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<document id="BF6CA280A7424262CB349C0F2CD04A7D" ID-CLB-Dataset="21841" ID-DOI="10.5852/ejt.2012.12" ID-GBIF-Dataset="5217c4a1-a0dd-478e-bd0c-95df35bad69b" ID-ISSN="2118-9773" ID-Zenodo-Dep="3857751" IM.bibliography_approvedBy="juliana" IM.materialsCitations_approvedBy="juliana" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="juliana" IM.taxonomicNames_approvedBy="juliana" IM.treatmentCitations_approvedBy="juliana" IM.treatments_approvedBy="juliana" checkinTime="1590516617597" checkinUser="carolina" docAuthor="Oliver, P. Graham" docDate="2012" docId="546087F47C55FFF1877A26EEFC70FCC0" docLanguage="en" docName="ejt-2012-12.pdf.imf" docOrigin="European Journal of Taxonomy 12" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Syssitomya pourtalesiana Oliver 2012, sp. nov." docType="treatment" docVersion="11" lastPageNumber="18" masterDocId="A859FF8C7C58FFE08535240CFFB0FFB5" masterDocTitle="Taxonomy of some Galeommatoidea (Mollusca, Bivalvia) associated with deep-sea echinoids: A reassessment of the bivalve genera Axinodon Verrill &amp; Bush, 1898 and Kelliola Dall, 1899 with descriptions of new genera Syssitomya gen. nov. and Ptilomyax gen. nov." masterLastPageNumber="24" masterPageNumber="1" pageNumber="14" updateTime="1736532211476" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-3.0" zenodo-license-figures="CC-BY-3.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="8E39B749385EEB9A30AAE5880818BAF8">Taxonomy of some Galeommatoidea (Mollusca, Bivalvia) associated with deep-sea echinoids: A reassessment of the bivalve genera Axinodon Verrill &amp; Bush, 1898 and Kelliola Dall, 1899 with descriptions of new genera Syssitomya gen. nov. and Ptilomyax gen. nov.</mods:title>
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<mods:namePart id="33F132D12F431C98BD6BFEF2CC3E706D">Oliver, P. Graham</mods:namePart>
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<treatment id="546087F47C55FFF1877A26EEFC70FCC0" ID-DOI="http://doi.org/10.5281/zenodo.3858680" ID-GBIF-Taxon="164302131" ID-Zenodo-Dep="3858680" LSID="urn:lsid:plazi:treatment:546087F47C55FFF1877A26EEFC70FCC0" httpUri="http://treatment.plazi.org/id/546087F47C55FFF1877A26EEFC70FCC0" lastPageId="17" lastPageNumber="18" pageId="13" pageNumber="14" scope_class="Bivalvia" scope_family="Montacutidae" scope_phylum="Mollusca" scope_superFamily="Galeommatoidea">
<subSubSection id="94D365697C55FFED877A26EEFC55FD49" box="[591,997,737,764]" pageId="13" pageNumber="14" type="nomenclature">
<paragraph id="DC7636E27C55FFED877A26EEFC55FD49" blockId="13.[591,997,737,802]" box="[591,997,737,764]" pageId="13" pageNumber="14">
<heading id="873E818E7C55FFED877A26EEFC55FD49" box="[591,997,737,764]" centered="true" fontSize="11" level="2" pageId="13" pageNumber="14" reason="2">
<taxonomicName id="1BC94D617C55FFED877A26EEFC32FD49" ID-CoL="5448L" authority="Oliver, 2012" authorityName="Oliver" authorityYear="2012" box="[591,898,737,764]" class="Bivalvia" family="Lasaeidae" genus="Syssitomya" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="13" pageNumber="14" phylum="Mollusca" rank="species" species="pourtalesiana" status="sp. nov.">
<emphasis id="EEBDEAF07C55FFED877A26EEFC32FD49" bold="true" box="[591,898,737,764]" italics="true" pageId="13" pageNumber="14">Syssitomya pourtalesiana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="F58E578B7C55FFED86BF26EEFC55FD49" box="[906,997,738,764]" pageId="13" pageNumber="14" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
</paragraph>
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<subSubSection id="94D365697C55FFED8791270BFC3FFC94" box="[676,911,775,802]" pageId="13" pageNumber="14" type="description">
<paragraph id="DC7636E27C55FFED8791270BFC3FFC94" blockId="13.[591,997,737,802]" box="[676,911,775,802]" pageId="13" pageNumber="14">
<figureCitation id="44F22A677C55FFED8791270BFC94FC97" box="[676,804,775,802]" captionStart="Fig" captionStartId="10.[189,232,1895,1921]" captionTargetBox="[189,1399,630,1853]" captionTargetId="figure@10.[189,1399,630,1853]" captionTargetPageId="10" captionText="Fig. 4. Scanning electron micrographs of anatomy. A. K. symmetros (Jeffreys, 1876) from Biscay. B. Syssitomya pourtalesiana sp. nov. from Norwegian Sea. C. Montacuta substriata (Montagu, 1808) from North Sea. D. Excised ctenidium of M. substriata. E. Excised piece of ctenidium from S. pourtalesiana sp. nov." figureDoi="http://doi.org/10.5281/zenodo.3857759" httpUri="https://zenodo.org/record/3857759/files/figure.png" pageId="13" pageNumber="14">Figs 4B, E</figureCitation>
;
<figureCitation id="44F22A677C55FFED86042704FCF2FC97" box="[817,834,776,802]" captionStart="Fig" captionStartId="14.[189,232,1895,1921]" captionTargetBox="[192,1396,265,1854]" captionTargetId="figure@14.[192,1396,265,1854]" captionTargetPageId="14" captionText="Fig. 7. Syssitomya pourtalesiana sp. nov. from Norwegian Sea. A-C. Photo micrographs a external of left valve, internals of both valves. D-E. SEM of hinges of right and left valves. F-G. SEM of internal of both valves. H. SEM of prodissoconch. I. SEM of internal of right valve from NORBI cruise, abyssal, Courtesy of Anders Warén." figureDoi="http://doi.org/10.5281/zenodo.3857765" httpUri="https://zenodo.org/record/3857765/files/figure.png" pageId="13" pageNumber="14">7</figureCitation>
,
<figureCitation id="44F22A677C55FFED867B270BFCEBFC94" box="[846,859,775,801]" captionStart="Fig" captionStartId="15.[189,232,1930,1956]" captionTargetBox="[189,1399,951,1890]" captionTargetId="figure@15.[189,1399,951,1890]" captionTargetPageId="15" captionText="Fig. 8. Computer enhanced photomicrographs of whole specimens of Syssitomya pourtalesiana sp. nov. from the Norwegian Sea. A-A2. Holotype A. Exterior from right side. A1. Dorsal. A2. Ventral. B. Paratypes, size series." figureDoi="http://doi.org/10.5281/zenodo.3857767" httpUri="https://zenodo.org/record/3857767/files/figure.png" pageId="13" pageNumber="14">8</figureCitation>
A-B
</paragraph>
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<subSubSection id="94D365697C55FFED85882747FCE5FBD8" pageId="13" pageNumber="14" type="reference_group">
<paragraph id="DC7636E27C55FFED85882747FCC6FCD0" blockId="13.[189,987,843,983]" box="[189,886,843,870]" pageId="13" pageNumber="14">
<treatmentCitationGroup id="FCD911CC7C55FFED85882747FCC6FCD0" box="[189,886,843,870]" pageId="13" pageNumber="14">
?
<taxonomicName id="1BC94D617C55FFED85E42747FE2CFCD0" ID-CoL="3R4ZK" authorityName="Jeffreys" authorityYear="1876" box="[209,412,843,869]" class="Bivalvia" family="Lasaeidae" genus="Kellia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="13" pageNumber="14" phylum="Mollusca" rank="species" species="symmetros">
<emphasis id="EEBDEAF07C55FFED85E42747FE2CFCD0" box="[209,412,843,869]" italics="true" pageId="13" pageNumber="14">Kellia symmetros</emphasis>
</taxonomicName>
<treatmentCitation id="5D6810F37C55FFED848F2747FD3EFCD0" author="Locard A." box="[442,654,843,869]" page="297" pageId="13" pageNumber="14" year="1898">
<bibRefCitation id="B8584B137C55FFED848F2747FD3EFCD0" author="Locard" box="[442,654,843,869]" firstAuthor="Locard" pageId="13" pageNumber="14" refId="ref9556" refString="Locard A. 1898. Expeditions Scientifiques du Travailleur et du Talisman pendant les annees 1880, 1811, 1882, 1883. Mollusques Testaces 2. Masson, Paris. http: // dx. doi. org / 10.5962 / bhl. title. 10477" type="journal volume" year="1898">Locard 1898: 297</bibRefCitation>
</treatmentCitation>
, pl.XIII, figs 18-20.
</treatmentCitationGroup>
</paragraph>
<paragraph id="DC7636E27C55FFED8588277DFD6DFC3E" blockId="13.[189,987,843,983]" box="[189,733,881,907]" pageId="13" pageNumber="14">
<treatmentCitationGroup id="FCD911CC7C55FFED8588277DFD6DFC3E" box="[189,733,881,907]" pageId="13" pageNumber="14">
?
<taxonomicName id="1BC94D617C55FFED85E4277DFE2CFC3E" ID-CoL="3R4ZK" authorityName="Jeffreys" authorityYear="1876" box="[209,412,881,907]" class="Bivalvia" family="Lasaeidae" genus="Kellia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="13" pageNumber="14" phylum="Mollusca" rank="species" species="symmetros">
<emphasis id="EEBDEAF07C55FFED85E4277DFE2CFC3E" box="[209,412,881,907]" italics="true" pageId="13" pageNumber="14">Kellia symmetros</emphasis>
</taxonomicName>
<treatmentCitation id="5D6810F37C55FFED848F277DFD69FC3E" author="Friele H. &amp; Grieg J. A." box="[442,729,881,907]" page="29" pageId="13" pageNumber="14" year="1901">
<bibRefCitation id="B8584B137C55FFED848F277DFD69FC3E" author="Friele &amp; Grieg" box="[442,729,881,907]" firstAuthor="Friele" pageId="13" pageNumber="14" refId="ref8997" refString="Friele H. &amp; Grieg J. A. 1901. The Norwegian North-Atlantic Expedition 1876 - 1878. Vol. VII: Zoology, Mollusca III. Grondhal &amp; sons, Christiana. http: // dx. doi. org / 10.5962 / bhl. title. 2168" type="book" year="1901">Friele &amp; Grieg 1901: 29</bibRefCitation>
</treatmentCitation>
.
</treatmentCitationGroup>
</paragraph>
<paragraph id="DC7636E27C55FFED8588279AFC6BFC04" blockId="13.[189,987,843,983]" box="[189,987,918,945]" pageId="13" pageNumber="14">
<treatmentCitationGroup id="FCD911CC7C55FFED8588279AFC6BFC04" box="[189,987,918,945]" pageId="13" pageNumber="14">
<taxonomicName id="1BC94D617C55FFED8588279AFE01FC05" authorityName="Verrill &amp; Bush" authorityYear="1898" box="[189,433,918,944]" class="Bivalvia" family="Thyasiridae" genus="Axinodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="13" pageNumber="14" phylum="Mollusca" rank="species" species="symmetros">
<emphasis id="EEBDEAF07C55FFED8588279AFE01FC05" box="[189,433,918,944]" italics="true" pageId="13" pageNumber="14">Axinodon symmetros</emphasis>
</taxonomicName>
<treatmentCitation id="5D6810F37C55FFED84FB279AFCE7FC05" author="Bouchet P. &amp; Waren A." box="[462,855,918,945]" page="216" pageId="13" pageNumber="14" year="1979">
<bibRefCitation id="B8584B137C55FFED84FB279AFCE7FC05" author="Bouchet &amp; Waren" box="[462,855,918,945]" firstAuthor="Bouchet" pageId="13" pageNumber="14" pagination="211 - 243" refId="ref8392" refString="Bouchet P. &amp; Waren A. 1979. The abyssal molluscan fauna of the Norwegian Sea and its relation to other faunas. Sarsia 64 (3): 211 - 243." type="journal article" year="1979">Bouchet &amp; Warén 1979: 216-217</bibRefCitation>
</treatmentCitation>
, fig. 3A-D.
</treatmentCitationGroup>
</paragraph>
<paragraph id="DC7636E27C55FFED858827B1FCDEFC63" blockId="13.[189,987,843,983]" box="[189,878,956,983]" pageId="13" pageNumber="14">
<treatmentCitationGroup id="FCD911CC7C55FFED858827B1FCDEFC63" box="[189,878,956,983]" pageId="13" pageNumber="14">
<taxonomicName id="1BC94D617C55FFED858827B1FDFBFC63" box="[189,587,956,983]" class="Bivalvia" family="Lasaeidae" genus="Montacuta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="13" pageNumber="14" phylum="Mollusca" rank="species" species="symmetros" subGenus="Axinodon">
<emphasis id="EEBDEAF07C55FFED858827B1FE8CFC63" box="[189,316,957,982]" italics="true" pageId="13" pageNumber="14">Montacuta</emphasis>
(
<emphasis id="EEBDEAF07C55FFED847827B0FE0DFC63" box="[333,445,956,982]" italics="true" pageId="13" pageNumber="14">Axinodon</emphasis>
)
<emphasis id="EEBDEAF07C55FFED84FA27B1FDFBFC63" box="[463,587,957,982]" italics="true" pageId="13" pageNumber="14">symmetros</emphasis>
</taxonomicName>
<treatmentCitation id="5D6810F37C55FFED875D27B0FCDAFC63" author="Gage J. D. &amp; Billett D. S. M. &amp; Jensen M. &amp; Tyler P. A." box="[616,874,956,983]" page="189" pageId="13" pageNumber="14" year="1985">
<bibRefCitation id="B8584B137C55FFED875D27B0FCDAFC63" author="Gage" box="[616,874,956,983]" etAl="et al." firstAuthor="Gage" pageId="13" pageNumber="14" pagination="173 - 213" refId="ref9212" refString="Gage J. D., Billett D. S. M., Jensen M. &amp; Tyler P. A. 1985. Echinoderms of the Rockall Trough and adjacent areas 2. Echinoidea and Holothurioidea. Bulletin of the British Museum of Natural History (Zoology) 48 (4): 173 - 213." type="journal article" year="1985">
Gage
<emphasis id="EEBDEAF07C55FFED879827B1FD59FC63" box="[685,745,956,982]" italics="true" pageId="13" pageNumber="14">et al.</emphasis>
1985: 189
</bibRefCitation>
</treatmentCitation>
.
</treatmentCitationGroup>
</paragraph>
<paragraph id="DC7636E27C55FFED85882004FD73FB97" blockId="13.[189,1331,1032,1134]" box="[189,707,1032,1058]" pageId="13" pageNumber="14">
<treatmentCitationGroup id="FCD911CC7C55FFED85882004FD73FB97" box="[189,707,1032,1058]" pageId="13" pageNumber="14">
Not
<taxonomicName id="1BC94D617C55FFED85C52004FE54FB94" authorityName="Verrill &amp; Bush" authorityYear="1898" box="[240,484,1032,1058]" class="Bivalvia" family="Thyasiridae" genus="Axinodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="13" pageNumber="14" phylum="Mollusca" rank="species" species="symmetros">
<emphasis id="EEBDEAF07C55FFED85C52004FE54FB94" box="[240,484,1032,1058]" italics="true" pageId="13" pageNumber="14">Axinodon symmetros</emphasis>
</taxonomicName>
<treatmentCitation id="5D6810F37C55FFED87342004FD70FB97" author="Waren A." box="[513,704,1032,1058]" page="47" pageId="13" pageNumber="14" year="1980">
<bibRefCitation id="B8584B137C55FFED87342004FD70FB97" author="Waren" box="[513,704,1032,1058]" firstAuthor="Waren" pageId="13" pageNumber="14" refId="ref10281" refString="Waren A. 1980. Marine Mollusca described by John Gwyn Jeffreys, with the location of the type material. Special Publication 1, Conchological Society of Great Britain and Ireland." type="book" year="1980">Warén 1980: 47</bibRefCitation>
</treatmentCitation>
.
</treatmentCitationGroup>
</paragraph>
<paragraph id="DC7636E27C55FFED85882022FA83FBF2" blockId="13.[189,1331,1032,1134]" box="[189,1331,1069,1096]" pageId="13" pageNumber="14">
<treatmentCitationGroup id="FCD911CC7C55FFED85882022FCA6FBFD" box="[189,790,1069,1096]" pageId="13" pageNumber="14">
Not
<taxonomicName id="1BC94D617C55FFED85C52021FE54FBF2" authorityName="Verrill &amp; Bush" authorityYear="1898" box="[240,484,1069,1095]" class="Bivalvia" family="Thyasiridae" genus="Axinodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="13" pageNumber="14" phylum="Mollusca" rank="species" species="symmetros">
<emphasis id="EEBDEAF07C55FFED85C52021FE54FBF2" box="[240,484,1069,1095]" italics="true" pageId="13" pageNumber="14">Axinodon symmetros</emphasis>
</taxonomicName>
<treatmentCitation id="5D6810F37C55FFED87352021FD7DFBF2" author="Aartsen J. J. van" box="[512,717,1069,1095]" page="30" pageId="13" pageNumber="14" year="1996">
<bibRefCitation id="B8584B137C55FFED87352021FD7DFBF2" author="Aartsen" box="[512,717,1069,1095]" firstAuthor="Aartsen" pageId="13" pageNumber="14" pagination="27 - 53" refId="ref8206" refString="Aartsen J. J. van. 1996. Galeommatacea &amp; Cyamiacea Part II. La Conchiglia 281: 27 - 53." type="journal article" year="1996">Aartsen 1996: 30</bibRefCitation>
</treatmentCitation>
, fig. 5
</treatmentCitationGroup>
(is
<taxonomicName id="1BC94D617C55FFED86742021FA96FBF2" authority="Verrill &amp; Bush, 1898" authorityName="Verrill &amp; Bush" authorityYear="1898" box="[833,1318,1069,1095]" class="Bivalvia" family="Thyasiridae" genus="Axinodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="13" pageNumber="14" phylum="Mollusca" rank="species" species="ellipticus">
<emphasis id="EEBDEAF07C55FFED86742021FB95FBF2" box="[833,1061,1069,1095]" italics="true" pageId="13" pageNumber="14">Axinodon ellipticus</emphasis>
<bibRefCitation id="B8584B137C55FFED811E2021FA96FBF2" author="Verrill &amp; Bush" box="[1067,1318,1069,1095]" firstAuthor="Verrill" pageId="13" pageNumber="14" pagination="776 - 901" refId="ref10206" refString="Verrill A. E. &amp; Bush K. J. 1898. Revision of the deep-water Mollusca of the Atlantic coast of North America, with descriptions of new genera and species. Part I. - Bivalvia. Proceedings of the United States National Museum 20 (1139): 776 - 901, pls lxxi-xcvii. http: // dx. doi. org / 10.5962 / bhl. title. 1706" type="journal article" year="1898">Verrill &amp; Bush, 1898</bibRefCitation>
</taxonomicName>
).
</paragraph>
<paragraph id="DC7636E27C55FFED8588205FFCE5FBD8" blockId="13.[189,1331,1032,1134]" box="[189,853,1107,1134]" pageId="13" pageNumber="14">
<treatmentCitationGroup id="FCD911CC7C55FFED8588205FFD23FBD8" box="[189,659,1107,1134]" pageId="13" pageNumber="14">
Not
<taxonomicName id="1BC94D617C55FFED85C5205FFED0FBD8" authorityName="Verrill &amp; Bush" authorityYear="1898" box="[240,352,1107,1133]" class="Bivalvia" family="Thyasiridae" genus="Axinodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="13" pageNumber="14" phylum="Mollusca" rank="genus">
<emphasis id="EEBDEAF07C55FFED85C5205FFED0FBD8" box="[240,352,1107,1133]" italics="true" pageId="13" pageNumber="14">Axinodon</emphasis>
</taxonomicName>
sp.1
<treatmentCitation id="5D6810F37C55FFED8480205FFD23FBD8" author="Olabarria C." box="[437,659,1107,1134]" page="20" pageId="13" pageNumber="14" year="2005">
<bibRefCitation id="B8584B137C55FFED8480205FFD23FBD8" author="Olabarria" box="[437,659,1107,1134]" firstAuthor="Olabarria" pageId="13" pageNumber="14" pagination="15 - 31" refId="ref9788" refString="Olabarria C. 2005. Patterns of bathymetric zonation of bivalves in the Porcupine Seabight and adjacent Abyssal plain, NE Atlantic. Deep-Sea Research Part I: Oceanographic Research Papers 52 (1): 15 - 31. http: // dx. doi. org / 10.1016 / j. dsr. 2004.09.005" type="journal article" year="2005">Olabarria 2005: 20</bibRefCitation>
</treatmentCitation>
</treatmentCitationGroup>
(is
<taxonomicName id="1BC94D617C55FFED878A205FFCACFBD8" authorityName="Angas" authorityYear="1877" box="[703,796,1107,1133]" class="Bivalvia" family="Lasaeidae" genus="Mysella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="13" pageNumber="14" phylum="Mollusca" rank="genus">
<emphasis id="EEBDEAF07C55FFED878A205FFCACFBD8" box="[703,796,1107,1133]" italics="true" pageId="13" pageNumber="14">Mysella</emphasis>
</taxonomicName>
sp.).
</paragraph>
</subSubSection>
<subSubSection id="94D365697C55FFED85882093FA90FB5C" box="[189,1312,1183,1258]" pageId="13" pageNumber="14" type="etymology">
<paragraph id="DC7636E27C55FFED85882093FEF4FB0C" blockId="13.[189,324,1183,1209]" box="[189,324,1183,1209]" pageId="13" pageNumber="14">
<heading id="873E818E7C55FFED85882093FEF4FB0C" bold="true" box="[189,324,1183,1209]" fontSize="11" level="3" pageId="13" pageNumber="14" reason="3">
<emphasis id="EEBDEAF07C55FFED85882093FEF4FB0C" bold="true" box="[189,324,1183,1209]" pageId="13" pageNumber="14">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="DC7636E27C55FFED858820C3FA90FB5C" blockId="13.[189,1312,1231,1258]" box="[189,1312,1231,1258]" pageId="13" pageNumber="14">
After
<taxonomicName id="1BC94D617C55FFED843720C3FE3BFB5C" authorityName="A. Agassiz" authorityYear="1869" box="[258,395,1231,1257]" class="Echinoidea" family="Pourtalesiidae" genus="Pourtalesia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spatangoida" pageId="13" pageNumber="14" phylum="Echinodermata" rank="genus">
<emphasis id="EEBDEAF07C55FFED843720C3FE3BFB5C" box="[258,395,1231,1257]" italics="true" pageId="13" pageNumber="14">Pourtalesia</emphasis>
</taxonomicName>
, the host echinoid; and the Latin termination
<emphasis id="EEBDEAF07C55FFED868420DCFC55FB5C" box="[945,997,1232,1257]" italics="true" pageId="13" pageNumber="14">iana</emphasis>
, to denote belonging with.
</paragraph>
</subSubSection>
<subSubSection id="94D365697C55FFED8588213DFC4CF85E" pageId="13" pageNumber="14" type="materials_examined">
<paragraph id="DC7636E27C55FFED8588213DFE1AFAFE" blockId="13.[189,426,1329,1355]" box="[189,426,1329,1355]" pageId="13" pageNumber="14">
<heading id="873E818E7C55FFED8588213DFE1AFAFE" bold="true" box="[189,426,1329,1355]" fontSize="11" level="3" pageId="13" pageNumber="14" reason="3">
<emphasis id="EEBDEAF07C55FFED8588213DFE1AFAFE" bold="true" box="[189,426,1329,1355]" pageId="13" pageNumber="14">Material examined</emphasis>
</heading>
</paragraph>
<materialsCitation id="6CA13CBF7C55FFED85DF216FFBB6FA7C" ID-GBIF-Occurrence="2625650302" collectionCode="SMNH" country="Norway" elevation="870" latitude="63.783333" location="Ormen Lange" longLatPrecision="1011" longitude="3.5833333" municipality="Central" pageId="13" pageNumber="14" specimenCode="SMNH5566" specimenCount="1" stateProvince="Sor-Trondelag" typeStatus="holotype">
<paragraph id="DC7636E27C55FFED85DF216FFEECFAC8" blockId="13.[189,1398,1379,1481]" box="[234,348,1379,1405]" pageId="13" pageNumber="14">
<emphasis id="EEBDEAF07C55FFED85DF216FFEECFAC8" bold="true" box="[234,348,1379,1405]" pageId="13" pageNumber="14">
<typeStatus id="037288407C55FFED85DF216FFEECFAC8" box="[234,348,1379,1405]" pageId="13" pageNumber="14" type="holotype">Holotype</typeStatus>
</emphasis>
</paragraph>
<paragraph id="DC7636E27C55FFED85882184FBB6FA7C" blockId="13.[189,1398,1379,1481]" pageId="13" pageNumber="14">
<specimenCount id="CACFFD6B7C55FFED85882184FEFAFA17" box="[189,330,1416,1442]" count="1" pageId="13" pageNumber="14" type="generic">1 specimen</specimenCount>
,
<locationDeviation id="CDC42FC07C55FFED846E2184FDA6FA17" box="[347,534,1416,1442]" pageId="13" pageNumber="14">Norwegian Sea</locationDeviation>
,
<location id="D91660397C55FFED871D2184FD7FFA16" LSID="urn:lsid:plazi:treatment:546087F47C55FFF1877A26EEFC70FCC0:D91660397C55FFED871D2184FD7FFA16" box="[552,719,1416,1443]" country="Norway" county="Swedish Museum of Natural History" latitude="63.783333" longLatPrecision="1011" longitude="3.5833333" municipality="Central" name="Ormen Lange" pageId="13" pageNumber="14" stateProvince="Sor-Trondelag">Ormen Lange</location>
gas field, off
<collectingRegion id="1E0DF8007C55FFED86B02184FB82FA17" box="[901,1074,1416,1442]" country="Norway" name="Sor-Trondelag" pageId="13" pageNumber="14">Sør-Trøndelag</collectingRegion>
,
<locationDeviation id="CDC42FC07C55FFED81772184FB28FA17" box="[1090,1176,1416,1442]" pageId="13" pageNumber="14">Central</locationDeviation>
<collectingCountry id="A4DE76727C55FFED81902185FAB5FA16" box="[1189,1285,1417,1443]" name="Norway" pageId="13" pageNumber="14">Norway</collectingCountry>
,
<geoCoordinate id="B9FD50257C55FFED80202184FAC6FA17" box="[1301,1398,1416,1442]" degrees="63" direction="north" minutes="47" orientation="latitude" pageId="13" pageNumber="14" precision="925" value="63.783333">63°47'N</geoCoordinate>
<geoCoordinate id="B9FD50257C55FFED858821A2FEADFA7C" box="[189,285,1454,1481]" degrees="03" direction="east" minutes="35" orientation="longitude" pageId="13" pageNumber="14" precision="925" value="3.5833333">03°35'E</geoCoordinate>
,
<quantity id="1B319B077C55FFED841C21A2FE1BFA7D" box="[297,427,1454,1481]" metricMagnitude="2" metricUnit="m" metricValue="8.7" metricValueMax="9.25" metricValueMin="8.15" pageId="13" pageNumber="14" unit="m" value="870.0" valueMax="925.0" valueMin="815.0">
<elevation id="57E4D1D17C55FFED841C21A2FE1BFA7D" box="[297,427,1454,1481]" metricMagnitude="2" metricUnit="m" metricValue="8.7" metricValueMax="9.25" metricValueMin="8.15" pageId="13" pageNumber="14" unit="m" value="870.0" valueMax="925.0" valueMin="815.0">815-925 m</elevation>
</quantity>
, Swedish Museum of Natural History
<specimenCode id="8C6F9E997C55FFED865A21A2FBB2FA7C" box="[879,1026,1454,1481]" collectionCode="SMNH" country="Sweden" httpUri="http://grbio.org/cool/8z6v-f8is" name="Department of Paleozoology, Swedish Museum of Natural History" pageId="13" pageNumber="14">SMNH5566</specimenCode>
.
</paragraph>
</materialsCitation>
<materialsCitation id="6CA13CBF7C55FFED85DF21FEFAD0F987" ID-GBIF-Occurrence="5004498303" collectionCode="SMNH" country="Norway" elevation="870" latitude="63.783333" location="Ormen Lange" longLatPrecision="1011" longitude="3.5833333" municipality="Central" pageId="13" pageNumber="14" specimenCode="SMNH5567" specimenCount="7" stateProvince="Sor-Trondelag" typeStatus="paratype">
<paragraph id="DC7636E27C55FFED85DF21FEFED7F9B9" blockId="13.[189,1399,1522,1624]" box="[234,359,1522,1548]" pageId="13" pageNumber="14">
<emphasis id="EEBDEAF07C55FFED85DF21FEFED7F9B9" bold="true" box="[234,359,1522,1548]" pageId="13" pageNumber="14">
<typeStatus id="037288407C55FFED85DF21FEFED7F9B9" box="[234,359,1522,1548]" pageId="13" pageNumber="14" type="paratype">Paratypes</typeStatus>
</emphasis>
</paragraph>
<paragraph id="DC7636E27C55FFED85882214FB8CF9E2" blockId="13.[189,1399,1522,1624]" pageId="13" pageNumber="14">
Same recolt data as for the holotype:
<specimenCount id="CACFFD6B7C55FFED87462214FCB6F984" box="[627,774,1559,1586]" count="7" pageId="13" pageNumber="14" type="generic">7 specimens</specimenCount>
, Swedish Museum of Natural History
<specimenCode id="8C6F9E997C55FFED81FC221BFAECF987" box="[1225,1372,1559,1586]" pageId="13" pageNumber="14">SMNH5567</specimenCode>
;
<materialsCitation id="6CA13CBF7C55FFED805D2214FB8CF9E2" ID-GBIF-Occurrence="5004498305" collectionCode="NMW. Z" country="Norway" elevation="870" latitude="63.783333" location="Ormen Lange" longLatPrecision="1011" longitude="3.5833333" municipality="Central" pageId="13" pageNumber="14" specimenCode="2012.014" specimenCount="3" stateProvince="Sor-Trondelag" typeStatus="paratype">
<specimenCount id="CACFFD6B7C55FFED805D2214FE9CF9E2" count="1" pageId="13" pageNumber="14" type="generic">1 specimen</specimenCount>
+
<specimenCount id="CACFFD6B7C55FFED847E2231FEEAF9E2" box="[331,346,1597,1623]" pageId="13" pageNumber="14">2</specimenCount>
shells, National Museum Wales, Zoology-
<collectionCode id="BAD8AE277C55FFED86632232FC70F9E2" box="[854,960,1597,1624]" pageId="13" pageNumber="14">NMW. Z</collectionCode>
.
<specimenCode id="8C6F9E997C55FFED86F62231FB88F9E2" box="[963,1080,1597,1623]" pageId="13" pageNumber="14">2012.014</specimenCode>
.
</materialsCitation>
</paragraph>
</materialsCitation>
<paragraph id="DC7636E27C55FFED85DF228DFE16F92E" blockId="13.[189,1399,1665,1843]" box="[234,422,1665,1691]" pageId="13" pageNumber="14">
<emphasis id="EEBDEAF07C55FFED85DF228DFE16F92E" bold="true" box="[234,422,1665,1691]" pageId="13" pageNumber="14">Other material</emphasis>
</paragraph>
<paragraph id="DC7636E27C55FFED858822ABFEF9F886" blockId="13.[189,1399,1665,1843]" pageId="13" pageNumber="14">
<specimenCount id="CACFFD6B7C55FFED858822ABFEE2F974" box="[189,338,1703,1729]" pageId="13" pageNumber="14" type="generic">8 specimens</specimenCount>
, Rockall Trough, RRS
<emphasis id="EEBDEAF07C55FFED875C22ABFD5DF974" box="[617,749,1703,1729]" italics="true" pageId="13" pageNumber="14">Challenger</emphasis>
, stn ES137,
<geoCoordinate id="B9FD50257C55FFED86BD22ABFC59F977" box="[904,1001,1703,1730]" degrees="54" direction="north" minutes="40" orientation="latitude" pageId="13" pageNumber="14" precision="925" value="54.666668">54°40'N</geoCoordinate>
<geoCoordinate id="B9FD50257C55FFED86C722ABFBE9F974" box="[1010,1113,1703,1729]" degrees="12" direction="west" minutes="19" orientation="longitude" pageId="13" pageNumber="14" precision="925" value="-12.316667">12°19'W</geoCoordinate>
,
<quantity id="1B319B077C55FFED815222ABFB73F974" box="[1127,1219,1703,1729]" metricMagnitude="3" metricUnit="m" metricValue="2.9" pageId="13" pageNumber="14" unit="m" value="2900.0">2900 m</quantity>
,
<date id="A87710227C55FFED81E722ABFAC1F974" box="[1234,1393,1703,1729]" pageId="13" pageNumber="14" value="1978-02-22">22 Feb. 1978</date>
, leg. I.J. Killeen
<collectionCode id="BAD8AE277C55FFED84BF22C1FE69F952" box="[394,473,1741,1767]" country="Austria" httpUri="http://grbio.org/cool/c7yt-hh77" name="Naturhistorisches Museum, Wien" pageId="13" pageNumber="14">NMW</collectionCode>
.Z. 2009.045.2;
<specimenCount id="CACFFD6B7C55FFED87AF22C0FC83F953" box="[666,819,1740,1766]" pageId="13" pageNumber="14" type="generic">6 specimens</specimenCount>
, Rockall Trough, RRS
<emphasis id="EEBDEAF07C55FFED816922C0FB54F953" box="[1116,1252,1740,1766]" italics="true" pageId="13" pageNumber="14">Challenger,</emphasis>
stn ES231,
<geoCoordinate id="B9FD50257C55FFED858822FEFEAEF8B8" box="[189,286,1778,1805]" degrees="54" direction="north" minutes="42" orientation="latitude" pageId="13" pageNumber="14" precision="925" value="54.7">54°42'N</geoCoordinate>
<geoCoordinate id="B9FD50257C55FFED841022FEFE3DF8B9" box="[293,397,1778,1804]" degrees="12" direction="west" minutes="12" orientation="longitude" pageId="13" pageNumber="14" precision="925" value="-12.2">12°12'W</geoCoordinate>
,
<quantity id="1B319B077C55FFED84AD22FEFE43F8B8" box="[408,499,1778,1805]" metricMagnitude="3" metricUnit="m" metricValue="2.898" pageId="13" pageNumber="14" unit="m" value="2898.0">2898 m</quantity>
,
<date id="A87710227C55FFED873522FEFD2FF8B9" box="[512,671,1778,1805]" pageId="13" pageNumber="14" value="1983-05-17">17 May 1983</date>
, leg. I.J. Killeen, National Museum wales, Zoology-
<collectionCode id="BAD8AE277C55FFED803B22FFFAEDF8B8" box="[1294,1373,1779,1805]" country="Austria" httpUri="http://grbio.org/cool/c7yt-hh77" name="Naturhistorisches Museum, Wien" pageId="13" pageNumber="14">NMW</collectionCode>
.Z. 2009.045.3.
</paragraph>
<paragraph id="DC7636E27C55FFED85882376FEEDF821" blockId="13.[189,349,1914,1940]" box="[189,349,1914,1940]" pageId="13" pageNumber="14">
<heading id="873E818E7C55FFED85882376FEEDF821" bold="true" box="[189,349,1914,1940]" fontSize="11" level="3" pageId="13" pageNumber="14" reason="3">
<emphasis id="EEBDEAF07C55FFED85882376FEEDF821" bold="true" box="[189,349,1914,1940]" pageId="13" pageNumber="14">Type locality</emphasis>
</heading>
</paragraph>
<paragraph id="DC7636E27C55FFED858823A7FC4CF85E" blockId="13.[189,1398,1963,2027]" pageId="13" pageNumber="14">
Norwegian Sea, Ormen Lange gas field, off
<collectingRegion id="1E0DF8007C55FFED87E023A7FC32F870" box="[725,898,1963,1989]" country="Norway" name="Sor-Trondelag" pageId="13" pageNumber="14">Sør-Trøndelag</collectingRegion>
, Central
<collectingCountry id="A4DE76727C55FFED86C523A0FBE0F873" box="[1008,1104,1964,1990]" name="Norway" pageId="13" pageNumber="14">Norway</collectingCountry>
,
<geoCoordinate id="B9FD50257C55FFED816B23A7FB74F870" box="[1118,1220,1963,1989]" degrees="63" direction="north" minutes="47" orientation="latitude" pageId="13" pageNumber="14" precision="925" value="63.783333">63°47N</geoCoordinate>
<geoCoordinate id="B9FD50257C55FFED81F823A7FA82F873" box="[1229,1330,1963,1990]" degrees="03" direction="east" minutes="35" orientation="longitude" pageId="13" pageNumber="14" precision="925" value="3.5833333">03°35E</geoCoordinate>
,
<quantity id="1B319B077C55FFED807423A7FEB9F85E" metricMagnitude="2" metricUnit="m" metricValue="8.7" metricValueMax="9.25" metricValueMin="8.15" pageId="13" pageNumber="14" unit="m" value="870.0" valueMax="925.0" valueMin="815.0">815- 925 m</quantity>
, 2009. Swedish Museum of Natural History, det. Anders Warén.
</paragraph>
</subSubSection>
<caption id="88B6666A7C56FFEE8588236BFE4CF85E" ID-DOI="http://doi.org/10.5281/zenodo.3857765" ID-Zenodo-Dep="3857765" httpUri="https://zenodo.org/record/3857765/files/figure.png" pageId="14" pageNumber="15" startId="14.[189,232,1895,1921]" targetBox="[192,1396,265,1854]" targetPageId="14">
<paragraph id="DC7636E27C56FFEE8588236BFE4CF85E" blockId="14.[189,1398,1895,2027]" pageId="14" pageNumber="15">
<emphasis id="EEBDEAF07C56FFEE8588236BFEBCF834" bold="true" box="[189,268,1895,1921]" pageId="14" pageNumber="15">Fig. 7.</emphasis>
<taxonomicName id="1BC94D617C56FFEE84212364FDF2F834" authority="Oliver, 2012" authorityName="Oliver" authorityYear="2012" box="[276,578,1895,1922]" class="Bivalvia" family="Lasaeidae" genus="Syssitomya" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="14" pageNumber="15" phylum="Mollusca" rank="species" species="pourtalesiana" status="sp. nov.">
<emphasis id="EEBDEAF07C56FFEE84212364FDF2F834" box="[276,578,1895,1922]" italics="true" pageId="14" pageNumber="15">Syssitomya pourtalesiana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="F58E578B7C56FFEE877E2364FD16F837" box="[587,678,1896,1922]" pageId="14" pageNumber="15" rank="species">sp. nov.</taxonomicNameLabel>
from Norwegian Sea.
<emphasis id="EEBDEAF07C56FFEE8680236BFC59F834" bold="true" box="[949,1001,1895,1921]" pageId="14" pageNumber="15">A-C</emphasis>
. Photo micrographs a external of left valve, internals of both valves.
<emphasis id="EEBDEAF07C56FFEE87602386FD38F811" bold="true" box="[597,648,1930,1956]" pageId="14" pageNumber="15">D-E</emphasis>
. SEM of hinges of right and left valves.
<emphasis id="EEBDEAF07C56FFEE81692386FB3FF811" bold="true" box="[1116,1167,1930,1956]" pageId="14" pageNumber="15">F-G</emphasis>
. SEM of internal of both valves.
<emphasis id="EEBDEAF07C56FFEE846623A2FEDAF87D" bold="true" box="[339,362,1966,1992]" pageId="14" pageNumber="15">H</emphasis>
. SEM of prodissoconch.
<emphasis id="EEBDEAF07C56FFEE87A223A2FD12F87D" bold="true" box="[663,674,1966,1992]" pageId="14" pageNumber="15">I</emphasis>
. SEM of internal of right valve from NORBI cruise, abyssal, Courtesy of Anders Warén.
</paragraph>
</caption>
<subSubSection id="94D365697C57FFF085882507FDBCFC55" lastPageId="16" lastPageNumber="17" pageId="15" pageNumber="16" type="description">
<paragraph id="DC7636E27C57FFEF85882507FC63FE90" blockId="15.[189,979,267,293]" box="[189,979,267,293]" pageId="15" pageNumber="16">
<heading id="873E818E7C57FFEF85882507FC63FE90" bold="true" box="[189,979,267,293]" fontSize="11" level="3" pageId="15" pageNumber="16" reason="3">
<emphasis id="EEBDEAF07C57FFEF85882507FC63FE90" bold="true" box="[189,979,267,293]" pageId="15" pageNumber="16">
Measurements (SMNH5566 and part of SMNH5567
<typeStatus id="037288407C57FFEF86782507FC7BFE90" box="[845,971,267,293]" pageId="15" pageNumber="16" type="paratype">paratypes</typeStatus>
)
</emphasis>
</heading>
</paragraph>
<paragraph id="DC7636E27C57FFEF87BF2536FBE5FEE1" blockId="15.[457,1115,314,554]" box="[650,1109,314,340]" pageId="15" pageNumber="16">Length (mm) Height (mm) L:H</paragraph>
<paragraph id="DC7636E27C57FFEF84FC2552FBEBFECD" blockId="15.[457,1115,314,554]" box="[457,1115,350,376]" pageId="15" pageNumber="16">Holotype 4.1 3.2 1.3:1</paragraph>
<paragraph id="DC7636E27C57FFEF84FC258EFBEBFE29" blockId="15.[457,1115,314,554]" box="[457,1115,386,412]" pageId="15" pageNumber="16">Paratype 3.0 2.3 1.3:1</paragraph>
<paragraph id="DC7636E27C57FFEF84FC25AAFBEBFE0A" blockId="15.[457,1115,314,554]" box="[457,1115,421,448]" pageId="15" pageNumber="16">Paratype 2.4 2.0 1.2:1</paragraph>
<paragraph id="DC7636E27C57FFEF84FC25C5FBEBFE56" blockId="15.[457,1115,314,554]" box="[457,1115,457,483]" pageId="15" pageNumber="16">Paratype 1.8 1.4 1.3:1</paragraph>
<paragraph id="DC7636E27C57FFEF84FC25E1FBEBFDB3" blockId="15.[457,1115,314,554]" box="[457,1115,492,519]" pageId="15" pageNumber="16">Paratype 1.3 1.1 1.2:1</paragraph>
<paragraph id="DC7636E27C57FFEF84FC261CFBEBFD9F" blockId="15.[457,1115,314,554]" box="[457,1115,528,554]" pageId="15" pageNumber="16">Paratype 1.3 1.1 1.2:1</paragraph>
<paragraph id="DC7636E27C57FFEF8588267DFC30FD3E" blockId="15.[189,896,625,651]" box="[189,896,625,651]" pageId="15" pageNumber="16">
<heading id="873E818E7C57FFEF8588267DFC30FD3E" bold="true" box="[189,896,625,651]" fontSize="11" level="3" pageId="15" pageNumber="16" reason="3">
<emphasis id="EEBDEAF07C57FFEF8588267DFC30FD3E" bold="true" box="[189,896,625,651]" pageId="15" pageNumber="16">Description based on specimens from the Norwegian Sea</emphasis>
</heading>
</paragraph>
<paragraph id="DC7636E27C57FFF0858826ACFD8AFE4D" blockId="15.[189,1399,672,874]" lastBlockId="16.[189,1399,267,504]" lastPageId="16" lastPageNumber="17" pageId="15" pageNumber="16">
SHELL. (
<figureCitation id="44F22A677C57FFEF842326ACFED1FD0F" box="[278,353,672,698]" captionStart="Fig" captionStartId="14.[189,232,1895,1921]" captionTargetBox="[192,1396,265,1854]" captionTargetId="figure@14.[192,1396,265,1854]" captionTargetPageId="14" captionText="Fig. 7. Syssitomya pourtalesiana sp. nov. from Norwegian Sea. A-C. Photo micrographs a external of left valve, internals of both valves. D-E. SEM of hinges of right and left valves. F-G. SEM of internal of both valves. H. SEM of prodissoconch. I. SEM of internal of right valve from NORBI cruise, abyssal, Courtesy of Anders Warén." figureDoi="http://doi.org/10.5281/zenodo.3857765" httpUri="https://zenodo.org/record/3857765/files/figure.png" pageId="15" pageNumber="16">Figs 7</figureCitation>
,
<figureCitation id="44F22A677C57FFEF845E26ACFECAFD0F" box="[363,378,672,698]" captionStart="Fig" captionStartId="15.[189,232,1930,1956]" captionTargetBox="[189,1399,951,1890]" captionTargetId="figure@15.[189,1399,951,1890]" captionTargetPageId="15" captionText="Fig. 8. Computer enhanced photomicrographs of whole specimens of Syssitomya pourtalesiana sp. nov. from the Norwegian Sea. A-A2. Holotype A. Exterior from right side. A1. Dorsal. A2. Ventral. B. Paratypes, size series." figureDoi="http://doi.org/10.5281/zenodo.3857767" httpUri="https://zenodo.org/record/3857767/files/figure.png" pageId="15" pageNumber="16">8</figureCitation>
) Small, largest length
<quantity id="1B319B077C57FFEF874E26ACFD65FD0F" box="[635,725,672,698]" metricMagnitude="-3" metricUnit="m" metricValue="4.2" pageId="15" pageNumber="16" unit="mm" value="4.2">4.2 mm</quantity>
, height
<quantity id="1B319B077C57FFEF861826ACFC38FD0F" box="[813,904,672,698]" metricMagnitude="-3" metricUnit="m" metricValue="3.2" pageId="15" pageNumber="16" unit="mm" value="3.2">3.2 mm</quantity>
, breadth
<quantity id="1B319B077C57FFEF86DB26ACFBF9FD0F" box="[1006,1097,672,698]" metricMagnitude="-3" metricUnit="m" metricValue="2.7" pageId="15" pageNumber="16" unit="mm" value="2.7">2.7 mm</quantity>
. Thin, fragile, translucent. Equivalve. Inequilateral, beaks distinctly behind midline. Umbos moderately inflated, beaks orthogyrate or marginally prosogyrate. Outline subovate, longer than high, length to height ratio 1.3:1, distinctly expanded anteriorly becoming a little oblique; anterior dorsal margin short as a depressed but illdefined lunule(
<figureCitation id="44F22A677C57FFEF84442720FE7AFCF2" box="[369,458,812,839]" captionStart="Fig" captionStartId="15.[189,232,1930,1956]" captionTargetBox="[189,1399,951,1890]" captionTargetId="figure@15.[189,1399,951,1890]" captionTargetPageId="15" captionText="Fig. 8. Computer enhanced photomicrographs of whole specimens of Syssitomya pourtalesiana sp. nov. from the Norwegian Sea. A-A2. Holotype A. Exterior from right side. A1. Dorsal. A2. Ventral. B. Paratypes, size series." figureDoi="http://doi.org/10.5281/zenodo.3857767" httpUri="https://zenodo.org/record/3857767/files/figure.png" pageId="15" pageNumber="16">Fig. 8A</figureCitation>
<figureCitation id="44F22A677C57FFEF84FF2727FE63FC8C" box="[458,467,811,825]" captionStart="Fig" captionStartId="5.[189,232,1930,1956]" captionTargetBox="[189,1399,546,1890]" captionTargetId="figure@5.[189,1399,546,1890]" captionTargetPageId="5" captionText="Fig. 1. Holotype of Axinodon symmetros Verrill &amp; Bush, 1898, USNM 35175. A-B. SEM of hinges of right and left valves. C-D. SEM of internal of right and left valves. E. Photo micrograph of internal of right valve. F-G. SEM of external of right and left valves. H. SEM of prodissoconch." figureDoi="http://doi.org/10.5281/zenodo.3857753" httpUri="https://zenodo.org/record/3857753/files/figure.png" pageId="15" pageNumber="16">
<superScript id="2BBC9BAA7C57FFEF84FF2727FE63FC8C" attach="left" box="[458,467,811,825]" fontSize="6" pageId="15" pageNumber="16">1</superScript>
</figureCitation>
); anterior broadly rounded; posterior dorsal margin sloping merging smoothly with rounded posterior margin; anterior distinctly more rounded than posterior; ventral margin gently curved. Sculpture of dense, fine commarginal ridges. Prodissoconch II distinct,
<quantity id="1B319B077C48FFF081622507FB57FE93" box="[1111,1255,267,294]" metricMagnitude="-1" metricUnit="m" metricValue="4.0" metricValueMax="4.1" metricValueMin="3.9" pageId="16" pageNumber="17" unit="mm" value="400.0" valueMax="410.0" valueMin="390.0">390-410 µm</quantity>
in diameter, sculptured with commarginal lines (
<figureCitation id="44F22A677C48FFF087422522FD6AFEFC" box="[631,730,302,329]" captionStart="Fig" captionStartId="14.[189,232,1895,1921]" captionTargetBox="[192,1396,265,1854]" captionTargetId="figure@14.[192,1396,265,1854]" captionTargetPageId="14" captionText="Fig. 7. Syssitomya pourtalesiana sp. nov. from Norwegian Sea. A-C. Photo micrographs a external of left valve, internals of both valves. D-E. SEM of hinges of right and left valves. F-G. SEM of internal of both valves. H. SEM of prodissoconch. I. SEM of internal of right valve from NORBI cruise, abyssal, Courtesy of Anders Warén." figureDoi="http://doi.org/10.5281/zenodo.3857765" httpUri="https://zenodo.org/record/3857765/files/figure.png" pageId="16" pageNumber="17">Fig. 7H</figureCitation>
); Prodissoconch I weakly demarcated,
<quantity id="1B319B077C48FFF0818B2522FAE4FEFC" box="[1214,1364,302,329]" metricMagnitude="-1" metricUnit="m" metricValue="1.49" metricValueMax="1.5" metricValueMin="1.48" pageId="16" pageNumber="17" unit="mm" value="149.0" valueMax="150.0" valueMin="148.0">148-150 µm</quantity>
in diameter with a punctate micro-sculpture (
<figureCitation id="44F22A677C48FFF087F6255EFC95FED9" box="[707,805,338,364]" captionStart="Fig" captionStartId="14.[189,232,1895,1921]" captionTargetBox="[192,1396,265,1854]" captionTargetId="figure@14.[192,1396,265,1854]" captionTargetPageId="14" captionText="Fig. 7. Syssitomya pourtalesiana sp. nov. from Norwegian Sea. A-C. Photo micrographs a external of left valve, internals of both valves. D-E. SEM of hinges of right and left valves. F-G. SEM of internal of both valves. H. SEM of prodissoconch. I. SEM of internal of right valve from NORBI cruise, abyssal, Courtesy of Anders Warén." figureDoi="http://doi.org/10.5281/zenodo.3857765" httpUri="https://zenodo.org/record/3857765/files/figure.png" pageId="16" pageNumber="17">Fig. 7H</figureCitation>
). Ligament short, internal, attached to a shallow resilifer situated beneath and posterior of the beaks (
<figureCitation id="44F22A677C48FFF0860B2579FC2CFE3A" box="[830,924,373,399]" captionStart="Fig" captionStartId="14.[189,232,1895,1921]" captionTargetBox="[192,1396,265,1854]" captionTargetId="figure@14.[192,1396,265,1854]" captionTargetPageId="14" captionText="Fig. 7. Syssitomya pourtalesiana sp. nov. from Norwegian Sea. A-C. Photo micrographs a external of left valve, internals of both valves. D-E. SEM of hinges of right and left valves. F-G. SEM of internal of both valves. H. SEM of prodissoconch. I. SEM of internal of right valve from NORBI cruise, abyssal, Courtesy of Anders Warén." figureDoi="http://doi.org/10.5281/zenodo.3857765" httpUri="https://zenodo.org/record/3857765/files/figure.png" pageId="16" pageNumber="17">Fig. 7E</figureCitation>
). Right valve with a single, projecting, cardinal peg, immediately anterior to this tooth a prominent depression (
<figureCitation id="44F22A677C48FFF081192594FB3EFE06" box="[1068,1166,408,435]" captionStart="Fig" captionStartId="14.[189,232,1895,1921]" captionTargetBox="[192,1396,265,1854]" captionTargetId="figure@14.[192,1396,265,1854]" captionTargetPageId="14" captionText="Fig. 7. Syssitomya pourtalesiana sp. nov. from Norwegian Sea. A-C. Photo micrographs a external of left valve, internals of both valves. D-E. SEM of hinges of right and left valves. F-G. SEM of internal of both valves. H. SEM of prodissoconch. I. SEM of internal of right valve from NORBI cruise, abyssal, Courtesy of Anders Warén." figureDoi="http://doi.org/10.5281/zenodo.3857765" httpUri="https://zenodo.org/record/3857765/files/figure.png" pageId="16" pageNumber="17">Fig. 7D</figureCitation>
). Left valve with a short, marginal flange in a posterior lateral position (
<figureCitation id="44F22A677C48FFF0862E25B7FCC5FE63" box="[795,885,443,470]" captionStart="Fig" captionStartId="14.[189,232,1895,1921]" captionTargetBox="[192,1396,265,1854]" captionTargetId="figure@14.[192,1396,265,1854]" captionTargetPageId="14" captionText="Fig. 7. Syssitomya pourtalesiana sp. nov. from Norwegian Sea. A-C. Photo micrographs a external of left valve, internals of both valves. D-E. SEM of hinges of right and left valves. F-G. SEM of internal of both valves. H. SEM of prodissoconch. I. SEM of internal of right valve from NORBI cruise, abyssal, Courtesy of Anders Warén." figureDoi="http://doi.org/10.5281/zenodo.3857765" httpUri="https://zenodo.org/record/3857765/files/figure.png" pageId="16" pageNumber="17">Fig. 7E</figureCitation>
). Adductor scars oval, roughly of equal size; pallial line entire. Margin entire.
</paragraph>
<caption id="88B6666A7C57FFEF85882386FE0DF85E" ID-DOI="http://doi.org/10.5281/zenodo.3857767" ID-Zenodo-Dep="3857767" httpUri="https://zenodo.org/record/3857767/files/figure.png" pageId="15" pageNumber="16" startId="15.[189,232,1930,1956]" targetBox="[189,1399,951,1890]" targetPageId="15">
<paragraph id="DC7636E27C57FFEF85882386FE0DF85E" blockId="15.[189,1399,1930,2027]" pageId="15" pageNumber="16">
<emphasis id="EEBDEAF07C57FFEF85882386FEBAF811" bold="true" box="[189,266,1930,1956]" pageId="15" pageNumber="16">Fig. 8.</emphasis>
Computer enhanced photomicrographs of whole specimens of
<taxonomicName id="1BC94D617C57FFEF86DE2387FAA6F811" authority="Oliver, 2012" authorityName="Oliver" authorityYear="2012" box="[1003,1302,1930,1957]" class="Bivalvia" family="Lasaeidae" genus="Syssitomya" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="pourtalesiana" status="sp. nov.">
<emphasis id="EEBDEAF07C57FFEF86DE2387FAA6F811" box="[1003,1302,1930,1957]" italics="true" pageId="15" pageNumber="16">Syssitomya pourtalesiana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="F58E578B7C57FFEF80282387FAC7F810" box="[1309,1399,1931,1957]" pageId="15" pageNumber="16" rank="species">sp. nov.</taxonomicNameLabel>
from the Norwegian Sea.
<emphasis id="EEBDEAF07C57FFEF873523A1FD8EF80F" bold="true" box="[512,574,1964,1991]" pageId="15" pageNumber="16">
A-A
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</emphasis>
. Holotype
<emphasis id="EEBDEAF07C57FFEF87FE23A1FD50F872" bold="true" box="[715,736,1965,1991]" pageId="15" pageNumber="16">A</emphasis>
. Exterior from right side.
<emphasis id="EEBDEAF07C57FFEF811B23A1FBFCF80F" bold="true" box="[1070,1100,1964,1991]" pageId="15" pageNumber="16">
A
<superScript id="2BBC9BAA7C57FFEF817623A0FBFCF80F" attach="left" box="[1091,1100,1964,1978]" fontSize="6" pageId="15" pageNumber="16">1</superScript>
</emphasis>
. Dorsal.
<emphasis id="EEBDEAF07C57FFEF81F723A1FB67F872" bold="true" box="[1218,1239,1965,1991]" pageId="15" pageNumber="16">A</emphasis>
<superScript id="2BBC9BAA7C57FFEF81E223A0FB50F80F" attach="left" box="[1239,1248,1964,1978]" fontSize="6" pageId="15" pageNumber="16">
<emphasis id="EEBDEAF07C57FFEF81E223A0FB50F80F" bold="true" box="[1239,1248,1964,1978]" pageId="15" pageNumber="16">2</emphasis>
</superScript>
. Ventral.
<emphasis id="EEBDEAF07C57FFEF806923A2FAC0F87D" bold="true" box="[1372,1392,1966,1992]" pageId="15" pageNumber="16">B</emphasis>
. Paratypes, size series.
</paragraph>
</caption>
<paragraph id="DC7636E27C48FFF08588262CFE8CFC85" blockId="16.[189,1399,542,1102]" pageId="16" pageNumber="17">
ANATOMY. (
<figureCitation id="44F22A677C48FFF08474262CFE75FD8F" box="[321,453,544,570]" captionStart="Fig" captionStartId="10.[189,232,1895,1921]" captionTargetBox="[189,1399,630,1853]" captionTargetId="figure@10.[189,1399,630,1853]" captionTargetPageId="10" captionText="Fig. 4. Scanning electron micrographs of anatomy. A. K. symmetros (Jeffreys, 1876) from Biscay. B. Syssitomya pourtalesiana sp. nov. from Norwegian Sea. C. Montacuta substriata (Montagu, 1808) from North Sea. D. Excised ctenidium of M. substriata. E. Excised piece of ctenidium from S. pourtalesiana sp. nov." figureDoi="http://doi.org/10.5281/zenodo.3857759" httpUri="https://zenodo.org/record/3857759/files/figure.png" pageId="16" pageNumber="17">Figs 4B, E</figureCitation>
;
<figureCitation id="44F22A677C48FFF084E7262CFE46FD8F" box="[466,502,544,570]" captionStart="Fig" captionStartId="15.[189,232,1930,1956]" captionTargetBox="[189,1399,951,1890]" captionTargetId="figure@15.[189,1399,951,1890]" captionTargetPageId="15" captionText="Fig. 8. Computer enhanced photomicrographs of whole specimens of Syssitomya pourtalesiana sp. nov. from the Norwegian Sea. A-A2. Holotype A. Exterior from right side. A1. Dorsal. A2. Ventral. B. Paratypes, size series." figureDoi="http://doi.org/10.5281/zenodo.3857767" httpUri="https://zenodo.org/record/3857767/files/figure.png" pageId="16" pageNumber="17">8A</figureCitation>
<figureCitation id="44F22A677C48FFF084C32612FE4FFD99" box="[502,511,542,556]" captionStart="Fig" captionStartId="7.[189,232,1930,1956]" captionTargetBox="[230,1356,266,1891]" captionTargetId="figure@7.[230,1356,266,1891]" captionTargetPageId="7" captionText="Fig. 2. Holotype of Kellia symmetros Jeffreys, 1876, USNM 170626. A-B. SEM of hinges of right and left valves. C-D. SEM of internal of right and left valves. E-F SEM of external of right and left valves. G-H. photo micrographs of internal and external of right valve." figureDoi="http://doi.org/10.5281/zenodo.3857755" httpUri="https://zenodo.org/record/3857755/files/figure.png" pageId="16" pageNumber="17">
<superScript id="2BBC9BAA7C48FFF084C32612FE4FFD99" attach="left" box="[502,511,542,556]" fontSize="6" pageId="16" pageNumber="17">2</superScript>
</figureCitation>
) Mantle margin free for most of its length, joined and attached to terminal of gill axis, anterior (pedal) aperture extensive, posterior aperture very small (
<figureCitation id="44F22A677C48FFF08171264FFB2EFDE8" box="[1092,1182,579,605]" captionStart="Fig" captionStartId="15.[189,232,1930,1956]" captionTargetBox="[189,1399,951,1890]" captionTargetId="figure@15.[189,1399,951,1890]" captionTargetPageId="15" captionText="Fig. 8. Computer enhanced photomicrographs of whole specimens of Syssitomya pourtalesiana sp. nov. from the Norwegian Sea. A-A2. Holotype A. Exterior from right side. A1. Dorsal. A2. Ventral. B. Paratypes, size series." figureDoi="http://doi.org/10.5281/zenodo.3857767" httpUri="https://zenodo.org/record/3857767/files/figure.png" pageId="16" pageNumber="17">Fig. 8A</figureCitation>
<figureCitation id="44F22A677C48FFF081AB264EFB17FDE5" box="[1182,1191,578,592]" captionStart="Fig" captionStartId="7.[189,232,1930,1956]" captionTargetBox="[230,1356,266,1891]" captionTargetId="figure@7.[230,1356,266,1891]" captionTargetPageId="7" captionText="Fig. 2. Holotype of Kellia symmetros Jeffreys, 1876, USNM 170626. A-B. SEM of hinges of right and left valves. C-D. SEM of internal of right and left valves. E-F SEM of external of right and left valves. G-H. photo micrographs of internal and external of right valve." figureDoi="http://doi.org/10.5281/zenodo.3857755" httpUri="https://zenodo.org/record/3857755/files/figure.png" pageId="16" pageNumber="17">
<superScript id="2BBC9BAA7C48FFF081AB264EFB17FDE5" attach="left" box="[1182,1191,578,592]" fontSize="6" pageId="16" pageNumber="17">2</superScript>
</figureCitation>
). Anterior mantle edge thrown into folds (
<figureCitation id="44F22A677C48FFF084EF266AFD87FD35" box="[474,567,614,640]" captionStart="Fig" captionStartId="10.[189,232,1895,1921]" captionTargetBox="[189,1399,630,1853]" captionTargetId="figure@10.[189,1399,630,1853]" captionTargetPageId="10" captionText="Fig. 4. Scanning electron micrographs of anatomy. A. K. symmetros (Jeffreys, 1876) from Biscay. B. Syssitomya pourtalesiana sp. nov. from Norwegian Sea. C. Montacuta substriata (Montagu, 1808) from North Sea. D. Excised ctenidium of M. substriata. E. Excised piece of ctenidium from S. pourtalesiana sp. nov." figureDoi="http://doi.org/10.5281/zenodo.3857759" httpUri="https://zenodo.org/record/3857759/files/figure.png" pageId="16" pageNumber="17">Fig. 4B</figureCitation>
). Adductor muscles of approximately equal size. Foot with a large toe and small heel, byssus functional producing a mass of threads arising from a single stalk. Anterior pedal retractor inserted above the anterior adductor, posterior pedal retractor above the posterior adductor. Ctenidium of single demibranchs, each with up to 30 partly reflected filaments (
<figureCitation id="44F22A677C48FFF081BE26DCFB5BFD5F" box="[1163,1259,720,746]" captionStart="Fig" captionStartId="10.[189,232,1895,1921]" captionTargetBox="[189,1399,630,1853]" captionTargetId="figure@10.[189,1399,630,1853]" captionTargetPageId="10" captionText="Fig. 4. Scanning electron micrographs of anatomy. A. K. symmetros (Jeffreys, 1876) from Biscay. B. Syssitomya pourtalesiana sp. nov. from Norwegian Sea. C. Montacuta substriata (Montagu, 1808) from North Sea. D. Excised ctenidium of M. substriata. E. Excised piece of ctenidium from S. pourtalesiana sp. nov." figureDoi="http://doi.org/10.5281/zenodo.3857759" httpUri="https://zenodo.org/record/3857759/files/figure.png" pageId="16" pageNumber="17">Fig. 4B</figureCitation>
). Filaments laminar, extended abfrontally with an extensive bacteriocyte zone (
<figureCitation id="44F22A677C48FFF086DA26FFFBFFFCB8" box="[1007,1103,755,781]" captionStart="Fig" captionStartId="10.[189,232,1895,1921]" captionTargetBox="[189,1399,630,1853]" captionTargetId="figure@10.[189,1399,630,1853]" captionTargetPageId="10" captionText="Fig. 4. Scanning electron micrographs of anatomy. A. K. symmetros (Jeffreys, 1876) from Biscay. B. Syssitomya pourtalesiana sp. nov. from Norwegian Sea. C. Montacuta substriata (Montagu, 1808) from North Sea. D. Excised ctenidium of M. substriata. E. Excised piece of ctenidium from S. pourtalesiana sp. nov." figureDoi="http://doi.org/10.5281/zenodo.3857759" httpUri="https://zenodo.org/record/3857759/files/figure.png" pageId="16" pageNumber="17">Fig. 4E</figureCitation>
). Labial palps small but projecting.
</paragraph>
<paragraph id="DC7636E27C48FFF085882735FDBCFC55" blockId="16.[189,1399,542,1102]" pageId="16" pageNumber="17">
Specimens from abyssal depths in the Rockall Trough do not differ significantly from those from the Norwegian Sea except for a large shell that shows greater anterior expansion. The ctenidia of this specimen show the same laminar filaments with abfrontal extension. Specimens collected in the month of February were gravid, the suprabranchial chamber holding hundreds of sub-triangular larvae, on average
<quantity id="1B319B077C48FFF0842A27CAFECAFC54" box="[287,378,966,993]" metricMagnitude="-1" metricUnit="m" metricValue="1.1199999999999999" pageId="16" pageNumber="17" unit="mm" value="112.0">112 µm</quantity>
in diameter.
</paragraph>
</subSubSection>
<subSubSection id="94D365697C48FFF0858827E5FAD5FB3A" pageId="16" pageNumber="17" type="discussion">
<paragraph id="DC7636E27C48FFF0858827E5FE97FBFB" blockId="16.[189,1399,542,1102]" pageId="16" pageNumber="17">
There is no record of any association with an echinoid but these specimens originate from the same sampling programme reported upon by
<bibRefCitation id="B8584B137C48FFF087952001FC31FB9D" author="Gage" box="[672,897,1037,1064]" etAl="et al." firstAuthor="Gage" pageId="16" pageNumber="17" pagination="173 - 213" refId="ref9212" refString="Gage J. D., Billett D. S. M., Jensen M. &amp; Tyler P. A. 1985. Echinoderms of the Rockall Trough and adjacent areas 2. Echinoidea and Holothurioidea. Bulletin of the British Museum of Natural History (Zoology) 48 (4): 173 - 213." type="journal article" year="1985">
Gage
<emphasis id="EEBDEAF07C48FFF087DC2002FC97FB92" box="[745,807,1037,1063]" italics="true" pageId="16" pageNumber="17">et al.</emphasis>
(1985)
</bibRefCitation>
where they were attached to
<taxonomicName id="1BC94D617C48FFF081DB2001FE90FBF8" authorityName="Agassiz" authorityYear="1869" class="Echinoidea" family="Pourtalesiidae" genus="Pourtalesia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spatangoida" pageId="16" pageNumber="17" phylum="Echinodermata" rank="species" species="miranda">
<emphasis id="EEBDEAF07C48FFF081DB2001FE90FBF8" italics="true" pageId="16" pageNumber="17">Pourtalesia miranda</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="DC7636E27C48FFF085882079FAD5FB3A" blockId="16.[189,1381,1140,1167]" box="[189,1381,1140,1167]" pageId="16" pageNumber="17">
ASSOCIATION. Attached by byssus threads to the spines of
<taxonomicName id="1BC94D617C48FFF0866D2079FBF5FB3A" authorityName="Wyville Thomson" authorityYear="1877" box="[856,1093,1141,1167]" class="Echinoidea" family="Pourtalesiidae" genus="Pourtalesia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spatangoida" pageId="16" pageNumber="17" phylum="Echinodermata" rank="species" species="jeffreysi">
<emphasis id="EEBDEAF07C48FFF0866D2079FBF5FB3A" box="[856,1093,1141,1167]" italics="true" pageId="16" pageNumber="17">Pourtalesia jeffreysi</emphasis>
</taxonomicName>
and
<taxonomicName id="1BC94D617C48FFF0814A2079FB4FFB3A" authorityName="Agassiz" authorityYear="1869" box="[1151,1279,1141,1167]" class="Echinoidea" family="Pourtalesiidae" genus="Pourtalesia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spatangoida" pageId="16" pageNumber="17" phylum="Echinodermata" rank="species" species="miranda">
<emphasis id="EEBDEAF07C48FFF0814A2079FB4FFB3A" box="[1151,1279,1141,1167]" italics="true" pageId="16" pageNumber="17">P. miranda</emphasis>
</taxonomicName>
(
<figureCitation id="44F22A677C48FFF0803A2078FAE7FB3A" box="[1295,1367,1140,1167]" captionStart="Fig" captionStartId="16.[189,232,1965,1991]" captionTargetBox="[492,1096,1532,1925]" captionTargetId="figure@16.[491,1096,1532,1925]" captionTargetPageId="16" captionText="Fig. 9. Pourtalesia miranda Agassiz, 1869 with Syssitomya pourtalesiana sp. nov. attached, from Biscay. Courtesy of A.J. &amp; E.C. Southward." figureDoi="http://doi.org/10.5281/zenodo.3857769" httpUri="https://zenodo.org/record/3857769/files/figure.png" pageId="16" pageNumber="17">Fig. 9</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="94D365697C48FFF1858820D8FEB9FEFB" lastPageId="17" lastPageNumber="18" pageId="16" pageNumber="17" type="distribution">
<paragraph id="DC7636E27C48FFF0858820D8FEE6FB5B" blockId="16.[189,342,1236,1262]" box="[189,342,1236,1262]" pageId="16" pageNumber="17">
<heading id="873E818E7C48FFF0858820D8FEE6FB5B" bold="true" box="[189,342,1236,1262]" fontSize="11" level="3" pageId="16" pageNumber="17" reason="3">
<emphasis id="EEBDEAF07C48FFF0858820D8FEE6FB5B" bold="true" box="[189,342,1236,1262]" pageId="16" pageNumber="17">Distribution</emphasis>
</heading>
</paragraph>
<paragraph id="DC7636E27C48FFF08588210FFD19FAD1" blockId="16.[189,1399,1283,1380]" pageId="16" pageNumber="17">
Confirmed from the NE Atlantic, Norwegian Sea to Bay of Biscay at depths from
<quantity id="1B319B077C48FFF0814F210FFABBFAA8" box="[1146,1291,1283,1309]" metricMagnitude="3" metricUnit="m" metricValue="2.2085" metricValueMax="3.617" metricValueMin="0.8" pageId="16" pageNumber="17" unit="m" value="2208.5" valueMax="3617.0" valueMin="800.0">800-3617 m</quantity>
. Records (
<bibRefCitation id="B8584B137C48FFF085F0212AFEFAFAF5" author="Allen" box="[197,330,1318,1344]" firstAuthor="Allen" pageId="16" pageNumber="17" pagination="57 - 173" refId="ref8264" refString="Allen J. A. 2008. Bivalvia of the Deep Atlantic. Malacologia 50 (1): 57 - 173. http: // dx. doi. org / 10.4002 / 0076 - 2997 - 50.1.57" type="journal article" year="2008">Allen 2008</bibRefCitation>
) from the NW and SW Atlantic have not been confirmed although one of the host species
<taxonomicName id="1BC94D617C48FFF08054212BFE90FAD6" authorityName="Agassiz" authorityYear="1869" class="Echinoidea" family="Pourtalesiidae" genus="Pourtalesia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spatangoida" pageId="16" pageNumber="17" phylum="Echinodermata" rank="species" species="miranda">
<emphasis id="EEBDEAF07C48FFF08054212BFE90FAD6" italics="true" pageId="16" pageNumber="17">P. miranda</emphasis>
</taxonomicName>
has been recorded in these areas.
</paragraph>
<paragraph id="DC7636E27C48FFF085882187FAC7FA7D" blockId="16.[189,1399,1419,1481]" pageId="16" pageNumber="17">
<taxonomicName id="1BC94D617C48FFF085882187FE19FA10" authorityName="Wyville Thomson" authorityYear="1877" box="[189,425,1419,1445]" class="Echinoidea" family="Pourtalesiidae" genus="Pourtalesia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spatangoida" pageId="16" pageNumber="17" phylum="Echinodermata" rank="species" species="jeffreysi">
<emphasis id="EEBDEAF07C48FFF085882187FE19FA10" box="[189,425,1419,1445]" italics="true" pageId="16" pageNumber="17">Pourtalesia jeffreysi</emphasis>
</taxonomicName>
has two recognised subspecies with both hosting
<taxonomicName id="1BC94D617C48FFF086D92187FBDEFA10" authority="Oliver, 2012" authorityName="Oliver" authorityYear="2012" box="[1004,1134,1419,1445]" class="Bivalvia" family="Lasaeidae" genus="Syssitomya" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="16" pageNumber="17" phylum="Mollusca" rank="genus" status="gen. nov.">
<emphasis id="EEBDEAF07C48FFF086D92187FBDEFA10" box="[1004,1134,1419,1445]" italics="true" pageId="16" pageNumber="17">Syssitomya</emphasis>
</taxonomicName>
<taxonomicNameLabel id="F58E578B7C48FFF081402187FB53FA10" box="[1141,1251,1419,1445]" pageId="16" pageNumber="17" rank="genus">gen. nov.</taxonomicNameLabel>
:
<taxonomicName id="1BC94D617C48FFF081DB2187FD82FA7C" authority="Mironov, 1995" authorityName="Mironov" authorityYear="1995" class="Echinoidea" family="Pourtalesiidae" genus="Pourtalesia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spatangoida" pageId="16" pageNumber="17" phylum="Echinodermata" rank="subSpecies" species="jeffreysi" subSpecies="gibbosa">
<emphasis id="EEBDEAF07C48FFF081DB2187FECEFA7D" italics="true" pageId="16" pageNumber="17">Pourtalesia jeffreysi gibbosa</emphasis>
Mironov, 1995
</taxonomicName>
has a bathyal range while the subspecies
<emphasis id="EEBDEAF07C48FFF0812321A2FBF4FA7D" box="[1046,1092,1454,1480]" italics="true" pageId="16" pageNumber="17">lata</emphasis>
Mironov, 1995 is abyssal.
</paragraph>
<caption id="88B6666A7C48FFF0858823A1FD70F85E" ID-DOI="http://doi.org/10.5281/zenodo.3857769" ID-Zenodo-Dep="3857769" httpUri="https://zenodo.org/record/3857769/files/figure.png" pageId="16" pageNumber="17" startId="16.[189,232,1965,1991]" targetBox="[492,1096,1532,1925]" targetPageId="16">
<paragraph id="DC7636E27C48FFF0858823A1FD70F85E" blockId="16.[189,1398,1965,2027]" pageId="16" pageNumber="17">
<emphasis id="EEBDEAF07C48FFF0858823A1FEA0F872" bold="true" box="[189,272,1965,1991]" pageId="16" pageNumber="17">Fig. 9.</emphasis>
<taxonomicName id="1BC94D617C48FFF0842923A1FD60F872" authority="Agassiz, 1869" authorityName="Agassiz" authorityYear="1869" box="[284,720,1965,1991]" class="Echinoidea" family="Pourtalesiidae" genus="Pourtalesia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spatangoida" pageId="16" pageNumber="17" phylum="Echinodermata" rank="species" species="miranda">
<emphasis id="EEBDEAF07C48FFF0842923A1FDA5F872" box="[284,533,1965,1991]" italics="true" pageId="16" pageNumber="17">Pourtalesia miranda</emphasis>
Agassiz, 1869
</taxonomicName>
with
<taxonomicName id="1BC94D617C48FFF0862823A2FBFFF872" authority="Oliver, 2012" authorityName="Oliver" authorityYear="2012" box="[797,1103,1965,1992]" class="Bivalvia" family="Lasaeidae" genus="Syssitomya" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="16" pageNumber="17" phylum="Mollusca" rank="species" species="pourtalesiana" status="sp. nov.">
<emphasis id="EEBDEAF07C48FFF0862823A2FBFFF872" box="[797,1103,1965,1992]" italics="true" pageId="16" pageNumber="17">Syssitomya pourtalesiana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="F58E578B7C48FFF0816923A2FB0CF87D" box="[1116,1212,1966,1992]" pageId="16" pageNumber="17" rank="species">sp. nov.</taxonomicNameLabel>
attached, from Biscay. Courtesy of A.J. &amp; E.C. Southward.
</paragraph>
</caption>
<paragraph id="DC7636E27C49FFF185882507FEB9FEFB" blockId="17.[189,1398,267,334]" pageId="17" pageNumber="18">
The known geographic range for
<taxonomicName id="1BC94D617C49FFF187722500FD72FE90" authorityName="Wyville Thomson" authorityYear="1877" box="[583,706,267,293]" class="Echinoidea" family="Pourtalesiidae" genus="Pourtalesia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spatangoida" pageId="17" pageNumber="18" phylum="Echinodermata" rank="species" species="jeffreysi">
<emphasis id="EEBDEAF07C49FFF187722500FD72FE90" box="[583,706,267,293]" italics="true" pageId="17" pageNumber="18">P. jeffreysi</emphasis>
</taxonomicName>
is the Norwegian Sea and Russian Arctic Ocean (WoRMS 2012).
</paragraph>
</subSubSection>
<subSubSection id="94D365697C49FFF185882599FC70FCC0" pageId="17" pageNumber="18" type="diagnosis">
<paragraph id="DC7636E27C49FFF185882599FE79FE1A" blockId="17.[189,457,405,431]" box="[189,457,405,431]" pageId="17" pageNumber="18">
<heading id="873E818E7C49FFF185882599FE79FE1A" bold="true" box="[189,457,405,431]" fontSize="11" level="3" pageId="17" pageNumber="18" reason="3">
<emphasis id="EEBDEAF07C49FFF185882599FE79FE1A" bold="true" box="[189,457,405,431]" pageId="17" pageNumber="18">Differential diagnosis</emphasis>
</heading>
</paragraph>
<paragraph id="DC7636E27C49FFF1858825CAFE80FDC0" blockId="17.[189,1399,454,629]" pageId="17" pageNumber="18">
The shell characters of
<taxonomicName id="1BC94D617C49FFF184F025CAFDF7FE55" authority="Oliver, 2012" authorityName="Oliver" authorityYear="2012" box="[453,583,454,480]" class="Bivalvia" family="Lasaeidae" genus="Syssitomya" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="17" pageNumber="18" phylum="Mollusca" rank="genus" status="gen. nov.">
<emphasis id="EEBDEAF07C49FFF184F025CAFDF7FE55" box="[453,583,454,480]" italics="true" pageId="17" pageNumber="18">Syssitomya</emphasis>
</taxonomicName>
<taxonomicNameLabel id="F58E578B7C49FFF1877925CBFD04FE54" box="[588,692,455,481]" pageId="17" pageNumber="18" rank="genus">gen. nov.</taxonomicNameLabel>
are montacutid in all respects, notably the anterior expansion, internal ligament and the hinge reduced to a single cardinal peg in the right valve and a marginal flange in the left valve. In shell character, similarities are greatest with
<taxonomicName id="1BC94D617C49FFF186EC261CFB88FD9F" authorityName="Dall" authorityYear="1899" box="[985,1080,528,554]" class="Bivalvia" family="Lasaeidae" genus="Kelliola" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="17" pageNumber="18" phylum="Mollusca" rank="genus">
<emphasis id="EEBDEAF07C49FFF186EC261CFB88FD9F" box="[985,1080,528,554]" italics="true" pageId="17" pageNumber="18">Kelliola</emphasis>
</taxonomicName>
but
<taxonomicName id="1BC94D617C49FFF18146261DFB45FD9E" authority="Oliver, 2012" authorityName="Oliver" authorityYear="2012" box="[1139,1269,529,555]" class="Bivalvia" family="Lasaeidae" genus="Syssitomya" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="17" pageNumber="18" phylum="Mollusca" rank="genus" status="gen. nov.">
<emphasis id="EEBDEAF07C49FFF18146261DFB45FD9E" box="[1139,1269,529,555]" italics="true" pageId="17" pageNumber="18">Syssitomya</emphasis>
</taxonomicName>
<taxonomicNameLabel id="F58E578B7C49FFF18034261DFAC2FD9E" box="[1281,1394,529,555]" pageId="17" pageNumber="18" rank="genus">gen. nov.</taxonomicNameLabel>
, uniquely within the
<taxonomicName id="1BC94D617C49FFF18499263AFDC7FDE5" authorityName="Gray" authorityYear="1840" box="[428,631,566,592]" order="Null" pageId="17" pageNumber="7" rank="superFamily" superFamily="Galeommatoidea">Galeommatoidea</taxonomicName>
, has highly modified ctenidia with abfrontally extended, laminar filaments.
</paragraph>
<paragraph id="DC7636E27C49FFF185882692FC70FCC0" blockId="17.[189,1398,670,886]" pageId="17" pageNumber="18">
At the species level, for comparison with
<taxonomicName id="1BC94D617C49FFF187E62692FC0BFD0D" baseAuthorityName="Jeffreys" baseAuthorityYear="1876" box="[723,955,670,696]" class="Bivalvia" family="Lasaeidae" genus="Kelliola" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="17" pageNumber="18" phylum="Mollusca" rank="species" species="symmetros">
<emphasis id="EEBDEAF07C49FFF187E62692FC0BFD0D" box="[723,955,670,696]" italics="true" pageId="17" pageNumber="18">Kelliola symmetros</emphasis>
</taxonomicName>
see above. The somewhat inflated, anteriorly expanded form of
<taxonomicName id="1BC94D617C49FFF1873B26C8FD7EFD68" authority="Oliver, 2012" authorityName="Oliver" authorityYear="2012" box="[526,718,707,734]" class="Bivalvia" family="Lasaeidae" genus="Syssitomya" higherTaxonomySource="GBIF" kingdom="Animalia" order="Galeommatida" pageId="17" pageNumber="18" phylum="Mollusca" rank="species" species="pourtalesiana" status="sp. nov.">
<emphasis id="EEBDEAF07C49FFF1873B26C8FD7EFD68" box="[526,718,707,734]" italics="true" pageId="17" pageNumber="18">S. pourtalesiana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="F58E578B7C49FFF187E026C8FC9FFD6B" box="[725,815,708,734]" pageId="17" pageNumber="18" rank="species">sp. nov.</taxonomicNameLabel>
is rather distinctive and not like the form of other deep-sea montacutids such as species of
<taxonomicName id="1BC94D617C49FFF187AE26E5FBBBFCB6" authority="(Gofas &amp; Salas 2008)" baseAuthorityName="Gofas &amp; Salas" baseAuthorityYear="2008" box="[667,1035,745,771]" class="Bivalvia" family="Lasaeidae" genus="Kurtiella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Veneroida" pageId="17" pageNumber="18" phylum="Mollusca" rank="genus">
<emphasis id="EEBDEAF07C49FFF187AE26E5FCB5FCB6" box="[667,773,745,771]" italics="true" pageId="17" pageNumber="18">Kurtiella</emphasis>
(
<bibRefCitation id="B8584B137C49FFF1862126E5FBB3FCB6" author="Gofas &amp; Salas" box="[788,1027,745,771]" firstAuthor="Gofas" pageId="17" pageNumber="18" pagination="119 - 135" refId="ref9271" refString="Gofas S. &amp; Salas C. 2008. A review of European &quot; Mysella &quot; species (Bivalvia: Montacutidae) with description of Kurtiella new genus. Journal of Molluscan Studies 74 (2): 119 - 135. http: // dx. doi. org / 10.1093 / mollus / eym 053" type="journal article" year="2008">Gofas &amp; Salas 2008</bibRefCitation>
)
</taxonomicName>
or
<taxonomicName id="1BC94D617C49FFF1810626E5FAF3FCB6" authority="(Allen 2007)" baseAuthorityName="Allen" baseAuthorityYear="2007" box="[1075,1347,745,771]" class="Bivalvia" family="Lasaeidae" genus="Epilepton" higherTaxonomySource="GBIF" kingdom="Animalia" order="Veneroida" pageId="17" pageNumber="18" phylum="Mollusca" rank="genus">
<emphasis id="EEBDEAF07C49FFF1810626E5FB15FCB6" box="[1075,1189,745,771]" italics="true" pageId="17" pageNumber="18">Epilepton</emphasis>
(
<bibRefCitation id="B8584B137C49FFF1818126E5FA8BFCB6" author="Allen" box="[1204,1339,745,771]" firstAuthor="Allen" pageId="17" pageNumber="18" pagination="7 - 14" refId="ref8229" refString="Allen J. A. 2007. A new deep-water species of the genus Epilepton (Bivalvia: Galeommatoidea) from the Atlantic. The Veliger 49 (1): 7 - 14." type="journal article" year="2007">Allen 2007</bibRefCitation>
)
</taxonomicName>
that are more ovate, compressed and have different dentition patterns. From external appearances it more resembles some thyasirids notably
<taxonomicName id="1BC94D617C49FFF18760273FFC5EFCF8" authority="(Jeffreys, 1881)" baseAuthorityName="Jeffreys" baseAuthorityYear="1881" box="[597,1006,819,845]" class="Bivalvia" family="Thyasiridae" genus="Thyasira" higherTaxonomySource="GBIF" kingdom="Animalia" order="Veneroida" pageId="17" pageNumber="18" phylum="Mollusca" rank="species" species="subovata">
<emphasis id="EEBDEAF07C49FFF18760273FFC9EFCF8" box="[597,814,819,845]" italics="true" pageId="17" pageNumber="18">Thyasira subovata</emphasis>
(Jeffreys, 1881)
</taxonomicName>
(see
<bibRefCitation id="B8584B137C49FFF1811F273FFB48FCF8" author="Oliver P. G. &amp; Holmes A. M. &amp; Killeen I. J. &amp; Turner J." box="[1066,1272,819,845]" pageId="17" pageNumber="18" refId="ref9941" refString="Oliver P. G., Holmes A. M., Killeen I. J. &amp; Turner J. 2012. Marine bivalve shells of the British Isles (Mollusca: Bivalvia). Available at: http: // naturalhistory. museumwales. ac. uk / britishbivalves [accessed 21 Mar. 2012]" type="url" year="2012">
Oliver
<emphasis id="EEBDEAF07C49FFF1814E2738FB06FCF8" box="[1147,1206,819,845]" italics="true" pageId="17" pageNumber="18">et al.</emphasis>
2012
</bibRefCitation>
) and if not found attached to its host could easily be mistaken for a thyasirid.
</paragraph>
</subSubSection>
</treatment>
</document>