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<document id="8F47E595DBED399DE50EBCB41A841F7B" ID-DOI="10.24199/j.mmv.2005.62.3" ID-ISSN="1447-2554" ID-Zenodo-Dep="10665587" IM.bibliography_approvedBy="juliana" IM.illustrations_approvedBy="juliana" IM.materialsCitations_approvedBy="juliana" IM.metadata_approvedBy="juliana" IM.tables_approvedBy="juliana" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="juliana" checkinTime="1708004635701" checkinUser="felipe" docAuthor="Holmes, Francis C., Yee, Christopher Ah &amp; Krause, Janice" docDate="2005" docId="C17C87DA9908716EFCFAE38B93C1F8F0" docLanguage="en" docName="MemMusVictoria.62.1.91-99.pdf" docOrigin="Memoirs of Museum Victoria 62 (1)" docSource="https://museumsvictoria.com.au/collections-research/journals/memoirs-of-museum-victoria/volume-62-issue-1-2005/pages-91-99/" docStyle="DocumentStyle:99484BB52C5EA01CDE4EA5EECB5782C2.2:MemMusVictoria.2003-.journal_article.type2" docStyleId="99484BB52C5EA01CDE4EA5EECB5782C2" docStyleName="MemMusVictoria.2003-.journal_article.type2" docStyleVersion="2" docTitle="Murraypneustes Holmes &amp; Yee &amp; Krause 2005, gen. nov." docType="treatment" docVersion="3" lastPageNumber="93" masterDocId="3D45FFA29909716CFFE4E17B915BFFF4" masterDocTitle="Two new Middle Miocene spatangoids (Echinoidea) from the Murray Basin, South Australia" masterLastPageNumber="99" masterPageNumber="91" pageNumber="92" updateTime="1711397301711" updateUser="juliana" zenodo-license-document="CC-BY-4.0">
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<mods:title id="40827913B1A0EA16656AF963D5506C9D">Two new Middle Miocene spatangoids (Echinoidea) from the Murray Basin, South Australia</mods:title>
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<mods:namePart id="DE87C15BA3BCC15355115794F94332D1">Holmes, Francis C.</mods:namePart>
<mods:affiliation id="0EACEBB16015D7EA11FA8940974B2753">Kenbry Road, Heathmont, Victoria 3135, Australia, and Invertebrate Palaeontology, Museum Victoria, PO Box 666, Melbourne, Victoria 3001, Australia (fholmes @ bigpond. net. au)</mods:affiliation>
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<mods:namePart id="53C8A226147463B032DC8E4081B89AE0">Yee, Christopher Ah</mods:namePart>
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<mods:namePart id="094ADB340E4D28E6101DEF63AFC9B488">Krause, Janice</mods:namePart>
<mods:affiliation id="D11FBDDD63A4F6D8CC4061061FD9C221">P. O. Box 581, Hamilton, Victoria 3300, Australia</mods:affiliation>
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<subSubSection id="01CF65479908716DFCFAE38B9572FCF2" box="[798,1065,752,774]" pageId="1" pageNumber="92" type="nomenclature">
<paragraph id="496A36CC9908716DFCFAE38B9572FCF2" blockId="1.[798,1065,752,774]" box="[798,1065,752,774]" pageId="1" pageNumber="92">
<heading id="122281A09908716DFCFAE38B9572FCF2" box="[798,1065,752,774]" fontSize="9" level="2" pageId="1" pageNumber="92" reason="5">
<taxonomicName id="8ED54D4F9908716DFCFAE38B929DFCF1" ID-CoL="7PPKN" authority="Holmes &amp; Yee &amp; Krause, 2005" authorityName="Holmes &amp; Yee &amp; Krause" authorityYear="2005" box="[798,966,752,773]" class="Echinoidea" family="Maretiidae" genus="Murraypneustes" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="genus" status="gen. nov.">
<emphasis id="7BA1EADE9908716DFCFAE38B929DFCF1" bold="true" box="[798,966,752,773]" italics="true" pageId="1" pageNumber="92">Murraypneustes</emphasis>
</taxonomicName>
<taxonomicNameLabel id="609257A59908716DFC29E38B9572FCF2" box="[973,1065,752,774]" pageId="1" pageNumber="92" rank="genus">gen. nov.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="01CF65479908716DFCFAE2609212FCBA" pageId="1" pageNumber="92" type="type_taxon">
<paragraph id="496A36CC9908716DFCFAE2609212FCBA" blockId="1.[798,1429,795,846]" pageId="1" pageNumber="92">
<emphasis id="7BA1EADE9908716DFCFAE260942AFCC5" box="[798,1393,795,817]" italics="true" pageId="1" pageNumber="92">
<typeStatus id="966E886E9908716DFCFAE2609216FCC5" box="[798,845,795,817]" pageId="1" pageNumber="92">Type</typeStatus>
and only known species.
<taxonomicName id="8ED54D4F9908716DFBB6E260942AFCC5" authority="Holmes &amp; Yee &amp; Krause, 2005" authorityName="Holmes &amp; Yee &amp; Krause" authorityYear="2005" box="[1106,1393,795,817]" class="Echinoidea" family="Maretiidae" genus="Murraypneustes" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="species" species="biannulatus" status="sp. nov.">Murraypneustes biannulatus</taxonomicName>
</emphasis>
<taxonomicNameLabel id="609257A59908716DFA9CE2609212FCBA" pageId="1" pageNumber="92" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="01CF65479908716DFCFAE21F947CFB6F" pageId="1" pageNumber="92" type="diagnosis">
<paragraph id="496A36CC9908716DFCFAE21F947CFB6F" blockId="1.[798,1430,867,1179]" pageId="1" pageNumber="92">
<emphasis id="7BA1EADE9908716DFCFAE21F92D8FC8E" box="[798,899,868,890]" italics="true" pageId="1" pageNumber="92">Diagnosis</emphasis>
. Large ovoid spatangoid with centrally depressed adapical surface, apex well posterior of centre. Apical system ethmolytic with 4 gonopores. Aboral primary tubercles of 2 distinct sizes, small and randomly spaced, the larger proximal to the ambitus. Labrum long, narrow, partially tuberculate, extending to third ambulacral plate. Two peripetalous fascioles present; one marginal, passing above the periproct (pseudolateral); the second, rudimentary, non re-entrant and clear of the distal ends of paired petals. Intermittent horizontal fasciole bands also occur between the 2 peripetalous fascioles. Subanal fasciole in contact with marginal periproct.
</paragraph>
</subSubSection>
<subSubSection id="01CF65479908716DFCFAE5CB9513FAF4" pageId="1" pageNumber="92" type="etymology">
<paragraph id="496A36CC9908716DFCFAE5CB9513FAF4" blockId="1.[798,1429,1200,1280]" pageId="1" pageNumber="92">
<emphasis id="7BA1EADE9908716DFCFAE5CB92D2FB32" box="[798,905,1200,1222]" italics="true" pageId="1" pageNumber="92">Etymology</emphasis>
. For the Murray River cliffs, the origin of the fossils, and “pneustes”, a common suffix used for spatangoid echinoids. Gender masculine.
</paragraph>
</subSubSection>
<subSubSection id="01CF65479908716EFCFAE46C93C1F8F0" lastPageId="2" lastPageNumber="93" pageId="1" pageNumber="92" type="discussion">
<paragraph id="496A36CC9908716DFCFAE46C95B3F99F" blockId="1.[798,1429,1303,1961]" pageId="1" pageNumber="92">
<emphasis id="7BA1EADE9908716DFCFAE46C922EFAD9" box="[798,885,1303,1325]" italics="true" pageId="1" pageNumber="92">Remarks</emphasis>
. The following analysis of morphological features of genera similar to
<taxonomicName id="8ED54D4F9908716DFC35E44F9528FABE" authority="Holmes &amp; Yee &amp; Krause, 2005" authorityName="Holmes &amp; Yee &amp; Krause" authorityYear="2005" box="[977,1139,1332,1354]" class="Echinoidea" family="Maretiidae" genus="Murraypneustes" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="genus" status="gen. nov.">
<emphasis id="7BA1EADE9908716DFC35E44F9528FABE" box="[977,1139,1332,1354]" italics="true" pageId="1" pageNumber="92">Murraypneustes</emphasis>
</taxonomicName>
<taxonomicNameLabel id="609257A59908716DFB9FE4489583FABD" box="[1147,1240,1331,1353]" pageId="1" pageNumber="92" rank="genus">gen. nov.</taxonomicNameLabel>
is based primarily on
<bibRefCitation id="2D444B3D9908716DFCA2E42B9556FA92" author="Mortensen, T." box="[838,1037,1360,1382]" pageId="1" pageNumber="92" refId="ref5846" refString="Mortensen, T. 1950 a. A monograph of the Echinoidea 5 (1). Spatangoida 1. Protosternata, Meriodosternata, Amphisternata 1. Palaeopneustidae, Palaeostomaridae, Aeropsidae, Toxasteridae, Micrasteridae, Hemiasteridae. C. A. Reitzel: Copenhagen. 432 pp., 25 pls." type="book" year="1950">Mortensen (1950a)</bibRefCitation>
and
<bibRefCitation id="2D444B3D9908716DFBAAE42B947DFA92" author="Smith, A. B. &amp; Stockley, B. &amp; Godfrey, D." box="[1102,1318,1360,1382]" pageId="1" pageNumber="92" refId="ref5974" refString="Smith, A. B., Stockley, B., and Godfrey, D. 2003. Spatangoida. In: Smith, A. B. (ed.), The echinoid directory. http: / www. nhm. ac. uk / palaeontology / echinoids [accessed 19 Jun 2005]." type="book" year="2003">Smith et al. (2003)</bibRefCitation>
. Although approximately 30 genera within the
<taxonomicName id="8ED54D4F9908716DFB46E416947BFA77" authorityName="Fisher" authorityYear="1966" box="[1186,1312,1389,1411]" class="Echinoidea" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="subOrder" subOrder="Micrasterina">Micrasterina</taxonomicName>
have been investigated, only eight warranted further scrutiny; four currently unassigned to a family by
<bibRefCitation id="2D444B3D9908716DFB4AE4DC94CAFA49" author="Smith, A. B. &amp; Stockley, B. &amp; Godfrey, D." box="[1198,1425,1447,1469]" pageId="1" pageNumber="92" refId="ref5974" refString="Smith, A. B., Stockley, B., and Godfrey, D. 2003. Spatangoida. In: Smith, A. B. (ed.), The echinoid directory. http: / www. nhm. ac. uk / palaeontology / echinoids [accessed 19 Jun 2005]." type="book" year="2003">Smith et al. (2003)</bibRefCitation>
,
<taxonomicName id="8ED54D4F9908716DFCFAE4BF9561FA2E" authority="Koehler, 1914" authorityName="Koehler" authorityYear="1914" box="[798,1082,1476,1498]" class="Echinoidea" family="Eurypatagidae" genus="Elipneustes" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE9908716DFCFAE4BF92CAFA2E" box="[798,913,1476,1498]" italics="true" pageId="1" pageNumber="92">Elipneustes</emphasis>
<bibRefCitation id="2D444B3D9908716DFC45E4BF9561FA2E" author="Koehler, R." box="[929,1082,1476,1498]" pageId="1" pageNumber="92" pagination="191" refId="ref5434" refString="Koehler, R. 1914. Rectification. Zoologischer Anzeiger 44: 191." type="journal article" year="1914">Koehler, 1914</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="8ED54D4F9908716DFBA9E4BF94CAFA2E" authority="Mortensen, 1948" authorityName="Mortensen" authorityYear="1948" box="[1101,1425,1476,1498]" class="Echinoidea" family="Eurypatagidae" genus="Eurypatagus" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE9908716DFBA9E4BF9597FA2E" box="[1101,1228,1476,1498]" italics="true" pageId="1" pageNumber="92">Eurypatagus</emphasis>
<bibRefCitation id="2D444B3D9908716DFB38E4BF94CAFA2E" author="Mortensen, T." box="[1244,1425,1476,1498]" pageId="1" pageNumber="92" pagination="93 - 140" refId="ref5771" refString="Mortensen, T. 1948. Report on the Echinoidea collected by the United States Fisheries Steamer &quot; Albatross &quot; during the Philippine Expedition, 1907 - 1910. Part 3. The Echinoneidae, Echinolampadidae, Clypeasteridae, Arachnoididae, Laganidae, Fibulariidae, Urchinidae, Echinocorythidae, Palaeostomatidae, Micrasteridae, Palaeopneustidae, Hemiasteridae and Spatanidae. Bulletin of the United States National Museum 100 (14): 93 - 140." type="journal article" year="1948">Mortensen, 1948</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="8ED54D4F9908716DFCFAE49A950CFA03" authority="A. Agassiz, 1881" authorityName="A. Agassiz" authorityYear="1881" box="[798,1111,1505,1527]" class="Echinoidea" family="Eurypatagidae" genus="Linopneustes" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE9908716DFCFAE49A92F9FA03" box="[798,930,1505,1527]" italics="true" pageId="1" pageNumber="92">Linopneustes</emphasis>
A.
<bibRefCitation id="2D444B3D9908716DFC22E49A950CFA03" author="Agassiz, A." box="[966,1111,1505,1527]" pageId="1" pageNumber="92" pagination="1 - 321" refId="ref4952" refString="Agassiz, A. 1881. Report on the Echinoidea. Reports on the scientific results of the voyage of H. M. S. Challenger during the years 1873 - 76, Zoology 3 (9): 1 - 321, 45 pls." type="book chapter" year="1881">Agassiz, 1881</bibRefCitation>
</taxonomicName>
, and
<taxonomicName id="8ED54D4F9908716DFB69E49A94CAFA03" authority="Grube, 1865" authorityName="Grube" authorityYear="1865" box="[1165,1425,1505,1527]" class="Echinoidea" family="Eurypatagidae" genus="Platybrissus" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE9908716DFB69E49A9453FA03" box="[1165,1288,1505,1527]" italics="true" pageId="1" pageNumber="92">Platybrissus</emphasis>
<bibRefCitation id="2D444B3D9908716DFAF4E49A94CAFA03" author="Grube, A. E." box="[1296,1425,1505,1527]" pageId="1" pageNumber="92" pagination="35 - 37" refId="ref5373" refString="Grube, A. E. 1865. Einige neue Seesterne des hiesigen zoologischen Museums. Jahresbericht der Schlesischen Gesellschaft fur vaterlandische Cultur 1865: 35 - 37." type="journal article" year="1865">Grube, 1865</bibRefCitation>
</taxonomicName>
; three belonging to the
<taxonomicName id="8ED54D4F9908716DFBE0E4859445F9E0" authority="(Lambert, 1905)" baseAuthorityName="Lambert" baseAuthorityYear="1905" box="[1028,1310,1534,1556]" class="Echinoidea" family="Maretiidae" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="family">
Maretiidae (
<bibRefCitation id="2D444B3D9908716DFB9AE485944CF9E0" author="Lambert, J." box="[1150,1303,1534,1556]" pageId="1" pageNumber="92" pagination="129 - 164" refId="ref5448" refString="Lambert, J. 1905. Echinides eoceniques de l'Aude et de l'Herault. Pp. 129 - 164 in: Doncieux, L. (ed.), Catalogue descriptif des fossils nummuliques de l'Aude et de l'Herault. Premiere partie: Montagne Noire et Minervous. Annales de l'Universite de Lyon 17: 1 - 184,5 pls." type="journal article" year="1905">Lambert, 1905</bibRefCitation>
)
</taxonomicName>
,
<taxonomicName id="8ED54D4F9908716DFACEE4859288F9C5" authority="L. Agassiz, 1847" authorityName="L. Agassiz" authorityYear="1847" class="Echinoidea" family="Eupatagidae" genus="Eupatagus" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE9908716DFACEE48594CEF9E0" box="[1322,1429,1534,1556]" italics="true" pageId="1" pageNumber="92">Eupatagus</emphasis>
L.
<bibRefCitation id="2D444B3D9908716DFCDAE7609288F9C5" author="Agassiz, L. in &amp; Agassiz, L. &amp; Desor, E." box="[830,979,1563,1585]" pageId="1" pageNumber="92" pagination="129 - 168" refId="ref4999" refString="Agassiz, L. in: Agassiz, L., and Desor, E. 1847. Catologue raisonne des families, des genres et des especes de la classe des echinoderms. Annales des Sciences Naturelles 7: 129 - 168." type="journal article" year="1847">Agassiz, 1847</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="8ED54D4F9908716DFC07E760943EF9C5" authority="Lambert and Thiery, 1915" authorityName="Lambert and Thiery" authorityYear="1915" box="[995,1381,1563,1585]" class="Magnoliopsida" family="Asteraceae" genus="Mazzettia" kingdom="Plantae" order="Asterales" pageId="1" pageNumber="92" phylum="Tracheophyta" rank="genus">
<emphasis id="7BA1EADE9908716DFC07E760951FF9C5" box="[995,1092,1563,1585]" italics="true" pageId="1" pageNumber="92">Mazzettia</emphasis>
<bibRefCitation id="2D444B3D9908716DFBB4E760943EF9C5" author="Lambert, J. &amp; Thiery, P." box="[1104,1381,1563,1585]" pageId="1" pageNumber="92" pagination="155 - 240" refId="ref5553" refString="Lambert, J., and Thiery, P. 1915. Descriptions des echinides des Terrains Neogenes du Basin du Rhone. Memoires de la Societe Paleontologique Suisse (Abhandlungen der Schweizerischen Palaontologischen Gesellschaft) 41: 155 - 240, pls 13 - 17." type="journal article" year="1915">Lambert and Thiéry, 1915</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="8ED54D4F9908716DFCFAE7439529F9BA" authority="H. L. Clark, 1923" authorityName="H. L. Clark" authorityYear="1923" box="[798,1138,1592,1614]" class="Echinoidea" family="Maretiidae" genus="Spatagobrissus" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE9908716DFCFAE74392EDF9BA" box="[798,950,1592,1614]" italics="true" pageId="1" pageNumber="92">Spatagobrissus</emphasis>
H. L.
<bibRefCitation id="2D444B3D9908716DFC1DE7439529F9BA" author="Clark, H. L." box="[1017,1138,1592,1614]" pageId="1" pageNumber="92" pagination="221 - 435" refId="ref5090" refString="Clark, H. L. 1923. The echinoderm fauna of South Africa. Annals of the South African Museum 113: 221 - 435." type="journal article" year="1923">Clark, 1923</bibRefCitation>
</taxonomicName>
; and
<taxonomicName id="8ED54D4F9908716DFB4CE743940FF9BA" authorityName="Lambert" authorityYear="1905" box="[1192,1364,1592,1614]" class="Echinoidea" family="Macropneustidae" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="family">Macropneustidae</taxonomicName>
genus
<taxonomicName id="8ED54D4F9908716DFCFAE72E95BFF99F" authority="Lambert and Sanchez Roig, 1924" authorityName="Lambert and Sanchez Roig" authorityYear="1924" box="[798,1252,1621,1643]" class="Echinoidea" family="Macropneustidae" genus="Lajanaster" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE9908716DFCFAE72E92D1F99F" box="[798,906,1621,1643]" italics="true" pageId="1" pageNumber="92">Lajanaster</emphasis>
<bibRefCitation id="2D444B3D9908716DFC75E72E95BFF99F" author="Lambert, J. &amp; Sanchez Roig, M." box="[913,1252,1621,1643]" pageId="1" pageNumber="92" pagination="7" refId="ref5509" refString="Lambert, J., and Sanchez Roig, M. 1924. P. 449 in: Lambert J., and Thiery, P. Essai de nomenclature raisonnee des echinides 6 and 7. Libraire L. Ferriere: Chaumont." type="book chapter" year="1924">Lambert and Sanchez Roig, 1924</bibRefCitation>
</taxonomicName>
.
</paragraph>
<paragraph id="496A36CC9908716EFCDAE70990DFFDB1" blockId="1.[798,1429,1303,1961]" lastBlockId="2.[138,770,299,1796]" lastPageId="2" lastPageNumber="93" pageId="1" pageNumber="92">
Using a broad comparison of 38 features,
<taxonomicName id="8ED54D4F9908716DFAF5E70994CEF97C" authorityName="A. Agassiz" authorityYear="1881" box="[1297,1429,1650,1672]" class="Echinoidea" family="Eurypatagidae" genus="Linopneustes" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE9908716DFAF5E70994CEF97C" box="[1297,1429,1650,1672]" italics="true" pageId="1" pageNumber="92">Linopneustes</emphasis>
</taxonomicName>
stands out from the other seven genera as having closest affinity with
<taxonomicName id="8ED54D4F9908716DFC64E7D79579F936" authorityName="Holmes &amp; Yee &amp; Krause" authorityYear="2005" box="[896,1058,1708,1730]" class="Echinoidea" family="Maretiidae" genus="Murraypneustes" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE9908716DFC64E7D79579F936" box="[896,1058,1708,1730]" italics="true" pageId="1" pageNumber="92">Murraypneustes</emphasis>
</taxonomicName>
; four of its recorded six species,
<taxonomicName id="8ED54D4F9908716DFCFAE7B295D7F92A" authority="(A. Agassiz, 1878)" baseAuthorityName="A. Agassiz" baseAuthorityYear="1878" box="[798,1164,1736,1759]" class="Echinoidea" family="Eurypatagidae" genus="Linopneustes" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="species" species="longispinus">
<emphasis id="7BA1EADE9908716DFCFAE7B292E8F92B" box="[798,947,1737,1759]" italics="true" pageId="1" pageNumber="92">L. longispinus</emphasis>
(A.
<bibRefCitation id="2D444B3D9908716DFC09E7B395DFF92A" author="Agassiz, A." box="[1005,1156,1736,1758]" pageId="1" pageNumber="92" pagination="185 - 196" refId="ref4866" refString="Agassiz, A. 1878. Report on the Echini in No. 9 (2) - Reports on the results of dredging, under the supervision of Alexander Agassiz, in the Gulf of Mexico, by the United States Coast Survey Steamer &quot; Blake &quot;, Lieutenant-Commander C. D. Sigsbee, U. S. N., commanding. Bulletin of the Museum of Comparative Zoology, Harvard University 5: 185 - 196, pls 1 - 5." type="journal article" year="1878">Agassiz, 1878</bibRefCitation>
)
</taxonomicName>
,
<taxonomicName id="8ED54D4F9908716DFB79E7B29201F90F" authority="(de Meijere, 1903)" baseAuthorityName="de Meijere" baseAuthorityYear="1903" class="Echinoidea" family="Eurypatagidae" genus="Linopneustes" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="species" species="fragilis">
<emphasis id="7BA1EADE9908716DFB79E7B2945CF92B" box="[1181,1287,1737,1759]" italics="true" pageId="1" pageNumber="92">L. fragilis</emphasis>
(de
<bibRefCitation id="2D444B3D9908716DFAA5E7B39208F90F" author="Meijere, J. C. H. de" pageId="1" pageNumber="92" pagination="1 - 16" refId="ref5711" refString="Meijere, J. C. H. de 1903. Vorlaufige Beschreibung der neuen, durch die Siboga-Expedition gesamelten Echiniden. Tijdschrift der Nederlandsche Dierkundige Vereeniging (ser. 2) 8: 1 - 16." type="journal article" year="1903">Meijere, 1903</bibRefCitation>
)
</taxonomicName>
,
<taxonomicName id="8ED54D4F9908716DFC83E79E95ECF90F" authority="(de Meijere, 1903)" baseAuthorityName="de Meijere" baseAuthorityYear="1903" box="[871,1207,1765,1787]" class="Echinoidea" family="Eurypatagidae" genus="Linopneustes" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="species" species="spectabilis">
<emphasis id="7BA1EADE9908716DFC83E79E92B5F90F" box="[871,1006,1765,1787]" italics="true" pageId="1" pageNumber="92">L. spectabilis</emphasis>
(de
<bibRefCitation id="2D444B3D9908716DFBFBE79E95EBF90F" author="Meijere, J. C. H. de" box="[1055,1200,1765,1787]" pageId="1" pageNumber="92" pagination="1 - 16" refId="ref5711" refString="Meijere, J. C. H. de 1903. Vorlaufige Beschreibung der neuen, durch die Siboga-Expedition gesamelten Echiniden. Tijdschrift der Nederlandsche Dierkundige Vereeniging (ser. 2) 8: 1 - 16." type="journal article" year="1903">Meijere, 1903</bibRefCitation>
)
</taxonomicName>
, and
<taxonomicName id="8ED54D4F9908716DFB14E79E92BEF8EC" authority="Mortensen, 1950 b" authorityName="Mortensen" authorityYear="1950" class="Echinoidea" family="Eurypatagidae" genus="Linopneustes" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="species" species="brachipetalus">
<emphasis id="7BA1EADE9908716DFB14E79E94CEF90F" box="[1264,1429,1765,1787]" italics="true" pageId="1" pageNumber="92">L. brachipetalus</emphasis>
<bibRefCitation id="2D444B3D9908716DFCFAE67992BEF8EC" author="Mortensen, T." box="[798,997,1794,1816]" pageId="1" pageNumber="92" pagination="157 - 163" refId="ref5900" refString="Mortensen, T. 1950 b. New Echinoidea (Spatangoida). Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening I Kjobenhavn 112: 157 - 163." type="journal article" year="1950">Mortensen, 1950b</bibRefCitation>
</taxonomicName>
having distinct marginal peripetalous fascioles passing above the periproct. In the other two,
<taxonomicName id="8ED54D4F9908716DFCFAE647950FF8A6" authority="(A. Agassiz, 1879)" baseAuthorityName="A. Agassiz" baseAuthorityYear="1879" box="[798,1108,1852,1874]" class="Echinoidea" family="Eurypatagidae" genus="Linopneustes" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="species" species="murrayi">
<emphasis id="7BA1EADE9908716DFCFAE64792D0F8A6" box="[798,907,1852,1874]" italics="true" pageId="1" pageNumber="92">L. murrayi</emphasis>
(A. Agassiz, 1879)
</taxonomicName>
and
<taxonomicName id="8ED54D4F9908716DFB6EE6479209F89B" authority="de Meijere, 1903" authorityName="de Meijere" authorityYear="1903" class="Echinoidea" family="Eurypatagidae" genus="Linopneustes" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="species" species="excentricus">
<emphasis id="7BA1EADE9908716DFB6EE6479443F8A6" box="[1162,1304,1852,1874]" italics="true" pageId="1" pageNumber="92">L. excentricus</emphasis>
de
<bibRefCitation id="2D444B3D9908716DFAA5E6479209F89B" author="Meijere, J. C. H. de" pageId="1" pageNumber="92" pagination="1 - 16" refId="ref5711" refString="Meijere, J. C. H. de 1903. Vorlaufige Beschreibung der neuen, durch die Siboga-Expedition gesamelten Echiniden. Tijdschrift der Nederlandsche Dierkundige Vereeniging (ser. 2) 8: 1 - 16." type="journal article" year="1903">Meijere, 1903</bibRefCitation>
</taxonomicName>
, the peripetalous fasciole is not marginal but somewhat higher up on the test (
<bibRefCitation id="2D444B3D9908716DFBC5E60D9445F878" author="Mortensen, T." box="[1057,1310,1910,1932]" pageId="1" pageNumber="92" refId="ref5846" refString="Mortensen, T. 1950 a. A monograph of the Echinoidea 5 (1). Spatangoida 1. Protosternata, Meriodosternata, Amphisternata 1. Palaeopneustidae, Palaeostomaridae, Aeropsidae, Toxasteridae, Micrasteridae, Hemiasteridae. C. A. Reitzel: Copenhagen. 432 pp., 25 pls." type="book" year="1950">Mortensen, 1950a: 221</bibRefCitation>
). Although
<taxonomicName id="8ED54D4F9908716DFCFAE6E892DCF85D" baseAuthorityName="de Meijere" baseAuthorityYear="1903" box="[798,903,1939,1961]" class="Echinoidea" family="Eurypatagidae" genus="Linopneustes" kingdom="Animalia" order="Spatangoida" pageId="1" pageNumber="92" phylum="Echinodermata" rank="species" species="fragilis">
<emphasis id="7BA1EADE9908716DFCFAE6E892DCF85D" box="[798,903,1939,1961]" italics="true" pageId="1" pageNumber="92">L. fragilis</emphasis>
</taxonomicName>
has multiple fasciole bands around the ambitus,
<taxonomicName id="8ED54D4F990B716EFF6EE05091A1FEB5" baseAuthorityName="A. Agassiz" baseAuthorityYear="1879" box="[138,250,299,321]" class="Echinoidea" family="Eurypatagidae" genus="Linopneustes" kingdom="Animalia" order="Spatangoida" pageId="2" pageNumber="93" phylum="Echinodermata" rank="species" species="murrayi">
<emphasis id="7BA1EADE990B716EFF6EE05091A1FEB5" box="[138,250,299,321]" italics="true" pageId="2" pageNumber="93">L. murrayi</emphasis>
</taxonomicName>
a rounded margin (Smith, pers. com. 2005) and
<taxonomicName id="8ED54D4F990B716EFF6EE0339041FEAA" baseAuthorityName="A. Agassiz" baseAuthorityYear="1878" box="[138,282,328,350]" class="Echinoidea" family="Eurypatagidae" genus="Linopneustes" kingdom="Animalia" order="Spatangoida" pageId="2" pageNumber="93" phylum="Echinodermata" rank="species" species="longispinus">
<emphasis id="7BA1EADE990B716EFF6EE0339041FEAA" box="[138,282,328,350]" italics="true" pageId="2" pageNumber="93">L. longispinus</emphasis>
</taxonomicName>
relatively short closing petals;
<taxonomicName id="8ED54D4F990B716EFDBBE033925AFEAA" authorityName="Holmes &amp; Yee &amp; Krause" authorityYear="2005" box="[607,769,328,350]" class="Echinoidea" family="Maretiidae" genus="Murraypneustes" kingdom="Animalia" order="Spatangoida" pageId="2" pageNumber="93" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE990B716EFDBBE033925AFEAA" box="[607,769,328,350]" italics="true" pageId="2" pageNumber="93">Murraypneustes</emphasis>
</taxonomicName>
is distinguished by its centrally depressed aboral surface forming four apices (domed on
<taxonomicName id="8ED54D4F990B716EFE72E0F99341FE6C" authorityName="A. Agassiz" authorityYear="1881" box="[406,538,386,408]" class="Echinoidea" family="Eurypatagidae" genus="Linopneustes" kingdom="Animalia" order="Spatangoida" pageId="2" pageNumber="93" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE990B716EFE72E0F99341FE6C" box="[406,538,386,408]" italics="true" pageId="2" pageNumber="93">Linopneustes</emphasis>
</taxonomicName>
) with the highest point of the test posterior to the apical disk (anterior in
<taxonomicName id="8ED54D4F990B716EFD8BE0E493A8FE41" authorityName="A. Agassiz" authorityYear="1881" box="[623,755,415,437]" class="Echinoidea" family="Eurypatagidae" genus="Linopneustes" kingdom="Animalia" order="Spatangoida" pageId="2" pageNumber="93" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE990B716EFD8BE0E493A8FE41" box="[623,755,415,437]" italics="true" pageId="2" pageNumber="93">Linopneustes</emphasis>
</taxonomicName>
), the presence of two peripetalous fascioles and intermittent horizontal fasciole bands, two distinct sizes of small randomly spaced aboral primary tubercles, the larger restricted to the area outside the upper peripetalous fasciole, and a prominent angular subanal fasciole.
</paragraph>
<paragraph id="496A36CC990B716EFF4EE337933EFD68" blockId="2.[138,770,299,1796]" pageId="2" pageNumber="93">
Based on the same criteria, three other genera show a moderate degree of morphological similarity to
<taxonomicName id="8ED54D4F990B716EFDBDE31293A0FD8B" authorityName="Holmes &amp; Yee &amp; Krause" authorityYear="2005" box="[601,763,617,639]" class="Echinoidea" family="Maretiidae" genus="Murraypneustes" kingdom="Animalia" order="Spatangoida" pageId="2" pageNumber="93" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE990B716EFDBDE31293A0FD8B" box="[601,763,617,639]" italics="true" pageId="2" pageNumber="93">Murraypneustes</emphasis>
</taxonomicName>
, namely
<taxonomicName id="8ED54D4F990B716EFF3FE3FD9015FD68" authorityName="Koehler" authorityYear="1914" box="[219,334,646,668]" class="Echinoidea" family="Eurypatagidae" genus="Elipneustes" kingdom="Animalia" order="Spatangoida" pageId="2" pageNumber="93" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE990B716EFF3FE3FD9015FD68" box="[219,334,646,668]" italics="true" pageId="2" pageNumber="93">Elipneustes</emphasis>
</taxonomicName>
,
<taxonomicName id="8ED54D4F990B716EFEBFE3FD90E7FD68" authorityName="Lambert and Thiery" authorityYear="1915" box="[347,444,646,668]" class="Magnoliopsida" family="Asteraceae" genus="Mazzettia" kingdom="Plantae" order="Asterales" pageId="2" pageNumber="93" phylum="Tracheophyta" rank="genus">
<emphasis id="7BA1EADE990B716EFEBFE3FD90E7FD68" box="[347,444,646,668]" italics="true" pageId="2" pageNumber="93">Mazzettia</emphasis>
</taxonomicName>
, and
<taxonomicName id="8ED54D4F990B716EFE10E3FD9304FD68" authorityName="L. Agassiz" authorityYear="1847" box="[500,607,646,668]" class="Echinoidea" family="Eupatagidae" genus="Eupatagus" kingdom="Animalia" order="Spatangoida" pageId="2" pageNumber="93" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE990B716EFE10E3FD9304FD68" box="[500,607,646,668]" italics="true" pageId="2" pageNumber="93">Eupatagus</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="496A36CC990B716EFF4EE3D891A2FC92" blockId="2.[138,770,299,1796]" pageId="2" pageNumber="93">
<taxonomicName id="8ED54D4F990B716EFF4EE3D89046FD4D" authorityName="Koehler" authorityYear="1914" box="[170,285,675,697]" class="Echinoidea" family="Eurypatagidae" genus="Elipneustes" kingdom="Animalia" order="Spatangoida" pageId="2" pageNumber="93" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE990B716EFF4EE3D89046FD4D" box="[170,285,675,697]" italics="true" pageId="2" pageNumber="93">Elipneustes</emphasis>
</taxonomicName>
, however, can be distinguished by its very long, parallel-sided, open-ended, flush petals with conjugate pore pairs; single, narrow, marginally situated peripetalous fasciole; peristome situated immediately below the apical disk; small thickset plastron with minimal posterior swelling; and much larger primary tubercles scattered over all the aboral interambulacra.
</paragraph>
<paragraph id="496A36CC990B716EFF4EE216939CFBE0" blockId="2.[138,770,299,1796]" pageId="2" pageNumber="93">
<taxonomicName id="8ED54D4F990B716EFF4EE2169050FC77" authorityName="Lambert and Thiery" authorityYear="1915" box="[170,267,877,899]" class="Magnoliopsida" family="Asteraceae" genus="Mazzettia" kingdom="Plantae" order="Asterales" pageId="2" pageNumber="93" phylum="Tracheophyta" rank="genus">
<emphasis id="7BA1EADE990B716EFF4EE2169050FC77" box="[170,267,877,899]" italics="true" pageId="2" pageNumber="93">Mazzettia</emphasis>
</taxonomicName>
, a poorly known fossil genus, has an elongated heart-shaped test with a low sharp margin, very long weaklybowed petals closing distally, no recorded peripetalous fasciole and only occasionally a weak shield-shaped subanal fasciole, an elongated labrum just reaching the relatively small plastron, and random but closely spaced coarse tubercles aborally.
</paragraph>
<paragraph id="496A36CC990B716EFF4EE56090F3FA78" blockId="2.[138,770,299,1796]" pageId="2" pageNumber="93">
<taxonomicName id="8ED54D4F990B716EFF4EE5609043FBC5" authorityName="L. Agassiz" authorityYear="1847" box="[170,280,1051,1073]" class="Echinoidea" family="Eupatagidae" genus="Eupatagus" kingdom="Animalia" order="Spatangoida" pageId="2" pageNumber="93" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE990B716EFF4EE5609043FBC5" box="[170,280,1051,1073]" italics="true" pageId="2" pageNumber="93">Eupatagus</emphasis>
</taxonomicName>
, although possessing well developed peripetalous and subanal fascioles is easily categorised by its lack of an anterior sulcus, predominately short lanceolate closed petals, primary tubercles of varying density restricted to the area within the peripetalous fasciole in aboral interlambracra 14, and very small evenly spaced tubercles distally over the remainder of the aboral surface. Comparison of other features is difficult because of variability among the very large number of described species. In particular, the eight Australian fossil species vary considerably in profile, are generally more rounded, and have an extremely wide range of primary tubercle densities when compared with the
<typeStatus id="966E886E990B716EFE10E4229344FA9B" box="[500,543,1369,1391]" pageId="2" pageNumber="93">type</typeStatus>
species on which the generic description is based.
</paragraph>
<paragraph id="496A36CC990B716EFF4EE4E99387FA16" blockId="2.[138,770,299,1796]" pageId="2" pageNumber="93">
Two other genera,
<taxonomicName id="8ED54D4F990B716EFE81E4E890BBFA5D" authorityName="Grube" authorityYear="1865" box="[357,480,1427,1449]" class="Echinoidea" family="Eurypatagidae" genus="Platybrissus" kingdom="Animalia" order="Spatangoida" pageId="2" pageNumber="93" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE990B716EFE81E4E890BBFA5D" box="[357,480,1427,1449]" italics="true" pageId="2" pageNumber="93">Platybrissus</emphasis>
</taxonomicName>
and
<taxonomicName id="8ED54D4F990B716EFDF5E4E893CBFA5D" authorityName="Mortensen" authorityYear="1948" box="[529,656,1427,1449]" class="Echinoidea" family="Eurypatagidae" genus="Eurypatagus" kingdom="Animalia" order="Spatangoida" pageId="2" pageNumber="93" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE990B716EFDF5E4E893CBFA5D" box="[529,656,1427,1449]" italics="true" pageId="2" pageNumber="93">Eurypatagus</emphasis>
</taxonomicName>
, are distinguished by their complete lack of fascioles, although the former may have a subanal fasciole present in juvenile specimens.
</paragraph>
<paragraph id="496A36CC990B716EFF4EE4929184F987" blockId="2.[138,770,299,1796]" pageId="2" pageNumber="93">
<taxonomicName id="8ED54D4F990B716EFF4EE492904DFA0B" authorityName="Lambert and Sanchez Roig" authorityYear="1924" box="[170,278,1513,1535]" class="Echinoidea" family="Macropneustidae" genus="Lajanaster" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Spatangoida" pageId="2" pageNumber="93" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE990B716EFF4EE492904DFA0B" box="[170,278,1513,1535]" italics="true" pageId="2" pageNumber="93">Lajanaster</emphasis>
</taxonomicName>
, although depressed aborally, has no anterior sulcus, a relatively sharp ambitus, a markedly narrow plaston, and primary tubercles confined to the posterior column of anterior and lateral interambulacra within the peripetalous fasciole.
</paragraph>
<paragraph id="496A36CC990B716EFF4EE70193C1F8F0" blockId="2.[138,770,299,1796]" pageId="2" pageNumber="93">
<taxonomicName id="8ED54D4F990B716EFF4EE7019019F964" authorityName="H. L. Clark" authorityYear="1923" box="[170,322,1658,1680]" class="Echinoidea" family="Maretiidae" genus="Spatagobrissus" kingdom="Animalia" order="Spatangoida" pageId="2" pageNumber="93" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE990B716EFF4EE7019019F964" box="[170,322,1658,1680]" italics="true" pageId="2" pageNumber="93">Spatagobrissus</emphasis>
</taxonomicName>
was included in the comparative analysis, primarily as a new species of the genus occurs at the same locality (
<collectionCode id="2FC4AE09990B716EFF07E7CF9059F93E" box="[227,258,1716,1738]" country="Czech Republic" name="Západoceské muzeum v Plzni" pageId="2" pageNumber="93" type="Museum">PL</collectionCode>
3203) as
<taxonomicName id="8ED54D4F990B716EFEBAE7CF935BF93E" authorityName="Holmes &amp; Yee &amp; Krause" authorityYear="2005" box="[350,512,1716,1738]" class="Echinoidea" family="Maretiidae" genus="Murraypneustes" kingdom="Animalia" order="Spatangoida" pageId="2" pageNumber="93" phylum="Echinodermata" rank="genus">
<emphasis id="7BA1EADE990B716EFEBAE7CF935BF93E" box="[350,512,1716,1738]" italics="true" pageId="2" pageNumber="93">Murraypneustes</emphasis>
</taxonomicName>
. In most respects the former is very similar to
<taxonomicName id="8ED54D4F990B716EFE80E7AA9097F913" authorityName="L. Agassiz" authorityYear="1847" box="[356,460,1745,1767]" class="Echinoidea" family="Eupatagidae" genus="Eupatagus" kingdom="Animalia" order="Spatangoida" pageId="2" pageNumber="95" phylum="Echinodermata" rank="genus">Eupatagus</taxonomicName>
but has shorter petals and only small tubercles over the whole of the aboral surface.
</paragraph>
</subSubSection>
</treatment>
</document>