>
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: Smooth, polished. Somite 1 tergite gently convex from anterior to posterior. Somite 2 tergite 2.1 × broader than long; pleural lateral margins moderately concave, strongly divergent posteriorly, ending in rounded margin. Pleura of somites 3–4 ending in rounded margin. Telson 0.4 × as long as broad; posterior plate slightly concave on posterior margin, 1.2 × longer than, and 0.8 × as broad as anterior plate.
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</paragraph>
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<paragraph id="915336E5FF8CF626FF74F8EADDC39263" blockId="9.[151,1437,1122,2011]" box="[199,952,1842,1867]" pageId="9" pageNumber="400">
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<emphasis id="A398EAF7FF8CF626FF74F8EADE879263" box="[199,252,1844,1867]" italics="true" pageId="9" pageNumber="400">Eyes</emphasis>
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: 1.4 × as long as broad. Cornea as long as remaining eyestalk.
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</paragraph>
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<paragraph id="915336E5FF8CF626FF74F888DDDA92F3" blockId="9.[151,1437,1122,2011]" pageId="9" pageNumber="400">
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<emphasis id="A398EAF7FF8CF626FF74F888DFAA9246" box="[199,465,1878,1903]" italics="true" pageId="9" pageNumber="400">Antennule and antenna</emphasis>
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: Ultimate article of antennular peduncle 3.9 × longer than high. Antennal peduncle slightly overreaching apex of rostrum. Antennal scale fused with article 2, 1.3 × broader than article 5, slightly falling short of midlength of article 4. Distal 2 articles unarmed; article 5 1.4 × longer than article 4, breadth 0.5 × height of ultimate antennular article. Flagellum of 16 or 17 segments.
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</paragraph>
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<paragraph id="915336E5FF8FF625FF74FF47DB2895D0" blockId="10.[151,1436,151,248]" pageId="10" pageNumber="401">
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<emphasis id="A398EAF7FF8FF625FF74FF47DE829598" box="[199,249,153,176]" italics="true" pageId="10" pageNumber="401">Mxp</emphasis>
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: Mxps 1 with bases moderately separated. Mxp 3 basis with obsolescent distal denticle on mesial ridge; ischium crista dentata with obsolescent denticles; merus 2.2 × longer than ischium, relatively thick mesio-laterally, unarmed, with rounded ridge along flexor margin; extensor and flexor margins subparallel; carpus unarmed.
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</paragraph>
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<caption id="C593666DFF8FF625FF24F8CBDF4F92AF" httpUri="https://zenodo.org/record/2589250/files/figure.png" pageId="10" pageNumber="401" startId="10.[151,249,1813,1835]" targetBox="[216,1358,357,1785]" targetPageId="10">
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<paragraph id="915336E5FF8FF625FF24F8CBDF4F92AF" blockId="10.[151,1437,1812,1927]" pageId="10" pageNumber="401">
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<emphasis id="A398EAF7FF8FF625FF24F8CBDF689202" bold="true" box="[151,275,1813,1835]" pageId="10" pageNumber="401">FIGURE 7.</emphasis>
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<taxonomicName id="56EC4D66FF8FF625FEA9F8CADC7D9202" authority="Baba & Wicksten, 2019" authorityName="Baba & Wicksten" authorityYear="2019" box="[282,518,1812,1834]" class="Malacostraca" family="Chirostylidae" genus="Heteroptychus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="401" phylum="Arthropoda" rank="species" species="nautilus" status="sp. nov.">
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<emphasis id="A398EAF7FF8FF625FEA9F8CADC7D9202" box="[282,518,1812,1834]" italics="true" pageId="10" pageNumber="401">Heteroptychus nautilus</emphasis>
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</taxonomicName>
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<emphasis id="A398EAF7FF8FF625FDBEF8CBDC3C9202" bold="true" box="[525,583,1813,1834]" pageId="10" pageNumber="401">
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<taxonomicNameLabel id="B8AB578CFF8FF625FDBEF8CBDC3C9202" box="[525,583,1813,1834]" pageId="10" pageNumber="401" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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, holotype, ovigerous female (CL 5.2 mm), CDF NA064-009-01-01-A. A, carapace and anterior part of abdomen, dorsal. B, same, lateral. C, anterior part of pterygostomian flap, dorsolateral. D, sternal plastron, with excavated sternum and basal parts of Mxp1. E, telson. F, left antenna, ventral. G, right Mxp3, ventral. H, left Mxp3, lateral. Scales = 1 mm.
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</paragraph>
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</caption>
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<caption id="C593666DFF8EF624FF24F941DA2E9239" httpUri="https://zenodo.org/record/2589252/files/figure.png" pageId="11" pageNumber="402" startId="11.[151,249,1695,1717]" targetBox="[253,1343,236,1582]" targetPageId="11">
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<paragraph id="915336E5FF8EF624FF24F941DA2E9239" blockId="11.[151,1437,1695,1809]" pageId="11" pageNumber="402">
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||
<emphasis id="A398EAF7FF8EF624FF24F941DF68939C" bold="true" box="[151,275,1695,1717]" pageId="11" pageNumber="402">FIGURE 8.</emphasis>
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<taxonomicName id="56EC4D66FF8EF624FEA9F941DC7D939D" authority="Baba & Wicksten, 2019" authorityName="Baba & Wicksten" authorityYear="2019" box="[282,518,1695,1717]" class="Malacostraca" family="Chirostylidae" genus="Heteroptychus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="402" phylum="Arthropoda" rank="species" species="nautilus" status="sp. nov.">
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<emphasis id="A398EAF7FF8EF624FEA9F941DC7D939D" box="[282,518,1695,1717]" italics="true" pageId="11" pageNumber="402">Heteroptychus nautilus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="B8AB578CFF8EF624FDBEF941DC3C939C" box="[525,583,1695,1716]" pageId="11" pageNumber="402" rank="species">
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<emphasis id="A398EAF7FF8EF624FDBEF941DC3C939C" bold="true" box="[525,583,1695,1716]" pageId="11" pageNumber="402">n. sp.</emphasis>
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</taxonomicNameLabel>
|
||
, holotype, ovigerous female (CL 5.2 mm), CDF NA064-009-01-01-A. A, right P1, dorsal. B, same, mesial. C, same, ischium and proximal part of merus, lateral. D, same, ischium and merus, ventral. E, movable finger, dorsomesial. F, fixed finger, dorsomesial. G, right P2, lateral. H, same, distal part. I, right P3, lateral. J, same, distal part. K, right P4, lateral. L, same, distal part. Scales for A, B, D = 1 mm; scales for C, E–L = 1 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="915336E5FF8EF623FF74F8E0DA2B95D0" blockId="11.[151,1437,1853,2022]" lastBlockId="12.[151,1437,151,1112]" lastPageId="12" lastPageNumber="403" pageId="11" pageNumber="402">
|
||
<emphasis id="A398EAF7FF8EF624FF74F8E0DE9D927E" box="[199,230,1854,1878]" italics="true" pageId="11" pageNumber="402">P1</emphasis>
|
||
: 7.4 × carapace length, barely setose except for fingers. Ischium with basally broad, distally blunt distodorsal process and smaller proximal dorsal process overhanging basis. Merus with short distodorsal spine mesially, smooth elsewhere, length 1.6 × that of carapace. Carpus 0.8 × as high as broad, 1.5 × longer than merus, with row of 5 or 6 obsolescent spines along mesial margin and distinct distodorsal spine mesially. Palm 6.1 × longer than broad, 0.6 × as high as broad, 0.9 × as long as carpus; mesial margin roundly ridged, not cristiform, with 5 or 6 obsolescent spines. Fingers slender, gaping in proximal half, opposable margins straightly fitting to each other in distal half when closed, distally spooned; movable finger 0.4 × length of palm, with prominent, blunt process at proximal third, distal to position of opposite lower process on fixed finger.
|
||
</paragraph>
|
||
<paragraph id="915336E5FF89F623FF74FEDADAD194DD" blockId="12.[151,1437,151,1112]" pageId="12" pageNumber="403">
|
||
<emphasis id="A398EAF7FF89F623FF74FEDADF799434" box="[199,258,260,284]" italics="true" pageId="12" pageNumber="403">P2–4</emphasis>
|
||
: Long setae on carpi, thickly setose along prehensile margins of propodi and dactyli. P2 merus slightly longer than P3 merus, P4 merus 0.5 × as long as P3 merus; length-breadth ratio, 6.5 on P2, 6.3 on P3, 3.2 on P4; P2 merus as long as carapace, 1.4 × length of propodus. P2 carpus slightly longer than P3 carpus, 1.1 × longer than P2 propodus; P4 carpus one-third length of P3 carpus, 0.4 × length of P4 propodus. Propodi 1.4 (P2), 1.5 (P3), 1.4 × (P4) longer than dactyli, flexor margins concavely curving in lateral view, unarmed. Dactyli 0.6 × (P2 and P3), 1.8 × (P4) length of carpi; flexor margin with row of 16 or 17 sharp spines proximally diminishing and nearly perpendicular to margin, ultimate and penultimate spines subequal or ultimate slightly larger.
|
||
</paragraph>
|
||
<paragraph id="915336E5FF89F623FF74FDDFDA62973F" blockId="12.[151,1437,151,1112]" box="[199,1049,511,536]" pageId="12" pageNumber="403">
|
||
<emphasis id="A398EAF7FF89F623FF74FDDFDE849730" box="[199,255,513,536]" italics="true" pageId="12" pageNumber="403">Eggs</emphasis>
|
||
: Number of eggs carried, 27; size, 1.21 ×
|
||
<quantity id="56149B00FF89F623FD6BFDDEDD47973F" box="[728,828,512,536]" metricMagnitude="-3" metricUnit="m" metricValue="1.4" pageId="12" pageNumber="403" unit="mm" value="1.4">1.40 mm</quantity>
|
||
to 1.26 ×
|
||
<quantity id="56149B00FF89F623FC1DFDDEDA6E973F" box="[942,1045,512,536]" metricMagnitude="-3" metricUnit="m" metricValue="1.48" pageId="12" pageNumber="403" unit="mm" value="1.48">1.48 mm</quantity>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="915336E5FF89F623FF74FDFADDC69715" blockId="12.[151,1437,151,1112]" box="[199,957,548,573]" pageId="12" pageNumber="403">
|
||
<emphasis id="A398EAF7FF89F623FF74FDFADF399715" box="[199,322,548,573]" italics="true" pageId="12" pageNumber="403">Coloration</emphasis>
|
||
: Overall seashell pink, anterior part of carapace reddish.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D9F6656EFF89F623FF74FD97DD2F9748" box="[199,852,583,608]" pageId="12" pageNumber="403" type="biology_ecology">
|
||
<paragraph id="915336E5FF89F623FF74FD97DD2F9748" blockId="12.[151,1437,151,1112]" box="[199,852,583,608]" pageId="12" pageNumber="403">
|
||
<emphasis id="A398EAF7FF89F623FF74FD97DE879748" box="[199,252,585,608]" italics="true" pageId="12" pageNumber="403">Host</emphasis>
|
||
: Collected with bamboo coral
|
||
<taxonomicName id="56EC4D66FF89F623FDE5FD99DD2B9748" authority="(Alcyonacea)" authorityName="Lamouroux" authorityYear="1812" baseAuthorityName="Alcyonacea" box="[598,848,583,608]" class="Anthozoa" family="Isididae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Alcyonacea" pageId="12" pageNumber="403" phylum="Cnidaria" rank="family">Isididae (Alcyonacea)</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D9F6656EFF89F623FF74FDB2DF7F9780" pageId="12" pageNumber="403" type="etymology">
|
||
<paragraph id="915336E5FF89F623FF74FDB2DF7F9780" blockId="12.[151,1437,151,1112]" pageId="12" pageNumber="403">
|
||
<emphasis id="A398EAF7FF89F623FF74FDB2DF3D97AD" bold="true" box="[199,326,620,645]" pageId="12" pageNumber="403">Etymology</emphasis>
|
||
. The specific name is a noun in apposition, taken from the E/V
|
||
<emphasis id="A398EAF7FF89F623FBABFDB2DA0C97AD" box="[1048,1143,620,645]" italics="true" pageId="12" pageNumber="403">Nautilus</emphasis>
|
||
by which the species was collected.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D9F6656EFF89F623FF74FD6ADA5D911D" pageId="12" pageNumber="403" type="discussion">
|
||
<paragraph id="915336E5FF89F623FF74FD6ADB12963D" blockId="12.[151,1437,151,1112]" pageId="12" pageNumber="403">
|
||
<emphasis id="A398EAF7FF89F623FF74FD6ADF4F97E5" bold="true" box="[199,308,692,717]" pageId="12" pageNumber="403">Remarks</emphasis>
|
||
. The specimen is apparently in the process of molting, as is observed on some of the flexor spines on the P2–4 dactyli, which are not demarcated at their bases. In all known species of
|
||
<taxonomicName id="56EC4D66FF89F623FB85FD09DAA397D8" authorityName="Baba" authorityYear="2018" box="[1078,1240,727,752]" class="Malacostraca" family="Chirostylidae" genus="Heteroptychus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="403" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="A398EAF7FF89F623FB85FD09DAA397D8" box="[1078,1240,727,752]" italics="true" pageId="12" pageNumber="403">Heteroptychus</emphasis>
|
||
</taxonomicName>
|
||
as well as all the other genera of the
|
||
<taxonomicName id="56EC4D66FF89F623FEC3FD22DC71963D" authorityName="Ortmann" authorityYear="1892" box="[368,522,764,789]" class="Malacostraca" family="Chirostylidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="403" phylum="Arthropoda" rank="family">Chirostylidae</taxonomicName>
|
||
, all the spines are basally demarcated from the flexor margin of the dactylus.
|
||
</paragraph>
|
||
<paragraph id="915336E5FF89F623FF74FCC1DA5D911D" blockId="12.[151,1437,151,1112]" pageId="12" pageNumber="403">
|
||
<taxonomicName id="56EC4D66FF89F623FF74FCC1DFB79610" authority="Baba & Wicksten, 2019" authorityName="Baba & Wicksten" authorityYear="2019" box="[199,460,799,824]" class="Malacostraca" family="Chirostylidae" genus="Heteroptychus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="403" phylum="Arthropoda" rank="species" species="nautilus" status="sp. nov.">
|
||
<emphasis id="A398EAF7FF89F623FF74FCC1DFB79610" box="[199,460,799,824]" italics="true" pageId="12" pageNumber="403">Heteroptychus nautilus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="A398EAF7FF89F623FE65FCC1DC6C9610" bold="true" box="[470,535,799,824]" pageId="12" pageNumber="403">
|
||
<taxonomicNameLabel id="B8AB578CFF89F623FE65FCC1DC6C9610" box="[470,535,799,824]" pageId="12" pageNumber="403" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
resembles
|
||
<taxonomicName id="56EC4D66FF89F623FD29FCFFDDD49610" authority="Baba, 2018" authorityName="Baba" authorityYear="2018" box="[666,943,799,824]" class="Malacostraca" family="Chirostylidae" genus="Heteroptychus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="403" phylum="Arthropoda" rank="species" species="claudeae">
|
||
<emphasis id="A398EAF7FF89F623FD29FCFFDD589610" box="[666,803,799,824]" italics="true" pageId="12" pageNumber="403">H. claudeae</emphasis>
|
||
Baba, 2018
|
||
</taxonomicName>
|
||
known widely from the western Pacific in having the antennal scale fused with article 2 and in having a smooth carapace lateral margin. In
|
||
<taxonomicName id="56EC4D66FF89F623FB5FFC9BDB119675" authorityName="Baba & Wicksten" authorityYear="2019" box="[1260,1386,836,861]" class="Malacostraca" family="Chirostylidae" genus="Heteroptychus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="403" phylum="Arthropoda" rank="species" species="nautilus">
|
||
<emphasis id="A398EAF7FF89F623FB5FFC9BDB119675" box="[1260,1386,836,861]" italics="true" pageId="12" pageNumber="403">H. nautilus</emphasis>
|
||
</taxonomicName>
|
||
, the carapace is longer relative to breadth (0.9 versus 0.7 ×), the posterior part of the pterygostomian flap is higher (posterior height/anterior height, 0.35 versus 0.1); the anterolateral spine of the carapace is more remote from the lateral limit of the orbit or lateral orbital spine when viewed dorsally (this distance is fully as large as instead of distinctly smaller than the basal breadth of the anterolateral spine).
|
||
<taxonomicName id="56EC4D66FF89F623FC25FC0ADAE196C5" authority="Baba & Wicksten, 2019" authorityName="Baba & Wicksten" authorityYear="2019" box="[918,1178,980,1005]" class="Malacostraca" family="Chirostylidae" genus="Heteroptychus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="403" phylum="Arthropoda" rank="species" species="nautilus" status="sp. nov.">
|
||
<emphasis id="A398EAF7FF89F623FC25FC0ADAE196C5" box="[918,1178,980,1005]" italics="true" pageId="12" pageNumber="403">Heteroptychus nautilus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="A398EAF7FF89F623FB10FC0ADA9896C5" bold="true" box="[1187,1251,980,1005]" pageId="12" pageNumber="403">
|
||
<taxonomicNameLabel id="B8AB578CFF89F623FB10FC0ADA9896C5" box="[1187,1251,980,1005]" pageId="12" pageNumber="403" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is distinguished from
|
||
<taxonomicName id="56EC4D66FF89F623FF64FC27DF0A9138" authority="Baba & Wicksten, 2019" authorityName="Baba & Wicksten" authorityYear="2019" box="[215,369,1015,1040]" class="Malacostraca" family="Chirostylidae" genus="Heteroptychus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="403" phylum="Arthropoda" rank="species" species="galapagos" status="sp. nov.">
|
||
<emphasis id="A398EAF7FF89F623FF64FC27DF0A9138" box="[215,369,1015,1040]" italics="true" pageId="12" pageNumber="403">H. galapagos</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="A398EAF7FF89F623FEC9FC29DFC09138" bold="true" box="[378,443,1015,1040]" pageId="12" pageNumber="403">
|
||
<taxonomicNameLabel id="B8AB578CFF89F623FEC9FC29DFC09138" box="[378,443,1015,1040]" pageId="12" pageNumber="403" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
by the absence of tubercles on the carapace lateral margin and the anterolateral spine directed anteromesially and horizontally, instead of straight forward and dorsally.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D9F6656EFF89F623FF74FBE1DA7B9170" box="[199,1024,1087,1112]" pageId="12" pageNumber="403" type="distribution">
|
||
<paragraph id="915336E5FF89F623FF74FBE1DA7B9170" blockId="12.[151,1437,151,1112]" box="[199,1024,1087,1112]" pageId="12" pageNumber="403">
|
||
<emphasis id="A398EAF7FF89F623FF74FBE1DF229170" bold="true" box="[199,345,1087,1112]" pageId="12" pageNumber="403">Distribution</emphasis>
|
||
. East Wolf Seamount,
|
||
<collectingRegion id="5328F807FF89F623FDE8FBE1DD5C9170" box="[603,807,1087,1112]" country="Ecuador" name="Galapagos" pageId="12" pageNumber="403">Galapagos Islands</collectingRegion>
|
||
at
|
||
<quantity id="56149B00FF89F623FCFAFB9EDDC8917F" box="[841,947,1088,1112]" metricMagnitude="3" metricUnit="m" metricValue="1.0494" pageId="12" pageNumber="403" unit="m" value="1049.4">1049.4 m</quantity>
|
||
depth.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |