401 lines
49 KiB
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401 lines
49 KiB
XML
<document ID-CLB-Dataset="158199" ID-DOI="http://dx.doi.org/10.3897/zookeys.1123.87397" ID-GBIF-Dataset="a684c7cd-b4ba-4e0f-a782-5543e4d45efb" ID-PMC="PMC9836647" ID-Pensoft-Pub="1313-2970-1123-99" ID-Pensoft-UUID="07859930DED85AA1A2C62AF44518525F" ID-PubMed="36762044" ID-ZooBank="DF436107268C40119D5702B8C83C35ED" ModsDocID="1313-2970-1123-99" checkinTime="1664944203970" checkinUser="pensoft" docAuthor="Xie, Xiaojun, Lu, Bo, Pang, Jie & Zhang, Dongsheng" docDate="2022" docId="6318B1AF001E5BE3A22D1E19EC49DFBE" docLanguage="en" docName="ZooKeys 1123: 99-122" docOrigin="ZooKeys 1123" docPubDate="2022-10-04" docSource="http://dx.doi.org/10.3897/zookeys.1123.87397" docTitle="Astrodia abyssicola" docType="treatment" docVersion="5" id="07859930DED85AA1A2C62AF44518525F" lastPageNumber="99" masterDocId="07859930DED85AA1A2C62AF44518525F" masterDocTitle="Description of two species of the genus Astrodia Verrill, 1899 (Ophiuroidea, Euryalida, Asteronychidae), including a new species from seamounts in the West Pacific" masterLastPageNumber="122" masterPageNumber="99" pageNumber="99" updateTime="1732839184986" updateUser="ExternalLinkService">
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<mods:title id="FDB52DEFE4981D5EE3330B23071D152F">Description of two species of the genus Astrodia Verrill, 1899 (Ophiuroidea, Euryalida, Asteronychidae), including a new species from seamounts in the West Pacific</mods:title>
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<mods:name id="083E35C3C652C84330C1047BBB66F206" type="personal">
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<mods:namePart id="962C511DEE51AEC3EBA89F86864EE3C2">Xie, Xiaojun</mods:namePart>
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<mods:affiliation id="488C5FB18C8C5620786319EF9AB08D86">Key Laboratory of Marine Ecosystem Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou, China</mods:affiliation>
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<mods:namePart id="82694BFAA46F940C5C0ADD6CDF996CE5">Lu, Bo</mods:namePart>
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<mods:affiliation id="973B78F40DC88FB1E4305431138192B8">Key Laboratory of Marine Ecosystem Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou, China</mods:affiliation>
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<mods:namePart id="F5B03455A1B5A0D69EBDD10D7690B005">Pang, Jie</mods:namePart>
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<mods:affiliation id="FF8FCF57FACA1D900119608A6C1E6E1D">Key Laboratory of Marine Ecosystem Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou, China</mods:affiliation>
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<mods:namePart id="2A2B46BCDF558510499AC76F69BFC9B2">Zhang, Dongsheng</mods:namePart>
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<mods:affiliation id="CB912842CFFEAF625F474D8244CF5184">Key Laboratory of Marine Ecosystem Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou, China & Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, Guangdong, China & School of Oceanography, Shanghai Jiao Tong University, Shanghai, China</mods:affiliation>
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<mods:nameIdentifier id="EE97CD7D38BB34327F75ED08887B7E34" type="email">dszhang@sio.org.cn</mods:nameIdentifier>
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<mods:typeOfResource id="5F81CF7943D3BD9E8653F3BF14DB95F1">text</mods:typeOfResource>
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<mods:date id="ECD1681B498179143AC5A99D28099A7B">2022</mods:date>
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<mods:number id="D38EC9CCC97EDC7BD085F9251265EE5A">2022-10-04</mods:number>
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<mods:number id="38BDB2BF9B1399541FAA459B8BC6629E">1123</mods:number>
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<mods:classification id="34278389161E9ADD53A7227C51F7ACDA">journal article</mods:classification>
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<mods:identifier id="746EDBA8750C86AFAD65C62FC2FD4B3D" type="DOI">http://dx.doi.org/10.3897/zookeys.1123.87397</mods:identifier>
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<mods:identifier id="D50E209D6978E96683386DCD2DC97F9F" type="Pensoft-Pub">1313-2970-1123-99</mods:identifier>
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<treatment id="6318B1AF001E5BE3A22D1E19EC49DFBE" ID-GBIF-Taxon="202135178" LSID="urn:lsid:plazi:treatment:6318B1AF001E5BE3A22D1E19EC49DFBE" httpUri="http://treatment.plazi.org/id/6318B1AF001E5BE3A22D1E19EC49DFBE" lastPageNumber="99" pageId="0" pageNumber="99" scope_class="Ophiuroidea" scope_family="Asteronychidae" scope_order="Euryalida">
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<subSubSection id="DC900CB9D8FF529A1AEE9EE4AABAB1A4" pageId="0" pageNumber="99" type="nomenclature">
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<paragraph id="2B8D2626B7FD3F9D58E0B28AB7560B7E" pageId="0" pageNumber="99">
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<taxonomicName id="DA92B75358D9A2D65BAF989B55E57E48" ID-CoL="J496" LSID="6318B1AF-001E-5BE3-A22D-1E19EC49DFBE" authority="(Lyman, 1879)" baseAuthorityName="Lyman" baseAuthorityYear="1879" class="Ophiuroidea" family="Asteronychidae" genus="Astrodia" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Astrodia abyssicola" order="Euryalida" pageId="0" pageNumber="99" phylum="Echinodermata" rank="species" species="abyssicola">Astrodia abyssicola (Lyman, 1879)</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="E06314A0D33C1D128B12F464E53DFCFB" pageId="0" pageNumber="99" type="description">
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<paragraph id="86B1BCAF4ACF3DBF90E7B2FA61163B4F" pageId="0" pageNumber="99">
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<figureCitation id="DE5869ADC568E2207DFCE9F558A8BCC5" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. In situ and on-board photos of Astrodia abyssicola A photo in situ (RSIO 68002, attached to an unidentified sea pen species) B, C photos on board (RSIO 68002), aboral side (B), oral side (C). Scale bars: 10 mm (B, C)." figureDoi="10.3897/zookeys.1123.87397.figure8" httpUri="https://binary.pensoft.net/fig/752857" pageId="0" pageNumber="99">Figs 8</figureCitation>
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<figureCitation id="7BAAB116A04D22386362E163635F48CD" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Morphological characters of Astrodia abyssicola (RSIO 68002) A aboral view of the disc B center of the aboral disc C oral view of the disc D genital silts E aboral view of the arms F arms spines. Abbreviations: RS radial shield; M madreporite; T teeth; ADS adoral shield; OT oral tentacle; GS genital slit; G gonad; LAP lateral arm plate; AS arm spine. Scale bars: 2 mm (A, C, E); 1 mm (B, D, F)." figureDoi="10.3897/zookeys.1123.87397.figure9" httpUri="https://binary.pensoft.net/fig/752858" pageId="0" pageNumber="99">, 9</figureCitation>
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<figureCitation id="4C08168AC69179A6A792B0DBE0ADD43A" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Vertebrae in basal arm of Astrodia abyssicola (RSIO 68002) A proximal view B distal view C oral view D aboral view E, F lateral view. Abbreviations: PB podial basin; LF lateral furrow. Scale bars: 150 μm (A-F)." figureDoi="10.3897/zookeys.1123.87397.figure10" httpUri="https://binary.pensoft.net/fig/752859" pageId="0" pageNumber="99">, 10</figureCitation>
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<figureCitation id="C3D7536F08E798F9C189C37E5F61710F" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Vertebrae in distal arm of Astrodia abyssicola holotype: RSIO 68002) A proximal view B distal view C oral view D aboral view E, F lateral view. Abbreviations: PB podial basin; LF lateral furrow. Scale bars: 150 μm (C, D, E); 90 μm (A, B, F)." figureDoi="10.3897/zookeys.1123.87397.figure11" httpUri="https://binary.pensoft.net/fig/752860" pageId="0" pageNumber="99">, 11</figureCitation>
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<figureCitation id="C463E7511B11104B34BB0119B2E48EFD" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Lateral arm plates and arm spines of Astrodia abyssicola (RSIO 68002) A, B lateral arm plates from the proximal arm, outer view (A), and inner view (B) C, D lateral arm plates from the distal arm, outer view (C), and inner view (D) E, F arm spines from proximal (E) and distal (F). Abbreviations: MO muscle opening; NO nerve opening; R ridge. Scale bars: 90 μm (A, B, F); 60 μm (C, D, E)." figureDoi="10.3897/zookeys.1123.87397.figure12" httpUri="https://binary.pensoft.net/fig/752861" pageId="0" pageNumber="99">, 12</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="A91932727F1C5B54ED2CB20EF3703FA4" pageId="0" pageNumber="99" type="reference_group">
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<paragraph id="33F112FCD6BBC46BD4204D9AAA7CECFA" pageId="0" pageNumber="99">
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<taxonomicName id="996B7A90D6EFABA741EF09CDB8A759B2" authorityName="Lyman" authorityYear="1879" class="Ophiuroidea" family="Asteronychidae" genus="Ophiocreas" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophiocreas abyssicola" order="Euryalida" pageId="0" pageNumber="99" phylum="Echinodermata" rank="species" species="abyssicola">Ophiocreas abyssicola</taxonomicName>
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Lyman, 1879: 64-65, plate 17, figs 470-473.
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</paragraph>
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<paragraph id="A737408E13D494BE621C6C1969929AFD" pageId="0" pageNumber="99">
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<taxonomicName id="58471ED10499162E898F43E3537CB612" baseAuthorityName="Lyman" baseAuthorityYear="1879" class="Ophiuroidea" family="Asteronychidae" genus="Astrodia" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Astrodia abyssicola" order="Euryalida" pageId="0" pageNumber="99" phylum="Echinodermata" rank="species" species="abyssicola">Astrodia abyssicola</taxonomicName>
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:
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<bibRefCitation id="06B48ECFCD9C10C5B7615430BAA49002" DOI="https://doi.org/10.1017/S0025315413001331" author="Okanishi, M" journalOrPublisher="Journal of the Marine Biological Association of the United Kingdom" pageId="0" pageNumber="99" pagination="187 - 201" refId="B14" refString="Okanishi, M, Fujita, T, 2014. A taxonomic review of the genus Astrodia (Echinodermata: Ophiuroidea: Asteronychidae). Journal of the Marine Biological Association of the United Kingdom 94 (1): 187 - 201, DOI: https://doi.org/10.1017/S0025315413001331" title="A taxonomic review of the genus Astrodia (Echinodermata: Ophiuroidea: Asteronychidae)." url="https://doi.org/10.1017/S0025315413001331" volume="94" year="2014">Okanishi and Fujita 2014</bibRefCitation>
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: 188-192, figs 2-4.
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</paragraph>
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</subSubSection>
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<subSubSection id="4308A44A79A3F6CBAE8228DAC9A81981" pageId="0" pageNumber="99" type="materials_examined">
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<paragraph id="E1B85D6B6AE6BB03DF9F587C013F86B8" pageId="0" pageNumber="99">Material examined.</paragraph>
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<paragraph id="D708C24C067AACF82F4B4429EEEF1459" pageId="0" pageNumber="99">
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<materialsCitation id="C8424E12530B5E585D6ADEC414A70794" collectingDate="2021-08-11" country="China" county="Mugiboshi Seamount" elevation="3225" location="Philippine Sea" municipality="Kyushu-Palau Ridge" specimenCount="1">
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<collectingCountry id="5F2257E524D14DC0D7A52090185BF752" name="China">China</collectingCountry>
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•
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<specimenCount id="FF63161B99D6F1E4952C6569DCD124A6" type="generic">1 specimen</specimenCount>
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;
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<location id="1531DEF61E2AD501DCA40A3EB81BADF2" LSID="urn:lsid:plazi:treatment:6318B1AF001E5BE3A22D1E19EC49DFBE:1531DEF61E2AD501DCA40A3EB81BADF2" country="China" county="Mugiboshi Seamount" municipality="Kyushu-Palau Ridge" name="Philippine Sea">Philippine Sea</location>
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,
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<collectingMunicipality id="23546335C889615360043F533E1E7EA7">Kyushu-Palau Ridge</collectingMunicipality>
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,
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<collectingCounty id="2482F4B82A40085B06E2BF7D925C0767">Mugiboshi Seamount</collectingCounty>
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; 16.57.14'N, 134.52.7'E; depth
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<quantity id="63B8369ECD8F9BF0A2B57C37204990E8" metricMagnitude="3" metricUnit="m" metricValue="3.225" unit="m" value="3225.0">
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<elevation id="A32D37F8FFDBD9B6B7DC9A0DFC2109CA" metricMagnitude="3" metricUnit="m" metricValue="3.225" unit="m" value="3225.0">3225 m</elevation>
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</quantity>
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;
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<collectingDate id="35EE165D4DFF4487F9E4560148D85366" value="2021-08-11">11 August 2021</collectingDate>
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; collected by an HOV JIAOLONG; preserved in alcohol; RSIO68002
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="A2DDB7DA150A6D7D2755443870D8FF0F" pageId="0" pageNumber="99" type="description">
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<paragraph id="D068D754FCB74B69F07098E2DFDD8C9A" pageId="0" pageNumber="99">Description.</paragraph>
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<paragraph id="7F19DE43BE8EACF0B4514DD69F3BCD85" pageId="0" pageNumber="99">
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Disc pentagonal and almost flat, 10 mm in diameter, 3.2 mm in height, skin wrinkled under dry conditions (Fig.
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<figureCitation id="DCC77E45A74F807CAC3FD1B00A5FB4FE" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Morphological characters of Astrodia abyssicola (RSIO 68002) A aboral view of the disc B center of the aboral disc C oral view of the disc D genital silts E aboral view of the arms F arms spines. Abbreviations: RS radial shield; M madreporite; T teeth; ADS adoral shield; OT oral tentacle; GS genital slit; G gonad; LAP lateral arm plate; AS arm spine. Scale bars: 2 mm (A, C, E); 1 mm (B, D, F)." figureDoi="10.3897/zookeys.1123.87397.figure9" httpUri="https://binary.pensoft.net/fig/752858" pageId="0" pageNumber="99">9A, B</figureCitation>
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). Aboral surface of disc lacks external ossicles (Fig.
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<figureCitation id="D3234114277E7F04DE6583604214A761" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Morphological characters of Astrodia abyssicola (RSIO 68002) A aboral view of the disc B center of the aboral disc C oral view of the disc D genital silts E aboral view of the arms F arms spines. Abbreviations: RS radial shield; M madreporite; T teeth; ADS adoral shield; OT oral tentacle; GS genital slit; G gonad; LAP lateral arm plate; AS arm spine. Scale bars: 2 mm (A, C, E); 1 mm (B, D, F)." figureDoi="10.3897/zookeys.1123.87397.figure9" httpUri="https://binary.pensoft.net/fig/752858" pageId="0" pageNumber="99">9A, B</figureCitation>
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). Radial shields narrow, slightly tumid, bar-like, without granules or spines, and almost reaching center of disc. (Fig.
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<figureCitation id="8CDA8A8812DE8130D254E0E6AA4F4B71" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Morphological characters of Astrodia abyssicola (RSIO 68002) A aboral view of the disc B center of the aboral disc C oral view of the disc D genital silts E aboral view of the arms F arms spines. Abbreviations: RS radial shield; M madreporite; T teeth; ADS adoral shield; OT oral tentacle; GS genital slit; G gonad; LAP lateral arm plate; AS arm spine. Scale bars: 2 mm (A, C, E); 1 mm (B, D, F)." figureDoi="10.3897/zookeys.1123.87397.figure9" httpUri="https://binary.pensoft.net/fig/752858" pageId="0" pageNumber="99">9A</figureCitation>
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). Approximately 3.8 mm long and 0.6 mm wide in center and 0.8 mm wide on periphery (Fig.
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<figureCitation id="E1107F8C9BD847CB538753F2023C3D5F" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Morphological characters of Astrodia abyssicola (RSIO 68002) A aboral view of the disc B center of the aboral disc C oral view of the disc D genital silts E aboral view of the arms F arms spines. Abbreviations: RS radial shield; M madreporite; T teeth; ADS adoral shield; OT oral tentacle; GS genital slit; G gonad; LAP lateral arm plate; AS arm spine. Scale bars: 2 mm (A, C, E); 1 mm (B, D, F)." figureDoi="10.3897/zookeys.1123.87397.figure9" httpUri="https://binary.pensoft.net/fig/752858" pageId="0" pageNumber="99">9A</figureCitation>
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).
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</paragraph>
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<paragraph id="2611BE46BB78DF5BAEE7D249E0483E13" pageId="0" pageNumber="99">
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Oral surface flat, covered by thin skin, and lacking external ossicles (Fig.
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<figureCitation id="665160DD5AF435E3B68AA90804529C51" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Morphological characters of Astrodia abyssicola (RSIO 68002) A aboral view of the disc B center of the aboral disc C oral view of the disc D genital silts E aboral view of the arms F arms spines. Abbreviations: RS radial shield; M madreporite; T teeth; ADS adoral shield; OT oral tentacle; GS genital slit; G gonad; LAP lateral arm plate; AS arm spine. Scale bars: 2 mm (A, C, E); 1 mm (B, D, F)." figureDoi="10.3897/zookeys.1123.87397.figure9" httpUri="https://binary.pensoft.net/fig/752858" pageId="0" pageNumber="99">9C</figureCitation>
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). Oral shield triangular, one madreporite (Fig.
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<figureCitation id="752FB9B17FF1910D3D3CD31F623FE0B9" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Morphological characters of Astrodia abyssicola (RSIO 68002) A aboral view of the disc B center of the aboral disc C oral view of the disc D genital silts E aboral view of the arms F arms spines. Abbreviations: RS radial shield; M madreporite; T teeth; ADS adoral shield; OT oral tentacle; GS genital slit; G gonad; LAP lateral arm plate; AS arm spine. Scale bars: 2 mm (A, C, E); 1 mm (B, D, F)." figureDoi="10.3897/zookeys.1123.87397.figure9" httpUri="https://binary.pensoft.net/fig/752858" pageId="0" pageNumber="99">9D</figureCitation>
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). Adoral shield big and thick, quadrangular, and longer than wide (Fig.
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<figureCitation id="EB0F94DFF0F4525EA9832C9BFF9438B6" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Morphological characters of Astrodia abyssicola (RSIO 68002) A aboral view of the disc B center of the aboral disc C oral view of the disc D genital silts E aboral view of the arms F arms spines. Abbreviations: RS radial shield; M madreporite; T teeth; ADS adoral shield; OT oral tentacle; GS genital slit; G gonad; LAP lateral arm plate; AS arm spine. Scale bars: 2 mm (A, C, E); 1 mm (B, D, F)." figureDoi="10.3897/zookeys.1123.87397.figure9" httpUri="https://binary.pensoft.net/fig/752858" pageId="0" pageNumber="99">9D</figureCitation>
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). Teeth spearhead-shaped, vertically on dental plate; each jaw bears a pair of short, conical oral tentacles (Fig.
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<figureCitation id="A2B3906443B2DE29B635AD9FBEDCB7DA" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Morphological characters of Astrodia abyssicola (RSIO 68002) A aboral view of the disc B center of the aboral disc C oral view of the disc D genital silts E aboral view of the arms F arms spines. Abbreviations: RS radial shield; M madreporite; T teeth; ADS adoral shield; OT oral tentacle; GS genital slit; G gonad; LAP lateral arm plate; AS arm spine. Scale bars: 2 mm (A, C, E); 1 mm (B, D, F)." figureDoi="10.3897/zookeys.1123.87397.figure9" httpUri="https://binary.pensoft.net/fig/752858" pageId="0" pageNumber="99">9C</figureCitation>
|
|
). Oral papillae indistinct or underdeveloped (Fig.
|
|
<figureCitation id="EBF449540B37895474CC991BFBF54A40" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Morphological characters of Astrodia abyssicola (RSIO 68002) A aboral view of the disc B center of the aboral disc C oral view of the disc D genital silts E aboral view of the arms F arms spines. Abbreviations: RS radial shield; M madreporite; T teeth; ADS adoral shield; OT oral tentacle; GS genital slit; G gonad; LAP lateral arm plate; AS arm spine. Scale bars: 2 mm (A, C, E); 1 mm (B, D, F)." figureDoi="10.3897/zookeys.1123.87397.figure9" httpUri="https://binary.pensoft.net/fig/752858" pageId="0" pageNumber="99">9C</figureCitation>
|
|
). Two genital slits very short, 560
|
|
<normalizedToken id="13982588337695903D958709977E89FB" originalValue="μm">μm</normalizedToken>
|
|
long and 110
|
|
<normalizedToken id="FFBE4E25A279C00CD203AFE8908C3EBF" originalValue="μm">μm</normalizedToken>
|
|
wide, present on oral side of each interradius. Gonads visible in each interradius (Fig.
|
|
<figureCitation id="4A39B1D1E80C29392C0C34AE6C941DF0" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Morphological characters of Astrodia abyssicola (RSIO 68002) A aboral view of the disc B center of the aboral disc C oral view of the disc D genital silts E aboral view of the arms F arms spines. Abbreviations: RS radial shield; M madreporite; T teeth; ADS adoral shield; OT oral tentacle; GS genital slit; G gonad; LAP lateral arm plate; AS arm spine. Scale bars: 2 mm (A, C, E); 1 mm (B, D, F)." figureDoi="10.3897/zookeys.1123.87397.figure9" httpUri="https://binary.pensoft.net/fig/752858" pageId="0" pageNumber="99">9D</figureCitation>
|
|
).
|
|
</paragraph>
|
|
<paragraph id="3F55E0CB90D4402CBBB1303510875C56" pageId="0" pageNumber="99">
|
|
Five arms, long and slender, about nine to ten times as long as disc diameter, no abrupt change in width basally (Fig.
|
|
<figureCitation id="55AB11C68613C86CC42F5CF41D964855" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Morphological characters of Astrodia abyssicola (RSIO 68002) A aboral view of the disc B center of the aboral disc C oral view of the disc D genital silts E aboral view of the arms F arms spines. Abbreviations: RS radial shield; M madreporite; T teeth; ADS adoral shield; OT oral tentacle; GS genital slit; G gonad; LAP lateral arm plate; AS arm spine. Scale bars: 2 mm (A, C, E); 1 mm (B, D, F)." figureDoi="10.3897/zookeys.1123.87397.figure9" httpUri="https://binary.pensoft.net/fig/752858" pageId="0" pageNumber="99">9E</figureCitation>
|
|
). Proximal portion of arm 1.8 mm wide and 420
|
|
<normalizedToken id="06654E2095564685ABB9D29179B55E1D" originalValue="μm">μm</normalizedToken>
|
|
high, with arched aboral surface and flattened oral surface. Arms tapering gradually toward tip. Arm spines only present in ventral part of arm. First to third tentacle pores without arm spines, fourth tentacle pores with one arm spine and following tentacle pores with two arm spines. Inner arm spines longer than outer arm spines. On middle and distal part of arm, outer arm spines three-fourths as long as inner spines (Fig.
|
|
<figureCitation id="56BA580A08104E94EFBFB56DBB163881" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Morphological characters of Astrodia abyssicola (RSIO 68002) A aboral view of the disc B center of the aboral disc C oral view of the disc D genital silts E aboral view of the arms F arms spines. Abbreviations: RS radial shield; M madreporite; T teeth; ADS adoral shield; OT oral tentacle; GS genital slit; G gonad; LAP lateral arm plate; AS arm spine. Scale bars: 2 mm (A, C, E); 1 mm (B, D, F)." figureDoi="10.3897/zookeys.1123.87397.figure9" httpUri="https://binary.pensoft.net/fig/752858" pageId="0" pageNumber="99">9F</figureCitation>
|
|
). Three arm spines occurred once in two of the five arms. Lateral arm plates not projecting on arms.
|
|
</paragraph>
|
|
<paragraph id="5D6ABE0F11FD63CA6040003D11687088" pageId="0" pageNumber="99">
|
|
<emphasis id="3DD4271391E46F3A73B18995AA188FD4" bold="true" pageId="0" pageNumber="99">
|
|
<emphasis id="8E494E18D1008DA7C738883A5D5426F0" italics="true" pageId="0" pageNumber="99">Color</emphasis>
|
|
.
|
|
</emphasis>
|
|
Bright pink in situ, entirely white in alcohol (Fig.
|
|
<figureCitation id="77D1AABE047B7D269F0BC40E11D60842" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. In situ and on-board photos of Astrodia abyssicola A photo in situ (RSIO 68002, attached to an unidentified sea pen species) B, C photos on board (RSIO 68002), aboral side (B), oral side (C). Scale bars: 10 mm (B, C)." figureDoi="10.3897/zookeys.1123.87397.figure8" httpUri="https://binary.pensoft.net/fig/752857" pageId="0" pageNumber="99">8B, C</figureCitation>
|
|
).
|
|
</paragraph>
|
|
<caption id="1C1463E2EDBC12DC135366E0E5DE92F2" doi="10.3897/zookeys.1123.87397.figure8" httpUri="https://binary.pensoft.net/fig/752857" pageId="0" pageNumber="99" start="Figure 8" startId="F8">
|
|
<paragraph id="5679D9BA4ABB8A379FAFFD8F64991410" pageId="0" pageNumber="99">
|
|
<emphasis id="5A5264089F1C7B68CC4A3831F95EAD2A" bold="true" pageId="0" pageNumber="99">Figure 8.</emphasis>
|
|
In situ and on-board photos of
|
|
<taxonomicName id="7202E73F69D365E4FB4A2E23DF62A160" baseAuthorityName="Lyman" baseAuthorityYear="1879" class="Ophiuroidea" family="Asteronychidae" genus="Astrodia" kingdom="Animalia" lsidName="Astrodia abyssicola" order="Euryalida" pageId="0" pageNumber="99" phylum="Echinodermata" rank="species" species="abyssicola">
|
|
<emphasis id="D351991886D6602013EB0AA98FB63078" italics="true" pageId="0" pageNumber="99">Astrodia abyssicola</emphasis>
|
|
</taxonomicName>
|
|
<emphasis id="4D959363DA183474DAB01EDD15E2F6C5" bold="true" pageId="0" pageNumber="99">A</emphasis>
|
|
photo in situ (RSIO68002, attached to an unidentified sea pen species)
|
|
<emphasis id="B929EC25F6DF9DAB9EE18EC72AE67AC4" bold="true" pageId="0" pageNumber="99">B, C</emphasis>
|
|
photos on board (RSIO68002), aboral side (
|
|
<emphasis id="B8209A3F9122EB6820C74E590D30FB91" bold="true" pageId="0" pageNumber="99">B</emphasis>
|
|
), oral side (
|
|
<emphasis id="D7CCB4620B5B540F560D6CBAF51BEFD2" bold="true" pageId="0" pageNumber="99">C</emphasis>
|
|
). Scale bars: 10 mm (
|
|
<emphasis id="31A3E6457FFDB43A4540EB95FA882569" bold="true" pageId="0" pageNumber="99">B, C</emphasis>
|
|
).
|
|
</paragraph>
|
|
</caption>
|
|
<caption id="41D09D4866F668971D4AE2F6C02BE847" doi="10.3897/zookeys.1123.87397.figure9" httpUri="https://binary.pensoft.net/fig/752858" pageId="0" pageNumber="99" start="Figure 9" startId="F9">
|
|
<paragraph id="B23BD204EFF2A069A9E4AE379BC59521" pageId="0" pageNumber="99">
|
|
<emphasis id="7E41997C0D827090500E4FAAB7333597" bold="true" pageId="0" pageNumber="99">Figure 9.</emphasis>
|
|
Morphological characters of
|
|
<taxonomicName id="0A502C81B10F9C84912498B5DEAD1E24" baseAuthorityName="Lyman" baseAuthorityYear="1879" class="Ophiuroidea" family="Asteronychidae" genus="Astrodia" kingdom="Animalia" lsidName="Astrodia abyssicola" order="Euryalida" pageId="0" pageNumber="99" phylum="Echinodermata" rank="species" species="abyssicola">
|
|
<emphasis id="108DE37CA43B0EFD9E9C6B653D26FE23" italics="true" pageId="0" pageNumber="99">Astrodia abyssicola</emphasis>
|
|
</taxonomicName>
|
|
(RSIO68002)
|
|
<emphasis id="F9CFEF9410B5CEFF476297E34BDFEA23" bold="true" pageId="0" pageNumber="99">A</emphasis>
|
|
aboral view of the disc
|
|
<emphasis id="B7F0844A7C9A0478899798A355EC7F6A" bold="true" pageId="0" pageNumber="99">B</emphasis>
|
|
center of the aboral disc
|
|
<emphasis id="8ABF75DF33A1EAB09C49AF089B074641" bold="true" pageId="0" pageNumber="99">C</emphasis>
|
|
oral view of the disc
|
|
<emphasis id="DE548465763C8B45C778FAA25C94A9DC" bold="true" pageId="0" pageNumber="99">D</emphasis>
|
|
genital silts
|
|
<emphasis id="8CB8F4A522AB2B8A3B490E00D9CE66F0" bold="true" pageId="0" pageNumber="99">E</emphasis>
|
|
aboral view of the arms
|
|
<emphasis id="16B1A70B24C820617C184C1CA8053EAA" bold="true" pageId="0" pageNumber="99">F</emphasis>
|
|
arms spines. Abbreviations:
|
|
<emphasis id="21301B8B708603FECFD95CB690F0D30D" bold="true" pageId="0" pageNumber="99">RS</emphasis>
|
|
radial shield;
|
|
<emphasis id="324840CD41D6B75233C8FF876AC5A915" bold="true" pageId="0" pageNumber="99">M</emphasis>
|
|
madreporite;
|
|
<emphasis id="62C5BA0C40ED48327FADE7604652B051" bold="true" pageId="0" pageNumber="99">T</emphasis>
|
|
teeth;
|
|
<emphasis id="7BDB7C6D56132C82022B8F8FFF3E3ADF" bold="true" pageId="0" pageNumber="99">ADS</emphasis>
|
|
adoral shield;
|
|
<emphasis id="C26C41BD6C6941E90FEC2F2AB32903F2" bold="true" pageId="0" pageNumber="99">OT</emphasis>
|
|
oral tentacle;
|
|
<emphasis id="83F353D41F6CA8E2B59D070EE466BE46" bold="true" pageId="0" pageNumber="99">GS</emphasis>
|
|
genital slit;
|
|
<emphasis id="5309A123530DE129FB0648BB1567A73C" bold="true" pageId="0" pageNumber="99">G</emphasis>
|
|
gonad;
|
|
<emphasis id="C408E00D02AA84D1EBBCBD5C7A32C674" bold="true" pageId="0" pageNumber="99">LAP</emphasis>
|
|
lateral arm plate;
|
|
<emphasis id="6463C42227429E96E82D2593F56BD521" bold="true" pageId="0" pageNumber="99">AS</emphasis>
|
|
arm spine. Scale bars: 2 mm (
|
|
<emphasis id="9989ED5F71A4DF28981103F4F6C5436E" bold="true" pageId="0" pageNumber="99">A, C, E</emphasis>
|
|
); 1 mm (
|
|
<emphasis id="0E8946FCB990E47E35742531F8F575B9" bold="true" pageId="0" pageNumber="99">B, D, F</emphasis>
|
|
).
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph id="59CB00766EE75D82CDE4C2674D681E6A" pageId="0" pageNumber="99">
|
|
<emphasis id="8E8A28E10E711395858D8B189C618CB6" bold="true" pageId="0" pageNumber="99">
|
|
<taxonomicName id="95A38B1C472178708238B6A3EB206FD2" genus="Ossicle" lsidName="Ossicle morphology" pageId="0" pageNumber="99" rank="species" species="morphology">
|
|
<emphasis id="7FE139A097E7CAB9DE2D3DAC0043E39D" italics="true" pageId="0" pageNumber="99">Ossicle morphology</emphasis>
|
|
</taxonomicName>
|
|
.
|
|
</emphasis>
|
|
Vertebrae articulation streptospondylous, wider than long in proximal segments (Fig.
|
|
<figureCitation id="B69EB78C5C4D0999CF26547BAB624D96" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Vertebrae in basal arm of Astrodia abyssicola (RSIO 68002) A proximal view B distal view C oral view D aboral view E, F lateral view. Abbreviations: PB podial basin; LF lateral furrow. Scale bars: 150 μm (A-F)." figureDoi="10.3897/zookeys.1123.87397.figure10" httpUri="https://binary.pensoft.net/fig/752859" pageId="0" pageNumber="99">10A, B</figureCitation>
|
|
), longer than wide in distal segments (Fig.
|
|
<figureCitation id="066E7B34BAC4EEB4123F2B13D99EB17A" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Vertebrae in distal arm of Astrodia abyssicola holotype: RSIO 68002) A proximal view B distal view C oral view D aboral view E, F lateral view. Abbreviations: PB podial basin; LF lateral furrow. Scale bars: 150 μm (C, D, E); 90 μm (A, B, F)." figureDoi="10.3897/zookeys.1123.87397.figure11" httpUri="https://binary.pensoft.net/fig/752860" pageId="0" pageNumber="99">11A, B</figureCitation>
|
|
). Oral side of each vertebra with longitudinal groove along midline, deeply depressed, and no oral bridge (Figs
|
|
<figureCitation id="54EFAD5AE423C84841C83117DCA01273" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Vertebrae in basal arm of Astrodia abyssicola (RSIO 68002) A proximal view B distal view C oral view D aboral view E, F lateral view. Abbreviations: PB podial basin; LF lateral furrow. Scale bars: 150 μm (A-F)." figureDoi="10.3897/zookeys.1123.87397.figure10" httpUri="https://binary.pensoft.net/fig/752859" pageId="0" pageNumber="99">10C</figureCitation>
|
|
,
|
|
<figureCitation id="752C22A1F5A9638566CD51F981CCD299" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Vertebrae in distal arm of Astrodia abyssicola holotype: RSIO 68002) A proximal view B distal view C oral view D aboral view E, F lateral view. Abbreviations: PB podial basin; LF lateral furrow. Scale bars: 150 μm (C, D, E); 90 μm (A, B, F)." figureDoi="10.3897/zookeys.1123.87397.figure11" httpUri="https://binary.pensoft.net/fig/752860" pageId="0" pageNumber="99">11C</figureCitation>
|
|
). Pair of podial basins on oral side moderate in size (Figs
|
|
<figureCitation id="154A545A4297703FCBA45A8BFADB8380" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Vertebrae in basal arm of Astrodia abyssicola (RSIO 68002) A proximal view B distal view C oral view D aboral view E, F lateral view. Abbreviations: PB podial basin; LF lateral furrow. Scale bars: 150 μm (A-F)." figureDoi="10.3897/zookeys.1123.87397.figure10" httpUri="https://binary.pensoft.net/fig/752859" pageId="0" pageNumber="99">10C</figureCitation>
|
|
,
|
|
<figureCitation id="441DA3DD3B0424BD6F9B06F96205F979" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Vertebrae in distal arm of Astrodia abyssicola holotype: RSIO 68002) A proximal view B distal view C oral view D aboral view E, F lateral view. Abbreviations: PB podial basin; LF lateral furrow. Scale bars: 150 μm (C, D, E); 90 μm (A, B, F)." figureDoi="10.3897/zookeys.1123.87397.figure11" httpUri="https://binary.pensoft.net/fig/752860" pageId="0" pageNumber="99">11C</figureCitation>
|
|
). Aboral side of each arm vertebra with longitudinal aboral groove,moderately depressed (Figs
|
|
<figureCitation id="2EF0D2604E9F2ECE5A62B0994B5903FE" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Vertebrae in basal arm of Astrodia abyssicola (RSIO 68002) A proximal view B distal view C oral view D aboral view E, F lateral view. Abbreviations: PB podial basin; LF lateral furrow. Scale bars: 150 μm (A-F)." figureDoi="10.3897/zookeys.1123.87397.figure10" httpUri="https://binary.pensoft.net/fig/752859" pageId="0" pageNumber="99">10D</figureCitation>
|
|
,
|
|
<figureCitation id="B623C4412FD722B175F6E81C5CC63A6F" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Vertebrae in distal arm of Astrodia abyssicola holotype: RSIO 68002) A proximal view B distal view C oral view D aboral view E, F lateral view. Abbreviations: PB podial basin; LF lateral furrow. Scale bars: 150 μm (C, D, E); 90 μm (A, B, F)." figureDoi="10.3897/zookeys.1123.87397.figure11" httpUri="https://binary.pensoft.net/fig/752860" pageId="0" pageNumber="99">11D</figureCitation>
|
|
). Lateral furrow of vertebrae declining obliquely from aboral to oral side (Figs
|
|
<figureCitation id="E980CBFB381B5FA2EC03820BC6B0478C" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Vertebrae in basal arm of Astrodia abyssicola (RSIO 68002) A proximal view B distal view C oral view D aboral view E, F lateral view. Abbreviations: PB podial basin; LF lateral furrow. Scale bars: 150 μm (A-F)." figureDoi="10.3897/zookeys.1123.87397.figure10" httpUri="https://binary.pensoft.net/fig/752859" pageId="0" pageNumber="99">10E, F</figureCitation>
|
|
,
|
|
<figureCitation id="F75E464E522BD10DE20CBC9F1F224152" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Vertebrae in distal arm of Astrodia abyssicola holotype: RSIO 68002) A proximal view B distal view C oral view D aboral view E, F lateral view. Abbreviations: PB podial basin; LF lateral furrow. Scale bars: 150 μm (C, D, E); 90 μm (A, B, F)." figureDoi="10.3897/zookeys.1123.87397.figure11" httpUri="https://binary.pensoft.net/fig/752860" pageId="0" pageNumber="99">11E, F</figureCitation>
|
|
). Lateral arm plates crescent-shaped, each associated with one or two arm spines. Spine articulations with separated nerve and muscle openings, bulging outwards (Fig.
|
|
<figureCitation id="9C0B463CBB9C0AAED5D72F4B91E4E62A" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Lateral arm plates and arm spines of Astrodia abyssicola (RSIO 68002) A, B lateral arm plates from the proximal arm, outer view (A), and inner view (B) C, D lateral arm plates from the distal arm, outer view (C), and inner view (D) E, F arm spines from proximal (E) and distal (F). Abbreviations: MO muscle opening; NO nerve opening; R ridge. Scale bars: 90 μm (A, B, F); 60 μm (C, D, E)." figureDoi="10.3897/zookeys.1123.87397.figure12" httpUri="https://binary.pensoft.net/fig/752861" pageId="0" pageNumber="99">12A, C</figureCitation>
|
|
). A ridge on inner side of lateral arm plate (Fig.
|
|
<figureCitation id="A9086CE8230BFD3BC9D2259D901D0B8F" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Lateral arm plates and arm spines of Astrodia abyssicola (RSIO 68002) A, B lateral arm plates from the proximal arm, outer view (A), and inner view (B) C, D lateral arm plates from the distal arm, outer view (C), and inner view (D) E, F arm spines from proximal (E) and distal (F). Abbreviations: MO muscle opening; NO nerve opening; R ridge. Scale bars: 90 μm (A, B, F); 60 μm (C, D, E)." figureDoi="10.3897/zookeys.1123.87397.figure12" httpUri="https://binary.pensoft.net/fig/752861" pageId="0" pageNumber="99">12D</figureCitation>
|
|
). Arm spines cylindrical, never hooked, bearing fine thorns at apex throughout arms (Fig.
|
|
<figureCitation id="CE05CE9324BAE845E790E0492A3B25A0" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Lateral arm plates and arm spines of Astrodia abyssicola (RSIO 68002) A, B lateral arm plates from the proximal arm, outer view (A), and inner view (B) C, D lateral arm plates from the distal arm, outer view (C), and inner view (D) E, F arm spines from proximal (E) and distal (F). Abbreviations: MO muscle opening; NO nerve opening; R ridge. Scale bars: 90 μm (A, B, F); 60 μm (C, D, E)." figureDoi="10.3897/zookeys.1123.87397.figure12" httpUri="https://binary.pensoft.net/fig/752861" pageId="0" pageNumber="99">12E, F</figureCitation>
|
|
).
|
|
</paragraph>
|
|
<caption id="BB1C95C7C7E8E064BB78CAC07CDF3D69" doi="10.3897/zookeys.1123.87397.figure10" httpUri="https://binary.pensoft.net/fig/752859" pageId="0" pageNumber="99" start="Figure 10" startId="F10">
|
|
<paragraph id="67BFF319EB6F3D753C80F87B07459232" pageId="0" pageNumber="99">
|
|
<emphasis id="AD2DC56EE5378D8DBBC66038A39548E3" bold="true" pageId="0" pageNumber="99">Figure 10.</emphasis>
|
|
Vertebrae in basal arm of
|
|
<taxonomicName id="AE1109E6D126EE69939222865B9796D8" baseAuthorityName="Lyman" baseAuthorityYear="1879" class="Ophiuroidea" family="Asteronychidae" genus="Astrodia" kingdom="Animalia" lsidName="Astrodia abyssicola" order="Euryalida" pageId="0" pageNumber="99" phylum="Echinodermata" rank="species" species="abyssicola">
|
|
<emphasis id="BAF36AF5DCCF3A3CC4D2C5C663409A02" italics="true" pageId="0" pageNumber="99">Astrodia abyssicola</emphasis>
|
|
</taxonomicName>
|
|
(RSIO68002)
|
|
<emphasis id="CED33E19F422E23CD2C82B58A203D501" bold="true" pageId="0" pageNumber="99">A</emphasis>
|
|
proximal view
|
|
<emphasis id="BFC59E282BF7B7445D10949CA86D6A7C" bold="true" pageId="0" pageNumber="99">B</emphasis>
|
|
distal view
|
|
<emphasis id="0DF84A52BE45CD1EF5E6599760D20FF0" bold="true" pageId="0" pageNumber="99">C</emphasis>
|
|
oral view
|
|
<emphasis id="D17EB0B76EDF5FACB11C3CE8C72A102F" bold="true" pageId="0" pageNumber="99">D</emphasis>
|
|
aboral view
|
|
<emphasis id="50C6E79DF1DC53A06B2CB43D4A579B9E" bold="true" pageId="0" pageNumber="99">E, F</emphasis>
|
|
lateral view. Abbreviations:
|
|
<emphasis id="D35440DE830EBB91787B05D1569524BE" bold="true" pageId="0" pageNumber="99">PB</emphasis>
|
|
podial basin;
|
|
<emphasis id="7CCAA2E669E2769DDEF79F3D7BF4AAA7" bold="true" pageId="0" pageNumber="99">LF</emphasis>
|
|
lateral furrow. Scale bars: 150
|
|
<normalizedToken id="E2AE0E2DAB17C2845B75CCDD4B9145EF" originalValue="μm">μm</normalizedToken>
|
|
(
|
|
<emphasis id="ABF2D72473005A256DE09B3C1F7BB1A1" bold="true" pageId="0" pageNumber="99">A-F</emphasis>
|
|
).
|
|
</paragraph>
|
|
</caption>
|
|
<caption id="9D9B2F46BD4DDD5BA089AACD4DACA28D" doi="10.3897/zookeys.1123.87397.figure11" httpUri="https://binary.pensoft.net/fig/752860" pageId="0" pageNumber="99" start="Figure 11" startId="F11">
|
|
<paragraph id="6BA0433665753F75FDB6C53A25B0C53A" pageId="0" pageNumber="99">
|
|
<emphasis id="A9E4D14B81CC8CF89142746503FD94A1" bold="true" pageId="0" pageNumber="99">Figure 11.</emphasis>
|
|
Vertebrae in distal arm of
|
|
<taxonomicName id="2210E7345CAB3886E45A30B20635D639" baseAuthorityName="Lyman" baseAuthorityYear="1879" class="Ophiuroidea" family="Asteronychidae" genus="Astrodia" kingdom="Animalia" lsidName="Astrodia abyssicola" order="Euryalida" pageId="0" pageNumber="99" phylum="Echinodermata" rank="species" species="abyssicola">
|
|
<emphasis id="A6F9D234E1C3F8533E864FDB4CF7200C" italics="true" pageId="0" pageNumber="99">Astrodia abyssicola</emphasis>
|
|
</taxonomicName>
|
|
holotype: RSIO68002)
|
|
<emphasis id="EDD785184907CE368C1763653DF9057E" bold="true" pageId="0" pageNumber="99">A</emphasis>
|
|
proximal view
|
|
<emphasis id="FBC067F3BA6F2461808FF7C25AD437B5" bold="true" pageId="0" pageNumber="99">B</emphasis>
|
|
distal view
|
|
<emphasis id="01211CD6637F4AB7D1808BB574109799" bold="true" pageId="0" pageNumber="99">C</emphasis>
|
|
oral view
|
|
<emphasis id="C3B8DF8C5D36015A4CFEA9950BD30DAF" bold="true" pageId="0" pageNumber="99">D</emphasis>
|
|
aboral view
|
|
<emphasis id="E106B5F2E5BF86E2C9F7ACCA27DB7A7E" bold="true" pageId="0" pageNumber="99">E, F</emphasis>
|
|
lateral view. Abbreviations:
|
|
<emphasis id="EB75E059EEDAF966218FA05934518C20" bold="true" pageId="0" pageNumber="99">PB</emphasis>
|
|
podial basin;
|
|
<emphasis id="82931E519484E9645372ADFD8F80097D" bold="true" pageId="0" pageNumber="99">LF</emphasis>
|
|
lateral furrow. Scale bars: 150
|
|
<normalizedToken id="692B7EE658238AF73A785ADD747AE828" originalValue="μm">μm</normalizedToken>
|
|
(
|
|
<emphasis id="3BC7AE95D52504E25EB3764238AE5412" bold="true" pageId="0" pageNumber="99">C, D, E</emphasis>
|
|
); 90
|
|
<normalizedToken id="26B3B40215E3C418529909C0E1DEBE6B" originalValue="μm">μm</normalizedToken>
|
|
(
|
|
<emphasis id="BB244E1418A3804B46E99B2D54BE5473" bold="true" pageId="0" pageNumber="99">A, B, F</emphasis>
|
|
).
|
|
</paragraph>
|
|
</caption>
|
|
<caption id="F4E9909D3C382359961F047687C9710F" doi="10.3897/zookeys.1123.87397.figure12" httpUri="https://binary.pensoft.net/fig/752861" pageId="0" pageNumber="99" start="Figure 12" startId="F12">
|
|
<paragraph id="EE343F53901E49CF3399A0553B5AA0F1" pageId="0" pageNumber="99">
|
|
<emphasis id="E70B6CBB7421765EC8AD21F038B0DBAD" bold="true" pageId="0" pageNumber="99">Figure 12.</emphasis>
|
|
Lateral arm plates and arm spines of
|
|
<taxonomicName id="E362DA4954791BB738315D98179A7D50" baseAuthorityName="Lyman" baseAuthorityYear="1879" class="Ophiuroidea" family="Asteronychidae" genus="Astrodia" kingdom="Animalia" lsidName="Astrodia abyssicola" order="Euryalida" pageId="0" pageNumber="99" phylum="Echinodermata" rank="species" species="abyssicola">
|
|
<emphasis id="4ECC3F341BE0140EA70BF4B74267F113" italics="true" pageId="0" pageNumber="99">Astrodia abyssicola</emphasis>
|
|
</taxonomicName>
|
|
(RSIO68002)
|
|
<emphasis id="5D7C8DAC79CE0D3B86DD0A74920AFECC" bold="true" pageId="0" pageNumber="99">A, B</emphasis>
|
|
lateral arm plates from the proximal arm, outer view (
|
|
<emphasis id="1DE6C49AED258E2C07664329C7C70DBE" bold="true" pageId="0" pageNumber="99">A</emphasis>
|
|
), and inner view (
|
|
<emphasis id="2A756F0B54FC8D89906899EA9E64EDD9" bold="true" pageId="0" pageNumber="99">B</emphasis>
|
|
)
|
|
<emphasis id="DA6A628EE151040C6C4003E42817B2D3" bold="true" pageId="0" pageNumber="99">C, D</emphasis>
|
|
lateral arm plates from the distal arm, outer view (
|
|
<emphasis id="0775FFB1C49DCB22C742E12C491DC229" bold="true" pageId="0" pageNumber="99">C</emphasis>
|
|
), and inner view (
|
|
<emphasis id="2E4D6C1B424DCB30DA106B466AB7ECBF" bold="true" pageId="0" pageNumber="99">D</emphasis>
|
|
)
|
|
<emphasis id="2E6942A3369DE6530509CFED5A1A92C5" bold="true" pageId="0" pageNumber="99">E, F</emphasis>
|
|
arm spines from proximal (E) and distal (F). Abbreviations:
|
|
<emphasis id="E266343C75143A070A5B247011AE86D0" bold="true" pageId="0" pageNumber="99">MO</emphasis>
|
|
muscle opening;
|
|
<emphasis id="D4A1F18D0F0C9118027FCF3FE32E5842" bold="true" pageId="0" pageNumber="99">NO</emphasis>
|
|
nerve opening;
|
|
<emphasis id="65EAFA888FFCC6C79D175E84F975C882" bold="true" pageId="0" pageNumber="99">R</emphasis>
|
|
ridge. Scale bars: 90
|
|
<normalizedToken id="11A43B482467CDAB973C4F1C4E95A03E" originalValue="μm">μm</normalizedToken>
|
|
(
|
|
<emphasis id="D67D9E6F81706B17BE7203E57113719D" bold="true" pageId="0" pageNumber="99">A, B, F</emphasis>
|
|
); 60
|
|
<normalizedToken id="A81336EBC41DFF0DCDB7CDF9AD87D5E1" originalValue="μm">μm</normalizedToken>
|
|
(
|
|
<emphasis id="C39E8C0314EA2F9B904516BE56F4103D" bold="true" pageId="0" pageNumber="99">C, D, E</emphasis>
|
|
).
|
|
</paragraph>
|
|
</caption>
|
|
</subSubSection>
|
|
<subSubSection id="D66FCED8A6198345AA430F7DB4AE7623" pageId="0" pageNumber="99" type="remarks">
|
|
<paragraph id="92F8FC06E4104B040DAE67E9724AE590" pageId="0" pageNumber="99">Remarks.</paragraph>
|
|
<paragraph id="706C9DB5D483D4414D15AD7C3D93793D" pageId="0" pageNumber="99">
|
|
<taxonomicName id="62BAB0B58BB1D0694EA1C9001ECC2538" authorityName="Lyman" authorityYear="1879" class="Ophiuroidea" family="Asteronychidae" genus="Ophiocreas" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophiocreas abyssicola" order="Euryalida" pageId="0" pageNumber="99" phylum="Echinodermata" rank="species" species="abyssicola">
|
|
<emphasis id="A61CA2379026F5725FC2DC24D74D47DC" italics="true" pageId="0" pageNumber="99">Ophiocreas abyssicola</emphasis>
|
|
</taxonomicName>
|
|
was first described by
|
|
<bibRefCitation id="8BEAC4AA72B9CCB3E629A5EC63DBEF28" author="Lyman, T" journalOrPublisher="Bulletin of the Museum of Comparative Zoology at Harvard College, Cambridge, Mass" pageId="0" pageNumber="99" pagination="17 - 83" publicationUrl="https://www.biodiversitylibrary.org/page/31068674page/27/mode/1up" refId="B9" refString="Lyman, T, 1879. Ophiuridae and Astrophytidae of the "Challenger" expedition. Part II. Bulletin of the Museum of Comparative Zoology at Harvard College, Cambridge, Mass 6: 17 - 83, https://www.biodiversitylibrary.org/page/31068674page/27/mode/1up" title="Ophiuridae and Astrophytidae of the " Challenger " expedition. Part II." url="https://www.biodiversitylibrary.org/page/31068674page/27/mode/1up" volume="6" year="1879">Lyman (1879)</bibRefCitation>
|
|
.
|
|
<bibRefCitation id="E7A8A109326488AF8E1A0C07143CFCB4" DOI="https://doi.org/10.1017/S0025315413001331" author="Okanishi, M" journalOrPublisher="Journal of the Marine Biological Association of the United Kingdom" pageId="0" pageNumber="99" pagination="187 - 201" refId="B14" refString="Okanishi, M, Fujita, T, 2014. A taxonomic review of the genus Astrodia (Echinodermata: Ophiuroidea: Asteronychidae). Journal of the Marine Biological Association of the United Kingdom 94 (1): 187 - 201, DOI: https://doi.org/10.1017/S0025315413001331" title="A taxonomic review of the genus Astrodia (Echinodermata: Ophiuroidea: Asteronychidae)." url="https://doi.org/10.1017/S0025315413001331" volume="94" year="2014">Okanishi and Fujita (2014)</bibRefCitation>
|
|
transferred O.
|
|
<taxonomicName id="D1457622492CAC9F5EBA5BFF2E9FC581" authorityName="Lyman" authorityYear="1879" class="Ophiuroidea" family="Asteronychidae" genus="Ophiocreas" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ophiocreas abyssicola" order="Euryalida" pageId="0" pageNumber="99" phylum="Echinodermata" rank="species" species="abyssicola">
|
|
<emphasis id="6EAF3E9E8AB0A72A2678C0FA4F29C05E" italics="true" pageId="0" pageNumber="99">Ophiocreas abyssicola</emphasis>
|
|
</taxonomicName>
|
|
to the genus
|
|
<taxonomicName id="DE52FE5E07F9C8B57C16D71CFF0663CC" authorityName="Verrill" authorityYear="1899" class="Ophiuroidea" family="Asteronychidae" genus="Astrodia" kingdom="Animalia" lsidName="Astrodia" order="Euryalida" pageId="0" pageNumber="99" phylum="Echinodermata" rank="genus">
|
|
<emphasis id="E58C2447CD9BE3CA56F18DC57BBF24DB" italics="true" pageId="0" pageNumber="99">Astrodia</emphasis>
|
|
</taxonomicName>
|
|
and redescribed it. This specimen (RSIO68002) was identical to
|
|
<taxonomicName id="E988F6139A8FA594FD0B262590A6E874" baseAuthorityName="Lyman" baseAuthorityYear="1879" class="Ophiuroidea" family="Asteronychidae" genus="Astrodia" kingdom="Animalia" lsidName="Astrodia abyssicola" order="Euryalida" pageId="0" pageNumber="99" phylum="Echinodermata" rank="species" species="abyssicola">
|
|
<emphasis id="B3D09EDEEDBAA5F5DF7C9D7297990A18" italics="true" pageId="0" pageNumber="99">Astrodia abyssicola</emphasis>
|
|
</taxonomicName>
|
|
by having 0~2 arm spines, rather short genital slits and crescent-shaped lateral arm plates. However, this specimen lacks external ossicles on the disc and arms, which is different from previous descriptions of
|
|
<taxonomicName id="8A665C4ABCB8206A0A63EDD09F8BDE5A" baseAuthorityName="Lyman" baseAuthorityYear="1879" class="Ophiuroidea" family="Asteronychidae" genus="Astrodia" kingdom="Animalia" lsidName="Astrodia abyssicola" order="Euryalida" pageId="0" pageNumber="99" phylum="Echinodermata" rank="species" species="abyssicola">
|
|
<emphasis id="21C7D70441EE955A248AE3B4FC0C0E0D" italics="true" pageId="0" pageNumber="99">Astrodia abyssicola</emphasis>
|
|
</taxonomicName>
|
|
by
|
|
<bibRefCitation id="2C9D7C6214C36D3FEA024FEDD986B457" DOI="https://doi.org/10.1017/S0025315413001331" author="Okanishi, M" journalOrPublisher="Journal of the Marine Biological Association of the United Kingdom" pageId="0" pageNumber="99" pagination="187 - 201" refId="B14" refString="Okanishi, M, Fujita, T, 2014. A taxonomic review of the genus Astrodia (Echinodermata: Ophiuroidea: Asteronychidae). Journal of the Marine Biological Association of the United Kingdom 94 (1): 187 - 201, DOI: https://doi.org/10.1017/S0025315413001331" title="A taxonomic review of the genus Astrodia (Echinodermata: Ophiuroidea: Asteronychidae)." url="https://doi.org/10.1017/S0025315413001331" volume="94" year="2014">Okanishi and Fujita (2014)</bibRefCitation>
|
|
as having plate-shaped external ossicles on the periphery. Nevertheless, the genetic distance of COI and 16S (2.9% and 1.9%) between the new collected specimen and
|
|
<taxonomicName id="BEBDCD70A3C9CCFD79648025B54CB04E" lsidName="A. abyssicola" pageId="0" pageNumber="99" rank="species" species="abyssicola">
|
|
<emphasis id="6AA2F174B9C3F77767723C8506C9E113" italics="true" pageId="0" pageNumber="99">A. abyssicola</emphasis>
|
|
</taxonomicName>
|
|
are too small to justify two different species. Therefore, this specimen was identified as
|
|
<taxonomicName id="63865C63749D30C5FB0243B4A923FAE8" lsidName="A. abyssicola" pageId="0" pageNumber="99" rank="species" species="abyssicola">
|
|
<emphasis id="0A8BCBD7F6CC64378ECDC52BB37C2021" italics="true" pageId="0" pageNumber="99">A. abyssicola</emphasis>
|
|
</taxonomicName>
|
|
, thus the external ossicles on the aboral surface of the disc could be plate-shaped or absent in this species.
|
|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |