treatments-xml/data/03/D1/12/03D11221FFC6F476BB88FB577329FDBD.xml

<document id="0EB6541EB1738B07405D1507E2A7D763" ID-CLB-Dataset="26824" ID-DOI="10.11646/zootaxa.4604.3.1" ID-GBIF-Dataset="269321d2-8c60-4be5-b879-b516f39f62b9" ID-ISSN="1175-5326" ID-Zenodo-Dep="2835991" ID-ZooBank="810F4802-C979-4A06-9FCE-A65947CCD768" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1557898676104" checkinUser="plazi" docAuthor="Mironov, Alexandr N." docDate="2019" docId="03D11221FFC6F476BB88FB577329FDBD" docLanguage="en" docName="zootaxa.4604.3.1.pdf" docOrigin="Zootaxa 4604 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Bathycrinus longipinnus Mironov 2019, n. sp." docType="treatment" docVersion="10" lastPageNumber="414" masterDocId="FFE86A59FFCEF47BBB1FFFAA7702FFDE" masterDocTitle="See lilies of the genus Bathycrinus (Echinodermata, Crinoidea: Bathycrinidae) from the North-West Pacific hadal trenches" masterLastPageNumber="427" masterPageNumber="401" pageNumber="409" updateTime="1698728611186" updateUser="ExternalLinkService">
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<mods:title id="1A0AB3C2C38D7009FE951C9E84375AE8">See lilies of the genus Bathycrinus (Echinodermata, Crinoidea: Bathycrinidae) from the North-West Pacific hadal trenches</mods:title>
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<mods:namePart id="5A3277183A7F1930F40A86534D832371">Mironov, Alexandr N.</mods:namePart>
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<mods:date id="220C0C01C26DDFE98DFF576CD7183452">2019</mods:date>
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<treatment id="03D11221FFC6F476BB88FB577329FDBD" ID-DOI="http://doi.org/10.5281/zenodo.5587061" ID-GBIF-Taxon="157137275" ID-Zenodo-Dep="5587061" LSID="urn:lsid:plazi:treatment:03D11221FFC6F476BB88FB577329FDBD" httpUri="http://treatment.plazi.org/id/03D11221FFC6F476BB88FB577329FDBD" lastPageId="13" lastPageNumber="414" pageId="8" pageNumber="409">
<subSubSection id="C362F0BCFFC6F473BB88FB57750CFAC6" box="[151,526,1277,1304]" pageId="8" pageNumber="409" type="nomenclature">
<paragraph id="8BC7A337FFC6F473BB88FB57750CFAC6" blockId="8.[151,526,1277,1340]" box="[151,526,1277,1304]" pageId="8" pageNumber="409">
<heading id="D08F145BFFC6F473BB88FB57750CFAC6" bold="true" box="[151,526,1277,1304]" fontSize="11" level="1" pageId="8" pageNumber="409" reason="1">
<emphasis id="B90C7F25FFC6F473BB88FB57750CFAC6" bold="true" box="[151,526,1277,1304]" pageId="8" pageNumber="409">
<taxonomicName id="4C78D8B4FFC6F473BB88FB5776C6FAC6" authority="Mironov, 2019" authorityName="Mironov" authorityYear="2019" box="[151,452,1277,1304]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="8" pageNumber="409" phylum="Echinodermata" rank="species" species="longipinnus" status="sp. nov.">
<emphasis id="B90C7F25FFC6F473BB88FB5776C6FAC6" bold="true" box="[151,452,1277,1304]" italics="true" pageId="8" pageNumber="409">Bathycrinus longipinnus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A23FC25EFFC6F473BAD4FB54750CFAC6" box="[459,526,1278,1304]" pageId="8" pageNumber="409" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C362F0BCFFC6F473BB88FA88733DFAA0" pageId="8" pageNumber="409" type="description">
<paragraph id="8BC7A337FFC6F473BB88FA8876ADFAE5" blockId="8.[151,526,1277,1340]" box="[151,431,1313,1340]" pageId="8" pageNumber="409">
<figureCitation id="1343BFB2FFC6F473BB88FA8877DEFAE2" box="[151,220,1314,1340]" captionStart="FIGURE 4" captionStartId="9.[151,250,1819,1844]" captionTargetBox="[232,1357,176,1780]" captionTargetId="figure@9.[213,1374,162,1799]" captionTargetPageId="9" captionText="FIGURE 4. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—RR-ring with proximal arms, holotype; B—arm with Ps 1–2, holotype; C–E—fragments of distal arms,?holotype; F—fragment of stalk of small specimen, IO RAS No. XV-63-7; G– H—proximal stalk fragment (proxistele and mesistele) with BB-ring; I–J—fragment of dististele, 28 columnals, IO RAS Ech00754. Scales: A, F–J 7 mm; B–E 3 mm." httpUri="https://zenodo.org/record/2945139/files/figure.png" pageId="8" pageNumber="409">Figs 4</figureCitation>
A–J, 5A–H, 6A–K
</paragraph>
<paragraph id="8BC7A337FFC6F473BB88FACC733DFAA0" blockId="8.[151,1087,1381,1406]" box="[151,1087,1381,1406]" pageId="8" pageNumber="409">
Synonymy: 
<taxonomicName id="4C78D8B4FFC6F473BA0DFACC768EFAA0" authorityName="A. H. Clark" authorityYear="1917" box="[274,396,1382,1406]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="8" pageNumber="409" phylum="Echinodermata" rank="genus">
<emphasis id="B90C7F25FFC6F473BA0DFACC768EFAA0" box="[274,396,1382,1406]" italics="true" pageId="8" pageNumber="409">Bathycrinus</emphasis>
</taxonomicName>
sp. A 
<emphasis id="B90C7F25FFC6F473BAD8FACC76E2FAA0" bold="true" box="[455,480,1382,1406]" pageId="8" pageNumber="409">—</emphasis>
<bibRefCitation id="EFE9DEC6FFC6F473BAFEFACF7572FAA0" author="Belyaev, G. M." box="[481,624,1381,1406]" pageId="8" pageNumber="409" refId="ref10787" refString="Belyaev, G. M. (1966) Benthic fauna of the ultraabyssal depths of the World Ocean. Nauka Publishing House, Moscow, 248 pp. [in Russian, translated to English as: Belyaev G. M., 1972. Hadal bottom fauna of the World Ocean. Smithsonian Institution-NSF, Washington, Israel Program for Scientific Translations, 199 pp.]" type="book" year="1966">Belyaev 1966</bibRefCitation>
: 119; 
<taxonomicName id="4C78D8B4FFC6F473B9B3FACC7424FAA0" authorityName="A. H. Clark" authorityYear="1917" box="[684,806,1382,1406]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="8" pageNumber="409" phylum="Echinodermata" rank="genus">
<emphasis id="B90C7F25FFC6F473B9B3FACC7424FAA0" box="[684,806,1382,1406]" italics="true" pageId="8" pageNumber="409">Bathycrinus</emphasis>
</taxonomicName>
sp. E 
<emphasis id="B90C7F25FFC6F473B87FFACC747BFAA0" bold="true" box="[864,889,1382,1406]" pageId="8" pageNumber="409">—</emphasis>
<bibRefCitation id="EFE9DEC6FFC6F473B866FACF730AFAA0" author="Belyaev, G. M." box="[889,1032,1381,1406]" pageId="8" pageNumber="409" refId="ref10787" refString="Belyaev, G. M. (1966) Benthic fauna of the ultraabyssal depths of the World Ocean. Nauka Publishing House, Moscow, 248 pp. [in Russian, translated to English as: Belyaev G. M., 1972. Hadal bottom fauna of the World Ocean. Smithsonian Institution-NSF, Washington, Israel Program for Scientific Translations, 199 pp.]" type="book" year="1966">Belyaev 1966</bibRefCitation>
: 119.
</paragraph>
</subSubSection>
<subSubSection id="C362F0BCFFC6F473BB88FA0677CDFA34" pageId="8" pageNumber="409" type="etymology">
<paragraph id="8BC7A337FFC6F473BB88FA0677CDFA34" blockId="8.[151,1437,1452,1983]" pageId="8" pageNumber="409">
<emphasis id="B90C7F25FFC6F473BB88FA067620FA18" bold="true" box="[151,290,1452,1478]" pageId="8" pageNumber="409">Etymology:</emphasis>
The species name is derived from the Latin 
<emphasis id="B90C7F25FFC6F473B80FFA067459FA18" box="[784,859,1452,1478]" italics="true" pageId="8" pageNumber="409">longus</emphasis>
(long) and 
<emphasis id="B90C7F25FFC6F473B8C4FA077319FA18" box="[987,1051,1453,1478]" italics="true" pageId="8" pageNumber="409">pinna</emphasis>
(feather), in reference to long pinnule.
</paragraph>
</subSubSection>
<subSubSection id="C362F0BCFFC6F473BBD8FA5E761DF861" pageId="8" pageNumber="409" type="materials_examined">
<paragraph id="8BC7A337FFC6F473BBD8FA5E73C2F9D1" blockId="8.[151,1437,1452,1983]" box="[199,1216,1524,1551]" pageId="8" pageNumber="409">
<emphasis id="B90C7F25FFC6F473BBD8FA5E7639F9D0" bold="true" box="[199,315,1524,1550]" pageId="8" pageNumber="409">
<typeStatus id="54C31D95FFC6F473BBD8FA5E7634F9D0" box="[199,310,1524,1550]" pageId="8" pageNumber="409" type="holotype">Holotype</typeStatus>
.
</emphasis>
IO RAS, No. XV-63-7, RV 
<emphasis id="B90C7F25FFC6F473B968FA5F75B9F9D0" box="[631,699,1525,1550]" italics="true" pageId="8" pageNumber="409">Vityaz</emphasis>
, St. 3340, RR-ring with arms, RRD 
<quantity id="4C800ED2FFC6F473BF4AFA5E73BEF9D1" box="[1109,1212,1524,1551]" metricMagnitude="-3" metricUnit="m" metricValue="4.16" pageId="8" pageNumber="409" unit="mm" value="4.16">4.16 mm</quantity>
.
</paragraph>
<paragraph id="8BC7A337FFC6F473BBD8F9B277F1F989" blockId="8.[151,1437,1452,1983]" pageId="8" pageNumber="409">
<emphasis id="B90C7F25FFC6F473BBD8F9B27667F9EC" bold="true" box="[199,357,1559,1586]" pageId="8" pageNumber="409">Type locality.</emphasis>
<materialsCitation id="3B10A96AFFC6F473BA74F9B377EDF989" ID-GBIF-Occurrence="2241514707" collectionCode="RV" elevation="6584" latitude="53.886665" longLatPrecision="107" longitude="166.92667" pageId="8" pageNumber="409" specimenCount="1">
<collectionCode id="ED693BF2FFC6F473BA74F9B3768DF9ED" box="[363,399,1561,1587]" country="Italy" name="Collection of Leptospira Strains" pageId="8" pageNumber="409">RV</collectionCode>
<emphasis id="B90C7F25FFC6F473BA89F9B376D8F9EC" box="[406,474,1561,1586]" italics="true" pageId="8" pageNumber="409">Vityaz</emphasis>
, cruise 20, St. 3340, TS, 0 1.06.1955, Aleutian Trench, 
<geoCoordinate id="EE4CC5F0FFC6F473BF21F9BD73B8F9ED" box="[1086,1210,1559,1587]" direction="north" orientation="latitude" pageId="8" pageNumber="409" precision="92" value="53.886665">53°53.2′ N</geoCoordinate>
, 
<geoCoordinate id="EE4CC5F0FFC6F473BFDAF9BD7249F9ED" box="[1221,1355,1559,1587]" direction="east" orientation="longitude" pageId="8" pageNumber="409" precision="92" value="166.92667">166°55.6′ E</geoCoordinate>
, 
<elevation id="00554404FFC6F473BE49F9B277EDF989" metricMagnitude="3" metricUnit="m" metricValue="6.583500000000001" metricValueMax="6.757000000000001" metricValueMin="6.409999999999999" pageId="8" pageNumber="409" unit="m" value="6583.5" valueMax="6757.0" valueMin="6410.0">
<quantity id="4C800ED2FFC6F473BE49F9B277EDF989" metricMagnitude="3" metricUnit="m" metricValue="6.583500000000001" metricValueMax="6.757000000000001" metricValueMin="6.409999999999999" pageId="8" pageNumber="409" unit="m" value="6583.5" valueMax="6757.0" valueMin="6410.0">6410– 6757 m</quantity>
</elevation>
</materialsCitation>
.
</paragraph>
<paragraph id="8BC7A337FFC6F473BBD8F9F5761DF861" blockId="8.[151,1437,1452,1983]" pageId="8" pageNumber="409">
<emphasis id="B90C7F25FFC6F473BBD8F9F576B2F9A4" bold="true" box="[199,432,1631,1658]" pageId="8" pageNumber="409">Material examined.</emphasis>
<materialsCitation id="3B10A96AFFC6F473BAA8F9CB7424F940" ID-GBIF-Occurrence="2241514681" collectionCode="RV" county="Aleutian Trench" elevation="6584" latitude="53.886665" location="Vityaz" longLatPrecision="107" longitude="166.92667" municipality="St." pageId="8" pageNumber="409" specimenCount="2" typeStatus="holotype">
<collectionCode id="ED693BF2FFC6F473BAA8F9CB76D9F9A5" box="[439,475,1633,1659]" country="Italy" name="Collection of Leptospira Strains" pageId="8" pageNumber="409">RV</collectionCode>
<location id="8EA7F5ECFFC6F473BAFEF9CB7527F9A4" LSID="urn:lsid:plazi:treatment:03D11221FFC6F476BB88FB577329FDBD:8EA7F5ECFFC6F473BAFEF9CB7527F9A4" box="[481,549,1633,1658]" county="Aleutian Trench" latitude="53.886665" longLatPrecision="107" longitude="166.92667" municipality="St." name="Vityaz" pageId="8" pageNumber="409">
<emphasis id="B90C7F25FFC6F473BAFEF9CB7527F9A4" box="[481,549,1633,1658]" italics="true" pageId="8" pageNumber="409">Vityaz</emphasis>
</location>
, cruise 20, 
<collectingMunicipality id="6BA3394DFFC6F473B9B9F9CA75C6F9A4" box="[678,708,1632,1658]" pageId="8" pageNumber="409">St.</collectingMunicipality>
3340, TS, 0 1.06.1955, 
<collectingCounty id="62A6DBBBFFC6F473B8D7F9CA7382F9A4" box="[968,1152,1632,1658]" pageId="8" pageNumber="409">Aleutian Trench</collectingCounty>
, 
<geoCoordinate id="EE4CC5F0FFC6F473BF94F9F57204F9A5" box="[1163,1286,1631,1659]" direction="north" orientation="latitude" pageId="8" pageNumber="409" precision="92" value="53.886665">53°53.2′ N</geoCoordinate>
, 
<geoCoordinate id="EE4CC5F0FFC6F473BE0EF9F57295F9A5" box="[1297,1431,1631,1659]" direction="east" orientation="longitude" pageId="8" pageNumber="409" precision="92" value="166.92667">166°55.6′ E</geoCoordinate>
, 
<elevation id="00554404FFC6F473BB88F9297636F941" box="[151,308,1667,1695]" metricMagnitude="3" metricUnit="m" metricValue="6.583500000000001" metricValueMax="6.757000000000001" metricValueMin="6.409999999999999" pageId="8" pageNumber="409" unit="m" value="6583.5" valueMax="6757.0" valueMin="6410.0">
<quantity id="4C800ED2FFC6F473BB88F9297636F941" box="[151,308,1667,1695]" metricMagnitude="3" metricUnit="m" metricValue="6.583500000000001" metricValueMax="6.757000000000001" metricValueMin="6.409999999999999" pageId="8" pageNumber="409" unit="m" value="6583.5" valueMax="6757.0" valueMin="6410.0">6410–6757 m</quantity>
</elevation>
, 
<typeStatus id="54C31D95FFC6F473BA20F92E76A6F940" box="[319,420,1668,1694]" pageId="8" pageNumber="409" type="holotype">holotype</typeStatus>
, 6 RR-rings with arms (
<typeStatus id="54C31D95FFC6F473B9B2F92E741CF940" box="[685,798,1668,1694]" pageId="8" pageNumber="409" type="paratype">paratypes</typeStatus>
)
</materialsCitation>
, IO RAS Cat. no. Ech00751–Ech00755, RRD from 
<quantity id="4C800ED2FFC6F473BE74F929761AF91D" metricMagnitude="-3" metricUnit="m" metricValue="3.16" metricValueMax="4.67" metricValueMin="1.65" pageId="8" pageNumber="409" unit="mm" value="3.16" valueMax="4.67" valueMin="1.65">1.65 to 4.67 mm</quantity>
, fragments of arms and stalks; 
<materialsCitation id="3B10A96AFFC6F473B972F90373DBF938" ID-GBIF-Occurrence="2241514706" collectionCode="RV" country="Japan" county="Trench" elevation="6380" latitude="40.915" location="Vityaz" longLatPrecision="116" longitude="144.88333" municipality="St." pageId="8" pageNumber="409" specimenCount="1" typeStatus="paratype">
<collectionCode id="ED693BF2FFC6F473B972F9037593F91D" box="[621,657,1705,1731]" country="Italy" name="Collection of Leptospira Strains" pageId="8" pageNumber="409">RV</collectionCode>
<location id="8EA7F5ECFFC6F473B989F90375D8F91C" LSID="urn:lsid:plazi:treatment:03D11221FFC6F476BB88FB577329FDBD:8EA7F5ECFFC6F473B989F90375D8F91C" box="[662,730,1705,1730]" country="Japan" county="Trench" latitude="40.915" longLatPrecision="116" longitude="144.88333" municipality="St." name="Vityaz" pageId="8" pageNumber="409">
<emphasis id="B90C7F25FFC6F473B989F90375D8F91C" box="[662,730,1705,1730]" italics="true" pageId="8" pageNumber="409">Vityaz</emphasis>
</location>
, cruise 23, 
<collectingMunicipality id="6BA3394DFFC6F473B846F9027475F91C" box="[857,887,1704,1730]" pageId="8" pageNumber="409">St.</collectingMunicipality>
3593, TG, 22.05 1957, 
<collectingCountry id="F36FE3A7FFC6F473BF62F90373BFF91D" box="[1149,1213,1705,1731]" name="Japan" pageId="8" pageNumber="409">Japan</collectingCountry>
<collectingCounty id="62A6DBBBFFC6F473BFDDF9027211F91C" box="[1218,1299,1704,1730]" pageId="8" pageNumber="409">Trench</collectingCounty>
, 
<geoCoordinate id="EE4CC5F0FFC6F473BE02F90D729AF91D" box="[1309,1432,1703,1731]" direction="north" orientation="latitude" pageId="8" pageNumber="409" precision="92" value="40.915">40°54.9′ N</geoCoordinate>
, 
<geoCoordinate id="EE4CC5F0FFC6F473BB88F961761FF939" box="[151,285,1739,1767]" direction="east" orientation="longitude" pageId="8" pageNumber="409" precision="92" value="144.88333">144°53.0′ E</geoCoordinate>
, 
<elevation id="00554404FFC6F473BA36F966767DF939" box="[297,383,1740,1767]" metricMagnitude="3" metricUnit="m" metricValue="6.38" pageId="8" pageNumber="409" unit="m" value="6380.0">
<quantity id="4C800ED2FFC6F473BA36F966767DF939" box="[297,383,1740,1767]" metricMagnitude="3" metricUnit="m" metricValue="6.38" pageId="8" pageNumber="409" unit="m" value="6380.0">6380 m</quantity>
</elevation>
, aboral cup with arms and RR-ring with proximal arms and stalk (
<typeStatus id="54C31D95FFC6F473BF7FF96673D3F938" box="[1120,1233,1740,1766]" pageId="8" pageNumber="409" type="paratype">paratypes</typeStatus>
)
</materialsCitation>
, IO RAS Cat. no. Ech00756; 
<materialsCitation id="3B10A96AFFC6F473BA07F95B752AF8D5" ID-GBIF-Occurrence="2241514672" box="[280,552,1776,1803]" collectionCode="RRD" country="Japan" pageId="8" pageNumber="409" specimenCode="RRD 1.87" specimenCount="1" typeStatus="paratype">
<specimenCode id="DBDE0B4CFFC6F473BA07F95B7688F8D4" box="[280,394,1776,1803]" collectionCode="RRD" pageId="8" pageNumber="409">RRD 1.87</specimenCode>
and 2,48 mm
</materialsCitation>
. 
<materialsCitation id="3B10A96AFFC6F473B92CF95B73B0F8F1" ID-GBIF-Occurrence="2241514703" collectingDate="1990-07-25" collectionCode="RV" collectorName="Akademik Mstislav Keldysh &amp; St." country="Japan" elevation="6861" latitude="54.87" location="Aleutian Trench" longLatPrecision="106" longitude="165.60667" pageId="8" pageNumber="409" specimenCount="1" typeStatus="paratype">
<collectionCode id="ED693BF2FFC6F473B92CF95B7555F8D5" box="[563,599,1777,1803]" country="Italy" name="Collection of Leptospira Strains" pageId="8" pageNumber="409">RV</collectionCode>
<collectorName id="268DC6E1FFC6F473B941F95A7496F8D4" box="[606,916,1776,1802]" pageId="8" pageNumber="409">
<emphasis id="B90C7F25FFC6F473B941F95A7496F8D4" box="[606,916,1776,1802]" italics="true" pageId="8" pageNumber="409">Akademik Mstislav Keldysh</emphasis>
</collectorName>
, cruise 22, 
<collectorName id="268DC6E1FFC6F473BF08F95A7337F8D4" box="[1047,1077,1776,1802]" pageId="8" pageNumber="409">St.</collectorName>
2294, TS, 
<collectingDate id="EF827C1FFFC6F473BFAEF9457230F8D4" box="[1201,1330,1775,1802]" pageId="8" pageNumber="409" value="1990-07-25">
<date id="FFC685F7FFC6F473BFAEF9457230F8D4" box="[1201,1330,1775,1802]" pageId="8" pageNumber="409" value="1990-07-25">25.07.1990</date>
</collectingDate>
, 
<location id="8EA7F5ECFFC6F473BE23F95A77EAF8F0" LSID="urn:lsid:plazi:treatment:03D11221FFC6F476BB88FB577329FDBD:8EA7F5ECFFC6F473BE23F95A77EAF8F0" country="Japan" latitude="54.87" longLatPrecision="106" longitude="165.60667" name="Aleutian Trench" pageId="8" pageNumber="409">Aleutian Trench</location>
, 
<geoCoordinate id="EE4CC5F0FFC6F473BBEAF8B97671F8F1" box="[245,371,1811,1839]" direction="north" orientation="latitude" pageId="8" pageNumber="409" precision="92" value="54.88">54°52.8′ N</geoCoordinate>
, 
<geoCoordinate id="EE4CC5F0FFC6F473BA9FF8B976FCF8F0" box="[384,510,1811,1838]" pageId="8" pageNumber="409">165°42.7’E</geoCoordinate>
– 
<geoCoordinate id="EE4CC5F0FFC6F473B913F8B9758EF8F1" box="[524,652,1811,1839]" direction="north" orientation="latitude" pageId="8" pageNumber="409" precision="92" value="54.87">54°52.2′ N</geoCoordinate>
, 
<geoCoordinate id="EE4CC5F0FFC6F473B986F8B97423F8F1" box="[665,801,1811,1839]" direction="east" orientation="longitude" pageId="8" pageNumber="409" precision="92" value="165.60667">165°36.4′ E</geoCoordinate>
, 
<elevation id="00554404FFC6F473B831F8B974CFF8F1" box="[814,973,1811,1839]" metricMagnitude="3" metricUnit="m" metricValue="6.860499999999999" metricValueMax="6.865" metricValueMin="6.856" pageId="8" pageNumber="409" unit="m" value="6860.5" valueMax="6865.0" valueMin="6856.0">
<quantity id="4C800ED2FFC6F473B831F8B974CFF8F1" box="[814,973,1811,1839]" metricMagnitude="3" metricUnit="m" metricValue="6.860499999999999" metricValueMax="6.865" metricValueMin="6.856" pageId="8" pageNumber="409" unit="m" value="6860.5" valueMax="6865.0" valueMin="6856.0">6856–6865 m</quantity>
</elevation>
, RR-ring with arms
</materialsCitation>
, RRD 
<quantity id="4C800ED2FFC6F473BE1EF8BE7268F8F1" box="[1281,1386,1812,1839]" metricMagnitude="-3" metricUnit="m" metricValue="2.4" pageId="8" pageNumber="409" unit="mm" value="2.4">2.40 mm</quantity>
), IO RAS Cat. no. Ech00757; 
<materialsCitation id="3B10A96AFFC6F473BAA7F89373A1F8A9" ID-GBIF-Occurrence="2241514686" collectingDate="2016-08-30" collectionCode="RV" collectorName="Sonne &amp; KuramBio II &amp; St." country="Japan" elevation="7243" latitude="45.656" location="Kuril-Kamchatka Trench" longLatPrecision="11" longitude="152.973" pageId="8" pageNumber="409" specimenCount="1" typeStatus="paratype">
<collectionCode id="ED693BF2FFC6F473BAA7F89376DEF88D" box="[440,476,1849,1875]" country="Italy" name="Collection of Leptospira Strains" pageId="8" pageNumber="409">RV</collectionCode>
<collectorName id="268DC6E1FFC6F473BAFBF892752FF88C" box="[484,557,1848,1874]" pageId="8" pageNumber="409">Sonne</collectorName>
, 
<collectorName id="268DC6E1FFC6F473B925F89275C9F88D" box="[570,715,1848,1875]" pageId="8" pageNumber="409">KuramBio II</collectorName>
expedition, 
<collectorName id="268DC6E1FFC6F473B847F8927474F88C" box="[856,886,1848,1874]" pageId="8" pageNumber="409">St.</collectorName>
43, AGT, 
<collectingDate id="EF827C1FFFC6F473B8F1F892736DF88C" box="[1006,1135,1848,1874]" pageId="8" pageNumber="409" value="2016-08-30">
<date id="FFC685F7FFC6F473B8F1F892736DF88C" box="[1006,1135,1848,1874]" pageId="8" pageNumber="409" value="2016-08-30">30.08.2016</date>
</collectingDate>
, 
<location id="8EA7F5ECFFC6F473BF64F892729AF88C" LSID="urn:lsid:plazi:treatment:03D11221FFC6F476BB88FB577329FDBD:8EA7F5ECFFC6F473BF64F892729AF88C" box="[1147,1432,1848,1874]" country="Japan" latitude="45.656" longLatPrecision="11" longitude="152.973" name="Kuril-Kamchatka Trench" pageId="8" pageNumber="409">Kuril-Kamchatka Trench</location>
, 
<geoCoordinate id="EE4CC5F0FFC6F473BB88F8F17621F8A9" box="[151,291,1883,1911]" direction="north" orientation="latitude" pageId="8" pageNumber="409" precision="9" value="45.641834">45°38.51′ N</geoCoordinate>
, 
<geoCoordinate id="EE4CC5F0FFC6F473BA30F8F176C7F8A8" box="[303,453,1883,1910]" pageId="8" pageNumber="409">152°56.77′ E</geoCoordinate>
– 
<geoCoordinate id="EE4CC5F0FFC6F473BACDF8F1755EF8A9" box="[466,604,1883,1911]" direction="north" orientation="latitude" pageId="8" pageNumber="409" precision="9" value="45.656">45°39.36′ N</geoCoordinate>
, 
<geoCoordinate id="EE4CC5F0FFC6F473B977F8F175FCF8A9" box="[616,766,1883,1911]" direction="east" orientation="longitude" pageId="8" pageNumber="409" precision="9" value="152.973">152°58.38′ E</geoCoordinate>
, 
<elevation id="00554404FFC6F473B814F8F174ABF8A9" box="[779,937,1883,1911]" metricMagnitude="3" metricUnit="m" metricValue="7.242999999999999" metricValueMax="7.245" metricValueMin="7.241" pageId="8" pageNumber="409" unit="m" value="7243.0" valueMax="7245.0" valueMin="7241.0">
<quantity id="4C800ED2FFC6F473B814F8F174ABF8A9" box="[779,937,1883,1911]" metricMagnitude="3" metricUnit="m" metricValue="7.242999999999999" metricValueMax="7.245" metricValueMin="7.241" pageId="8" pageNumber="409" unit="m" value="7243.0" valueMax="7245.0" valueMin="7241.0">7241–7245 m</quantity>
</elevation>
, 4 RR-ring with arms
</materialsCitation>
, RRD 
<quantity id="4C800ED2FFC6F473BFEDF8F6729AF8A9" box="[1266,1432,1884,1911]" metricMagnitude="-3" metricUnit="m" metricValue="3.31" metricValueMax="3.69" metricValueMin="2.93" pageId="8" pageNumber="409" unit="mm" value="3.31" valueMax="3.69" valueMin="2.93">2.93–3.69 mm</quantity>
, SMF. Total: 13 RR-rings with arms, 1 aboral cup with arms and stalk, fragments of arms and stalks; RRD from 
<quantity id="4C800ED2FFC6F473BE74F8D57619F861" metricMagnitude="-3" metricUnit="m" metricValue="3.16" metricValueMax="4.67" metricValueMin="1.65" pageId="8" pageNumber="409" unit="mm" value="3.16" valueMax="4.67" valueMin="1.65">1.65 to 4.67 mm</quantity>
.
</paragraph>
</subSubSection>
<caption id="DF07F3BFFFC7F472BB88F8B1755CF84D" httpUri="https://zenodo.org/record/2945139/files/figure.png" pageId="9" pageNumber="410" startId="9.[151,250,1819,1844]" targetBox="[232,1357,176,1780]" targetPageId="9">
<paragraph id="8BC7A337FFC7F472BB88F8B1755CF84D" blockId="9.[151,1436,1819,1940]" pageId="9" pageNumber="410">
<emphasis id="B90C7F25FFC7F472BB88F8B17616F8EA" bold="true" box="[151,276,1819,1844]" pageId="9" pageNumber="410">FIGURE 4.</emphasis>
<taxonomicName id="4C78D8B4FFC7F472BA04F8B67516F8EA" authority="Mironov, 2019" authorityName="Mironov" authorityYear="2019" box="[283,532,1820,1844]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="9" pageNumber="410" phylum="Echinodermata" rank="species" species="longipinnus" status="sp. nov.">
<emphasis id="B90C7F25FFC7F472BA04F8B67516F8EA" box="[283,532,1820,1844]" italics="true" pageId="9" pageNumber="410">Bathycrinus longipinnus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A23FC25EFFC7F472B904F8B67556F8ED" box="[539,596,1820,1844]" pageId="9" pageNumber="410" rank="species">
<emphasis id="B90C7F25FFC7F472B904F8B6754CF8EA" bold="true" box="[539,590,1820,1844]" pageId="9" pageNumber="410">n. sp</emphasis>
.
</taxonomicNameLabel>
, St. 3340, RV 
<emphasis id="B90C7F25FFC7F472B9F3F8B6742BF8ED" box="[748,809,1820,1843]" italics="true" pageId="9" pageNumber="410">Vityaz</emphasis>
: A 
<emphasis id="B90C7F25FFC7F472B857F8B67463F8EA" bold="true" box="[840,865,1820,1844]" pageId="9" pageNumber="410">—</emphasis>
RR-ring with proximal arms, holotype; B 
<emphasis id="B90C7F25FFC7F472BE16F8B67220F8EA" bold="true" box="[1289,1314,1820,1844]" pageId="9" pageNumber="410">—</emphasis>
arm with Ps 1–2, holotype; C–E 
<emphasis id="B90C7F25FFC7F472BA41F8967675F88A" bold="true" box="[350,375,1852,1876]" pageId="9" pageNumber="410">—</emphasis>
fragments of distal arms,?holotype; F 
<emphasis id="B90C7F25FFC7F472B9E4F8967416F88A" bold="true" box="[763,788,1852,1876]" pageId="9" pageNumber="410">—</emphasis>
fragment of stalk of small specimen, IO RAS No. XV-63-7; G– H 
<emphasis id="B90C7F25FFC7F472BBB6F8F677C0F8AA" bold="true" box="[169,194,1884,1908]" pageId="9" pageNumber="410">—</emphasis>
proximal stalk fragment (proxistele and mesistele) with BB-ring; I–J 
<emphasis id="B90C7F25FFC7F472B882F8F674B4F8AA" bold="true" box="[925,950,1884,1908]" pageId="9" pageNumber="410">—</emphasis>
fragment of dististele, 28 columnals, IO RAS Ech00754. Scales: A, F–J 7 mm; B–E 3 mm.
</paragraph>
</caption>
<caption id="DF07F3BFFFC4F471BB88F8F97277F812" httpUri="https://zenodo.org/record/2945147/files/figure.png" pageId="10" pageNumber="411" startId="10.[151,250,1875,1900]" targetBox="[197,1390,162,1856]" targetPageId="10">
<paragraph id="8BC7A337FFC4F471BB88F8F97277F812" blockId="10.[151,1437,1875,1996]" pageId="10" pageNumber="411">
<emphasis id="B90C7F25FFC4F471BB88F8F97616F8B2" bold="true" box="[151,276,1875,1900]" pageId="10" pageNumber="411">FIGURE 5.</emphasis>
<taxonomicName id="4C78D8B4FFC4F471BA04F8FE7517F8B2" authority="Mironov, 2019" authorityName="Mironov" authorityYear="2019" box="[283,533,1876,1900]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="10" pageNumber="411" phylum="Echinodermata" rank="species" species="longipinnus" status="sp. nov.">
<emphasis id="B90C7F25FFC4F471BA04F8FE7517F8B2" box="[283,533,1876,1900]" italics="true" pageId="10" pageNumber="411">Bathycrinus longipinnus</emphasis>
</taxonomicName>
<emphasis id="B90C7F25FFC4F471B904F8FE7559F8B2" bold="true" box="[539,603,1876,1900]" pageId="10" pageNumber="411">
<taxonomicNameLabel id="A23FC25EFFC4F471B904F8FE7554F8B2" box="[539,598,1876,1900]" pageId="10" pageNumber="411" rank="species">n. sp.</taxonomicNameLabel>
,
</emphasis>
St. 3340, RV 
<emphasis id="B90C7F25FFC4F471B9F1F8FF7429F8B2" box="[750,811,1877,1900]" italics="true" pageId="10" pageNumber="411">Vityaz</emphasis>
: A 
<emphasis id="B90C7F25FFC4F471B855F8FE7461F8B2" bold="true" box="[842,867,1876,1900]" pageId="10" pageNumber="411">—</emphasis>
RR-ring with arms, holotype, IO RAS No. XV-63-7; B, C 
<emphasis id="B90C7F25FFC4F471BBB7F8DE77C3F852" bold="true" box="[168,193,1908,1932]" pageId="10" pageNumber="411">—</emphasis>
IBrs 1–2 with rudimentary knobby processes, view from inside; D 
<emphasis id="B90C7F25FFC4F471B848F8DE7472F852" bold="true" box="[855,880,1908,1932]" pageId="10" pageNumber="411">—</emphasis>
detail of knobby process surface; E 
<emphasis id="B90C7F25FFC4F471BFCFF8DE73EBF852" bold="true" box="[1232,1257,1908,1932]" pageId="10" pageNumber="411">—</emphasis>
distal view of Br4 with muscular synarthry; F 
<emphasis id="B90C7F25FFC4F471BABAF83E76BCF872" bold="true" box="[421,446,1940,1964]" pageId="10" pageNumber="411">—</emphasis>
distal view of IIBr1 with ligamentary synarthry; G 
<emphasis id="B90C7F25FFC4F471B8AAF83E74CCF872" bold="true" box="[949,974,1940,1964]" pageId="10" pageNumber="411">—</emphasis>
pinnular with sinuate edges; H 
<emphasis id="B90C7F25FFC4F471BFE0F83E721AF872" bold="true" box="[1279,1304,1940,1964]" pageId="10" pageNumber="411">—</emphasis>
radial ossicle with upper radial processes and cuts for calcite plaques, view from outside, Scales: A 5mm; B, C, E–H 500 μm; D 200 μm.
</paragraph>
</caption>
<subSubSection id="C362F0BCFFC5F470BBD8FF327252FC82" pageId="11" pageNumber="412" type="description">
<paragraph id="8BC7A337FFC5F470BBD8FF32728AFDC4" blockId="11.[151,1437,152,2043]" pageId="11" pageNumber="412">
<emphasis id="B90C7F25FFC5F470BBD8FF32750BFF6D" bold="true" box="[199,521,152,179]" pageId="11" pageNumber="412">
Description of the 
<typeStatus id="54C31D95FFC5F470BABDFF33750BFF6D" box="[418,521,153,179]" pageId="11" pageNumber="412" type="holotype">holotype</typeStatus>
</emphasis>
(
<figureCitation id="1343BFB2FFC5F470B908FF33755FFF6D" box="[535,605,153,179]" captionStart="FIGURE 4" captionStartId="9.[151,250,1819,1844]" captionTargetBox="[232,1357,176,1780]" captionTargetId="figure@9.[213,1374,162,1799]" captionTargetPageId="9" captionText="FIGURE 4. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—RR-ring with proximal arms, holotype; B—arm with Ps 1–2, holotype; C–E—fragments of distal arms,?holotype; F—fragment of stalk of small specimen, IO RAS No. XV-63-7; G– H—proximal stalk fragment (proxistele and mesistele) with BB-ring; I–J—fragment of dististele, 28 columnals, IO RAS Ech00754. Scales: A, F–J 7 mm; B–E 3 mm." httpUri="https://zenodo.org/record/2945139/files/figure.png" pageId="11" pageNumber="412">Figs 4</figureCitation>
A–E; 5A). RR-ring slightly funnel-shaped (
<figureCitation id="1343BFB2FFC5F470BF5EFF33739CFF6D" box="[1089,1182,153,179]" captionStart="FIGURE 4" captionStartId="9.[151,250,1819,1844]" captionTargetBox="[232,1357,176,1780]" captionTargetId="figure@9.[213,1374,162,1799]" captionTargetPageId="9" captionText="FIGURE 4. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—RR-ring with proximal arms, holotype; B—arm with Ps 1–2, holotype; C–E—fragments of distal arms,?holotype; F—fragment of stalk of small specimen, IO RAS No. XV-63-7; G– H—proximal stalk fragment (proxistele and mesistele) with BB-ring; I–J—fragment of dististele, 28 columnals, IO RAS Ech00754. Scales: A, F–J 7 mm; B–E 3 mm." httpUri="https://zenodo.org/record/2945139/files/figure.png" pageId="11" pageNumber="412">Figs 4A</figureCitation>
, 
<figureCitation id="1343BFB2FFC5F470BFB6FF3273CDFF6D" box="[1193,1231,152,179]" captionStart="FIGURE 5" captionStartId="10.[151,250,1875,1900]" captionTargetBox="[197,1390,162,1856]" captionTargetId="figure@10.[197,1390,162,1856]" captionTargetPageId="10" captionText="FIGURE 5. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—RR-ring with arms, holotype, IO RAS No. XV-63-7; B, C—IBrs 1–2 with rudimentary knobby processes, view from inside; D—detail of knobby process surface; E—distal view of Br4 with muscular synarthry; F—distal view of IIBr1 with ligamentary synarthry; G—pinnular with sinuate edges; H—radial ossicle with upper radial processes and cuts for calcite plaques, view from outside, Scales: A 5mm; B, C, E–H 500 μm; D 200 μm." httpUri="https://zenodo.org/record/2945147/files/figure.png" pageId="11" pageNumber="412">5A</figureCitation>
); RRH/RRD 0.48. Surface of RR smooth. Tegmen rising to top of Br2–middle of Br3. Sides of tegmen without plates. Height of primibrachitaxis (IBr1+2ax) 
<quantity id="4C800ED2FFC5F470BA80FF4A7504FF25" box="[415,518,224,251]" metricMagnitude="-3" metricUnit="m" metricValue="4.35" pageId="11" pageNumber="412" unit="mm" value="4.35">4.35 mm</quantity>
. Ratio IBr1H/RRH 1.21, IBr1H/Br2H 1.26, IBr1H/Br1W 1.07, Br2H/Br2W 0.69. IBrs 1–2 with smooth surface and low longitudinal median convexity; their sides flattened into wide lateral flanges continuing on to secundibrachs up to Br5. Five calcite plaques (outgrowths) on interradial sutures between RR and IBr1; each plaque lies on upper corners of two adjacent radial plates and lower corners of two adjacent IBrs 1 (
<figureCitation id="1343BFB2FFC5F470BE70FEE777BCFE55" captionStart="FIGURE 4" captionStartId="9.[151,250,1819,1844]" captionTargetBox="[232,1357,176,1780]" captionTargetId="figure@9.[213,1374,162,1799]" captionTargetPageId="9" captionText="FIGURE 4. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—RR-ring with proximal arms, holotype; B—arm with Ps 1–2, holotype; C–E—fragments of distal arms,?holotype; F—fragment of stalk of small specimen, IO RAS No. XV-63-7; G– H—proximal stalk fragment (proxistele and mesistele) with BB-ring; I–J—fragment of dististele, 28 columnals, IO RAS Ech00754. Scales: A, F–J 7 mm; B–E 3 mm." httpUri="https://zenodo.org/record/2945139/files/figure.png" pageId="11" pageNumber="412">Fig. 4A</figureCitation>
). The plaque is not one-piece plate; it dissociates into numerous small pieces in 5% sodium hypochlorite. All arms incomplete. Best preserved arm about 
<quantity id="4C800ED2FFC5F470B99EFE3F75D2FE71" box="[641,720,405,431]" metricMagnitude="-2" metricUnit="m" metricValue="4.8" pageId="11" pageNumber="412" unit="mm" value="48.0">48 mm</quantity>
in length and comprises 54 Brs, 11 Ps on side of arm. Arm fragments suggest that complete arm consisted of about 80 Brs. Profile of arm (view from side) smooth. Proximal IIBrs low, IIBr1H/Br1W about 0.83. Longitudinal median convexity low, rounded, with smooth surface. Five rounded calcite plaques along the proximal margin of IIBr1-ring. Each tubercle lies on lower corners of IIBrs 1 (
<figureCitation id="1343BFB2FFC5F470BE3EFDAA727EFDC4" box="[1313,1404,512,538]" captionStart="FIGURE 4" captionStartId="9.[151,250,1819,1844]" captionTargetBox="[232,1357,176,1780]" captionTargetId="figure@9.[213,1374,162,1799]" captionTargetPageId="9" captionText="FIGURE 4. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—RR-ring with proximal arms, holotype; B—arm with Ps 1–2, holotype; C–E—fragments of distal arms,?holotype; F—fragment of stalk of small specimen, IO RAS No. XV-63-7; G– H—proximal stalk fragment (proxistele and mesistele) with BB-ring; I–J—fragment of dististele, 28 columnals, IO RAS Ech00754. Scales: A, F–J 7 mm; B–E 3 mm." httpUri="https://zenodo.org/record/2945139/files/figure.png" pageId="11" pageNumber="412">Fig. 4A</figureCitation>
).
</paragraph>
<paragraph id="8BC7A337FFC5F470BBD8FD897252FC82" blockId="11.[151,1437,152,2043]" pageId="11" pageNumber="412">
All arms incomplete; secundibrachials 5 to 54. Proximal free arm pattern 1+2 4+5 7+8 9+10 11 (9 cases) and 1+2 4+? (1 cases). Successive brachial pairs in middle and distal arm. P1 on Br10 (6 cases), Br8 (3 cases) and lacking (1 case). P1 of 10 pinnulars, 
<quantity id="4C800ED2FFC5F470B91BFDC3756AFD5B" box="[516,616,617,645]" metricMagnitude="-3" metricUnit="m" metricValue="5.37" pageId="11" pageNumber="412" unit="mm" value="5.37">5.37 mm</quantity>
in length; P2 of 11 pinnulars, 
<quantity id="4C800ED2FFC5F470B8A4FDC07313FD5B" box="[955,1041,618,645]" metricMagnitude="-3" metricUnit="m" metricValue="6.1" pageId="11" pageNumber="412" unit="mm" value="6.1">6.1 mm</quantity>
in length; PА2 of 12 pinnulars, 
<quantity id="4C800ED2FFC5F470BE66FDC077C1FD76" metricMagnitude="-3" metricUnit="m" metricValue="6.8" pageId="11" pageNumber="412" unit="mm" value="6.8">6.8 mm</quantity>
in length; more distal Ps are incomplete. Longest pinnule preserved on the arm fragment, likely belonging to 
<typeStatus id="54C31D95FFC5F470BB88FD1B77FEFD15" box="[151,252,689,715]" pageId="11" pageNumber="412" type="holotype">holotype</typeStatus>
, is 10 
<superScript id="7C0D0E7FFFC5F470BA21FD1A7649FD60" attach="left" box="[318,331,688,702]" fontSize="6" pageId="11" pageNumber="412">th</superScript>
pinnule from top of arm (or about P8); it is 
<quantity id="4C800ED2FFC5F470B821FD1B74A0FD12" box="[830,930,689,716]" metricMagnitude="-2" metricUnit="m" metricValue="1.08" pageId="11" pageNumber="412" unit="mm" value="10.8">10.8 mm</quantity>
in length, comprises 15 pinnulars, and about 3–5 pinnulars were lost (
<figureCitation id="1343BFB2FFC5F470BAB3FD7F76F6FD31" box="[428,500,725,751]" captionStart="FIGURE 4" captionStartId="9.[151,250,1819,1844]" captionTargetBox="[232,1357,176,1780]" captionTargetId="figure@9.[213,1374,162,1799]" captionTargetPageId="9" captionText="FIGURE 4. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—RR-ring with proximal arms, holotype; B—arm with Ps 1–2, holotype; C–E—fragments of distal arms,?holotype; F—fragment of stalk of small specimen, IO RAS No. XV-63-7; G– H—proximal stalk fragment (proxistele and mesistele) with BB-ring; I–J—fragment of dististele, 28 columnals, IO RAS Ech00754. Scales: A, F–J 7 mm; B–E 3 mm." httpUri="https://zenodo.org/record/2945139/files/figure.png" pageId="11" pageNumber="412">Figs 4</figureCitation>
C–-E). 6 
<superScript id="7C0D0E7FFFC5F470B94CFD7E7562FD3C" attach="left" box="[595,608,724,738]" fontSize="6" pageId="11" pageNumber="412">th</superScript>
pinnule from top of arm (or about P12) is complete, 
<quantity id="4C800ED2FFC5F470BFACFD7F720BFD2E" box="[1203,1289,725,752]" metricMagnitude="-3" metricUnit="m" metricValue="8.7" pageId="11" pageNumber="412" unit="mm" value="8.7">8.7 mm</quantity>
in length, 14 pinnulars. Pinnulars are V-shaped in cross section, their edges from slightly to strongly sinuous (
<figureCitation id="1343BFB2FFC5F470BFD9FD537222FCCD" box="[1222,1312,760,787]" captionStart="FIGURE 5" captionStartId="10.[151,250,1875,1900]" captionTargetBox="[197,1390,162,1856]" captionTargetId="figure@10.[197,1390,162,1856]" captionTargetPageId="10" captionText="FIGURE 5. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—RR-ring with arms, holotype, IO RAS No. XV-63-7; B, C—IBrs 1–2 with rudimentary knobby processes, view from inside; D—detail of knobby process surface; E—distal view of Br4 with muscular synarthry; F—distal view of IIBr1 with ligamentary synarthry; G—pinnular with sinuate edges; H—radial ossicle with upper radial processes and cuts for calcite plaques, view from outside, Scales: A 5mm; B, C, E–H 500 μm; D 200 μm." httpUri="https://zenodo.org/record/2945147/files/figure.png" pageId="11" pageNumber="412">Fig. 5G</figureCitation>
). Pinnulars 2 and 3 hemifused. Covering plates large and thin (
<figureCitation id="1343BFB2FFC5F470B9C3FCB77435FCE6" box="[732,823,797,824]" captionStart="FIGURE 6" captionStartId="12.[151,250,1874,1899]" captionTargetBox="[186,1401,162,1855]" captionTargetId="figure@12.[186,1401,162,1855]" captionTargetPageId="12" captionText="FIGURE 6. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—circumoral plates; B—tube feet plates; C—cover plates from proximal arm (Brs 5-7); D—cover plates from pinnules; E–J—facets of columnals of a stalk: E—columnal 4 (proximal proxistele), F–H—columnals 17, 20 and 22 (distal proxistele), I, J—columnals 33 and 50 (mesistele); K—facet of columnal from dististele. Scales: A–D 100 μm; E-K 500 μm." httpUri="https://zenodo.org/record/2945151/files/figure.png" pageId="11" pageNumber="412">Fig. 6D</figureCitation>
); ones from proximal Brs have local thickenings (
<figureCitation id="1343BFB2FFC5F470BE70FCB777B9FC82" captionStart="FIGURE 6" captionStartId="12.[151,250,1874,1899]" captionTargetBox="[186,1401,162,1855]" captionTargetId="figure@12.[186,1401,162,1855]" captionTargetPageId="12" captionText="FIGURE 6. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—circumoral plates; B—tube feet plates; C—cover plates from proximal arm (Brs 5-7); D—cover plates from pinnules; E–J—facets of columnals of a stalk: E—columnal 4 (proximal proxistele), F–H—columnals 17, 20 and 22 (distal proxistele), I, J—columnals 33 and 50 (mesistele); K—facet of columnal from dististele. Scales: A–D 100 μm; E-K 500 μm." httpUri="https://zenodo.org/record/2945151/files/figure.png" pageId="11" pageNumber="412">Fig. 6C</figureCitation>
). Genital expansions without additional plates. Ambulacral tube-foot plates long and x-shaped (
<figureCitation id="1343BFB2FFC5F470BFF4FCEB7246FC82" box="[1259,1348,833,860]" captionStart="FIGURE 6" captionStartId="12.[151,250,1874,1899]" captionTargetBox="[186,1401,162,1855]" captionTargetId="figure@12.[186,1401,162,1855]" captionTargetPageId="12" captionText="FIGURE 6. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—circumoral plates; B—tube feet plates; C—cover plates from proximal arm (Brs 5-7); D—cover plates from pinnules; E–J—facets of columnals of a stalk: E—columnal 4 (proximal proxistele), F–H—columnals 17, 20 and 22 (distal proxistele), I, J—columnals 33 and 50 (mesistele); K—facet of columnal from dististele. Scales: A–D 100 μm; E-K 500 μm." httpUri="https://zenodo.org/record/2945151/files/figure.png" pageId="11" pageNumber="412">Fig. 6B</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C362F0BCFFC5F470BBD8FCCE7229F8B5" pageId="11" pageNumber="412" type="materials_examined">
<paragraph id="8BC7A337FFC5F470BBD8FCCE7229F8B5" blockId="11.[151,1437,152,2043]" pageId="11" pageNumber="412">
<emphasis id="B90C7F25FFC5F470BBD8FCCE7695FCA1" bold="true" box="[199,407,868,895]" pageId="11" pageNumber="412">Other specimens.</emphasis>
<materialsCitation id="3B10A96AFFC5F470BA80FCCC760DFC7D" ID-GBIF-Occurrence="2241514679" collectionCode="RRD" collectorName="In" pageId="11" pageNumber="412" specimenCount="1">
<collectionCode id="ED693BF2FFC5F470BA80FCCC76DBFC5E" box="[415,473,870,896]" pageId="11" pageNumber="412">RRD</collectionCode>
from 
<quantity id="4C800ED2FFC5F470B93FFCCE75DDFC5E" box="[544,735,868,896]" metricMagnitude="-3" metricUnit="m" metricValue="3.16" metricValueMax="4.67" metricValueMin="1.65" pageId="11" pageNumber="412" unit="mm" value="3.16" valueMax="4.67" valueMin="1.65">1.65 to 4.67 mm</quantity>
. RR-ring slightly funnel-shaped, sometimes conical. 
<collectorName id="268DC6E1FFC5F470BE25FCCC7253FC5E" box="[1338,1361,870,896]" pageId="11" pageNumber="412">In</collectorName>
specimens with
</materialsCitation>
RRD&gt; 
<quantity id="4C800ED2FFC5F470BA67FC2376BEFC7A" box="[376,444,905,932]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="11" pageNumber="412" unit="mm" value="2.0">2 mm</quantity>
RRH/RRD varies from 0.35 to 0.57, IBr1H/ 
<materialsCitation id="3B10A96AFFC5F470B8DAFC237492FC19" ID-GBIF-Occurrence="2241514666" collectionCode="RRH" collectorName="Br &amp; Two" pageId="11" pageNumber="412" specimenCount="1">
<collectionCode id="ED693BF2FFC5F470B8DAFC237300FC7D" box="[965,1026,905,931]" pageId="11" pageNumber="412">RRH</collectionCode>
1.00–1.53, IBr1H/ 
<collectorName id="268DC6E1FFC5F470BFC4FC2373FAFC7D" box="[1243,1272,905,931]" pageId="11" pageNumber="412">Br</collectorName>
2H 1.04–1.30, IBr1H/ 
<collectorName id="268DC6E1FFC5F470BBF8FC077607FC19" box="[231,261,941,967]" pageId="11" pageNumber="412">Br</collectorName>
1W 0.801.11, 
<collectorName id="268DC6E1FFC5F470BA80FC0776B9FC19" box="[415,443,941,967]" pageId="11" pageNumber="412">Br</collectorName>
2H/ 
<collectorName id="268DC6E1FFC5F470BAFAFC077503FC19" box="[485,513,941,967]" pageId="11" pageNumber="412">Br</collectorName>
2W 0.57–0.76. 
<collectorName id="268DC6E1FFC5F470B9B3FC0475DFFC16" box="[684,733,942,968]" pageId="11" pageNumber="412">Two</collectorName>
specimens with
</materialsCitation>
RRD &lt;
<materialsCitation id="3B10A96AFFC5F470B8F3FC077318FBD1" ID-GBIF-Occurrence="2241514671" collectionCode="RRH, RRD" collectorName="Each &amp; There" pageId="11" pageNumber="412" specimenCount="1">
<quantity id="4C800ED2FFC5F470B8F3FC07732EFC16" box="[1004,1068,941,968]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="11" pageNumber="412" unit="mm" value="2.0">2 mm</quantity>
differ in having relatively higher RR-rings (
<collectionCode id="ED693BF2FFC5F470BA13FC7B7644FC35" box="[268,326,977,1003]" pageId="11" pageNumber="412">RRH</collectionCode>
/ 
<collectionCode id="ED693BF2FFC5F470BA50FC7B768BFC35" box="[335,393,977,1003]" pageId="11" pageNumber="412">RRD</collectionCode>
0.57 and 0.65), more elongated IBr2 (Br2H/Br2W 0.73 and 0.95). 
<collectorName id="268DC6E1FFC5F470BF65FC7B73B0FC35" box="[1146,1202,977,1003]" pageId="11" pageNumber="412">Each</collectorName>
radial with two long processes on inner-upper edge (
<figureCitation id="1343BFB2FFC5F470B91BFC5F7563FBD1" box="[516,609,1012,1039]" captionStart="FIGURE 5" captionStartId="10.[151,250,1875,1900]" captionTargetBox="[197,1390,162,1856]" captionTargetId="figure@10.[197,1390,162,1856]" captionTargetPageId="10" captionText="FIGURE 5. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—RR-ring with arms, holotype, IO RAS No. XV-63-7; B, C—IBrs 1–2 with rudimentary knobby processes, view from inside; D—detail of knobby process surface; E—distal view of Br4 with muscular synarthry; F—distal view of IIBr1 with ligamentary synarthry; G—pinnular with sinuate edges; H—radial ossicle with upper radial processes and cuts for calcite plaques, view from outside, Scales: A 5mm; B, C, E–H 500 μm; D 200 μm." httpUri="https://zenodo.org/record/2945147/files/figure.png" pageId="11" pageNumber="412">Fig. 5H</figureCitation>
). 
<collectorName id="268DC6E1FFC5F470B969FC5F75B5FBD1" box="[630,695,1013,1039]" pageId="11" pageNumber="412">There</collectorName>
are 8 fragments of stalks with
</materialsCitation>
BB ring and one small specimen with RR and BB-rings. BB fused or hemi-fused. BBH/BBD 
<materialsCitation id="3B10A96AFFC5F470B820FBB37225F8B5" ID-GBIF-Occurrence="2241514694" collectingDate="6 I" collectionCode="BBD" collectorName="Spines &amp; Proximal &amp; Most &amp; Brs &amp; Br &amp; Muscular &amp; The &amp; Length &amp; Number &amp; D. So &amp; Facets &amp; Fulcral &amp; Differentiation &amp; Ligament" pageId="11" pageNumber="412" specimenCount="2" typeStatus="paratype">
varies from 
<quantity id="4C800ED2FFC5F470B8D8FBB27369FBED" box="[967,1131,1048,1076]" metricMagnitude="-2" metricUnit="m" metricValue="1.2573" metricValueMax="1.3716" metricValueMin="1.143" pageId="11" pageNumber="412" unit="in" value="0.495" valueMax="0.54" valueMin="0.45">0.45 to 0.54 in</quantity>
large specimens (
<collectionCode id="ED693BF2FFC5F470BE2AFBB37272FBED" box="[1333,1392,1049,1075]" pageId="11" pageNumber="412">BBD</collectionCode>
&gt; 
<quantity id="4C800ED2FFC5F470BE91FBB377C5FB89" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="11" pageNumber="412" unit="mm" value="1.0">1 mm</quantity>
), and from 
<quantity id="4C800ED2FFC5F470BA58FB9776EBFB89" box="[327,489,1085,1111]" metricMagnitude="-2" metricUnit="m" metricValue="1.6509999999999998" metricValueMax="1.7779999999999998" metricValueMin="1.524" pageId="11" pageNumber="412" unit="in" value="0.6499999999999999" valueMax="0.7" valueMin="0.6">0.60 to 0.70 in</quantity>
small specimens (
<collectionCode id="ED693BF2FFC5F470B9A8FB9775F0FB89" box="[695,754,1085,1111]" pageId="11" pageNumber="412">BBD</collectionCode>
&lt;
<quantity id="4C800ED2FFC5F470B80FFB977457FB89" box="[784,853,1085,1111]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="11" pageNumber="412" unit="mm" value="1.0">1 mm</quantity>
). Tegmen rising to top of Br2 or Br3; anal sac rising to middle of Br3 or Br4. Ambulacral grooves not reaching oral opening, extend out to circumoral elevation of soft tissue. Large tube-feet and plates (
<figureCitation id="1343BFB2FFC5F470B908FB29756DFB40" box="[535,623,1155,1182]" captionStart="FIGURE 6" captionStartId="12.[151,250,1874,1899]" captionTargetBox="[186,1401,162,1855]" captionTargetId="figure@12.[186,1401,162,1855]" captionTargetPageId="12" captionText="FIGURE 6. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—circumoral plates; B—tube feet plates; C—cover plates from proximal arm (Brs 5-7); D—cover plates from pinnules; E–J—facets of columnals of a stalk: E—columnal 4 (proximal proxistele), F–H—columnals 17, 20 and 22 (distal proxistele), I, J—columnals 33 and 50 (mesistele); K—facet of columnal from dististele. Scales: A–D 100 μm; E-K 500 μm." httpUri="https://zenodo.org/record/2945151/files/figure.png" pageId="11" pageNumber="412">Fig. 6A</figureCitation>
) located along aboral margin of circumoral elevation; two thick rounded ambulacral tubes in each interradius, and two flat rounded plates located aborally of tube feet. The 
<typeStatus id="54C31D95FFC5F470BFECFB027251FB1C" box="[1267,1363,1192,1218]" pageId="11" pageNumber="412" type="paratype">paratype</typeStatus>
3 was dissociated to examine knobby processes. IBrs2-circlet with 6 rudimentary knobby processes: two IBrs 2 with two processes (
<figureCitation id="1343BFB2FFC5F470BA0EFB447665FAD6" box="[273,359,1261,1288]" captionStart="FIGURE 5" captionStartId="10.[151,250,1875,1900]" captionTargetBox="[197,1390,162,1856]" captionTargetId="figure@10.[197,1390,162,1856]" captionTargetPageId="10" captionText="FIGURE 5. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—RR-ring with arms, holotype, IO RAS No. XV-63-7; B, C—IBrs 1–2 with rudimentary knobby processes, view from inside; D—detail of knobby process surface; E—distal view of Br4 with muscular synarthry; F—distal view of IIBr1 with ligamentary synarthry; G—pinnular with sinuate edges; H—radial ossicle with upper radial processes and cuts for calcite plaques, view from outside, Scales: A 5mm; B, C, E–H 500 μm; D 200 μm." httpUri="https://zenodo.org/record/2945147/files/figure.png" pageId="11" pageNumber="412">Fig. 5B</figureCitation>
), two IBrs 2 with one process, and one IBr2 without processes. 
<collectorName id="268DC6E1FFC5F470BF3BFB44736DFAD6" box="[1060,1135,1262,1288]" pageId="11" pageNumber="412">Spines</collectorName>
(on surface of knobby processes) not pointed and at tops of subparallel stereom columns (
<figureCitation id="1343BFB2FFC5F470B87EFABB74B9FAF2" box="[865,955,1297,1324]" captionStart="FIGURE 5" captionStartId="10.[151,250,1875,1900]" captionTargetBox="[197,1390,162,1856]" captionTargetId="figure@10.[197,1390,162,1856]" captionTargetPageId="10" captionText="FIGURE 5. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—RR-ring with arms, holotype, IO RAS No. XV-63-7; B, C—IBrs 1–2 with rudimentary knobby processes, view from inside; D—detail of knobby process surface; E—distal view of Br4 with muscular synarthry; F—distal view of IIBr1 with ligamentary synarthry; G—pinnular with sinuate edges; H—radial ossicle with upper radial processes and cuts for calcite plaques, view from outside, Scales: A 5mm; B, C, E–H 500 μm; D 200 μm." httpUri="https://zenodo.org/record/2945147/files/figure.png" pageId="11" pageNumber="412">Fig. 5D</figureCitation>
). IBrs 1-circlet with 4 rudimentary knobby processes on upper part of ossicle (
<figureCitation id="1343BFB2FFC5F470B93DFA9F7579FA91" box="[546,635,1332,1359]" captionStart="FIGURE 5" captionStartId="10.[151,250,1875,1900]" captionTargetBox="[197,1390,162,1856]" captionTargetId="figure@10.[197,1390,162,1856]" captionTargetPageId="10" captionText="FIGURE 5. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—RR-ring with arms, holotype, IO RAS No. XV-63-7; B, C—IBrs 1–2 with rudimentary knobby processes, view from inside; D—detail of knobby process surface; E—distal view of Br4 with muscular synarthry; F—distal view of IIBr1 with ligamentary synarthry; G—pinnular with sinuate edges; H—radial ossicle with upper radial processes and cuts for calcite plaques, view from outside, Scales: A 5mm; B, C, E–H 500 μm; D 200 μm." httpUri="https://zenodo.org/record/2945147/files/figure.png" pageId="11" pageNumber="412">Fig. 5C</figureCitation>
). 
<collectorName id="268DC6E1FFC5F470B990FA9F75F4FA91" box="[655,758,1333,1359]" pageId="11" pageNumber="412">Proximal</collectorName>
patterns and position of P1 examined in 60 arms (excluding 9 arms of the 
<typeStatus id="54C31D95FFC5F470BA30FAF37694FAAA" box="[303,406,1369,1396]" pageId="11" pageNumber="412" type="holotype">holotype</typeStatus>
). 
<collectorName id="268DC6E1FFC5F470BAB7FAF376E0FAAD" box="[424,482,1369,1395]" pageId="11" pageNumber="412">Most</collectorName>
frequent proximal arm patterns 1+2 4+5 7+8 9+10 11 (28 cases or 47%) and 1+2 4+5 6+7 8+9 10 (21 cases or 35%). P1 on 
<collectorName id="268DC6E1FFC5F470B927FAD7755DFA49" box="[568,607,1405,1431]" pageId="11" pageNumber="412">Brs</collectorName>
8–13; most frequent positions on 
<collectorName id="268DC6E1FFC5F470B8C6FAD774F5FA49" box="[985,1015,1405,1431]" pageId="11" pageNumber="412">Br</collectorName>
8 (24 cases or 40%) and 
<collectorName id="268DC6E1FFC5F470BE1AFAD77220FA49" box="[1285,1314,1405,1431]" pageId="11" pageNumber="412">Br</collectorName>
9 (19 cases or 32%; see also 
<tableCitation id="C6FA968CFFC5F470BA44FA0B76ADFA65" box="[347,431,1441,1467]" captionStart="TABLE 1" captionStartId="3.[151,239,874,898]" captionTargetPageId="3" captionText="TABLE 1. Proximal patterns and position of P1 in the hadal Bathycrinus species from NW Pacific" httpUri="http://table.plazi.org/id/DF07F3BFFFCDF478BB88FCC073B1FC5D" pageId="11" pageNumber="412" tableUuid="DF07F3BFFFCDF478BB88FCC073B1FC5D">Table 1</tableCitation>
). 
<collectorName id="268DC6E1FFC5F470BAD7FA0B7530FA65" box="[456,562,1441,1467]" pageId="11" pageNumber="412">Muscular</collectorName>
and nonmuscular synarthrial facets of free arms with classical features (
<figureCitation id="1343BFB2FFC5F470BE74FA0B77D5FA01" captionStart="FIGURE 5" captionStartId="10.[151,250,1875,1900]" captionTargetBox="[197,1390,162,1856]" captionTargetId="figure@10.[197,1390,162,1856]" captionTargetPageId="10" captionText="FIGURE 5. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—RR-ring with arms, holotype, IO RAS No. XV-63-7; B, C—IBrs 1–2 with rudimentary knobby processes, view from inside; D—detail of knobby process surface; E—distal view of Br4 with muscular synarthry; F—distal view of IIBr1 with ligamentary synarthry; G—pinnular with sinuate edges; H—radial ossicle with upper radial processes and cuts for calcite plaques, view from outside, Scales: A 5mm; B, C, E–H 500 μm; D 200 μm." httpUri="https://zenodo.org/record/2945147/files/figure.png" pageId="11" pageNumber="412">Figs 5E, F</figureCitation>
). 
<collectorName id="268DC6E1FFC5F470BBF5FA6F7614FA01" box="[234,278,1477,1503]" pageId="11" pageNumber="412">The</collectorName>
longest fragment of stalk (St. 3340) composes of 52 columnals, 
<quantity id="4C800ED2FFC5F470B8F9FA6F7340FA01" box="[998,1090,1477,1503]" metricMagnitude="-1" metricUnit="m" metricValue="1.16" pageId="11" pageNumber="412" unit="mm" value="116.0">116 mm</quantity>
in length (
<figureCitation id="1343BFB2FFC5F470BFA6FA6F7238FA01" box="[1209,1338,1477,1503]" captionStart="FIGURE 4" captionStartId="9.[151,250,1819,1844]" captionTargetBox="[232,1357,176,1780]" captionTargetId="figure@9.[213,1374,162,1799]" captionTargetPageId="9" captionText="FIGURE 4. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—RR-ring with proximal arms, holotype; B—arm with Ps 1–2, holotype; C–E—fragments of distal arms,?holotype; F—fragment of stalk of small specimen, IO RAS No. XV-63-7; G– H—proximal stalk fragment (proxistele and mesistele) with BB-ring; I–J—fragment of dististele, 28 columnals, IO RAS Ech00754. Scales: A, F–J 7 mm; B–E 3 mm." httpUri="https://zenodo.org/record/2945139/files/figure.png" pageId="11" pageNumber="412">Figs 4G, H</figureCitation>
). 
<collectorName id="268DC6E1FFC5F470BE52FA6F729EFA01" box="[1357,1436,1477,1503]" pageId="11" pageNumber="412">Length</collectorName>
of complete stalk more than 
<quantity id="4C800ED2FFC5F470BACCFA437530F9DD" box="[467,562,1513,1539]" metricMagnitude="-1" metricUnit="m" metricValue="2.0" pageId="11" pageNumber="412" unit="mm" value="200.0">200 mm</quantity>
. 
<collectorName id="268DC6E1FFC5F470B923FA43759AF9DD" box="[572,664,1513,1539]" pageId="11" pageNumber="412">Number</collectorName>
of proximal short columnals varies from 
<quantity id="4C800ED2FFC5F470BF7BFA4373D9F9DD" box="[1124,1243,1513,1539]" metricMagnitude="-1" metricUnit="m" metricValue="6.223" metricValueMax="8.128" metricValueMin="4.318" pageId="11" pageNumber="412" unit="in" value="24.5" valueMax="32.0" valueMin="17.0">17 to 32 in</quantity>
larger specimens (
<collectionCode id="ED693BF2FFC5F470BB80F9A777D8F9F9" box="[159,218,1549,1575]" pageId="11" pageNumber="412">BBD</collectionCode>
&gt; 
<quantity id="4C800ED2FFC5F470BBE5F9A77642F9F9" box="[250,320,1549,1575]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="11" pageNumber="412" unit="mm" value="1.0">1 mm</quantity>
), and from 
<quantity id="4C800ED2FFC5F470BADBF9A77542F9F9" box="[452,576,1548,1575]" metricMagnitude="-1" metricUnit="m" metricValue="3.175" metricValueMax="3.81" metricValueMin="2.54" pageId="11" pageNumber="412" unit="in" value="12.5" valueMax="15.0" valueMin="10.0">10 to 15 in</quantity>
small specimens (
<collectionCode id="ED693BF2FFC5F470B80EF9A7744EF9F9" box="[785,844,1549,1575]" pageId="11" pageNumber="412">BBD</collectionCode>
&lt;
<quantity id="4C800ED2FFC5F470B872F9A774B1F9F9" box="[877,947,1549,1575]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="11" pageNumber="412" unit="mm" value="1.0">1 mm</quantity>
). 
<collectorName id="268DC6E1FFC5F470B8D9F9A774F0F9F9" box="[966,1010,1549,1575]" pageId="11" pageNumber="412">The</collectorName>
thicker the stalk, the lower the maximum H/ 
<collectorName id="268DC6E1FFC5F470BBE7F99B7635F995" box="[248,311,1585,1611]" pageId="11" pageNumber="412">D. So</collectorName>
thin stalk (
<figureCitation id="1343BFB2FFC5F470BAA7F99B750FF995" box="[440,525,1585,1611]" captionStart="FIGURE 4" captionStartId="9.[151,250,1819,1844]" captionTargetBox="[232,1357,176,1780]" captionTargetId="figure@9.[213,1374,162,1799]" captionTargetPageId="9" captionText="FIGURE 4. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—RR-ring with proximal arms, holotype; B—arm with Ps 1–2, holotype; C–E—fragments of distal arms,?holotype; F—fragment of stalk of small specimen, IO RAS No. XV-63-7; G– H—proximal stalk fragment (proxistele and mesistele) with BB-ring; I–J—fragment of dististele, 28 columnals, IO RAS Ech00754. Scales: A, F–J 7 mm; B–E 3 mm." httpUri="https://zenodo.org/record/2945139/files/figure.png" pageId="11" pageNumber="412">Fig. 4F</figureCitation>
) characterized by maximum H/D 3.51 (D of most elongate columnal 
<quantity id="4C800ED2FFC5F470BE38F99B7292F995" box="[1319,1424,1585,1611]" metricMagnitude="-4" metricUnit="m" metricValue="8.1" pageId="11" pageNumber="412" unit="mm" value="0.81">0.81 mm</quantity>
), and thicker stalk (
<figureCitation id="1343BFB2FFC5F470BA41F9FF76D4F9B1" box="[350,470,1621,1647]" captionStart="FIGURE 4" captionStartId="9.[151,250,1819,1844]" captionTargetBox="[232,1357,176,1780]" captionTargetId="figure@9.[213,1374,162,1799]" captionTargetPageId="9" captionText="FIGURE 4. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—RR-ring with proximal arms, holotype; B—arm with Ps 1–2, holotype; C–E—fragments of distal arms,?holotype; F—fragment of stalk of small specimen, IO RAS No. XV-63-7; G– H—proximal stalk fragment (proxistele and mesistele) with BB-ring; I–J—fragment of dististele, 28 columnals, IO RAS Ech00754. Scales: A, F–J 7 mm; B–E 3 mm." httpUri="https://zenodo.org/record/2945139/files/figure.png" pageId="11" pageNumber="412">Fig. 4G, H</figureCitation>
) displays maximum H/D 2.35 (D of most elongate columnal 
<quantity id="4C800ED2FFC5F470BF9FF9FF73EAF9B1" box="[1152,1256,1621,1647]" metricMagnitude="-3" metricUnit="m" metricValue="1.73" pageId="11" pageNumber="412" unit="mm" value="1.73">1.73 mm</quantity>
). 
<collectorName id="268DC6E1FFC5F470BFE5F9FF7240F9B1" box="[1274,1346,1621,1647]" pageId="11" pageNumber="412">Facets</collectorName>
slightly lobate in proxistele (
<figureCitation id="1343BFB2FFC5F470BA63F9D376D0F94A" box="[380,466,1657,1684]" captionStart="FIGURE 6" captionStartId="12.[151,250,1874,1899]" captionTargetBox="[186,1401,162,1855]" captionTargetId="figure@12.[186,1401,162,1855]" captionTargetPageId="12" captionText="FIGURE 6. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—circumoral plates; B—tube feet plates; C—cover plates from proximal arm (Brs 5-7); D—cover plates from pinnules; E–J—facets of columnals of a stalk: E—columnal 4 (proximal proxistele), F–H—columnals 17, 20 and 22 (distal proxistele), I, J—columnals 33 and 50 (mesistele); K—facet of columnal from dististele. Scales: A–D 100 μm; E-K 500 μm." httpUri="https://zenodo.org/record/2945151/files/figure.png" pageId="11" pageNumber="412">Fig. 6E</figureCitation>
), elliptical (D/d up to 1.16) with longitudinal position of fulcral ridge in mesistele (
<figureCitation id="1343BFB2FFC5F470BE70F9D377B2F966" captionStart="FIGURE 6" captionStartId="12.[151,250,1874,1899]" captionTargetBox="[186,1401,162,1855]" captionTargetId="figure@12.[186,1401,162,1855]" captionTargetPageId="12" captionText="FIGURE 6. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—circumoral plates; B—tube feet plates; C—cover plates from proximal arm (Brs 5-7); D—cover plates from pinnules; E–J—facets of columnals of a stalk: E—columnal 4 (proximal proxistele), F–H—columnals 17, 20 and 22 (distal proxistele), I, J—columnals 33 and 50 (mesistele); K—facet of columnal from dististele. Scales: A–D 100 μm; E-K 500 μm." httpUri="https://zenodo.org/record/2945151/files/figure.png" pageId="11" pageNumber="412">
Fig. 
<collectingDate id="EF827C1FFFC5F470BB88F93777B2F966" box="[151,176,1693,1720]" pageId="11" pageNumber="412">
<date id="FFC685F7FFC5F470BB88F93777B2F966" box="[151,176,1693,1720]" pageId="11" pageNumber="412">6I</date>
</collectingDate>
</figureCitation>
), slightly elliptical (D/d up to 1.03) with slightly transverse position of fulcral ridge in distal mesistele (
<figureCitation id="1343BFB2FFC5F470BE21F937728CF966" box="[1342,1422,1693,1720]" captionStart="FIGURE 6" captionStartId="12.[151,250,1874,1899]" captionTargetBox="[186,1401,162,1855]" captionTargetId="figure@12.[186,1401,162,1855]" captionTargetPageId="12" captionText="FIGURE 6. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—circumoral plates; B—tube feet plates; C—cover plates from proximal arm (Brs 5-7); D—cover plates from pinnules; E–J—facets of columnals of a stalk: E—columnal 4 (proximal proxistele), F–H—columnals 17, 20 and 22 (distal proxistele), I, J—columnals 33 and 50 (mesistele); K—facet of columnal from dististele. Scales: A–D 100 μm; E-K 500 μm." httpUri="https://zenodo.org/record/2945151/files/figure.png" pageId="11" pageNumber="412">Fig. 6J</figureCitation>
), and elliptical (D/d up to 1.6) with longitudinal position of fulcral ridge in dististele (
<figureCitation id="1343BFB2FFC5F470BF21F96B739AF902" box="[1086,1176,1729,1756]" captionStart="FIGURE 6" captionStartId="12.[151,250,1874,1899]" captionTargetBox="[186,1401,162,1855]" captionTargetId="figure@12.[186,1401,162,1855]" captionTargetPageId="12" captionText="FIGURE 6. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—circumoral plates; B—tube feet plates; C—cover plates from proximal arm (Brs 5-7); D—cover plates from pinnules; E–J—facets of columnals of a stalk: E—columnal 4 (proximal proxistele), F–H—columnals 17, 20 and 22 (distal proxistele), I, J—columnals 33 and 50 (mesistele); K—facet of columnal from dististele. Scales: A–D 100 μm; E-K 500 μm." httpUri="https://zenodo.org/record/2945151/files/figure.png" pageId="11" pageNumber="412">Fig. 6K</figureCitation>
). 
<collectorName id="268DC6E1FFC5F470BFB3F96B73F9F905" box="[1196,1275,1729,1755]" pageId="11" pageNumber="412">Fulcral</collectorName>
ridge of distal mesistele with sinuous borders (
<figureCitation id="1343BFB2FFC5F470B91DF94F7556F8DE" box="[514,596,1765,1792]" captionStart="FIGURE 6" captionStartId="12.[151,250,1874,1899]" captionTargetBox="[186,1401,162,1855]" captionTargetId="figure@12.[186,1401,162,1855]" captionTargetPageId="12" captionText="FIGURE 6. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—circumoral plates; B—tube feet plates; C—cover plates from proximal arm (Brs 5-7); D—cover plates from pinnules; E–J—facets of columnals of a stalk: E—columnal 4 (proximal proxistele), F–H—columnals 17, 20 and 22 (distal proxistele), I, J—columnals 33 and 50 (mesistele); K—facet of columnal from dististele. Scales: A–D 100 μm; E-K 500 μm." httpUri="https://zenodo.org/record/2945151/files/figure.png" pageId="11" pageNumber="412">Fig. 6J</figureCitation>
). 
<collectorName id="268DC6E1FFC5F470B977F94F75B2F921" box="[616,688,1765,1791]" pageId="11" pageNumber="412">Facets</collectorName>
of distalmost columnals with irregular relief on fulcral ridge (
<figureCitation id="1343BFB2FFC5F470BE70F94F77BFF8FA" captionStart="FIGURE 6" captionStartId="12.[151,250,1874,1899]" captionTargetBox="[186,1401,162,1855]" captionTargetId="figure@12.[186,1401,162,1855]" captionTargetPageId="12" captionText="FIGURE 6. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—circumoral plates; B—tube feet plates; C—cover plates from proximal arm (Brs 5-7); D—cover plates from pinnules; E–J—facets of columnals of a stalk: E—columnal 4 (proximal proxistele), F–H—columnals 17, 20 and 22 (distal proxistele), I, J—columnals 33 and 50 (mesistele); K—facet of columnal from dististele. Scales: A–D 100 μm; E-K 500 μm." httpUri="https://zenodo.org/record/2945151/files/figure.png" pageId="11" pageNumber="412">Fig. 6K</figureCitation>
). 
<collectorName id="268DC6E1FFC5F470BBCCF8A3767BF8FD" box="[211,377,1801,1827]" pageId="11" pageNumber="412">Differentiation</collectorName>
of fulcral ridge and areola (ligament area) begins at distal proxistele, occurs along mesistele with maximally developed in dististele. 
<collectorName id="268DC6E1FFC5F470B97FF88775C9F899" box="[608,715,1837,1863]" pageId="11" pageNumber="412">Ligament</collectorName>
fosse in distal proxistele and proximal mesistele with irregular bottom (
<figureCitation id="1343BFB2FFC5F470BBEAF8FB7671F8B5" box="[245,371,1873,1899]" captionStart="FIGURE 6" captionStartId="12.[151,250,1874,1899]" captionTargetBox="[186,1401,162,1855]" captionTargetId="figure@12.[186,1401,162,1855]" captionTargetPageId="12" captionText="FIGURE 6. Bathycrinus longipinnus n. sp., St. 3340, RV Vityaz: A—circumoral plates; B—tube feet plates; C—cover plates from proximal arm (Brs 5-7); D—cover plates from pinnules; E–J—facets of columnals of a stalk: E—columnal 4 (proximal proxistele), F–H—columnals 17, 20 and 22 (distal proxistele), I, J—columnals 33 and 50 (mesistele); K—facet of columnal from dististele. Scales: A–D 100 μm; E-K 500 μm." httpUri="https://zenodo.org/record/2945151/files/figure.png" pageId="11" pageNumber="412">Figs 6G, H</figureCitation>
) that results from deepening and grouping of several proximal ligament depressions
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C362F0BCFFC5F476BBD8F8DF7579FDE1" lastPageId="13" lastPageNumber="414" pageId="11" pageNumber="412" type="discussion">
<paragraph id="8BC7A337FFC5F470BBD8F8DF7323F825" blockId="11.[151,1437,152,2043]" pageId="11" pageNumber="412">
<emphasis id="B90C7F25FFC5F470BBD8F8DF7639F851" bold="true" box="[199,315,1909,1935]" pageId="11" pageNumber="412">Remarks.</emphasis>
The knobby processes are totally absent in 
<taxonomicName id="4C78D8B4FFC5F470B800F8DC749CF851" baseAuthorityName="Mironov" baseAuthorityYear="2000" box="[799,926,1909,1935]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="11" pageNumber="412" phylum="Echinodermata" rank="species" species="volubilis">
<emphasis id="B90C7F25FFC5F470B800F8DC749CF851" box="[799,926,1909,1935]" italics="true" pageId="11" pageNumber="412">B. volubilis</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C78D8B4FFC5F470B8CCF8DC7332F851" authorityName="Mironov" authorityYear="2019" box="[979,1072,1909,1935]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="11" pageNumber="412" phylum="Echinodermata" rank="species" species="kirilli">
<emphasis id="B90C7F25FFC5F470B8CCF8DC7332F851" box="[979,1072,1909,1935]" italics="true" pageId="11" pageNumber="412">B. kirilli</emphasis>
</taxonomicName>
, and rudimentary in 
<taxonomicName id="4C78D8B4FFC5F470BE08F8DC77BCF86D" authorityName="Mironov" authorityYear="2019" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="11" pageNumber="412" phylum="Echinodermata" rank="species" species="longipinnus">
<emphasis id="B90C7F25FFC5F470BE08F8DC77BCF86D" italics="true" pageId="11" pageNumber="412">B. longipinnus</emphasis>
</taxonomicName>
. Other species of the family 
<taxonomicName id="4C78D8B4FFC5F470BAE0F833759EF86D" authorityName="Bather" authorityYear="1899" box="[511,668,1945,1971]" class="Crinoidea" family="Bathycrinidae" kingdom="Animalia" order="Bourgueticrinida" pageId="11" pageNumber="412" phylum="Echinodermata" rank="family">Bathycrinidae</taxonomicName>
have well developed knobby processes (
<tableCitation id="C6FA968CFFC5F470BF7EF83373BAF86D" box="[1121,1208,1945,1971]" captionStart="TABLE 2" captionStartId="8.[151,239,154,178]" captionTargetPageId="8" captionText="TABLE 2. Features of the Bathycrinus species from NW Pacific." httpUri="http://table.plazi.org/id/DF07F3BFFFC6F473BB88FF307452FF6C" pageId="11" pageNumber="412" tableUuid="DF07F3BFFFC6F473BB88FF307452FF6C">Table 2</tableCitation>
). Presence of calcite plaques (outgrowths) on the suture between the RR-ring and IBrs as well as the plaques along the lower margin of IIBr1-ring in 
<taxonomicName id="4C78D8B4FFC5F470BA31F84876D3F825" authorityName="Mironov" authorityYear="2019" box="[302,465,2017,2043]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="11" pageNumber="412" phylum="Echinodermata" rank="species" species="longipinnus">
<emphasis id="B90C7F25FFC5F470BA31F84876D3F825" box="[302,465,2017,2043]" italics="true" pageId="11" pageNumber="412">B. longipinnus</emphasis>
</taxonomicName>
are unique features within the family 
<taxonomicName id="4C78D8B4FFC5F470B863F84B731FF825" authorityName="Bather" authorityYear="1899" box="[892,1053,2017,2043]" class="Crinoidea" family="Bathycrinidae" kingdom="Animalia" order="Bourgueticrinida" pageId="11" pageNumber="412" phylum="Echinodermata" rank="family">Bathycrinidae</taxonomicName>
.
</paragraph>
<caption id="DF07F3BFFFC2F477BB88F8F87598F815" httpUri="https://zenodo.org/record/2945151/files/figure.png" pageId="12" pageNumber="413" startId="12.[151,250,1874,1899]" targetBox="[186,1401,162,1855]" targetPageId="12">
<paragraph id="8BC7A337FFC2F477BB88F8F87598F815" blockId="12.[151,1436,1874,1995]" pageId="12" pageNumber="413">
<emphasis id="B90C7F25FFC2F477BB88F8F87616F8B5" bold="true" box="[151,276,1874,1899]" pageId="12" pageNumber="413">FIGURE 6.</emphasis>
<taxonomicName id="4C78D8B4FFC2F477BA04F8F97517F8B5" authority="Mironov, 2019" authorityName="Mironov" authorityYear="2019" box="[283,533,1875,1899]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="12" pageNumber="413" phylum="Echinodermata" rank="species" species="longipinnus" status="sp. nov.">
<emphasis id="B90C7F25FFC2F477BA04F8F97517F8B5" box="[283,533,1875,1899]" italics="true" pageId="12" pageNumber="413">Bathycrinus longipinnus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A23FC25EFFC2F477B903F8F97554F8B4" box="[540,598,1875,1899]" pageId="12" pageNumber="413" rank="species">
<emphasis id="B90C7F25FFC2F477B903F8F97552F8B5" bold="true" box="[540,592,1875,1899]" pageId="12" pageNumber="413">n. sp</emphasis>
.
</taxonomicNameLabel>
, St. 3340, RV 
<emphasis id="B90C7F25FFC2F477B9F0F8FE742EF8B5" box="[751,812,1876,1899]" italics="true" pageId="12" pageNumber="413">Vityaz</emphasis>
: A 
<emphasis id="B90C7F25FFC2F477B853F8F97467F8B5" bold="true" box="[844,869,1875,1899]" pageId="12" pageNumber="413">—</emphasis>
circumoral plates; B 
<emphasis id="B90C7F25FFC2F477BF2BF8F9734FF8B5" bold="true" box="[1076,1101,1875,1899]" pageId="12" pageNumber="413">—</emphasis>
tube feet plates; C 
<emphasis id="B90C7F25FFC2F477BE17F8F97223F8B5" bold="true" box="[1288,1313,1875,1899]" pageId="12" pageNumber="413">—</emphasis>
cover plates from proximal arm (Brs 5-7); D 
<emphasis id="B90C7F25FFC2F477BAFFF8D976FBF855" bold="true" box="[480,505,1907,1931]" pageId="12" pageNumber="413">—</emphasis>
cover plates from pinnules; E–J 
<emphasis id="B90C7F25FFC2F477B820F8D9745AF855" bold="true" box="[831,856,1907,1931]" pageId="12" pageNumber="413">—</emphasis>
facets of columnals of a stalk: E 
<emphasis id="B90C7F25FFC2F477BFBAF8D973BCF855" bold="true" box="[1189,1214,1907,1931]" pageId="12" pageNumber="413">—</emphasis>
columnal 4 (proximal proxistele), F–H 
<emphasis id="B90C7F25FFC2F477BA20F839765AF875" bold="true" box="[319,344,1939,1963]" pageId="12" pageNumber="413">—</emphasis>
columnals 17, 20 and 22 (distal proxistele), I, J 
<emphasis id="B90C7F25FFC2F477B85BF839745FF875" bold="true" box="[836,861,1939,1963]" pageId="12" pageNumber="413">—</emphasis>
columnals 33 and 50 (mesistele); K 
<emphasis id="B90C7F25FFC2F477BFD1F83973E5F875" bold="true" box="[1230,1255,1939,1963]" pageId="12" pageNumber="413">—</emphasis>
facet of columnal from dististele. Scales: A–D 100 μm; E-K 500 μm.
</paragraph>
</caption>
<paragraph id="8BC7A337FFC3F476BBD8FF337579FDE1" blockId="13.[151,1437,153,611]" pageId="13" pageNumber="414">
Irregular relief on the fulclar ridge of the distalmost columnals is known in 
<emphasis id="B90C7F25FFC3F476BF19FF307231FF6D" box="[1030,1331,153,179]" italics="true" pageId="13" pageNumber="414">
<taxonomicName id="4C78D8B4FFC3F476BF19FF3073A9FF6D" authorityName="Mironov" authorityYear="2019" box="[1030,1195,153,179]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="13" pageNumber="414" phylum="Echinodermata" rank="species" species="longipinnus">B. longipinnus</taxonomicName>
, 
<taxonomicName id="4C78D8B4FFC3F476BFAAFF307231FF6D" baseAuthorityName="Mironov" baseAuthorityYear="2000" box="[1205,1331,153,179]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="13" pageNumber="414" phylum="Echinodermata" rank="species" species="volubilis">B. volubilis</taxonomicName>
</emphasis>
, 
<taxonomicName id="4C78D8B4FFC3F476BE5FFF30729EFF6D" authorityName="Mironov" authorityYear="2019" box="[1344,1436,153,179]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="13" pageNumber="414" phylum="Echinodermata" rank="species" species="kirilli">
<emphasis id="B90C7F25FFC3F476BE5FFF30729EFF6D" box="[1344,1436,153,179]" italics="true" pageId="13" pageNumber="414">B. kirilli</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C78D8B4FFC3F476BBD7FF147592FF09" authority="(Roux &amp; Messing 2017)" authorityName="Roux &amp; Messing" authorityYear="2017" baseAuthorityName="Roux &amp; Messing" baseAuthorityYear="2017" box="[200,656,189,215]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="13" pageNumber="414" phylum="Echinodermata" rank="species" species="equatorialis">
<emphasis id="B90C7F25FFC3F476BBD7FF14766DFF09" box="[200,367,189,215]" italics="true" pageId="13" pageNumber="414">B. equatorialis</emphasis>
(
<bibRefCitation id="EFE9DEC6FFC3F476BA60FF17758AFF09" author="Roux, M. &amp; Messing, C. G." box="[383,648,189,215]" pageId="13" pageNumber="414" pagination="329 - 365" refId="ref14153" refString="Roux, M. &amp; Messing, C. G. (2017) Stalked crinoids collected off California with descriptions of three new genera and two new species of Hyocrinidae (Echinodermata). Pacific Science, 71 (3), 329 - 365. https: // doi. org / 10.2984 / 71.3.7" type="journal article" year="2017">Roux &amp; Messing 2017</bibRefCitation>
)
</taxonomicName>
. Other species of 
<taxonomicName id="4C78D8B4FFC3F476B843FF1774E1FF09" authorityName="A. H. Clark" authorityYear="1917" box="[860,995,189,215]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="13" pageNumber="414" phylum="Echinodermata" rank="genus">
<emphasis id="B90C7F25FFC3F476B843FF1774E1FF09" box="[860,995,189,215]" italics="true" pageId="13" pageNumber="414">Bathycrinus</emphasis>
</taxonomicName>
have regular relief. 
<taxonomicName id="4C78D8B4FFC3F476BFD4FF147249FF09" baseAuthorityName="Mironov" baseAuthorityYear="2000" box="[1227,1355,189,215]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="13" pageNumber="414" phylum="Echinodermata" rank="species" species="volubilis">
<emphasis id="B90C7F25FFC3F476BFD4FF1473DEFF09" box="[1227,1244,190,215]" italics="true" pageId="13" pageNumber="414">B</emphasis>
. 
<emphasis id="B90C7F25FFC3F476BFF4FF177249FF09" box="[1259,1355,189,215]" italics="true" pageId="13" pageNumber="414">volubilis</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C78D8B4FFC3F476BE9BFF1477D7FF25" authorityName="Mironov" authorityYear="2019" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="13" pageNumber="414" phylum="Echinodermata" rank="species" species="kirilli">
<emphasis id="B90C7F25FFC3F476BE9BFF1477D7FF25" italics="true" pageId="13" pageNumber="414">B. kirilli</emphasis>
</taxonomicName>
differ from 
<taxonomicName id="4C78D8B4FFC3F476BA7EFF487507FF25" authorityName="Mironov" authorityYear="2019" box="[353,517,225,251]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="13" pageNumber="414" phylum="Echinodermata" rank="species" species="longipinnus">
<emphasis id="B90C7F25FFC3F476BA7EFF487507FF25" box="[353,517,225,251]" italics="true" pageId="13" pageNumber="414">B. longipinnus</emphasis>
</taxonomicName>
in having most frequent proximal pattern 1+2 4+5 7+8 10+ 11 13, most frequent positions of P1 on Brs 11–12, thick (not flattened) cover plates on the Brs 4–12, right margins on pinnulars, distinctly multilobate areola in proximal columnal facets, and less elliptical facets on distal columnals. They also differ in lacking the circumoral ring of plates, knobby processes and the calcite plates on suture between RR and IBrs. 
<taxonomicName id="4C78D8B4FFC3F476BE9BFEE4761CFE55" baseAuthorityName="Roux &amp; Messing" baseAuthorityYear="2017" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="13" pageNumber="414" phylum="Echinodermata" rank="species" species="equatorialis">
<emphasis id="B90C7F25FFC3F476BE9BFEE4761CFE55" italics="true" pageId="13" pageNumber="414">B. equatorialis</emphasis>
</taxonomicName>
differs from 
<taxonomicName id="4C78D8B4FFC3F476BAA9FED87559FE55" authorityName="Mironov" authorityYear="2019" box="[438,603,369,395]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="13" pageNumber="414" phylum="Echinodermata" rank="species" species="longipinnus">
<emphasis id="B90C7F25FFC3F476BAA9FED87559FE55" box="[438,603,369,395]" italics="true" pageId="13" pageNumber="414">B. longipinnus</emphasis>
</taxonomicName>
in having relatively higher aboral cup, barrel-shaped BB-ring, developed knobby processes with the spines at top of convergent stereom meshes, most frequent proximal arm pattern 1+2 3+4 5+6 7, fulcral ridge with parallel borders in distal mesistele, axis of fulcral ridge always corresponding to greatest facet diameter, small encrusting disk attached to hard substrate. 
<bibRefCitation id="EFE9DEC6FFC3F476B867FE777392FE29" author="Roux, M. &amp; Messing, C. G." box="[888,1168,477,503]" pageId="13" pageNumber="414" pagination="329 - 365" refId="ref14153" refString="Roux, M. &amp; Messing, C. G. (2017) Stalked crinoids collected off California with descriptions of three new genera and two new species of Hyocrinidae (Echinodermata). Pacific Science, 71 (3), 329 - 365. https: // doi. org / 10.2984 / 71.3.7" type="journal article" year="2017">Roux &amp; Messing (2017)</bibRefCitation>
noted that there are no tube-foot plates observed in 
<taxonomicName id="4C78D8B4FFC3F476BACEFDA87574FDC5" baseAuthorityName="Roux &amp; Messing" baseAuthorityYear="2017" box="[465,630,513,539]" class="Crinoidea" family="Bathycrinidae" genus="Bathycrinus" kingdom="Animalia" order="Bourgueticrinida" pageId="13" pageNumber="414" phylum="Echinodermata" rank="species" species="equatorialis">
<emphasis id="B90C7F25FFC3F476BACEFDA87574FDC5" box="[465,630,513,539]" italics="true" pageId="13" pageNumber="414">B. equatorialis</emphasis>
</taxonomicName>
. However x-shaped tube-foot plates are visible on the photo of distal end of pinnule (
<bibRefCitation id="EFE9DEC6FFC3F476BA07FD8F7519FDE1" author="Roux, M. &amp; Messing, C. G." box="[280,539,549,575]" pageId="13" pageNumber="414" pagination="329 - 365" refId="ref14153" refString="Roux, M. &amp; Messing, C. G. (2017) Stalked crinoids collected off California with descriptions of three new genera and two new species of Hyocrinidae (Echinodermata). Pacific Science, 71 (3), 329 - 365. https: // doi. org / 10.2984 / 71.3.7" type="journal article" year="2017">Roux &amp; Messing 2017</bibRefCitation>
, fig. 
<date id="FFC685F7FFC3F476B94CFD8F756FFDE1" box="[595,621,549,575]" pageId="13" pageNumber="414">3I</date>
).
</paragraph>
</subSubSection>
<subSubSection id="C362F0BCFFC3F476BBD8FDE27329FDBD" box="[199,1067,584,611]" pageId="13" pageNumber="414" type="distribution">
<paragraph id="8BC7A337FFC3F476BBD8FDE27329FDBD" blockId="13.[151,1437,153,611]" box="[199,1067,584,611]" pageId="13" pageNumber="414">
<emphasis id="B90C7F25FFC3F476BBD8FDE27663FDBD" bold="true" box="[199,353,584,611]" pageId="13" pageNumber="414">Distribution.</emphasis>
Aleutian, 
<collectingCountry id="F36FE3A7FFC3F476BACBFDE37516FDBD" box="[468,532,585,611]" name="Japan" pageId="13" pageNumber="414">Japan</collectingCountry>
and Kuril-Kamchatka Trenches, 
<quantity id="4C800ED2FFC3F476B896FDE27325FDBD" box="[905,1063,584,611]" metricMagnitude="3" metricUnit="m" metricValue="6.8125" metricValueMax="7.245" metricValueMin="6.38" pageId="13" pageNumber="414" unit="m" value="6812.5" valueMax="7245.0" valueMin="6380.0">6380–7245 m</quantity>
.
</paragraph>
</subSubSection>
</treatment>
</document>