219 lines
24 KiB
XML
219 lines
24 KiB
XML
<document id="112718A5B344E1A3B88884EAB7DAC29C" 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="038087B4FF848945FF02FF2372AA98C1" 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="7" lastPageNumber="49" masterDocId="FFB9FFCCFFAA8975FF95FFB47314996C" masterDocTitle="Taxonomy and distribution of irregular echinoids (Echinoidea: Irregularia) from Sri Lanka" masterLastPageNumber="100" masterPageNumber="1" pageNumber="47" updateTime="1698715306146" updateUser="ExternalLinkService">
|
||
<mods:mods id="534A76BB11BE77D3B937E2E58B2278A1" xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo id="F0E5704E431EEDE915427491A5857EE9">
|
||
<mods:title id="6848DD79F43D63185A76384E94F7CA79">Taxonomy and distribution of irregular echinoids (Echinoidea: Irregularia) from Sri Lanka</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name id="2E085080D6481C238737C9F92582473B" type="personal">
|
||
<mods:role id="EB68622688315246971843EBFA615F01">
|
||
<mods:roleTerm id="9115D89A4ADEAAC9D04960A179A25CD7">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="33072CA2181DA88FEB60B8BEE812632F">Arachchige, Gayashan M.</mods:namePart>
|
||
</mods:name>
|
||
<mods:name id="95C102E1F98265771649EF82EC1A2BBF" type="personal">
|
||
<mods:role id="7054496029C1256262641DDBEFD71029">
|
||
<mods:roleTerm id="A9D3CBB5A02BE1226525D2AA03A2EAAD">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="44173A712353BBC2B1B08CF3F3BD368A">Jayakody, Sevvandi</mods:namePart>
|
||
</mods:name>
|
||
<mods:name id="390BD4AEE50C70D0594BAAF53CEA77D6" type="personal">
|
||
<mods:role id="4AE31CEDF74C2EA5CFA4677F6D145AE0">
|
||
<mods:roleTerm id="AAEA44969E8FFBD8673EA4EC465E2B70">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="65C843C9A3D4BB501986F399AC383C78">Mooi, Rich</mods:namePart>
|
||
</mods:name>
|
||
<mods:name id="B77EE5554D5F1EA2756277CFFB449900" type="personal">
|
||
<mods:role id="C46C690992B35ABB5E42116AEE3EDF6D">
|
||
<mods:roleTerm id="B818C0AF758F3EEEBCF76DB69B287864">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="F5A1D65A26DE62FA62E67A4A656672F2">Kroh, Andreas</mods:namePart>
|
||
</mods:name>
|
||
<mods:typeOfResource id="D8FBBCF3C3CD7C9A275105E2FA9E2FA9">text</mods:typeOfResource>
|
||
<mods:relatedItem id="836F2610049891A8B5D03A7A916DACED" type="host">
|
||
<mods:titleInfo id="50FCFA8D2BAAA7F59C39022BAA5EB69E">
|
||
<mods:title id="DF8A7D83E126C856E587568B84AB73CC">Zootaxa</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:part id="0416F3736BFDA68CF687F09551AACD33">
|
||
<mods:date id="A54461DAE71704007057CD5CF306EFA3">2019</mods:date>
|
||
<mods:detail id="35F89D80A64EEF8293F88206B90DBD94" type="pubDate">
|
||
<mods:number id="75F28830FC1E5882019567CF27C05B8B">2019-01-03</mods:number>
|
||
</mods:detail>
|
||
<mods:detail id="317E10AFF662086AB5263F254271230D" type="volume">
|
||
<mods:number id="F4C042227582F917D19D070C3F113049">4541</mods:number>
|
||
</mods:detail>
|
||
<mods:detail id="0A24723836D32BA022C66C58CB836EB2" type="issue">
|
||
<mods:number id="A6FF67C1082596D43D82627A40958134">1</mods:number>
|
||
</mods:detail>
|
||
<mods:extent id="DC6B25955FBB8130CD0D2DE8376F22C4" unit="page">
|
||
<mods:start id="BDE2DFE601189E31EB716655F797A464">1</mods:start>
|
||
<mods:end id="323184692C78933C5A543D4C1CEDFDE9">100</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:classification id="0EB427EB13C91C8C10CCA3E4A6247F20">journal article</mods:classification>
