210 lines
28 KiB
XML
210 lines
28 KiB
XML
<document id="058EBB46870B51E8414BAF4001A1BCB0" ID-DOI="10.5281/zenodo.276783" ID-GBIF-Dataset="cbd0de37-eabb-43d6-bae2-ff7fe53daac6" ID-ISSN="1175-5326" ID-Zenodo-Dep="276783" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460235511592" checkinUser="plazi" docAuthor="Mah, Christopher L." docDate="2011" docId="03D28792FFECFFB784E416C46D5C8208" docLanguage="en" docName="zt02759p048.pdf" docOrigin="Zootaxa 2759" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Pillsburiaster calvus Mah, 2011, n. sp." docType="treatment" docVersion="7" lastPageNumber="43" masterDocId="FFEBFFEAFFC4FF9D847312686C098034" masterDocTitle="Taxonomy of high-latitude Goniasteridae (Subantarctic & Antarctic): one new genus, and three new species with an overview and key to taxa" masterLastPageNumber="48" masterPageNumber="1" pageNumber="41" updateTime="1698239547451" updateUser="plazi">
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<mods:titleInfo id="ABDB5E8C1FF3047DDEA94C75DFA97DA5">
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<mods:title id="BD3EE0A645619E9650DB663E812699AF">Taxonomy of high-latitude Goniasteridae (Subantarctic & Antarctic): one new genus, and three new species with an overview and key to taxa</mods:title>
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<mods:name id="3698925399ED532CF4EA034A5CFCD024" type="personal">
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<mods:roleTerm id="76F593BCC3A506E67AADF66C07540A8E">Author</mods:roleTerm>
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<mods:namePart id="45A0C5CE32A6C8DD6791684350E99F67">Mah, Christopher L.</mods:namePart>
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<mods:typeOfResource id="81F3DE01D80E71E5B2805160CCCB2344">text</mods:typeOfResource>
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<mods:title id="6627F5897436CC62876B7F6E71FFA3EE">Zootaxa</mods:title>
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<mods:part id="EE5BC68CF1BFCE2FE40A8FD8AA2425E3">
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<mods:date id="941062F025E7222B37E7A134EEEFD15E">2011</mods:date>
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<mods:detail id="7C2D9EF7C95E7AF0EBD789ED8140D28F" type="volume">
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<mods:number id="74FBADBE21BE8C11A48EECFB08E3DFD5">2759</mods:number>
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<mods:classification id="61C0FCEC9A60D489303B279954D16E31">journal article</mods:classification>
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<mods:identifier id="541BC7FD988D5CD5828850587F71A032" type="DOI">10.5281/zenodo.276783</mods:identifier>
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<mods:identifier id="F8FFFE0480B028A031B177672D3EDF98" type="GBIF-Dataset">cbd0de37-eabb-43d6-bae2-ff7fe53daac6</mods:identifier>
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<mods:identifier id="3021947940106ABFF4732030CE84DFC2" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="1EEE79793EA0C0B87DD275DBDE4D1962" type="Zenodo-Dep">276783</mods:identifier>
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<treatment id="03D28792FFECFFB784E416C46D5C8208" ID-DOI="http://doi.org/10.5281/zenodo.6184373" ID-GBIF-Taxon="119388083" ID-Zenodo-Dep="6184373" LSID="urn:lsid:plazi:treatment:03D28792FFECFFB784E416C46D5C8208" httpUri="http://treatment.plazi.org/id/03D28792FFECFFB784E416C46D5C8208" lastPageId="42" lastPageNumber="43" pageId="40" pageNumber="41">
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<subSubSection id="C361650FFFECFFB584E416C46D5D84D2" pageId="40" pageNumber="41" type="nomenclature">
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<paragraph id="8BC43684FFECFFB584E416C46DDE84F1" blockId="40.[151,471,1195,1254]" box="[151,471,1195,1222]" pageId="40" pageNumber="41">
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<heading id="D08C81E8FFECFFB584E416C46DDE84F1" bold="true" box="[151,471,1195,1222]" fontSize="11" level="1" pageId="40" pageNumber="41" reason="1">
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<emphasis id="B90FEA96FFECFFB584E416C46DDE84F1" bold="true" box="[151,471,1195,1222]" pageId="40" pageNumber="41">
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<taxonomicName id="4C7B4D07FFECFFB584E416C46D8484F2" ID-CoL="4HTTV" box="[151,397,1196,1222]" class="Asteroidea" family="Goniasteridae" genus="Pillsburiaster" kingdom="Animalia" order="Valvatida" pageId="40" pageNumber="41" phylum="Echinodermata" rank="species" species="calvus" status="sp. nov.">
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<emphasis id="B90FEA96FFECFFB584E416C46D8484F2" bold="true" box="[151,397,1196,1222]" italics="true" pageId="40" pageNumber="41">Pillsburiaster calvus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23C57EDFFECFFB585E616C36DDE84F1" box="[405,471,1195,1221]" pageId="40" pageNumber="41" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BC43684FFECFFB584E416A66D5D84D2" blockId="40.[151,471,1195,1254]" box="[151,340,1230,1254]" pageId="40" pageNumber="41">
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(
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<figureCitation id="13402A01FFECFFB584ED16A66D1C84D2" box="[158,277,1230,1254]" captionStart="FIGURE 17" captionStartId="41.[151,250,1329,1352]" captionTargetBox="[151,1431,181,1305]" captionTargetId="figure@41.[151,1436,181,1308]" captionTargetPageId="41" captionText="FIGURE 17. Pillsburiaster calvus n. sp. Holotype. USNM 1149357. A. Abactinal surface. B. (inset) Closeup of abactinal surface. C. Abactinal surface of armtip. D. Lateral side showing marginal plates. E. Actinal surface. Scale Bar = 0.5 cm." httpUri="https://zenodo.org/record/276800/files/figure.png" pageId="40" pageNumber="41">Figures 17</figureCitation>
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A–E)
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</paragraph>
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</subSubSection>
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<subSubSection id="C361650FFFECFFB584E4177E6F8B85AE" pageId="40" pageNumber="41" type="diagnosis">
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<paragraph id="8BC43684FFECFFB584E4177E6F8B85AE" blockId="40.[151,1437,1302,2010]" pageId="40" pageNumber="41">
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<emphasis id="B90FEA96FFECFFB584E4177E6D18851B" bold="true" box="[151,273,1302,1327]" pageId="40" pageNumber="41">Diagnosis.</emphasis>
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Carinal series clearly distinguished, strongly convex, each plate with a periphery of ~20 coarse, sphaerical granules with 8–12 granules covering the plate surface (20–30 total on each plate surface). Superomarginal plates elongate with a strongly convex, round area free from granules, occupying 50–50% of each supeormarginal plate surface. Furrow spines 2–3. Body weakly stellate (R/r=1.74).
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</paragraph>
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</subSubSection>
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<subSubSection id="C361650FFFECFFB584B417CF6E2785D6" pageId="40" pageNumber="41" type="etymology">
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<paragraph id="8BC43684FFECFFB584B417CF6E2785D6" blockId="40.[151,1437,1302,2010]" pageId="40" pageNumber="41">
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<emphasis id="B90FEA96FFECFFB584B417CF6D47858B" bold="true" box="[199,334,1447,1471]" pageId="40" pageNumber="41">Etymology.</emphasis>
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The species epithet “
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<taxonomicName id="4C7B4D07FFECFFB5864817CE6E8F858A" box="[571,646,1446,1470]" class="Asteroidea" family="Goniasteridae" genus="Pillsburiaster" kingdom="Animalia" order="Valvatida" pageId="40" pageNumber="41" phylum="Echinodermata" rank="species" species="calvus">calvus</taxonomicName>
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” refers to the Latin for “bald” which refers to the prominent bald spots on the superomarginal plate surface.
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</paragraph>
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</subSubSection>
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<subSubSection id="C361650FFFECFFB584B417866FA58632" box="[199,940,1518,1543]" pageId="40" pageNumber="41" type="distribution">
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<paragraph id="8BC43684FFECFFB584B417866FA58632" blockId="40.[151,1437,1302,2010]" box="[199,940,1518,1543]" pageId="40" pageNumber="41">
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<emphasis id="B90FEA96FFECFFB584B417866D698633" bold="true" box="[199,352,1518,1543]" pageId="40" pageNumber="41">Distribution.</emphasis>
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Burdwood Bank in the
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<taxonomicName id="4C7B4D07FFECFFB5861F17866EE88632" authority="Sea" authorityName="Sea" box="[620,737,1518,1542]" genus="Scotia" kingdom="Animalia" pageId="40" pageNumber="41" phylum="Nemertea" rank="genus">
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<collectingCountry id="F36C7614FFECFFB5861F17866EBB8632" box="[620,690,1518,1542]" name="United Kingdom" pageId="40" pageNumber="41">Scotia</collectingCountry>
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Sea
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</taxonomicName>
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from
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<quantity id="4C839B61FFECFFB5875517866FA18632" box="[806,936,1518,1542]" metricMagnitude="2" metricUnit="m" metricValue="3.4799999999999995" metricValueMax="3.5700000000000003" metricValueMin="3.3899999999999997" pageId="40" pageNumber="41" unit="m" value="348.0" valueMax="357.0" valueMin="339.0">
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339–
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<specimenCount id="9D7DFD0DFFECFFB5872D17866FA18632" box="[862,936,1518,1542]" pageId="40" pageNumber="41" type="generic">357 m</specimenCount>
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</quantity>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C361650FFFECFFB584B4147A6CED8646" pageId="40" pageNumber="41" type="materials_examined">
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<paragraph id="8BC43684FFECFFB584B4147A6CED8646" blockId="40.[151,1437,1302,2010]" pageId="40" pageNumber="41">
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<emphasis id="B90FEA96FFECFFB584B4147A6DB0861F" bold="true" box="[199,441,1554,1579]" pageId="40" pageNumber="41">Material examined.</emphasis>
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<typeStatus id="54C08826FFECFFB585B9147A6E68861E" box="[458,609,1554,1578]" pageId="40" pageNumber="41" type="holotype">
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<collectionCode id="ED6AAE41FFECFFB585B9147A6E68861E" box="[458,609,1554,1578]" pageId="40" pageNumber="41">HOLOTYPE</collectionCode>
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</typeStatus>
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.
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<collectionCode id="ED6AAE41FFECFFB58606147A6ECF861E" LSID="urn:lsid:biocol.org:col:34871" box="[629,710,1554,1578]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="40" pageNumber="41">USNM</collectionCode>
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1149357. Burdwood Bank.
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<geoCoordinate id="EE4F5043FFECFFB58054147A688F861E" box="[1063,1158,1554,1578]" direction="south" orientation="latitude" pageId="40" pageNumber="41" precision="925" value="-54.716667">54°43’S</geoCoordinate>
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||
;
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||
<geoCoordinate id="EE4F5043FFECFFB580E8147A690B861E" box="[1179,1282,1554,1578]" direction="west" orientation="longitude" pageId="40" pageNumber="41" precision="925" value="-56.616665">56°37’W</geoCoordinate>
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||
to
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<geoCoordinate id="EE4F5043FFECFFB5814B147A699E861E" box="[1336,1431,1554,1578]" direction="south" orientation="latitude" pageId="40" pageNumber="41" precision="925" value="-54.7">54°42’S</geoCoordinate>
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;
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<geoCoordinate id="EE4F5043FFECFFB584E4145E6CF6867A" box="[151,255,1590,1614]" direction="west" orientation="longitude" pageId="40" pageNumber="41" precision="925" value="-56.6">56°36’W</geoCoordinate>
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.
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<quantity id="4C839B61FFECFFB5857E145E6D9B867A" box="[269,402,1590,1614]" metricMagnitude="2" metricUnit="m" metricValue="3.4799999999999995" metricValueMax="3.5700000000000003" metricValueMin="3.3899999999999997" pageId="40" pageNumber="41" unit="m" value="348.0" valueMax="357.0" valueMin="339.0">
|
||
339–
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||
<specimenCount id="9D7DFD0DFFECFFB58536145E6D9B867A" box="[325,402,1590,1614]" pageId="40" pageNumber="41" type="generic">357 m</specimenCount>
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||
</quantity>
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||
. Coll. R/V
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<emphasis id="B90FEA96FFECFFB58669145E6E64867A" box="[538,621,1590,1614]" italics="true" pageId="40" pageNumber="41">Eltanin</emphasis>
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||
, University of Southern California,
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<date id="FFC51044FFECFFB58062145E68C3867A" box="[1041,1226,1590,1614]" pageId="40" pageNumber="41" value="1966-03-14">14 March 1966</date>
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.(1 dry spec., R=4, r=2.3).
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</paragraph>
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</subSubSection>
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<subSubSection id="C361650FFFECFFB784B414166D5C8208" lastPageId="42" lastPageNumber="43" pageId="40" pageNumber="41" type="description">
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<paragraph id="8BC43684FFECFFB584B41416698F86A2" blockId="40.[151,1437,1302,2010]" box="[199,1414,1662,1687]" pageId="40" pageNumber="41">
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<emphasis id="B90FEA96FFECFFB584B414166D5086A3" bold="true" box="[199,345,1662,1687]" pageId="40" pageNumber="41">Description.</emphasis>
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Body form stellate-pentagonal (R/r=1.74). Interadial arcs concave. Arms triangular (
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<figureCitation id="13402A01FFECFFB581621416696B86A2" box="[1297,1378,1662,1686]" captionStart="FIGURE 17" captionStartId="41.[151,250,1329,1352]" captionTargetBox="[151,1431,181,1305]" captionTargetId="figure@41.[151,1436,181,1308]" captionTargetPageId="41" captionText="FIGURE 17. Pillsburiaster calvus n. sp. Holotype. USNM 1149357. A. Abactinal surface. B. (inset) Closeup of abactinal surface. C. Abactinal surface of armtip. D. Lateral side showing marginal plates. E. Actinal surface. Scale Bar = 0.5 cm." httpUri="https://zenodo.org/record/276800/files/figure.png" pageId="40" pageNumber="41">Fig. 17</figureCitation>
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A).
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</paragraph>
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<paragraph id="8BC43684FFECFFB584B414CA6CC487EE" blockId="40.[151,1437,1302,2010]" pageId="40" pageNumber="41">
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Abactinal plates rounded to irregular in outline, larger proximally becoming smaller and more irregular closer to contact with superomarginal plate series. Plates flattened with fasciolar grooves absent. Carinal plate series relatively nondescript relative to other abactinal plates, and are covered with granules proximally, except at distalmost regions on arms. At approximately nine to 10 carinals away from the terminus, these plates become bare and strongly convex, irregularly round in outline. All other abactinal plates covered by granules,
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<quantity id="4C839B61FFECFFB580A3155A693F877E" box="[1232,1334,1842,1866]" metricMagnitude="-1" metricUnit="m" metricValue="7.62" metricValueMax="11.43" metricValueMin="3.81" pageId="40" pageNumber="41" unit="in" value="30.0" valueMax="45.0" valueMin="15.0">15–45 in</quantity>
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number, rounded to weakly pointed (
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<figureCitation id="13402A01FFECFFB585A6153E6E21875A" box="[469,552,1878,1902]" captionStart="FIGURE 17" captionStartId="41.[151,250,1329,1352]" captionTargetBox="[151,1431,181,1305]" captionTargetId="figure@41.[151,1436,181,1308]" captionTargetPageId="41" captionText="FIGURE 17. Pillsburiaster calvus n. sp. Holotype. USNM 1149357. A. Abactinal surface. B. (inset) Closeup of abactinal surface. C. Abactinal surface of armtip. D. Lateral side showing marginal plates. E. Actinal surface. Scale Bar = 0.5 cm." httpUri="https://zenodo.org/record/276800/files/figure.png" pageId="40" pageNumber="41">Fig. 17</figureCitation>
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B). Granules crowded but evenly spaced and are largest centrally with smaller granules forming periphery. Boundary between central and peripheral granules weakly defined. Papulae present in radial regions where they surround abactinal plates, six to a plate. Papulae absent interradially and centrally on disk.
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</paragraph>
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<caption id="DF04660CFFEDFFB484E4175969218552" httpUri="https://zenodo.org/record/276800/files/figure.png" pageId="41" pageNumber="42" targetBox="[151,1431,181,1305]" targetPageId="41">
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||
<paragraph id="8BC43684FFEDFFB484E4175969218552" blockId="41.[151,1436,1329,1383]" pageId="41" pageNumber="42">
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||
<emphasis id="B90FEA96FFEDFFB484E417596D168573" bold="true" box="[151,287,1329,1352]" pageId="41" pageNumber="42">FIGURE 17.</emphasis>
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<taxonomicName id="4C7B4D07FFEDFFB4855617596DF18573" box="[293,504,1329,1351]" class="Asteroidea" family="Goniasteridae" genus="Pillsburiaster" kingdom="Animalia" order="Valvatida" pageId="41" pageNumber="42" phylum="Echinodermata" rank="species" species="calvus" status="sp. nov.">
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<emphasis id="B90FEA96FFEDFFB4855617596DF18573" box="[293,504,1329,1351]" italics="true" pageId="41" pageNumber="42">Pillsburiaster calvus</emphasis>
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</taxonomicName>
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||
<emphasis id="B90FEA96FFEDFFB4858D175A6E318573" bold="true" box="[510,568,1330,1351]" pageId="41" pageNumber="42">
|
||
<taxonomicNameLabel id="A23C57EDFFEDFFB4858D175A6E318573" box="[510,568,1330,1351]" pageId="41" pageNumber="42" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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Holotype. USNM 1149357.
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<emphasis id="B90FEA96FFEDFFB4872F175A6F7C8573" bold="true" box="[860,885,1330,1351]" pageId="41" pageNumber="42">A.</emphasis>
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Abactinal surface.
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<emphasis id="B90FEA96FFEDFFB48049175A68588573" bold="true" box="[1082,1105,1330,1351]" pageId="41" pageNumber="42">B.</emphasis>
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(inset) Closeup of abactinal surface.
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<emphasis id="B90FEA96FFEDFFB484BE17386CEF8553" bold="true" box="[205,230,1360,1383]" pageId="41" pageNumber="42">C.</emphasis>
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Abactinal surface of armtip.
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<emphasis id="B90FEA96FFEDFFB4867C17396E2E8552" bold="true" box="[527,551,1361,1382]" pageId="41" pageNumber="42">D.</emphasis>
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Lateral side showing marginal plates.
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<emphasis id="B90FEA96FFEDFFB487DD17396FCF8552" bold="true" box="[942,966,1361,1382]" pageId="41" pageNumber="42">E.</emphasis>
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Actinal surface.Scale Bar=0.5 cm.
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||
</paragraph>
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||
</caption>
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||
<paragraph id="8BC43684FFEDFFB484B417FB68CF8703" blockId="41.[151,1437,1427,2027]" pageId="41" pageNumber="42">
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Marginal plates
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<quantity id="4C839B61FFEDFFB485F217FB6DB5859F" box="[385,444,1427,1451]" metricMagnitude="-1" metricUnit="m" metricValue="7.112" pageId="41" pageNumber="42" unit="in" value="28.0">28 in</quantity>
|
||
each interradius (armtip to armtip), elongate in shape (
|
||
<figureCitation id="13402A01FFEDFFB4804B17FB6882859F" box="[1080,1163,1427,1451]" captionStart="FIGURE 17" captionStartId="41.[151,250,1329,1352]" captionTargetBox="[151,1431,181,1305]" captionTargetId="figure@41.[151,1436,181,1308]" captionTargetPageId="41" captionText="FIGURE 17. Pillsburiaster calvus n. sp. Holotype. USNM 1149357. A. Abactinal surface. B. (inset) Closeup of abactinal surface. C. Abactinal surface of armtip. D. Lateral side showing marginal plates. E. Actinal surface. Scale Bar = 0.5 cm." httpUri="https://zenodo.org/record/276800/files/figure.png" pageId="41" pageNumber="42">Fig. 17</figureCitation>
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A). Superomarginal and inferomarginal plates with 1:1 correspondance, each series forming distinct abactinal or actinal facing border (
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<figureCitation id="13402A01FFEDFFB4811C17DF6CBD85C7" captionStart="FIGURE 17" captionStartId="41.[151,250,1329,1352]" captionTargetBox="[151,1431,181,1305]" captionTargetId="figure@41.[151,1436,181,1308]" captionTargetPageId="41" captionText="FIGURE 17. Pillsburiaster calvus n. sp. Holotype. USNM 1149357. A. Abactinal surface. B. (inset) Closeup of abactinal surface. C. Abactinal surface of armtip. D. Lateral side showing marginal plates. E. Actinal surface. Scale Bar = 0.5 cm." httpUri="https://zenodo.org/record/276800/files/figure.png" pageId="41" pageNumber="42">Fig. 17</figureCitation>
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D). Superomarginal plate surface, each with large bare, oblong smooth, swollen convexity adjacent to disk (
|
||
<figureCitation id="13402A01FFEDFFB4811D17B36CBA8623" captionStart="FIGURE 17" captionStartId="41.[151,250,1329,1352]" captionTargetBox="[151,1431,181,1305]" captionTargetId="figure@41.[151,1436,181,1308]" captionTargetPageId="41" captionText="FIGURE 17. Pillsburiaster calvus n. sp. Holotype. USNM 1149357. A. Abactinal surface. B. (inset) Closeup of abactinal surface. C. Abactinal surface of armtip. D. Lateral side showing marginal plates. E. Actinal surface. Scale Bar = 0.5 cm." httpUri="https://zenodo.org/record/276800/files/figure.png" pageId="41" pageNumber="42">Fig. 17</figureCitation>
|
||
C, E). This convexity occupies up to 50–90% of the superomarginal plate surface and is surrounded by 20–40 round, spherical to pointed granules similar in appearance to those on the disk (
|
||
<figureCitation id="13402A01FFEDFFB48055144B6870860F" box="[1062,1145,1571,1595]" captionStart="FIGURE 17" captionStartId="41.[151,250,1329,1352]" captionTargetBox="[151,1431,181,1305]" captionTargetId="figure@41.[151,1436,181,1308]" captionTargetPageId="41" captionText="FIGURE 17. Pillsburiaster calvus n. sp. Holotype. USNM 1149357. A. Abactinal surface. B. (inset) Closeup of abactinal surface. C. Abactinal surface of armtip. D. Lateral side showing marginal plates. E. Actinal surface. Scale Bar = 0.5 cm." httpUri="https://zenodo.org/record/276800/files/figure.png" pageId="41" pageNumber="42">Fig. 17</figureCitation>
|
||
D). These convexities are increasingly absent of granules as they are closer to the armtips (
|
||
<figureCitation id="13402A01FFEDFFB4871C142F6FC9866B" box="[879,960,1607,1631]" captionStart="FIGURE 17" captionStartId="41.[151,250,1329,1352]" captionTargetBox="[151,1431,181,1305]" captionTargetId="figure@41.[151,1436,181,1308]" captionTargetPageId="41" captionText="FIGURE 17. Pillsburiaster calvus n. sp. Holotype. USNM 1149357. A. Abactinal surface. B. (inset) Closeup of abactinal surface. C. Abactinal surface of armtip. D. Lateral side showing marginal plates. E. Actinal surface. Scale Bar = 0.5 cm." httpUri="https://zenodo.org/record/276800/files/figure.png" pageId="41" pageNumber="42">Fig. 17</figureCitation>
|
||
C). Two distalmost superomarginals are in direct contact abutting over the midline on one arm but not on the others (
|
||
<figureCitation id="13402A01FFEDFFB487821403684D86B7" box="[1009,1092,1643,1667]" captionStart="FIGURE 17" captionStartId="41.[151,250,1329,1352]" captionTargetBox="[151,1431,181,1305]" captionTargetId="figure@41.[151,1436,181,1308]" captionTargetPageId="41" captionText="FIGURE 17. Pillsburiaster calvus n. sp. Holotype. USNM 1149357. A. Abactinal surface. B. (inset) Closeup of abactinal surface. C. Abactinal surface of armtip. D. Lateral side showing marginal plates. E. Actinal surface. Scale Bar = 0.5 cm." httpUri="https://zenodo.org/record/276800/files/figure.png" pageId="41" pageNumber="42">Fig. 17</figureCitation>
|
||
C). Granules, round, spherical occurring on surface of superomarginal adjacent to inferomarginal series becoming confluent with granules on lateral side of inferomarginal plates. These granules similar to those on disk, widely and evenly spaced but slightly larger. Inferomarginals with similar but smaller bare convex bare spot on plate surface facing ventrally (
|
||
<figureCitation id="13402A01FFEDFFB4815914BF697586DB" box="[1322,1404,1751,1775]" captionStart="FIGURE 17" captionStartId="41.[151,250,1329,1352]" captionTargetBox="[151,1431,181,1305]" captionTargetId="figure@41.[151,1436,181,1308]" captionTargetPageId="41" captionText="FIGURE 17. Pillsburiaster calvus n. sp. Holotype. USNM 1149357. A. Abactinal surface. B. (inset) Closeup of abactinal surface. C. Abactinal surface of armtip. D. Lateral side showing marginal plates. E. Actinal surface. Scale Bar = 0.5 cm." httpUri="https://zenodo.org/record/276800/files/figure.png" pageId="41" pageNumber="42">Fig. 17</figureCitation>
|
||
E). This bare spot relatively small interradially becoming larger and occupying more of the inferomarginal plate surface distally. Greater amount of inferomarginal surface covered by granules (
|
||
<quantity id="4C839B61FFEDFFB48787157768508703" box="[1012,1113,1823,1847]" metricMagnitude="-1" metricUnit="m" metricValue="6.35" metricValueMax="7.62" metricValueMin="5.08" pageId="41" pageNumber="42" unit="in" value="25.0" valueMax="30.0" valueMin="20.0">20–30 in</quantity>
|
||
number).
|
||
</paragraph>
|
||
<paragraph id="8BC43684FFEDFFB784B4152B6FB68150" blockId="41.[151,1437,1427,2027]" lastBlockId="42.[151,1437,151,572]" lastPageId="42" lastPageNumber="43" pageId="41" pageNumber="42">
|
||
Actinal surface with quadrate-shaped actinal plates forming approximately six chevrons (
|
||
<figureCitation id="13402A01FFEDFFB480B9152B6917876F" box="[1226,1310,1859,1883]" captionStart="FIGURE 17" captionStartId="41.[151,250,1329,1352]" captionTargetBox="[151,1431,181,1305]" captionTargetId="figure@41.[151,1436,181,1308]" captionTargetPageId="41" captionText="FIGURE 17. Pillsburiaster calvus n. sp. Holotype. USNM 1149357. A. Abactinal surface. B. (inset) Closeup of abactinal surface. C. Abactinal surface of armtip. D. Lateral side showing marginal plates. E. Actinal surface. Scale Bar = 0.5 cm." httpUri="https://zenodo.org/record/276800/files/figure.png" pageId="41" pageNumber="42">Fig. 17</figureCitation>
|
||
E). Largest and most complete chevron adjacent to adambulacral plate series extending to near arm base. Actinal plates quadrate but becoming more irregular adjacent to inferomarginal plate series. Each plate covered with spherical granules,
|
||
<quantity id="4C839B61FFEDFFB484A515C76D2487F3" box="[214,301,1967,1991]" metricMagnitude="-1" metricUnit="m" metricValue="2.54" metricValueMax="2.794" metricValueMin="2.286" pageId="41" pageNumber="42" unit="in" value="10.0" valueMax="11.0" valueMin="9.0">9–11 in</quantity>
|
||
number, evenly and widely spaced on each plate but becoming more densely packed adjacent to inferomarginal series. Furrow spines, 2–3 per adambulacral plate, slender, but quadrate in cross-section. Third spine is typically the smallest and directed proximally relative to the mouth. Subambulacral spines, two, blunt, conical, separated from the furrow spines by a discrete bare space. Behind the subambulacral spines are two to four conical to blunt granules which are intermediate with the rounded granules present on the actinal plate region. Oral plates with spines, four to five, triangular to quadrate in cross-section. One spine, each triangular in cross-section, from each plate projects into the mouth (one pair per interradius). Oral plate surface bare, covered by tissue bearing four to five spines, each with triangular-rounded spines in cross-section.
|
||
</paragraph>
|
||
<paragraph id="8BC43684FFEEFFB784B413186E3981B3" blockId="42.[151,1437,151,572]" box="[199,560,367,391]" pageId="42" pageNumber="43">No pedicellariae were observed.</paragraph>
|
||
<paragraph id="8BC43684FFEEFFB784B413FB6D5C8208" blockId="42.[151,1437,151,572]" pageId="42" pageNumber="43">
|
||
<emphasis id="B90FEA96FFEEFFB784B413FB6E248198" bold="true" box="[199,557,403,428]" pageId="42" pageNumber="43">Comparisons with other taxa.</emphasis>
|
||
<taxonomicName id="4C7B4D07FFEEFFB7864613FC6F298198" box="[565,800,404,428]" class="Asteroidea" family="Goniasteridae" genus="Pillsburiaster" kingdom="Animalia" order="Valvatida" pageId="42" pageNumber="43" phylum="Echinodermata" rank="species" species="calvus" status="sp. nov.">
|
||
<emphasis id="B90FEA96FFEEFFB7864613FC6F298198" box="[565,800,404,428]" italics="true" pageId="42" pageNumber="43">Pillsburiaster calvus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B90FEA96FFEEFFB7875B13FC6F6E8198" bold="true" box="[808,871,404,428]" pageId="42" pageNumber="43">
|
||
<taxonomicNameLabel id="A23C57EDFFEEFFB7875B13FC6F6E8198" box="[808,871,404,428]" pageId="42" pageNumber="43" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is the first known
|
||
<taxonomicName id="4C7B4D07FFEEFFB7804C13FC68D08198" box="[1087,1241,404,428]" class="Asteroidea" family="Goniasteridae" genus="Pillsburiaster" kingdom="Animalia" order="Valvatida" pageId="42" pageNumber="43" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="B90FEA96FFEEFFB7804C13FC68D08198" box="[1087,1241,404,428]" italics="true" pageId="42" pageNumber="43">Pillsburiaster</emphasis>
|
||
</taxonomicName>
|
||
species from the
|
||
<collectingCountry id="F36C7614FFEEFFB784E413DF6CF681FB" box="[151,255,439,463]" name="Antarctica" pageId="42" pageNumber="43">Antarctic</collectingCountry>
|
||
Peninsular region and the first from the South Atlantic. This species differs from other known species of subantarctic
|
||
<taxonomicName id="4C7B4D07FFEEFFB7855413B46DC881C0" box="[295,449,476,500]" class="Asteroidea" family="Goniasteridae" genus="Pillsburiaster" kingdom="Animalia" order="Valvatida" pageId="42" pageNumber="43" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="B90FEA96FFEEFFB7855413B46DC881C0" box="[295,449,476,500]" italics="true" pageId="42" pageNumber="43">Pillsburiaster</emphasis>
|
||
</taxonomicName>
|
||
in that it has three furrow spines rather then 5 or 6 as are present in the
|
||
<collectingCountry id="F36C7614FFEEFFB7817713B5699281C0" box="[1284,1435,476,500]" name="New Zealand" pageId="42" pageNumber="43">New Zealand</collectingCountry>
|
||
<taxonomicName id="4C7B4D07FFEEFFB784E410686D96822C" box="[151,415,512,536]" class="Asteroidea" family="Goniasteridae" genus="Pillsburiaster" kingdom="Animalia" order="Valvatida" pageId="42" pageNumber="43" phylum="Echinodermata" rank="species" species="aoteanus">
|
||
<emphasis id="B90FEA96FFEEFFB784E410686D96822C" box="[151,415,512,536]" italics="true" pageId="42" pageNumber="43">Pillsburiaster aoteanus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C7B4D07FFEEFFB785A910696E53822C" box="[474,602,512,536]" class="Asteroidea" family="Goniasteridae" genus="Pillsburiaster" kingdom="Animalia" order="Valvatida" pageId="42" pageNumber="43" phylum="Echinodermata" rank="species" species="indutilus">
|
||
<emphasis id="B90FEA96FFEEFFB785A910696E53822C" box="[474,602,512,536]" italics="true" pageId="42" pageNumber="43">P. indutilus</emphasis>
|
||
</taxonomicName>
|
||
and the five to seven furrow spines present in
|
||
<taxonomicName id="4C7B4D07FFEEFFB7800810696939822C" box="[1147,1328,512,536]" class="Asteroidea" family="Goniasteridae" genus="Pillsburiaster" kingdom="Animalia" order="Valvatida" pageId="42" pageNumber="43" phylum="Echinodermata" rank="species" species="geographicus">
|
||
<emphasis id="B90FEA96FFEEFFB7800810696939822C" box="[1147,1328,512,536]" italics="true" pageId="42" pageNumber="43">P. geographicus</emphasis>
|
||
</taxonomicName>
|
||
from the tropical Atlantic.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |