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<mods:title id="3539B50A14FE34E7E3E3F72D8C6415EB">Reassessment of the classification of the Ophiuroidea (Echinodermata), based on morphological characters. I. General character evaluation and delineation of the families Ophiomyxidae and Ophiacanthidae 2697</mods:title>
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<subSubSection id="7CEEBB89FFF55209FF48FC59867EFC71" box="[151,625,949,975]" pageId="67" pageNumber="68" type="nomenclature">
<paragraph id="344BE802FFF55209FF48FC59867EFC71" blockId="67.[151,625,949,1010]" box="[151,625,949,975]" pageId="67" pageNumber="68">
<heading id="6F035F6EFFF55209FF48FC59867EFC71" bold="true" box="[151,625,949,975]" fontSize="11" level="1" pageId="67" pageNumber="68" reason="1">
<emphasis id="06803410FFF55209FF48FC59867EFC71" bold="true" box="[151,625,949,975]" pageId="67" pageNumber="68">
Genus
<taxonomicName id="F3F49381FFF55209FF31FC59867EFC71" ID-CoL="7PQY6" authority="H. L. Clark, 1911" authorityName="H. L. Clark" authorityYear="1911" box="[238,625,949,975]" class="Ophiuroidea" family="Ophioscolecidae" genus="Ophiologimus" kingdom="Animalia" order="Ophioscolecida" pageId="67" pageNumber="68" phylum="Echinodermata" rank="genus">
<emphasis id="06803410FFF55209FF31FC598596FC71" bold="true" box="[238,409,949,975]" italics="true" pageId="67" pageNumber="68">Ophiologimus</emphasis>
H.L.
<bibRefCitation id="506595F3FFF55209FE3FFC59867EFC71" author="Clark, H. L." box="[480,625,949,975]" pageId="67" pageNumber="68" pagination="1 - 302" refId="ref85928" refString="Clark, H. L. (1911) North Pacific Ophiurans in the collection of the United States National Museum. Bulletin of the United States National Museum 75, 1 - 302." type="journal article" year="1911">Clark, 1911</bibRefCitation>
</taxonomicName>
</emphasis>
</heading>
</paragraph>
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<subSubSection id="7CEEBB89FFF55209FF48FC34863AFC4C" box="[151,565,984,1010]" pageId="67" pageNumber="68" type="description">
<paragraph id="344BE802FFF55209FF48FC34863AFC4C" blockId="67.[151,625,949,1010]" box="[151,565,984,1010]" pageId="67" pageNumber="68">
<figureCitation id="ACCFF487FFF55209FF48FC34852EFC4C" box="[151,289,984,1010]" captionStart="FIGURE 4" captionStartId="13.[151,256,1339,1363]" captionTargetBox="[282,1312,194,1330]" captionTargetId="figure-434@13.[282,1312,194,1330]" captionTargetPageId="13" captionText="FIGURE 4. Genital plates and radial shields of various taxa of the families Asteronychidae, Gorgonocephalidae and Ophiomyxidae. A. Gorgonocephalus arcticus Leach, 1819, ZMMU D-613, 39 mm dd, adradial and abradial genital plates in situ, showing articulation surface, dorsal view; B. same, articulation surface of the radial shield, ventral view; C. Asteronyx loveni Müller &amp; Troschel, 1842, ZMMU D-833, 17.5 mm dd, articulation surface of the adradial genital plate, dorsal view; D. same, articulation surface of the radial shield, ventral view. E. Ophiocymbium cavernosum Lyman, 1880, ZMMU D-794, 9.5 mm dd, articulation surface of the adradial genital plate, dorsal view; F. same, radial shield showing articulation surface, ventral view; G. same, articulating adradial genital plate and radial shield, dorsal view; H. Ophiocymbium tanyae sp. nov., paratype 11 mm dd, ZMMU D-801, dissected disk showing most proximal vertebrae and absence of the both genital plates and radial shield, dorsal view; I. Ophioscolex glacialis Müller &amp; Troschel, 1842, ZMMU D-843, 18 mm dd, adradial and abradial genital plates in situ, ventral view; J. Ophioplexa condita gen. et sp. nov., paratype ca. 17 mm dd, ZMMU D-792, dissected disk showing articulating adradial genital plate and radial shield in situ, dorsal view; K. same, separate articulating adradial genital plate and radial shield, dorsal view; L. Ophiocymbium ninae sp. nov., paratype 5 mm dd, ZMMU D-804, adradial genital plate, dorsal view; M. Ophiologimus cf. secundus Koehler, 1914, 4 mm dd, ZMMU D-814, adradial genital plate, dorsal view; N. Ophioplexa condita gen. et sp. nov., separate adradial genital plate, dorsal view; O. Ophioscolex glacialis Müller &amp; Troschel, 1842, ZMMU D-843, adradial and abradial genital plates, dorsal view; P. Ophioplexa condita gen. et sp. nov., separate articulating adradial genital plate and radial shield, dorsal view; Q. articulation surface of the adradial genital plate, dorsal view; R. radial shield, ventral view, showing distally the distinctive excavated articulation surface; S. articulation surface of the radial shield, ventral view; T. Ophiocymbium ninae sp. nov., paratype 5 mm dd, radial shield, ventral view; U. Ophioscolex glacialis Müller &amp; Troschel, 1842, ZMMU D-843, same, articulation surface of the radial shield, proximal view; Scale bars: A B,1 mm; CD, 300 µ; EF, 100 µ; G, 200 µ; H, 300 µ; I, 200 µ; J, 1000 µ; K, 300 µ; L, 100 µ; M, 300 µ; N, 300 µ; O, 200 µ; P, 100 µ; QT, 100 µ; U, 200 µ. Photos: Alexander Martynov." pageId="67" pageNumber="68">Figures 4M</figureCitation>
;
<figureCitation id="ACCFF487FFF55209FEF9FC34854BFC4C" box="[294,324,984,1010]" captionStart="FIGURE 27" captionStartId="38.[151,256,1544,1568]" captionTargetBox="[158,1428,194,1521]" captionTargetId="figure-295@38.[158,1428,194,1523]" captionTargetPageId="38" captionText="FIGURE 27. Arm spine articulations and spines of the various taxa of the family Ophiomyxidae. AC, Ophioscolex glacialis Müller &amp; Troschel, 1842, ZMMU D-817, 27 mm dd; spine articulations of the proximal segments; D. spine, lateral view, E. spine, ventral view showing large nerve opening; F. Ophiomyxa brevirima H.L. Clark, 1915, ZMMU D- 725, 19 mm dd, distal segments; G. Ophiomyxa brevirima, proximal segments; H. Ophiocymbium cavernosum Lyman, 1880, ZMMU D-794, 9.5 mm dd, proximal segments; I. Ophiocymbium cavernosum, ZMMU D-795, 10.5 mm, proximal segment; J. Ophiocymbium tanyae sp. nov., holotype, ZMMU D-799, 9.5 mm dd, proximal segments; K. same, middle segments; L. Ophiologimus cf. secundus Koehler, 1914, ZMMU D-815, 4 mm dd, proximal segments; M. same a proximal segment with spines; N. same, details of the articulations of the proximal segments; O. Ophiobyrsa rudis Lyman, 1878, ZMMU D-868, 12.5 mm dd; P. Ophiologimus cf. secundus, most proximal segments; Q. Ophiolycus purpureus (Düben &amp; Koren, 1846), ZMMU D-845, 5.5 mm dd, most proximal segments; R. same, proximal segments; S. Ophiolycus nutrix Mortensen, 1936, ZMMU D-818, 8 mm dd, proximal segments with spines; T. same, other proximal segments; U. same, spine base, ventral view; Scale bars: A-B, 300 µ; C, 200 µ; D, 400 µ; E, 150 µ; F, 100 µ; G, 150 µ; H, 100 µ; I, 100 µ; J, 100 µ; K, 200 µ; L, 100 µ; M, 100 µ; N, 100 µ; O, 250 µ; P, 100 µ; Q, 100 µ; R, 100 µ; ST, 120 µ; U, 150 µ. Photos: Alexander Martynov." pageId="67" pageNumber="68">27</figureCitation>
L-N; 40 I J; 48; 49
</paragraph>
</subSubSection>
<subSubSection id="7CEEBB89FFF55209FF48FBF18610FB8A" box="[151,543,1053,1076]" pageId="67" pageNumber="68" type="reference_group">
<paragraph id="344BE802FFF55209FF48FBF18610FB8A" blockId="67.[151,992,1053,1108]" box="[151,543,1053,1076]" pageId="67" pageNumber="68">
<treatmentCitationGroup id="14E4CF2CFFF55209FF48FBF18610FB8A" box="[151,543,1053,1076]" pageId="67" pageNumber="68">
<treatmentCitation id="B555CE13FFF55209FF48FBF18610FB8A" author="Clark, H. L." box="[151,543,1053,1076]" page="252" pageId="67" pageNumber="68" year="1911">
<taxonomicName id="F3F49381FFF55209FF48FBF18610FB8A" ID-CoL="7PQY6" authority="H. L. Clark, 1911: 252" authorityName="H. L. Clark" authorityPageNumber="252" authorityYear="1911" box="[151,543,1053,1076]" class="Ophiuroidea" family="Ophioscolecidae" genus="Ophiologimus" kingdom="Animalia" order="Ophioscolecida" pageId="67" pageNumber="68" phylum="Echinodermata" rank="genus">
<emphasis id="06803410FFF55209FF48FBF18521FB8A" box="[151,302,1053,1076]" italics="true" pageId="67" pageNumber="68">Ophiologimus</emphasis>
H.L.
<bibRefCitation id="506595F3FFF55209FEB3FBF18610FB8A" author="Clark, H. L." box="[364,543,1053,1076]" pageId="67" pageNumber="68" pagination="1 - 302" refId="ref85928" refString="Clark, H. L. (1911) North Pacific Ophiurans in the collection of the United States National Museum. Bulletin of the United States National Museum 75, 1 - 302." type="journal article" year="1911">Clark, 1911: 252</bibRefCitation>
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</paragraph>
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<subSubSection id="7CEEBB89FFF55209FF48FBD187EFFBEA" box="[151,992,1085,1108]" pageId="67" pageNumber="68" type="materials_examined">
<paragraph id="344BE802FFF55209FF48FBD187EFFBEA" blockId="67.[151,992,1053,1108]" box="[151,992,1085,1108]" pageId="67" pageNumber="68">
<typeStatus id="EB4F56A0FFF55209FF48FBD184C3FBEA" box="[151,204,1085,1108]" pageId="67" pageNumber="68">Type</typeStatus>
species:
<taxonomicName id="F3F49381FFF55209FEF2FBD186EFFBEA" authority="H. L. Clark, 1911" authorityName="H. L. Clark" authorityYear="1911" box="[301,736,1085,1108]" class="Ophiuroidea" family="Ophioscolecidae" genus="Ophiologimus" kingdom="Animalia" order="Ophioscolecida" pageId="67" pageNumber="68" phylum="Echinodermata" rank="species" species="hexactis">
<emphasis id="06803410FFF55209FEF2FBD1862DFBEA" box="[301,546,1085,1108]" italics="true" pageId="67" pageNumber="68">Ophiologimus hexactis</emphasis>
H.L.
<bibRefCitation id="506595F3FFF55209FDBFFBD186EFFBEA" author="Clark, H. L." box="[608,736,1085,1108]" pageId="67" pageNumber="68" pagination="1 - 302" refId="ref85928" refString="Clark, H. L. (1911) North Pacific Ophiurans in the collection of the United States National Museum. Bulletin of the United States National Museum 75, 1 - 302." type="journal article" year="1911">Clark, 1911</bibRefCitation>
</taxonomicName>
, by original designation
</paragraph>
</subSubSection>
<subSubSection id="7CEEBB89FFF55209FF48FB9186A8F8AC" pageId="67" pageNumber="68" type="diagnosis">
<paragraph id="344BE802FFF55209FF48FB9186A8F8AC" blockId="67.[151,1436,1149,2034]" pageId="67" pageNumber="68">
<emphasis id="06803410FFF55209FF48FB918514FB29" bold="true" box="[151,283,1149,1175]" pageId="67" pageNumber="68">Diagnosis.</emphasis>
The disk is covered with numerous small, uniform scales, and a thin skin layer, evident when dried. The radial shields are completely concealed by skin, small rounded plates hardly conspicuous in dried specimens in most species (including the
<typeStatus id="EB4F56A0FFF55209FDA1FB2486BFFB5C" box="[638,688,1224,1250]" pageId="67" pageNumber="68">type</typeStatus>
species). The adradial genital plate is poorly developed and the abradial genital plate is absent in most species. The genital slits are long and conspicuous, genital plate(s) lining approximately half of the slits. The jaw bears numerous very short, square or rounded oral papillae, considerably different from the 23 ventralmost teeth. The adoral shield papillae are very short and do not differ from other oral papillae, placed around the second tentacle pore. The half-jaws are elongate, very low. The adradial sides of the half-jaws bear a few sharp straight folds distally. The dental plate is small, elongated, without folds, with few rounded sockets, alternately placed. The teeth are spiniform and few in number (besides apical papillae there are 45 teeth). All teeth are of similar shape. The oral shield is broadly triangular, without distinct distal lobe, except for the madreporite. The adoral shields have distal bilobed wings, proximally tapering. The dorsal and ventral arm plates are well developed. The arm spine articulations are placed distinctly at an angle or almost transversally in relation to the lateral plate. Muscle and nerve openings are similar in size. There is a prominent perforated lobe, occupying the dorsal and distal part of the articulations. The sigmoidal fold is absent. The spines are relatively long, flattened, hollow over almost their entire length, hooked distally. Two or one flattened tentacles scales with pointed ends are placed on the lateral arm plate. The vertebrae have a rounded distal keel, the dorsal medial suture is indistinct. The articulation is zygospondylous. The podial basins are large.
</paragraph>
</subSubSection>
<subSubSection id="7CEEBB89FFF55209FF18F8F1811AF84C" pageId="67" pageNumber="68" type="discussion">
<paragraph id="344BE802FFF55209FF18F8F1811AF84C" blockId="67.[151,1436,1149,2034]" pageId="67" pageNumber="68">
<emphasis id="06803410FFF55209FF18F8F1854CF889" bold="true" box="[199,323,1821,1847]" pageId="67" pageNumber="68">Remarks.</emphasis>
The genus
<taxonomicName id="F3F49381FFF55209FE0DF8F18672F888" authorityName="H. L. Clark" authorityYear="1911" box="[466,637,1821,1846]" class="Ophiuroidea" family="Ophioscolecidae" genus="Ophiologimus" kingdom="Animalia" order="Ophioscolecida" pageId="67" pageNumber="68" phylum="Echinodermata" rank="genus">
<emphasis id="06803410FFF55209FE0DF8F18672F888" box="[466,637,1821,1846]" italics="true" pageId="67" pageNumber="68">Ophiologimus</emphasis>
</taxonomicName>
, traditionally placed within the family
<taxonomicName id="F3F49381FFF55209FB82F8F18115F889" authorityName="Ljungman" authorityYear="1867" box="[1117,1306,1821,1847]" class="Ophiuroidea" family="Ophiacanthidae" kingdom="Animalia" order="Ophiacanthida" pageId="67" pageNumber="68" phylum="Echinodermata" rank="family">Ophiacanthidae</taxonomicName>
externally similar to one of the ophiomyxid genus,
<emphasis id="06803410FFF55209FDA4F8AF8709F8E2" box="[635,774,1859,1884]" italics="true" pageId="67" pageNumber="68">Ophyolycus</emphasis>
, which is in turn often considered as just a synonym of the genus
<taxonomicName id="F3F49381FFF55209FECDF88485A8F83F" authorityName=": Muller &amp; Troschel" authorityYear="1842" box="[274,423,1896,1921]" class="Ophiuroidea" family="Ophioscolecidae" genus="Ophioscolex" kingdom="Animalia" order="Ophioscolecida" pageId="67" pageNumber="68" phylum="Echinodermata" rank="genus">
<emphasis id="06803410FFF55209FECDF88485A8F83F" box="[274,423,1896,1921]" italics="true" pageId="67" pageNumber="68">Ophioscolex</emphasis>
</taxonomicName>
(see below).
<taxonomicName id="F3F49381FFF55209FD93F88486FAF83F" authorityName="H. L. Clark" authorityYear="1911" box="[588,757,1896,1921]" class="Ophiuroidea" family="Ophioscolecidae" genus="Ophiologimus" kingdom="Animalia" order="Ophioscolecida" pageId="67" pageNumber="68" phylum="Echinodermata" rank="genus">
<emphasis id="06803410FFF55209FD93F88486FAF83F" box="[588,757,1896,1921]" italics="true" pageId="67" pageNumber="68">Ophiologimus</emphasis>
</taxonomicName>
distinguishes from the
<taxonomicName id="F3F49381FFF55209FBCDF8848095F83F" authorityName="Mortensen" authorityYear="1933" box="[1042,1178,1896,1921]" class="Ophiuroidea" family="Ophioscolecidae" genus="Ophiolycus" kingdom="Animalia" order="Ophioscolecida" pageId="67" pageNumber="68" phylum="Echinodermata" rank="genus">
<emphasis id="06803410FFF55209FBCDF8848095F83F" box="[1042,1178,1896,1921]" italics="true" pageId="67" pageNumber="68">Ophiolycus</emphasis>
</taxonomicName>
by the short oral and oral shield papillae, all similar in size (
<emphasis id="06803410FFF55209FDA6F8618707F818" box="[633,776,1933,1958]" italics="true" pageId="67" pageNumber="68">Ophyolycus</emphasis>
has long spiniform oral shield papillae), well defined dorsal arm plate throughout the arm length (
<emphasis id="06803410FFF55209FD1AF85F8759F872" box="[709,854,1971,1996]" italics="true" pageId="67" pageNumber="68">Ophyolycus</emphasis>
possesses well defined dorsal arm plates only proximally) and entirely hollow arm spines (
<taxonomicName id="F3F49381FFF55209FD7CF8348727F84F" authorityName="Mortensen" authorityYear="1933" box="[675,808,2008,2033]" class="Ophiuroidea" family="Ophioscolecidae" genus="Ophiolycus" kingdom="Animalia" order="Ophioscolecida" pageId="67" pageNumber="68" phylum="Echinodermata" rank="genus">
<emphasis id="06803410FFF55209FD7CF8348727F84F" box="[675,808,2008,2033]" italics="true" pageId="67" pageNumber="68">Ophiolycus</emphasis>
</taxonomicName>
has almost solid spines with small holes).
</paragraph>
</subSubSection>
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<paragraph id="344BE802FFF2520EFF48F9B38756F8C8" blockId="68.[151,1436,1631,1911]" pageId="68" pageNumber="69">
<emphasis id="06803410FFF2520EFF48F9B38528F9C9" bold="true" box="[151,295,1631,1655]" pageId="68" pageNumber="69">FIGURE 45.</emphasis>
<taxonomicName id="F3F49381FFF2520EFEF1F98C85A2F9C9" authorityName="Verrill" authorityYear="1899" box="[302,429,1632,1655]" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophiolimna" kingdom="Animalia" order="Ophiacanthida" pageId="68" pageNumber="69" phylum="Echinodermata" rank="genus">
<emphasis id="06803410FFF2520EFEF1F98C85A2F9C9" box="[302,429,1632,1655]" italics="true" pageId="68" pageNumber="69">Ophiolimna</emphasis>
</taxonomicName>
and
<taxonomicName id="F3F49381FFF2520EFE3CF98C8651F9C9" authorityName="Lutken" authorityYear="1869" box="[483,606,1632,1655]" class="Ophiuroidea" family="Ophiomyxidae" genus="Ophioconis" kingdom="Animalia" order="Ophiacanthida" pageId="68" pageNumber="69" phylum="Echinodermata" rank="genus">
<emphasis id="06803410FFF2520EFE3CF98C8651F9C9" box="[483,606,1632,1655]" italics="true" pageId="68" pageNumber="69">Ophioconis</emphasis>
</taxonomicName>
, spine articulations and spines. AC, GJ,
<taxonomicName id="F3F49381FFF2520EFBEAF98C84D6F928" authority="(H. L. Clark, 1911)" baseAuthorityName="H. L. Clark" baseAuthorityYear="1911" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophiolimna" kingdom="Animalia" order="Ophiacanthida" pageId="68" pageNumber="69" phylum="Echinodermata" rank="species" species="diastata">
<emphasis id="06803410FFF2520EFBEAF98C811DF9C9" box="[1077,1298,1632,1655]" italics="true" pageId="68" pageNumber="69">Ophiolimna diastata</emphasis>
(H.L.
<bibRefCitation id="506595F3FFF2520EFA85F9B384DDF928" author="Clark, H. L." pageId="68" pageNumber="69" pagination="1 - 302" refId="ref85928" refString="Clark, H. L. (1911) North Pacific Ophiurans in the collection of the United States National Museum. Bulletin of the United States National Museum 75, 1 - 302." type="journal article" year="1911">Clark, 1911</bibRefCitation>
)
</taxonomicName>
, paratype USNM 26210, 6.7 mm dd. A. lateral arm plate showing spine articulation; BC, details of spine articulations, proximal segments; G. proximal spine; H. proximal spine, sectioned transversally in the basal part showing semi-solid structure; I. same, hollow spine sectioned transversally in the middle part showing a ridge inside; J. same, ventral view; D, KL,
<taxonomicName id="F3F49381FFF2520EFE57F90C86BAF948" authority="USNM E" authorityName="USNM E" box="[392,693,1759,1783]" class="Ophiuroidea" family="Ophiomyxidae" genus="Ophioconis" kingdom="Animalia" order="Ophiacanthida" pageId="68" pageNumber="69" phylum="Echinodermata" rank="species" species="cincta">
<emphasis id="06803410FFF2520EFE57F90C8645F949" box="[392,586,1760,1783]" italics="true" pageId="68" pageNumber="69">Ophioconis cincta</emphasis>
USNM
<accessionNumber id="2BA775E1FFF2520EFD7AF93386BAF948" box="[677,693,1759,1782]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/E42554" pageId="68" pageNumber="69" type="EnaNcbi">E</accessionNumber>
</taxonomicName>
42554, 3 mm dd. D. details of spine articulations, proximal segments; K. solid proximal spine showing distinct ribs; L. same, ventral view; EF, MO,
<taxonomicName id="F3F49381FFF2520EFBC6F8EC8198F8A8" authority=", Koehler, 1905" authorityName=", Koehler" authorityYear="1905" box="[1049,1431,1791,1815]" class="Ophiuroidea" family="Ophiomyxidae" genus="Ophioconis" kingdom="Animalia" order="Ophiacanthida" pageId="68" pageNumber="69" phylum="Echinodermata" rank="species" species="cupida">
<emphasis id="06803410FFF2520EFBC6F8EC80E6F8A9" box="[1049,1257,1792,1815]" italics="true" pageId="68" pageNumber="69">Ophioconis cupida</emphasis>
,
<bibRefCitation id="506595F3FFF2520EFB26F9138198F8A8" author="Koehler, R." box="[1273,1431,1791,1814]" pageId="68" pageNumber="69" pagination="1 - 142" refId="ref88606" refString="Koehler, R. (1905) Ophiures littorales. Siboga-Expeditie Monograph, 45, 1 - 142," type="journal article" year="1905">Koehler, 1905</bibRefCitation>
</taxonomicName>
, USNM
<accessionNumber id="2BA775E1FFF2520EFF35F8F38548F888" box="[234,327,1823,1846]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/E42555" pageId="68" pageNumber="69" type="EnaNcbi">E 42555</accessionNumber>
, 5 mm dd, E. proximal lateral arm plate showing spine articulation; F. same; M. proximal spine, ventral view; N. solid spine sectioned transversally showing distinct ribs; O. proximal spines. Scale bars: A, G, 300. B, C, HJ, K, EF, O, 100 µ; D, L, MN, 30 µ. Photos: Alexander Martynov.
</paragraph>
</caption>
<caption id="608BB88AFFF3520FFF48FB99815EFAA9" pageId="69" pageNumber="70" startId="69.[151,255,1141,1165]" targetBox="[158,1428,194,1119]" targetPageId="69">
<paragraph id="344BE802FFF3520FFF48FB99815EFAA9" blockId="69.[151,1436,1141,1304]" pageId="69" pageNumber="70">
<emphasis id="06803410FFF3520FFF48FB998526FB33" bold="true" box="[151,297,1141,1165]" pageId="69" pageNumber="70">FIGURE 46.</emphasis>
<taxonomicName id="F3F49381FFF3520FFEEEFB9985BFFB32" authorityName="Verrill" authorityYear="1899" box="[305,432,1141,1164]" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophiolimna" kingdom="Animalia" order="Ophiacanthida" pageId="69" pageNumber="70" phylum="Echinodermata" rank="genus">
<emphasis id="06803410FFF3520FFEEEFB9985BFFB32" box="[305,432,1141,1164]" italics="true" pageId="69" pageNumber="70">Ophiolimna</emphasis>
</taxonomicName>
and
<taxonomicName id="F3F49381FFF3520FFE36FB99866BFB32" authorityName="Lutken" authorityYear="1869" box="[489,612,1141,1164]" class="Ophiuroidea" family="Ophiomyxidae" genus="Ophioconis" kingdom="Animalia" order="Ophiacanthida" pageId="69" pageNumber="70" phylum="Echinodermata" rank="genus">
<emphasis id="06803410FFF3520FFE36FB99866BFB32" box="[489,612,1141,1164]" italics="true" pageId="69" pageNumber="70">Ophioconis</emphasis>
</taxonomicName>
, vertebrae. AD,
<taxonomicName id="F3F49381FFF3520FFCF6FB9980D2FB32" authority="(H. L. Clark, 1911)" baseAuthorityName="H. L. Clark" baseAuthorityYear="1911" box="[809,1245,1141,1164]" class="Ophiuroidea" family="Ophiacanthidae" genus="Ophiolimna" kingdom="Animalia" order="Ophiacanthida" pageId="69" pageNumber="70" phylum="Echinodermata" rank="species" species="diastata">
<emphasis id="06803410FFF3520FFCF6FB998007FB32" box="[809,1032,1141,1164]" italics="true" pageId="69" pageNumber="70">Ophiolimna diastata</emphasis>
(H.L.
<bibRefCitation id="506595F3FFF3520FFB8CFB9980DAFB32" author="Clark, H. L." box="[1107,1237,1141,1164]" pageId="69" pageNumber="70" pagination="1 - 302" refId="ref85928" refString="Clark, H. L. (1911) North Pacific Ophiurans in the collection of the United States National Museum. Bulletin of the United States National Museum 75, 1 - 302." type="journal article" year="1911">Clark, 1911</bibRefCitation>
)
</taxonomicName>
, paratype USNM 26210, 6.7 mm dd. A. proximal vertebra, dorsal view; B. same, ventral view; C. same, proximal view; D. same, distal view. EF,
<taxonomicName id="F3F49381FFF3520FFED1FB568633FB6F" authority="USNM E" authorityName="USNM E" box="[270,572,1210,1233]" class="Ophiuroidea" family="Ophiomyxidae" genus="Ophioconis" kingdom="Animalia" order="Ophiacanthida" pageId="69" pageNumber="70" phylum="Echinodermata" rank="species" species="cincta">
<emphasis id="06803410FFF3520FFED1FB5685DEFB6F" box="[270,465,1210,1233]" italics="true" pageId="69" pageNumber="70">Ophioconis cincta</emphasis>
USNM
<accessionNumber id="2BA775E1FFF3520FFDF3FB568633FB6F" box="[556,572,1210,1233]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/E42554" pageId="69" pageNumber="70" type="EnaNcbi">E</accessionNumber>
</taxonomicName>
42554, 3 mm dd. E. middle vertebra, dorsal view; F. distal vertebra, dorsal view; GJ,
<taxonomicName id="F3F49381FFF3520FFF0FFB318601FB4A" authority=", USNM E" authorityName="USNM E" box="[208,526,1245,1268]" class="Ophiuroidea" family="Ophiomyxidae" genus="Ophioconis" kingdom="Animalia" order="Ophiacanthida" pageId="69" pageNumber="70" phylum="Echinodermata" rank="species" species="cupida">
<emphasis id="06803410FFF3520FFF0FFB318594FB4A" box="[208,411,1245,1268]" italics="true" pageId="69" pageNumber="70">Ophioconis cupida</emphasis>
, USNM
<accessionNumber id="2BA775E1FFF3520FFE21FB318601FB4A" box="[510,526,1245,1268]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/E42555" pageId="69" pageNumber="70" type="EnaNcbi">E</accessionNumber>
</taxonomicName>
42555, 5 mm dd. G. proximal vertebra, dorsal view; H. same, ventral view; I. same, proximal view; J. same, distal view. Scale bars: AD, GH, 300 µ; EF, IJ, 100 µ. Photos: Alexander Martynov.
</paragraph>
</caption>
<subSubSection id="7CEEBB89FFF3520FFF19FAA685DCFA44" pageId="69" pageNumber="70" type="materials_examined">
<paragraph id="344BE802FFF3520FFF19FAA68071FA6A" blockId="69.[151,1436,1354,1530]" pageId="69" pageNumber="70">
<emphasis id="06803410FFF3520FFF19FAA685A6FADA" bold="true" box="[198,425,1354,1380]" pageId="69" pageNumber="70">Material studied.</emphasis>
<taxonomicName id="F3F49381FFF3520FFE63FAA787C5FADA" authority="H. L. Clark, 1911" authorityName="H. L. Clark" authorityYear="1911" box="[444,970,1354,1380]" class="Ophiuroidea" family="Ophioscolecidae" genus="Ophiologimus" kingdom="Animalia" order="Ophioscolecida" pageId="69" pageNumber="70" phylum="Echinodermata" rank="species" species="hexactis">
<emphasis id="06803410FFF3520FFE63FAA786D9FADA" box="[444,726,1355,1380]" italics="true" pageId="69" pageNumber="70">Ophiologimus hexactis</emphasis>
H.L.
<bibRefCitation id="506595F3FFF3520FFCEDFAA687C5FADA" author="Clark, H. L." box="[818,970,1354,1380]" pageId="69" pageNumber="70" pagination="1 - 302" refId="ref85928" refString="Clark, H. L. (1911) North Pacific Ophiurans in the collection of the United States National Museum. Bulletin of the United States National Museum 75, 1 - 302." type="journal article" year="1911">Clark, 1911</bibRefCitation>
</taxonomicName>
,
<typeStatus id="EB4F56A0FFF3520FFC3CFAA68046FADA" box="[995,1097,1354,1380]" pageId="69" pageNumber="70" type="holotype">holotype</typeStatus>
<collectionCode id="52E570C7FFF3520FFB83FAA680BEFADA" box="[1116,1201,1354,1380]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="69" pageNumber="70" type="Museum">USNM</collectionCode>
25724 (
<figureCitation id="ACCFF487FFF3520FFAF5FAA68181FADA" box="[1322,1422,1354,1380]" captionStart="FIGURE 48" captionStartId="71.[151,255,1689,1713]" captionTargetBox="[151,1436,194,1655]" captionTargetId="figure-108@71.[146,1438,194,1655]" captionTargetPageId="71" captionText="FIGURE 48. Ophiologimus hexactis H.L. Clark, 1911, holotype USNM 25724, 5 mm dd, external views and details. A. dorsal view; B. ventral view; CD, arm spine articulations, distal segments; E. arm spine articulations, proximal segments; F. distal segments, hooks; G. spine, proximal segments; H. hollow spine, transversally sectioned; I. spine, ventral view; J. proximal vertebra, dorsal view; K. same, ventral view; L. same, proximal view; M. same, distal view. Scale bars: CH, J, LM, 100 µ; I, 30 µ.; K, 300 µ. Photos: AB Tatiana Korshunova; CM Alexander Martynov." pageId="69" pageNumber="70">Fig. 48</figureCitation>
);
<taxonomicName id="F3F49381FFF3520FFF48FA9C86BEFA34" authority="H. L. Clark, 1925" authorityName="H. L. Clark" authorityYear="1925" box="[151,689,1392,1418]" class="Ophiuroidea" family="Ophioscolecidae" genus="Ophiologimus" kingdom="Animalia" order="Ophioscolecida" pageId="69" pageNumber="70" phylum="Echinodermata" rank="species" species="quadrispinus">
<emphasis id="06803410FFF3520FFF48FA9C85D1FA37" box="[151,478,1392,1417]" italics="true" pageId="69" pageNumber="70">Ophiologimus quadrispinus</emphasis>
H.L.
<bibRefCitation id="506595F3FFF3520FFDFBFA9C86BEFA34" author="Clark, H. L." box="[548,689,1392,1418]" pageId="69" pageNumber="70" pagination="89 - 111" refId="ref86065" refString="Clark, H. L. (1925) Marine zoology of tropical central Pacific: Echinoderms other than sea-stars. Bulletin of the Bernice Pauahi Bishop Museum 27, 89 - 111." type="journal article" year="1925">Clark, 1925</bibRefCitation>
</taxonomicName>
,
<collectionCode id="52E570C7FFF3520FFD61FA9C871CFA34" box="[702,787,1392,1418]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="69" pageNumber="70" type="Museum">USNM</collectionCode>
E 06912,
<specimenCount id="22F2238BFFF3520FFC52FA9C802EFA34" box="[909,1057,1392,1418]" pageId="69" pageNumber="70" type="generic">4 specimens</specimenCount>
,
<collectionCode id="52E570C7FFF3520FFBF2FA9C808DFA34" box="[1069,1154,1392,1418]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="69" pageNumber="70" type="Museum">USNM</collectionCode>
E 06911,
<specimenCount id="22F2238BFFF3520FFB24FA9C8193FA34" box="[1275,1436,1392,1418]" pageId="69" pageNumber="70" type="generic">one specimen</specimenCount>
(
<figureCitation id="ACCFF487FFF3520FFF7FFA7984F4FA11" box="[160,251,1429,1455]" captionStart="FIGURE 49" captionStartId="72.[151,255,1504,1528]" captionTargetBox="[157,1427,194,1461]" captionTargetId="figure-156@72.[157,1427,194,1461]" captionTargetPageId="72" captionText="FIGURE 49. Ophiologimus quadrispinus H.L. Clark, 1925, USNM E06912, 5.5 mm dd, external views and details. A. dorsal view; B. ventral view; C. details of dorsal disk showing moderately well developed radial shields concealed under the skin; D. proximal arm segments, ventral view; E. proximal lateral arm plate showing spine articulations; F. spine articulations, details; G. proximal vertebra, dorsal view; H. same, ventral view; I. same, proximal view; J. same, distal view; K. hollow proximal spine, sectioned transversally, showing two large holes separate by a septa; L. same, ventral view; M. proximal spine. Scale bars: D, GH, 300 µ; EF, IJ, M, 100 µ; K, L, 30 µ. Photos: AB Tatiana Korshunova; CM Alexander Martynov." pageId="69" pageNumber="70">Fig. 49</figureCitation>
);
<taxonomicName id="F3F49381FFF3520FFECDFA7986E4FA11" authority="Koehler, 1914" authorityName="Koehler" authorityYear="1914" box="[274,747,1429,1455]" class="Ophiuroidea" family="Ophioscolecidae" genus="Ophiologimus" kingdom="Animalia" order="Ophioscolecida" pageId="69" pageNumber="70" phylum="Echinodermata" rank="species" species="secundus">
<emphasis id="06803410FFF3520FFECDFA79863CFA10" box="[274,563,1429,1454]" italics="true" pageId="69" pageNumber="70">Ophiologimus secundus</emphasis>
<bibRefCitation id="506595F3FFF3520FFDE3FA7986E4FA11" author="Koehler, R." box="[572,747,1429,1455]" pageId="69" pageNumber="70" pagination="1 - 173" refId="ref88727" refString="Koehler, R. (1914) A contribution to the study of Ophiurans of the United States National Museum. Bulletin of the United States National Museum 84, 1 - 173." type="journal article" year="1914">Koehler, 1914</bibRefCitation>
</taxonomicName>
,
<specimenCount id="22F2238BFFF3520FFD27FA798776FA11" box="[760,889,1429,1455]" pageId="69" pageNumber="70" type="generic" typeStatus="syntypes">4 syntypes</specimenCount>
<collectionCode id="52E570C7FFF3520FFC5DFA7987D7FA11" box="[898,984,1429,1455]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="69" pageNumber="70" type="Museum">USNM</collectionCode>
032302;
<taxonomicName id="F3F49381FFF3520FFB93FA7984FDFA6A" authority=", ZMMU" authorityName="ZMMU" class="Ophiuroidea" family="Ophioscolecidae" genus="Ophiologimus" kingdom="Animalia" order="Ophioscolecida" pageId="69" pageNumber="70" phylum="Echinodermata" rank="species" species="secundus">
<emphasis id="06803410FFF3520FFB93FA7980F9FA10" box="[1100,1270,1429,1454]" italics="true" pageId="69" pageNumber="70">Ophiologimus</emphasis>
cf.
<emphasis id="06803410FFF3520FFAF9FA79819BFA10" box="[1318,1428,1429,1454]" italics="true" pageId="69" pageNumber="70">secundus</emphasis>
, ZMMU
</taxonomicName>
D-814,
<specimenCount id="22F2238BFFF3520FFE8CFA5685F9FA6A" box="[339,502,1466,1492]" pageId="69" pageNumber="70" type="generic">one specimen</specimenCount>
,
<collectionCode id="52E570C7FFF3520FFDDDFA568652FA6A" box="[514,605,1466,1492]" country="Russia" httpUri="http://grbio.org/cool/k3qp-615s" name="Zoological Museum, Moscow Lomonosov State University" pageId="69" pageNumber="70" type="Museum">ZMMU</collectionCode>
D-814,
<specimenCount id="22F2238BFFF3520FFD61FA568741FA6A" box="[702,846,1466,1492]" pageId="69" pageNumber="70" type="generic">4 specimens</specimenCount>
(
<figureCitation id="ACCFF487FFF3520FFC82FA5687CAFA6A" box="[861,965,1466,1492]" captionStart="FIGURE 4" captionStartId="13.[151,256,1339,1363]" captionTargetBox="[282,1312,194,1330]" captionTargetId="figure-434@13.[282,1312,194,1330]" captionTargetPageId="13" captionText="FIGURE 4. Genital plates and radial shields of various taxa of the families Asteronychidae, Gorgonocephalidae and Ophiomyxidae. A. Gorgonocephalus arcticus Leach, 1819, ZMMU D-613, 39 mm dd, adradial and abradial genital plates in situ, showing articulation surface, dorsal view; B. same, articulation surface of the radial shield, ventral view; C. Asteronyx loveni Müller &amp; Troschel, 1842, ZMMU D-833, 17.5 mm dd, articulation surface of the adradial genital plate, dorsal view; D. same, articulation surface of the radial shield, ventral view. E. Ophiocymbium cavernosum Lyman, 1880, ZMMU D-794, 9.5 mm dd, articulation surface of the adradial genital plate, dorsal view; F. same, radial shield showing articulation surface, ventral view; G. same, articulating adradial genital plate and radial shield, dorsal view; H. Ophiocymbium tanyae sp. nov., paratype 11 mm dd, ZMMU D-801, dissected disk showing most proximal vertebrae and absence of the both genital plates and radial shield, dorsal view; I. Ophioscolex glacialis Müller &amp; Troschel, 1842, ZMMU D-843, 18 mm dd, adradial and abradial genital plates in situ, ventral view; J. Ophioplexa condita gen. et sp. nov., paratype ca. 17 mm dd, ZMMU D-792, dissected disk showing articulating adradial genital plate and radial shield in situ, dorsal view; K. same, separate articulating adradial genital plate and radial shield, dorsal view; L. Ophiocymbium ninae sp. nov., paratype 5 mm dd, ZMMU D-804, adradial genital plate, dorsal view; M. Ophiologimus cf. secundus Koehler, 1914, 4 mm dd, ZMMU D-814, adradial genital plate, dorsal view; N. Ophioplexa condita gen. et sp. nov., separate adradial genital plate, dorsal view; O. Ophioscolex glacialis Müller &amp; Troschel, 1842, ZMMU D-843, adradial and abradial genital plates, dorsal view; P. Ophioplexa condita gen. et sp. nov., separate articulating adradial genital plate and radial shield, dorsal view; Q. articulation surface of the adradial genital plate, dorsal view; R. radial shield, ventral view, showing distally the distinctive excavated articulation surface; S. articulation surface of the radial shield, ventral view; T. Ophiocymbium ninae sp. nov., paratype 5 mm dd, radial shield, ventral view; U. Ophioscolex glacialis Müller &amp; Troschel, 1842, ZMMU D-843, same, articulation surface of the radial shield, proximal view; Scale bars: A B,1 mm; CD, 300 µ; EF, 100 µ; G, 200 µ; H, 300 µ; I, 200 µ; J, 1000 µ; K, 300 µ; L, 100 µ; M, 300 µ; N, 300 µ; O, 200 µ; P, 100 µ; QT, 100 µ; U, 200 µ. Photos: Alexander Martynov." pageId="69" pageNumber="70">Figs 4M</figureCitation>
;
<figureCitation id="ACCFF487FFF3520FFC0EFA568028FA6A" box="[977,1063,1466,1492]" captionStart="FIGURE 27" captionStartId="38.[151,256,1544,1568]" captionTargetBox="[158,1428,194,1521]" captionTargetId="figure-295@38.[158,1428,194,1523]" captionTargetPageId="38" captionText="FIGURE 27. Arm spine articulations and spines of the various taxa of the family Ophiomyxidae. AC, Ophioscolex glacialis Müller &amp; Troschel, 1842, ZMMU D-817, 27 mm dd; spine articulations of the proximal segments; D. spine, lateral view, E. spine, ventral view showing large nerve opening; F. Ophiomyxa brevirima H.L. Clark, 1915, ZMMU D- 725, 19 mm dd, distal segments; G. Ophiomyxa brevirima, proximal segments; H. Ophiocymbium cavernosum Lyman, 1880, ZMMU D-794, 9.5 mm dd, proximal segments; I. Ophiocymbium cavernosum, ZMMU D-795, 10.5 mm, proximal segment; J. Ophiocymbium tanyae sp. nov., holotype, ZMMU D-799, 9.5 mm dd, proximal segments; K. same, middle segments; L. Ophiologimus cf. secundus Koehler, 1914, ZMMU D-815, 4 mm dd, proximal segments; M. same a proximal segment with spines; N. same, details of the articulations of the proximal segments; O. Ophiobyrsa rudis Lyman, 1878, ZMMU D-868, 12.5 mm dd; P. Ophiologimus cf. secundus, most proximal segments; Q. Ophiolycus purpureus (Düben &amp; Koren, 1846), ZMMU D-845, 5.5 mm dd, most proximal segments; R. same, proximal segments; S. Ophiolycus nutrix Mortensen, 1936, ZMMU D-818, 8 mm dd, proximal segments with spines; T. same, other proximal segments; U. same, spine base, ventral view; Scale bars: A-B, 300 µ; C, 200 µ; D, 400 µ; E, 150 µ; F, 100 µ; G, 150 µ; H, 100 µ; I, 100 µ; J, 100 µ; K, 200 µ; L, 100 µ; M, 100 µ; N, 100 µ; O, 250 µ; P, 100 µ; Q, 100 µ; R, 100 µ; ST, 120 µ; U, 150 µ. Photos: Alexander Martynov." pageId="69" pageNumber="70">27LN</figureCitation>
;
<figureCitation id="ACCFF487FFF3520FFBECFA568079FA6A" box="[1075,1142,1466,1492]" captionStart="FIGURE 40" captionStartId="52.[151,256,1746,1770]" captionTargetBox="[188,1398,309,1725]" captionTargetId="figure-160@52.[188,1398,309,1725]" captionTargetPageId="52" captionText="FIGURE 40. External views of the genera Ophiocymbium and Ophiologimus. A. Ophiocymbium cavernosum Lyman, 1880, holotype, BMNH 82.12.23.391, 8.3 mm dd, dorsal view; B. same, ventral view; C. Ophiocymbium cavernosum, ZMMU D-795, 10.5 mm dd, dorsal view; D. Ophiocymbium cavernosum, ZMMU D-795, 8.5 mm dd, ventral view; E. Ophiocymbium tanyae sp. nov., holotype 9.5 mm dd, ZMMU D-799; F. same, ventral view; G. Ophiocymbium rarispinum sp. nov., holotype 9.2 mm dd, ZMMU D-798, dorsal view; H. same, ventral view; I. Ophiologimus cf. secundus Koehler, 1914, ZMMU D-814, 8 mm dd, dorsal view; J. same, ventral view. Photos: Tatiana Korshunova." pageId="69" pageNumber="70">40IJ</figureCitation>
)
</paragraph>
<paragraph id="344BE802FFF3520FFF19FA0C85DCFA44" blockId="69.[151,1436,1354,1530]" box="[198,467,1504,1530]" pageId="69" pageNumber="70">
<emphasis id="06803410FFF3520FFF19FA0C85BAFA44" bold="true" box="[198,437,1504,1530]" pageId="69" pageNumber="70">Number of species:</emphasis>
4.
</paragraph>
</subSubSection>
</treatment>
</document>