|
||
<mods:identifier id="70039E48F583E6DED9E5C09055A78F14" type="CLB-Dataset">27715</mods:identifier>
|
||
<mods:identifier id="BE7D7BCA4AC056B8AEF58459EFFA0F94" type="DOI">10.11646/zootaxa.4541.1.1</mods:identifier>
|
||
<mods:identifier id="7058C16CEB58E29E100314EA6BEFEB44" type="GBIF-Dataset">9c3fecf1-4e11-4c79-a908-e0a5abbaf3ca</mods:identifier>
|
||
<mods:identifier id="661E7F99E7F95988DBCB2F559A4C0CCB" type="ISSN">1175-5326</mods:identifier>
|
||
<mods:identifier id="B1C9CD411F756B6010269D6B23C67DF9" type="Zenodo-Dep">2617460</mods:identifier>
|
||
<mods:identifier id="B3E08B7641C40D6A6AE6560CFD51B5E8" type="ZooBank">B11E734C-218B-418C-84E6-719AB3C58AFF</mods:identifier>
|
||
</mods:mods>
|
||
<treatment id="038087B4FF848945FF02FF2372AA98C1" ID-DOI="http://doi.org/10.5281/zenodo.5935450" ID-GBIF-Taxon="154529664" ID-Zenodo-Dep="5935450" LSID="urn:lsid:plazi:treatment:038087B4FF848945FF02FF2372AA98C1" httpUri="http://treatment.plazi.org/id/038087B4FF848945FF02FF2372AA98C1" lastPageId="48" lastPageNumber="49" pageId="46" pageNumber="47">
|
||
<subSubSection id="C3336529FF84895BFF02FF23726199DE" box="[151,373,151,178]" pageId="46" pageNumber="47" type="nomenclature">
|
||
<paragraph id="8B9636A2FF84895BFF02FF23726199DE" blockId="46.[151,373,151,211]" box="[151,373,151,178]" pageId="46" pageNumber="47">
|
||
<heading id="D0DE81CEFF84895BFF02FF23726199DE" bold="true" box="[151,373,151,178]" fontSize="11" level="1" pageId="46" pageNumber="47" reason="1">
|
||
<emphasis id="B95DEAB0FF84895BFF02FF23726199DE" bold="true" box="[151,373,151,178]" pageId="46" pageNumber="47">
|
||
<taxonomicName id="4C294D21FF84895BFF02FF23722199DD" authorityName="Lambert in Lambert & Thiery" authorityYear="1914" box="[151,309,151,177]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="46" pageNumber="47" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="B95DEAB0FF84895BFF02FF23722199DD" bold="true" box="[151,309,151,177]" italics="true" pageId="46" pageNumber="47">Jacksonaster</emphasis>
|
||
</taxonomicName>
|
||
sp. 2
|
||
</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3336529FF84895BFF02FF0E726099BF" box="[151,372,186,211]" pageId="46" pageNumber="47" type="description">
|
||
<paragraph id="8B9636A2FF84895BFF02FF0E726099BF" blockId="46.[151,373,151,211]" box="[151,372,186,211]" pageId="46" pageNumber="47">
|
||
<figureCitation id="13122A27FF84895BFF02FF0E720499BF" box="[151,272,186,211]" captionStart="FIGURE 39" captionStartId="46.[151,250,1981,2003]" captionTargetBox="[154,1439,339,1945]" captionTargetId="figure@46.[154,1439,339,1945]" captionTargetPageId="46" captionText="FIGURE 39. Jacksonaster sp. 2 (A–C, WUSL/EI/25; D, E, WUSL/EI/29): A, D, aboral view; B, E, oral view; C, lateral view." httpUri="https://zenodo.org/record/2617535/files/figure.png" pageId="46" pageNumber="47">Figures 39</figureCitation>
|
||
,
|
||
<figureCitation id="13122A27FF84895BFE89FF0F725999BF" box="[284,333,187,211]" 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="46" pageNumber="47">40B</figureCitation>
|
||
,
|
||
<figureCitation id="13122A27FF84895BFECDFF0F726099BF" box="[344,372,187,211]" captionStart="FIGURE 41" captionStartId="48.[151,250,1811,1833]" captionTargetBox="[166,1395,514,1671]" captionTargetId="figure@48.[151,1436,483,1789]" captionTargetPageId="48" captionText="FIGURE 41. Distribution map of Jacksonaster sp. 2 recorded in this study." httpUri="https://zenodo.org/record/2617539/files/figure.png" pageId="46" pageNumber="47">41</figureCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3336529FF84895BFF02FEB6762B9877" box="[151,1343,258,283]" pageId="46" pageNumber="47" type="materials_examined">
|
||
<paragraph id="8B9636A2FF84895BFF02FEB6762B9877" blockId="46.[151,1343,258,283]" box="[151,1343,258,283]" pageId="46" pageNumber="47">
|
||
<emphasis id="B95DEAB0FF84895BFF02FEB672709877" bold="true" box="[151,356,258,283]" pageId="46" pageNumber="47">Material studied.</emphasis>
|
||
Two denuded tests: WUSL/EI/25, EI/29 from Silavathurai, northern coast of
|
||
<collectingCountry id="F33E7632FF84895BFB5FFEB676289877" box="[1226,1340,258,283]" name="Sri Lanka" pageId="46" pageNumber="47">Sri Lanka</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF56662AFF84895BFF02F809768D9EBF" box="[151,1433,1981,2003]" httpUri="https://zenodo.org/record/2617535/files/figure.png" pageId="46" pageNumber="47" startId="46.[151,250,1981,2003]" targetBox="[154,1439,339,1945]" targetPageId="46">
|
||
<paragraph id="8B9636A2FF84895BFF02F809768D9EBF" blockId="46.[151,1433,1981,2003]" box="[151,1433,1981,2003]" pageId="46" pageNumber="47">
|
||
<emphasis id="B95DEAB0FF84895BFF02F80972349EBF" bold="true" box="[151,288,1981,2003]" pageId="46" pageNumber="47">FIGURE 39.</emphasis>
|
||
<taxonomicName id="4C294D21FF84895BFEB0F80972BD9EBF" authorityName="Lambert in Lambert & Thiery" authorityYear="1914" box="[293,425,1981,2003]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="46" pageNumber="47" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="B95DEAB0FF84895BFEB0F80972BD9EBF" box="[293,425,1981,2003]" italics="true" pageId="46" pageNumber="47">Jacksonaster</emphasis>
|
||
</taxonomicName>
|
||
sp. 2 (A–C, WUSL/EI/25; D, E, WUSL/EI/29): A, D, aboral view; B, E, oral view; C, lateral view.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF56662AFF85895AFF02FBFE72409D13" httpUri="https://zenodo.org/record/2617537/files/figure.png" pageId="47" pageNumber="48" startId="47.[151,250,1098,1120]" targetBox="[151,1436,193,1077]" targetPageId="47">
|
||
<paragraph id="8B9636A2FF85895AFF02FBFE72409D13" blockId="47.[151,1436,1098,1151]" pageId="47" pageNumber="48">
|
||
<emphasis id="B95DEAB0FF85895AFF02FBFE72359D33" bold="true" box="[151,289,1098,1120]" pageId="47" pageNumber="48">FIGURE 40.</emphasis>
|
||
Comparison of apical system and petaloid area of
|
||
<taxonomicName id="4C294D21FF85895AFCBBFBFE70A69D0C" authorityName="Lambert in Lambert & Thiery" authorityYear="1914" box="[814,946,1098,1120]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="47" pageNumber="48" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="B95DEAB0FF85895AFCBBFBFE70A69D0C" box="[814,946,1098,1120]" italics="true" pageId="47" pageNumber="48">Jacksonaster</emphasis>
|
||
</taxonomicName>
|
||
sp. 1 (A, WUSL/EI/26) and
|
||
<taxonomicName id="4C294D21FF85895AFB4AFBFE76779D0C" authorityName="Lambert in Lambert & Thiery" authorityYear="1914" box="[1247,1379,1098,1120]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="47" pageNumber="48" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="B95DEAB0FF85895AFB4AFBFE76779D0C" box="[1247,1379,1098,1120]" italics="true" pageId="47" pageNumber="48">Jacksonaster</emphasis>
|
||
</taxonomicName>
|
||
sp. 2 (B, WUSL/EI/29).
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C3336529FF85895AFF52FB7172BC9EC7" pageId="47" pageNumber="48" type="description">
|
||
<paragraph id="8B9636A2FF85895AFF52FB7173F79C25" blockId="47.[151,1436,1221,2032]" pageId="47" pageNumber="48">
|
||
<emphasis id="B95DEAB0FF85895AFF52FB71724D9DB2" bold="true" box="[199,345,1221,1246]" pageId="47" pageNumber="48">Description.</emphasis>
|
||
<emphasis id="B95DEAB0FF85895AFEF7FB71711B9DB1" box="[354,527,1221,1246]" italics="true" pageId="47" pageNumber="48">Shape and size</emphasis>
|
||
—Test elliptical to rounded; medium-sized,
|
||
<quantity id="4CD19B47FF85895AFB98FB7277609DB1" box="[1037,1140,1222,1246]" metricMagnitude="-2" metricUnit="m" metricValue="3.21" pageId="47" pageNumber="48" unit="mm" value="32.1">32.1 mm</quantity>
|
||
and 43.0 mm TL, longer than broad, width 87% and 89% TL; greatest width coinciding with anterior paired petals; TH 18% TL; oral side flat; edge thick, anterior edge thickness approximately 12% TL, posterior edge slightly thinner than anterior edge of test.
|
||
</paragraph>
|
||
<paragraph id="8B9636A2FF85895AFF52FAE172FF9CFE" blockId="47.[151,1436,1221,2032]" pageId="47" pageNumber="48">
|
||
<emphasis id="B95DEAB0FF85895AFF52FAE172739C01" box="[199,359,1365,1390]" italics="true" pageId="47" pageNumber="48">Apical system</emphasis>
|
||
—Subcentral, 49% and 50% TL from anterior margin of test; with five circular gonopores; hydropores in sinuous groove.
|
||
</paragraph>
|
||
<paragraph id="8B9636A2FF85895AFF52FA2977CB9F05" blockId="47.[151,1436,1221,2032]" pageId="47" pageNumber="48">
|
||
<emphasis id="B95DEAB0FF85895AFF52FA2972579CDA" box="[199,323,1437,1462]" italics="true" pageId="47" pageNumber="48">Ambulacra</emphasis>
|
||
—Petaloid area large, 73% and 77% TL, slightly elevated; petals narrow, closed distally; outer pore of each pair more elongate than inner pore; pores conjugate, but conjugating furrows inconspicuous; anterior unpaired petal slightly longer than others, 35% and 38% TL; anterior paired petals shortest, 31% and 32% TL; posterior paired petals slightly shorter than petal
|
||
<date id="FF971062FF85895AFD2EF9BE71EF9F4D" box="[699,763,1545,1569]" pageId="47" pageNumber="48" value="1934-03">III 34</date>
|
||
% and 35% TL; all petal widths similar, approximately 12% TL; width of poriferous zone IIIa 128% and 103% of interporiferous zone at 2/3 of the petal length; food grooves simple, unbranched, reaching up to 64% and 71% of corresponding test radius of ambulacrum III.
|
||
</paragraph>
|
||
<paragraph id="8B9636A2FF85895AFF52F9C176629FE2" blockId="47.[151,1436,1221,2032]" box="[199,1398,1653,1678]" pageId="47" pageNumber="48">
|
||
<emphasis id="B95DEAB0FF85895AFF52F9C172639FE2" box="[199,375,1653,1678]" italics="true" pageId="47" pageNumber="48">Interambulacra</emphasis>
|
||
—On oral side, interambulacra narrow, forming straight bands separating broad ambulacra.
|
||
</paragraph>
|
||
<paragraph id="8B9636A2FF85895AFF52F92D772E9FBA" blockId="47.[151,1436,1221,2032]" pageId="47" pageNumber="48">
|
||
<emphasis id="B95DEAB0FF85895AFF52F92D72779FDE" box="[199,355,1689,1714]" italics="true" pageId="47" pageNumber="48">Tuberculation</emphasis>
|
||
—Aboral primary tubercles small and densely distributed among numerous miliary tubercles; on oral surface, primary tubercles larger and sparse relative to those on aboral surface.
|
||
</paragraph>
|
||
<paragraph id="8B9636A2FF85895AFF52F95670D89E71" blockId="47.[151,1436,1221,2032]" pageId="47" pageNumber="48">
|
||
<emphasis id="B95DEAB0FF85895AFF52F956722D9F95" box="[199,313,1762,1785]" italics="true" pageId="47" pageNumber="48">Peristome</emphasis>
|
||
—Small, length approximately 7% TL, width approximately 9% TL; rounded to pentagonal; situated slightly anterior of centre, 46% and 48% TL from anterior margin of test.
|
||
</paragraph>
|
||
<paragraph id="8B9636A2FF85895AFF52F89E71BB9E09" blockId="47.[151,1436,1221,2032]" pageId="47" pageNumber="48">
|
||
<emphasis id="B95DEAB0FF85895AFF52F89E72259E2D" box="[199,305,1834,1857]" italics="true" pageId="47" pageNumber="48">Periproct</emphasis>
|
||
—Small, length 5% and 7% TL; transversely elongate; width 6% and 8% TL; lying on oral surface 13% and 14% TL from posterior margin of test.
|
||
</paragraph>
|
||
<paragraph id="8B9636A2FF85895AFF52F8C572BC9EC7" blockId="47.[151,1436,1221,2032]" pageId="47" pageNumber="48">
|
||
<emphasis id="B95DEAB0FF85895AFF52F8C571609EE6" bold="true" box="[199,628,1905,1930]" pageId="47" pageNumber="48">
|
||
Observed occurrence in
|
||
<collectingCountry id="F33E7632FF85895AFE67F8C5717B9EE6" box="[498,623,1905,1930]" name="Sri Lanka" pageId="47" pageNumber="48">Sri Lanka</collectingCountry>
|
||
.
|
||
</emphasis>
|
||
Denuded tests were collected from Silavathurai, northern coast of Sri Lanka at
|
||
<quantity id="4CD19B47FF85895AFF6AF827722C9EC6" box="[255,312,1939,1963]" metricMagnitude="1" metricUnit="m" metricValue="2.8" pageId="47" pageNumber="48" unit="m" value="28.0">28 m</quantity>
|
||
(
|
||
<figureCitation id="13122A27FF85895AFED2F826728F9EC7" box="[327,411,1938,1963]" captionStart="FIGURE 41" captionStartId="48.[151,250,1811,1833]" captionTargetBox="[166,1395,514,1671]" captionTargetId="figure@48.[151,1436,483,1789]" captionTargetPageId="48" captionText="FIGURE 41. Distribution map of Jacksonaster sp. 2 recorded in this study." httpUri="https://zenodo.org/record/2617539/files/figure.png" pageId="47" pageNumber="48">Fig. 41</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3336529FF858945FF52F80072AA98C1" lastPageId="48" lastPageNumber="49" pageId="47" pageNumber="48" type="discussion">
|
||
<paragraph id="8B9636A2FF858945FF52F80071C899B9" blockId="47.[151,1436,1221,2032]" lastBlockId="48.[151,1436,151,429]" lastPageId="48" lastPageNumber="49" pageId="47" pageNumber="48">
|
||
<emphasis id="B95DEAB0FF85895AFF52F800722F9EA1" bold="true" box="[199,315,1972,1997]" pageId="47" pageNumber="48">Remarks.</emphasis>
|
||
The two specimens of
|
||
<taxonomicName id="4C294D21FF85895AFDA9F80071DA9EA1" authorityName="Lambert in Lambert & Thiery" authorityYear="1914" box="[572,718,1972,1997]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="47" pageNumber="48" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="B95DEAB0FF85895AFDA9F80071DA9EA1" box="[572,718,1972,1997]" italics="true" pageId="47" pageNumber="48">Jacksonaster</emphasis>
|
||
</taxonomicName>
|
||
sp. 2 were collected from a different locality to
|
||
<taxonomicName id="4C294D21FF85895AFB71F80076629EA1" authorityName="Lambert in Lambert & Thiery" authorityYear="1914" box="[1252,1398,1972,1997]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="47" pageNumber="48" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="B95DEAB0FF85895AFB71F80076629EA1" box="[1252,1398,1972,1997]" italics="true" pageId="47" pageNumber="48">Jacksonaster</emphasis>
|
||
</taxonomicName>
|
||
sp. 1. They can be distinguished from
|
||
<taxonomicName id="4C294D21FF85895AFDB4F86371A79E9C" authorityName="Lambert in Lambert & Thiery" authorityYear="1914" box="[545,691,2007,2032]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="47" pageNumber="48" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="B95DEAB0FF85895AFDB4F86371A79E9C" box="[545,691,2007,2032]" italics="true" pageId="47" pageNumber="48">Jacksonaster</emphasis>
|
||
</taxonomicName>
|
||
sp.
|
||
<quantity id="4CD19B47FF85895AFD76F86C701B9E9C" box="[739,783,2007,2032]" metricMagnitude="-2" metricUnit="m" metricValue="2.54" pageId="47" pageNumber="48" unit="in" value="1.0">1 in</quantity>
|
||
having a more elliptical, rounded test outline, thicker test margin, relatively larger petaloid area, relatively closed petals, wider interporiferous zones (
|
||
<figureCitation id="13122A27FF9A8945FB5FFF23762799DC" box="[1226,1331,151,176]" 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="48" pageNumber="49">Fig. 40B</figureCitation>
|
||
) and the periproct situated further from the posterior margin.
|
||
</paragraph>
|
||
<paragraph id="8B9636A2FF9A8945FF52FF6B7074982C" blockId="48.[151,1436,151,429]" pageId="48" pageNumber="49">
|
||
Using the key of
|
||
<bibRefCitation id="EFB84B53FF9A8945FE00FF6B71BD9994" author="Clark, A. M. G. & Rowe, F. W. E." box="[405,681,223,248]" pageId="48" pageNumber="49" refId="ref34228" refString="Clark, A. M. G. & Rowe, F. W. E. (1971) Monograph of Shallow-water Indo-West Pacific Echinoderms. British Museum Natural History Publications, London, 238 pp." type="book" year="1971">Clark and Rowe (1971)</bibRefCitation>
|
||
, these specimens resemble
|
||
<taxonomicName id="4C294D21FF9A8945FC7CFF6B77E99994" baseAuthorityName="L. Agassiz" baseAuthorityYear="1841" box="[1001,1277,223,248]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="48" pageNumber="49" phylum="Echinodermata" rank="species" species="depressum">
|
||
<emphasis id="B95DEAB0FF9A8945FC7CFF6B77E99994" box="[1001,1277,223,248]" italics="true" pageId="48" pageNumber="49">Jacksonaster depressum</emphasis>
|
||
</taxonomicName>
|
||
. However, as stated in
|
||
<bibRefCitation id="EFB84B53FF9A8945FE9FFEB172FF9871" author="Mortensen, T." box="[266,491,260,285]" pageId="48" pageNumber="49" 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>
|
||
, the posterior end of
|
||
<taxonomicName id="4C294D21FF9A8945FD69FEB077009871" baseAuthorityName="L. Agassiz" baseAuthorityYear="1841" box="[764,1044,260,285]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="48" pageNumber="49" phylum="Echinodermata" rank="species" species="depressum">
|
||
<emphasis id="B95DEAB0FF9A8945FD69FEB077009871" box="[764,1044,260,285]" italics="true" pageId="48" pageNumber="49">Jacksonaster depressum</emphasis>
|
||
</taxonomicName>
|
||
is usually “reenteringly curved” (indented). This feature was not observed in
|
||
<taxonomicName id="4C294D21FF9A8945FD19FE93700A982C" authorityName="Lambert in Lambert & Thiery" authorityYear="1914" box="[652,798,295,320]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="48" pageNumber="49" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="B95DEAB0FF9A8945FD19FE93700A982C" box="[652,798,295,320]" italics="true" pageId="48" pageNumber="49">Jacksonaster</emphasis>
|
||
</taxonomicName>
|
||
sp. 2.
|
||
</paragraph>
|
||
<paragraph id="8B9636A2FF9A8945FF52FEF872AA98C1" blockId="48.[151,1436,151,429]" pageId="48" pageNumber="49">
|
||
These specimens are similar in outline to
|
||
<taxonomicName id="4C294D21FF9A8945FD32FEF9707D9809" authorityName="Koehler" authorityYear="1922" box="[679,873,332,357]" class="Echinoidea" family="Laganidae" genus="Laganum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="48" pageNumber="49" phylum="Echinodermata" rank="species" species="joubini">
|
||
<emphasis id="B95DEAB0FF9A8945FD32FEF9707D9809" box="[679,873,332,357]" italics="true" pageId="48" pageNumber="49">Laganum joubini</emphasis>
|
||
</taxonomicName>
|
||
, but
|
||
<taxonomicName id="4C294D21FF9A8945FC33FEF977019809" authorityName="Koehler" authorityYear="1922" box="[934,1045,332,357]" class="Echinoidea" family="Laganidae" genus="Laganum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="48" pageNumber="49" phylum="Echinodermata" rank="species" species="joubini">
|
||
<emphasis id="B95DEAB0FF9A8945FC33FEF977019809" box="[934,1045,332,357]" italics="true" pageId="48" pageNumber="49">L. joubini</emphasis>
|
||
</taxonomicName>
|
||
has a more anterior periproct and more anterior apical system.
|
||
<taxonomicName id="4C294D21FF9A8945FE49FEDB717A98E4" authorityName="Lambert in Lambert & Thiery" authorityYear="1914" box="[476,622,367,392]" class="Echinoidea" family="Laganidae" genus="Jacksonaster" higherTaxonomySource="GBIF" kingdom="Animalia" order="Clypeasteroida" pageId="48" pageNumber="49" phylum="Echinodermata" rank="genus">
|
||
<emphasis id="B95DEAB0FF9A8945FE49FEDB717A98E4" box="[476,622,367,392]" italics="true" pageId="48" pageNumber="49">Jacksonaster</emphasis>
|
||
</taxonomicName>
|
||
in
|
||
<collectingCountry id="F33E7632FF9A8945FD06FEDB701598E4" box="[659,769,367,392]" name="Sri Lanka" pageId="48" pageNumber="49">Sri Lanka</collectingCountry>
|
||
requires further examination and revision, perhaps through future molecular analyses.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |