210 lines
24 KiB
XML
210 lines
24 KiB
XML
<document id="C16BF41C004C3D9F380CEB08157EE46C" ID-CLB-Dataset="27715" ID-DOI="10.11646/zootaxa.4541.1.1" ID-GBIF-Dataset="9c3fecf1-4e11-4c79-a908-e0a5abbaf3ca" ID-ISSN="1175-5326" ID-Zenodo-Dep="2617460" ID-ZooBank="B11E734C-218B-418C-84E6-719AB3C58AFF" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1553927824231" checkinUser="plazi" docAuthor="Arachchige, Gayashan M., Jayakody, Sevvandi, Mooi, Rich & Kroh, Andreas" docDate="2019" docId="038087B4FF818958FF02FDD372F699BD" docLanguage="en" docName="zootaxa.4541.1.1.pdf" docOrigin="Zootaxa 4541 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Jacksonaster Lambert in Lambert & Thiery 1914" docType="treatment" docVersion="8" lastPageNumber="45" masterDocId="FFB9FFCCFFAA8975FF95FFB47314996C" masterDocTitle="Taxonomy and distribution of irregular echinoids (Echinoidea: Irregularia) from Sri Lanka" masterLastPageNumber="100" masterPageNumber="1" pageNumber="44" updateTime="1698715306146" updateUser="ExternalLinkService">
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<mods:mods id="5E0E0A811E954DA0646953B502507074" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="25B2C6F634B788FD1AD20788A2A70D3E">
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<mods:title id="CC43EA366623A78024946E53932CEC0F">Taxonomy and distribution of irregular echinoids (Echinoidea: Irregularia) from Sri Lanka</mods:title>
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</mods:titleInfo>
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<mods:name id="A3BDF1469F001AEB774E4F9AE30E2A91" type="personal">
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<mods:roleTerm id="845485A6E6A5E57C658654B40B310FDC">Author</mods:roleTerm>
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<mods:namePart id="661D7F22004430EAA1186BBC9A9F8991">Arachchige, Gayashan M.</mods:namePart>
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<mods:roleTerm id="C906BB8D7EA45EF189BCC2BF2A4BD68F">Author</mods:roleTerm>
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<mods:namePart id="33393F62D57EF57F649C9FC62D642A7F">Jayakody, Sevvandi</mods:namePart>
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</mods:name>
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<mods:roleTerm id="116578A2923EC0E7BD022A52D162B669">Author</mods:roleTerm>
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<mods:namePart id="4FA556CA390544FAC9F947512CCBB53A">Mooi, Rich</mods:namePart>
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</mods:name>
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<mods:name id="098211F09862AAF6F7B92E6E5CE01C95" type="personal">
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<mods:roleTerm id="CFEA288AA48ED8C8AE5C37AEA9FF3248">Author</mods:roleTerm>
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<mods:namePart id="DFB22CD1D7FFAF971C87914D8E8C725C">Kroh, Andreas</mods:namePart>
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<mods:typeOfResource id="7D7F23B7D08C376F9049E80FD81CABA8">text</mods:typeOfResource>
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<mods:title id="43981FEF8E40B5421C676E3A831E3D0A">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="6F0C68C97DB586E0353F0E4D0B396A79">
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<mods:date id="82A2625850C49CA8AA438930DBBED18C">2019</mods:date>
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<mods:number id="68239A032006F5CB6FCB48AAD10F4444">2019-01-03</mods:number>
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<mods:detail id="250B93A80C7FE76A71BDFD91D03B80E2" type="volume">
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<mods:number id="DECBD884CF079C525650E62B43238F4C">4541</mods:number>
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<mods:classification id="1433ECCD0E78EE574B04B4D418ECE691">journal article</mods:classification>
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<mods:identifier id="5DBB1EAF6A789967882F3A7277A9758A" type="CLB-Dataset">27715</mods:identifier>
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<mods:identifier id="F2C75D2EE3160CE93F076E88B075834B" type="DOI">10.11646/zootaxa.4541.1.1</mods:identifier>
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<mods:identifier id="A02967AC8B32452F8F35B8A8AAA13CD3" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="F0C4688F03CF4093AF61A5C1E69C28D8" type="Zenodo-Dep">2617460</mods:identifier>
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<treatment id="038087B4FF818958FF02FDD372F699BD" ID-DOI="http://doi.org/10.5281/zenodo.5935448" ID-GBIF-Taxon="154529665" ID-Zenodo-Dep="5935448" LSID="urn:lsid:plazi:treatment:038087B4FF818958FF02FDD372F699BD" httpUri="http://treatment.plazi.org/id/038087B4FF818958FF02FDD372F699BD" lastPageId="45" lastPageNumber="45" pageId="43" pageNumber="44">
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<subSubSection id="C3336529FF81895EFF02FDD372619BEE" box="[151,373,615,642]" pageId="43" pageNumber="44" type="nomenclature">
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<paragraph id="8B9636A2FF81895EFF02FDD372619BEE" blockId="43.[151,374,615,675]" box="[151,373,615,642]" pageId="43" pageNumber="44">
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<heading id="D0DE81CEFF81895EFF02FDD372619BEE" bold="true" box="[151,373,615,642]" fontSize="11" level="1" pageId="43" pageNumber="44" reason="1">
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<emphasis id="B95DEAB0FF81895EFF02FDD372619BEE" bold="true" box="[151,373,615,642]" pageId="43" pageNumber="44">
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<taxonomicName id="4C294D21FF81895EFF02FDD372219BED" authorityName="Lambert in Lambert & Thiery" authorityYear="1914" box="[151,309,615,641]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="43" pageNumber="44" phylum="Echinodermata" rank="genus">
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<emphasis id="B95DEAB0FF81895EFF02FDD372219BED" bold="true" box="[151,309,615,641]" italics="true" pageId="43" pageNumber="44">Jacksonaster</emphasis>
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</taxonomicName>
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sp. 1
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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="C3336529FF81895EFF02FD3E72629BCF" box="[151,374,650,675]" pageId="43" pageNumber="44" type="description">
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<paragraph id="8B9636A2FF81895EFF02FD3E72629BCF" blockId="43.[151,374,615,675]" box="[151,374,650,675]" pageId="43" pageNumber="44">
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<figureCitation id="13122A27FF81895EFF02FD3E722E9BCF" box="[151,314,650,675]" captionStart-0="FIGURE 36" captionStart-1="FIGURE 37" captionStart-2="FIGURE 38" captionStartId-0="43.[151,250,1984,2006]" captionStartId-1="44.[151,250,1077,1099]" captionStartId-2="45.[151,250,1944,1966]" captionTargetBox-0="[151,1436,980,1963]" captionTargetBox-1="[151,1436,210,1011]" captionTargetBox-2="[171,1426,285,1908]" captionTargetId-0="figure@43.[151,1436,980,1963]" captionTargetId-1="figure@44.[151,1436,210,1011]" captionTargetId-2="figure@45.[151,1436,259,1922]" captionTargetPageId-0="43" captionTargetPageId-1="44" captionTargetPageId-2="45" captionText-0="FIGURE 36. Jacksonaster sp. 1 (WUSL/EI/23): A, aboral view; B, oral view; C, lateral view." captionText-1="FIGURE 37. Jacksonaster sp. 1 (WUSL/EI/26), oral and aboral tuberculation: A, aboral side; B, oral side." captionText-2="FIGURE 38. Distribution map of Jacksonaster sp. 1 recorded in this study." httpUri-0="https://zenodo.org/record/2617529/files/figure.png" httpUri-1="https://zenodo.org/record/2617531/files/figure.png" httpUri-2="https://zenodo.org/record/2617533/files/figure.png" pageId="43" pageNumber="44">Figures 36–38</figureCitation>
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,
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<figureCitation id="13122A27FF81895EFED3FD3F72629BCF" box="[326,374,651,675]" captionStart="FIGURE 40" captionStartId="47.[151,250,1098,1120]" captionTargetBox="[151,1436,193,1077]" captionTargetId="figure@47.[151,1436,193,1077]" captionTargetPageId="47" captionText="FIGURE 40. Comparison of apical system and petaloid area of Jacksonaster sp. 1 (A, WUSL/EI/26) and Jacksonaster sp. 2 (B, WUSL/EI/29)." httpUri="https://zenodo.org/record/2617537/files/figure.png" pageId="43" pageNumber="44">40A</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3336529FF81895EFF02FD6670479A63" pageId="43" pageNumber="44" type="materials_examined">
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<paragraph id="8B9636A2FF81895EFF02FD6670479A63" blockId="43.[151,1437,722,927]" pageId="43" pageNumber="44">
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<emphasis id="B95DEAB0FF81895EFF02FD6672739B87" bold="true" box="[151,359,722,747]" pageId="43" pageNumber="44">Material studied.</emphasis>
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Seven denuded tests: WUSL/EI/23, EI/26, EI/27, EI/140, EI/141, and EI/142 from Thennadi Bay, and WUSL/EI/27 from Chaddy Beach, Jaffna,
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<collectingCountry id="F33E7632FF81895EFD48FD42705B9A63" box="[733,847,758,783]" name="Sri Lanka" pageId="43" pageNumber="44">Sri Lanka</collectingCountry>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C3336529FF818959FF52FCAE76699E25" lastPageId="44" lastPageNumber="45" pageId="43" pageNumber="44" type="description">
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<paragraph id="8B9636A2FF81895EFF52FCAE710E9AF3" blockId="43.[151,1437,722,927]" pageId="43" pageNumber="44">
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<emphasis id="B95DEAB0FF81895EFF52FCAE724D9A5F" bold="true" box="[199,345,794,819]" pageId="43" pageNumber="44">Description.</emphasis>
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<emphasis id="B95DEAB0FF81895EFEF4FCAE71189A5F" box="[353,524,794,819]" italics="true" pageId="43" pageNumber="44">Shape and size</emphasis>
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—Test pentagonal, posterior end gently indented; medium-sized, 30.0–
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<quantity id="4CD19B47FF81895EFAA3FCAF76899A5E" box="[1334,1437,795,819]" metricMagnitude="-2" metricUnit="m" metricValue="4.72" pageId="43" pageNumber="44" unit="mm" value="47.2">47.2 mm</quantity>
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TL, slightly longer than broad, width 88–93% TL, larger specimens more elongate than smaller specimens; greatest width at end of anterior paired petals; height 15–17% of TL; oral side flat; edge thin, 7–10% TL, posterior edge slightly thinner than anterior edge.
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</paragraph>
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<caption id="DF56662AFF81895EFF02F87477469EBA" box="[151,1106,1984,2006]" httpUri="https://zenodo.org/record/2617529/files/figure.png" pageId="43" pageNumber="44" startId="43.[151,250,1984,2006]" targetBox="[151,1436,980,1963]" targetPageId="43">
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<paragraph id="8B9636A2FF81895EFF02F87477469EBA" blockId="43.[151,1106,1984,2006]" box="[151,1106,1984,2006]" pageId="43" pageNumber="44">
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<emphasis id="B95DEAB0FF81895EFF02F874720B9EB9" bold="true" box="[151,287,1984,2006]" pageId="43" pageNumber="44">FIGURE 36.</emphasis>
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<taxonomicName id="4C294D21FF81895EFEB0F87472BD9EBA" authorityName="Lambert in Lambert & Thiery" authorityYear="1914" box="[293,425,1984,2006]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="43" pageNumber="44" phylum="Echinodermata" rank="genus">
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<emphasis id="B95DEAB0FF81895EFEB0F87472BD9EBA" box="[293,425,1984,2006]" italics="true" pageId="43" pageNumber="44">Jacksonaster</emphasis>
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</taxonomicName>
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sp. 1 (WUSL/EI/23): A, aboral view; B, oral view; C, lateral view.
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</paragraph>
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</caption>
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<caption id="DF56662AFF868959FF02FB8177C59D26" box="[151,1233,1076,1099]" httpUri="https://zenodo.org/record/2617531/files/figure.png" pageId="44" pageNumber="45" startId="44.[151,250,1077,1099]" targetBox="[151,1436,210,1011]" targetPageId="44">
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<paragraph id="8B9636A2FF868959FF02FB8177C59D26" blockId="44.[151,1233,1076,1099]" box="[151,1233,1076,1099]" pageId="44" pageNumber="45">
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<emphasis id="B95DEAB0FF868959FF02FB81720B9D26" bold="true" box="[151,287,1077,1099]" pageId="44" pageNumber="45">FIGURE 37.</emphasis>
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<taxonomicName id="4C294D21FF868959FEB0FB8072BD9D26" authorityName="Lambert in Lambert & Thiery" authorityYear="1914" box="[293,425,1076,1098]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="44" pageNumber="45" phylum="Echinodermata" rank="genus">
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<emphasis id="B95DEAB0FF868959FEB0FB8072BD9D26" box="[293,425,1076,1098]" italics="true" pageId="44" pageNumber="45">Jacksonaster</emphasis>
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</taxonomicName>
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sp. 1 (WUSL/EI/26), oral and aboral tuberculation: A, aboral side; B, oral side.
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</paragraph>
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</caption>
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<paragraph id="8B9636A2FF868959FF52FB2272FF9DBC" blockId="44.[151,1437,1174,2032]" pageId="44" pageNumber="45">
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<emphasis id="B95DEAB0FF868959FF52FB2272769DC2" box="[199,354,1174,1199]" italics="true" pageId="44" pageNumber="45">Apical system</emphasis>
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—Subcentral, approximately 52% TL from anterior margin of test; with five circular gonopores; hydropores in sinuous groove.
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</paragraph>
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<paragraph id="8B9636A2FF868959FF52FB6C77619CD4" blockId="44.[151,1437,1174,2032]" pageId="44" pageNumber="45">
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<emphasis id="B95DEAB0FF868959FF52FB6C72579D9D" box="[199,323,1240,1265]" italics="true" pageId="44" pageNumber="45">Ambulacra</emphasis>
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—Petaloid area large, 67–71% TL, slightly elevated; petals narrow, slightly open distally; pore series straight; pores elongate anisopores; outer pores of pore pairs greatly elongated transversely relative to inner pores; pores conjugate, but connecting furrows shallow; petal III slightly longer than others, approximately 35% TL (SD=2); anterior paired petals shortest, approximately 31% TL (SD=1); posterior paired petals slightly shorter than petal III, approximately 33% TL (SD=2); all petal widths similar, approximately 12% TL; width of poriferous zone IIIa 75–89% of interporiferous zone width at 2/3 of the petal length; food grooves simple, unbranched, lying along each oral perradius, up to 62–70% of corresponding test radius in ambulacrum III.
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</paragraph>
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<paragraph id="8B9636A2FF868959FF52FA7676039CB7" blockId="44.[151,1437,1174,2032]" box="[199,1303,1474,1499]" pageId="44" pageNumber="45">
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<emphasis id="B95DEAB0FF868959FF52FA7672639CB7" box="[199,375,1474,1499]" italics="true" pageId="44" pageNumber="45">Interambulacra</emphasis>
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—Oral interambulacra narrow, forming straight bands separating broad ambulacra.
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</paragraph>
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<paragraph id="8B9636A2FF868959FF02FA5773E39F0C" blockId="44.[151,1437,1174,2032]" pageId="44" pageNumber="45">
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<emphasis id="B95DEAB0FF868959FF02FA5772279C90" box="[151,307,1507,1532]" italics="true" pageId="44" pageNumber="45">Tuberculation</emphasis>
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—Primary tubercles small and densely distributed among numerous miliary tubercles on aboral side; on oral surface, primary tubercles larger and sparse relative to those on aboral surface; primary tubercles of oral interambulacra close to peristome slightly larger than those of oral ambulacra; smallest primary tubercles near food grooves.
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</paragraph>
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<paragraph id="8B9636A2FF868959FF52F9DE71A19FCE" blockId="44.[151,1437,1174,2032]" pageId="44" pageNumber="45">
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<emphasis id="B95DEAB0FF868959FF52F9DE722D9FED" box="[199,313,1642,1665]" italics="true" pageId="44" pageNumber="45">Peristome</emphasis>
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—Small, length 6–8% TL, rounded to pentagonal, width 5–8% TL; situated slightly anterior of centre, 45–48% TL from anterior margin of test.
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</paragraph>
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<paragraph id="8B9636A2FF868959FF52F91872B09F89" blockId="44.[151,1437,1174,2032]" pageId="44" pageNumber="45">
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<emphasis id="B95DEAB0FF868959FF52F91872259FAF" box="[199,305,1708,1731]" italics="true" pageId="44" pageNumber="45">Periproct</emphasis>
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—Small, length 5% TL, transversely elongate to rounded, width 6–7% TL; lying 11–12% TL from posterior margin of test.
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</paragraph>
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<paragraph id="8B9636A2FF868959FF52F95A76699E25" blockId="44.[151,1437,1174,2032]" pageId="44" pageNumber="45">
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<emphasis id="B95DEAB0FF868959FF52F95A71969E6B" bold="true" box="[199,642,1774,1799]" pageId="44" pageNumber="45">
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Observed occurrence in
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<materialsCitation id="3B413CFFFF868959FE69F95A71969E6B" ID-GBIF-Occurrence="2147524527" box="[508,642,1774,1799]" country="Sri Lanka" county="Mount Lavinia" elevation="30" location="Specimens" municipality="Thennadi Bay" pageId="44" pageNumber="45" specimenCount="1">
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<collectingCountry id="F33E7632FF868959FE69F95A71699E6B" box="[508,637,1774,1799]" name="Sri Lanka" pageId="44" pageNumber="45">Sri Lanka</collectingCountry>
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.
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</materialsCitation>
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</emphasis>
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<location id="8EF66079FF868959FD1AF95A701C9E6B" LSID="urn:lsid:plazi:treatment:038087B4FF818958FF02FDD372F699BD:8EF66079FF868959FD1AF95A701C9E6B" box="[655,776,1774,1799]" country="Sri Lanka" county="Mount Lavinia" municipality="Thennadi Bay" name="Specimens" pageId="44" pageNumber="45">Specimens</location>
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were collected on the beach at
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<location id="8EF66079FF868959FB06F95A76549E6B" LSID="urn:lsid:plazi:treatment:038087B4FF818958FF02FDD372F699BD:8EF66079FF868959FB06F95A76549E6B" box="[1171,1344,1774,1799]" country="Sri Lanka" county="Mount Lavinia" municipality="Thennadi Bay" name="Chaddy Beach" pageId="44" pageNumber="45">Chaddy Beach</location>
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,
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<location id="8EF66079FF868959FAC4F95A768C9E6B" LSID="urn:lsid:plazi:treatment:038087B4FF818958FF02FDD372F699BD:8EF66079FF868959FAC4F95A768C9E6B" box="[1361,1432,1774,1799]" country="Sri Lanka" county="Mount Lavinia" municipality="Thennadi Bay" name="Jaffna" pageId="44" pageNumber="45">Jaffna</location>
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, northern coast and
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<collectingMunicipality id="6BF2ACD8FF868959FEFBF8BB71199E44" box="[366,525,1807,1832]" pageId="44" pageNumber="45">Thennadi Bay</collectingMunicipality>
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, eastern coast of Sri Lanka. This species was also observed in
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<collectingCounty id="62F74E2EFF868959FB5AF8A476629E44" box="[1231,1398,1807,1832]" pageId="44" pageNumber="45">Mount Lavinia</collectingCounty>
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(at
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||
<elevation id="0004D191FF868959FF02F88573C59E25" box="[151,209,1841,1865]" metricMagnitude="1" metricUnit="m" metricValue="3.0" pageId="44" pageNumber="45" unit="m" value="30.0">
|
||
<quantity id="4CD19B47FF868959FF02F88573C59E25" box="[151,209,1841,1865]" metricMagnitude="1" metricUnit="m" metricValue="3.0" pageId="44" pageNumber="45" unit="m" value="30.0">30 m</quantity>
|
||
</elevation>
|
||
) and Negombo 1 (at
|
||
<elevation id="0004D191FF868959FE2BF88572EE9E25" box="[446,506,1841,1865]" metricMagnitude="1" metricUnit="m" metricValue="2.7" pageId="44" pageNumber="45" unit="m" value="27.0">
|
||
<quantity id="4CD19B47FF868959FE2BF88572EE9E25" box="[446,506,1841,1865]" metricMagnitude="1" metricUnit="m" metricValue="2.7" pageId="44" pageNumber="45" unit="m" value="27.0">27 m</quantity>
|
||
</elevation>
|
||
), western coast and at Mulathiv (at
|
||
<elevation id="0004D191FF868959FC1FF88570D29E25" box="[906,966,1841,1865]" metricMagnitude="1" metricUnit="m" metricValue="1.0" pageId="44" pageNumber="45" unit="m" value="10.0">
|
||
<quantity id="4CD19B47FF868959FC1FF88570D29E25" box="[906,966,1841,1865]" metricMagnitude="1" metricUnit="m" metricValue="1.0" pageId="44" pageNumber="45" unit="m" value="10.0">10 m</quantity>
|
||
</elevation>
|
||
), northern coast of Sri Lanka (
|
||
<figureCitation id="13122A27FF868959FA89F884767B9E25" box="[1308,1391,1840,1865]" captionStart="FIGURE 38" captionStartId="45.[151,250,1944,1966]" captionTargetBox="[171,1426,285,1908]" captionTargetId="figure@45.[151,1436,259,1922]" captionTargetPageId="45" captionText="FIGURE 38. Distribution map of Jacksonaster sp. 1 recorded in this study." httpUri="https://zenodo.org/record/2617533/files/figure.png" pageId="44" pageNumber="45">Fig. 38</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3336529FF868958FF52F8E672F699BD" lastPageId="45" lastPageNumber="46" pageId="44" pageNumber="45" type="discussion">
|
||
<paragraph id="8B9636A2FF868959FF52F8E677C19EC2" blockId="44.[151,1437,1174,2032]" pageId="44" pageNumber="45">
|
||
<emphasis id="B95DEAB0FF868959FF52F8E6722F9E07" bold="true" box="[199,315,1874,1899]" pageId="44" pageNumber="45">Remarks.</emphasis>
|
||
Considering the characters pointed out by
|
||
<bibRefCitation id="EFB84B53FF868959FCC2F8E7772D9E07" author="Mortensen, T." box="[855,1081,1874,1899]" pageId="44" pageNumber="45" refId="ref35386" refString="Mortensen, T. (1948 b) A Monograph of the Echinoidea IV. 2. Clypeasteroida. Clypeasteridae, Arachnoidae, Fibulariidae, Laganidae and Scutellidae. C. A. Reitzel, Copenhagen, 471 pp." type="book" year="1948">Mortensen (1948b)</bibRefCitation>
|
||
, these specimens best match
|
||
<taxonomicName id="4C294D21FF868959FF02F8C771D69EE0" authority="(Mortensen, 1948)" baseAuthorityName="Mortensen" baseAuthorityYear="1948" box="[151,706,1907,1932]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="44" pageNumber="45" phylum="Echinodermata" rank="subSpecies" species="depressum" subSpecies="tenue">
|
||
<emphasis id="B95DEAB0FF868959FF02F8C772FD9EE7" box="[151,489,1907,1932]" italics="true" pageId="44" pageNumber="45">Jacksonaster depressum tenue</emphasis>
|
||
(Mortensen, 1948)
|
||
</taxonomicName>
|
||
. The latter subspecies has a thinner test and margin, and narrower petals with straighter pore series than usually found in
|
||
<taxonomicName id="4C294D21FF868959FD69F822709A9EC1" baseAuthorityName="L. Agassiz" baseAuthorityYear="1841" box="[764,910,1940,1965]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="44" pageNumber="45" phylum="Echinodermata" rank="species" species="depressum">
|
||
<emphasis id="B95DEAB0FF868959FD69F822709A9EC1" box="[764,910,1940,1965]" italics="true" pageId="44" pageNumber="45">J. depressum</emphasis>
|
||
</taxonomicName>
|
||
from other parts of its range.
|
||
</paragraph>
|
||
<paragraph id="8B9636A2FF868958FF52F80272F699BD" blockId="44.[151,1437,1174,2032]" lastBlockId="45.[151,1436,151,210]" lastPageId="45" lastPageNumber="46" pageId="44" pageNumber="45">
|
||
<taxonomicName id="4C294D21FF868959FF52F802724D9EA3" authorityName="Lambert in Lambert & Thiery" authorityYear="1914" box="[199,345,1974,1999]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="44" pageNumber="45" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="B95DEAB0FF868959FF52F802724D9EA3" box="[199,345,1974,1999]" italics="true" pageId="44" pageNumber="45">Jacksonaster</emphasis>
|
||
</taxonomicName>
|
||
sp. 1 can be distinguished from
|
||
<taxonomicName id="4C294D21FF868959FD43F802707C9EA3" authorityName="Lambert in Lambert & Thiery" authorityYear="1914" box="[726,872,1974,1999]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="44" pageNumber="45" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="B95DEAB0FF868959FD43F802707C9EA3" box="[726,872,1974,1999]" italics="true" pageId="44" pageNumber="45">Jacksonaster</emphasis>
|
||
</taxonomicName>
|
||
sp. 2 by having a much thinner test, thinner test margin, and slightly open petals with straight pore series. In addition,
|
||
<taxonomicName id="4C294D21FF868959FC20F86377539E9C" authorityName="Lambert in Lambert & Thiery" authorityYear="1914" box="[949,1095,2007,2032]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="44" pageNumber="45" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="B95DEAB0FF868959FC20F86377539E9C" box="[949,1095,2007,2032]" italics="true" pageId="44" pageNumber="45">Jacksonaster</emphasis>
|
||
</taxonomicName>
|
||
sp. 1 has narrower poriferous zones than
|
||
<taxonomicName id="4C294D21FF878958FE80FF2372B399DC" authorityName="Lambert in Lambert & Thiery" authorityYear="1914" box="[277,423,151,176]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="45" pageNumber="46" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="B95DEAB0FF878958FE80FF2372B399DC" box="[277,423,151,176]" italics="true" pageId="45" pageNumber="46">Jacksonaster</emphasis>
|
||
</taxonomicName>
|
||
sp. 2, being approximately 81% of the width of the interporiferous zone in the former and 116% in the latter (
|
||
<figureCitation id="13122A27FF878958FEF8FF0D72C299BD" box="[365,470,185,210]" captionStart="FIGURE 40" captionStartId="47.[151,250,1098,1120]" captionTargetBox="[151,1436,193,1077]" captionTargetId="figure@47.[151,1436,193,1077]" captionTargetPageId="47" captionText="FIGURE 40. Comparison of apical system and petaloid area of Jacksonaster sp. 1 (A, WUSL/EI/26) and Jacksonaster sp. 2 (B, WUSL/EI/29)." httpUri="https://zenodo.org/record/2617537/files/figure.png" pageId="45" pageNumber="46">Fig. 40A</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |