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<document id="89982A167ADBBE293A711EB6CA197D26" ID-DOI="10.1080/00222930010025932" ID-ISSN="1464-5262" ID-Zenodo-Dep="5300023" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630000377446" checkinUser="felipe" docAuthor="Bamber, Roger N." docDate="2002" docId="D04E87BCFFD0FFB6FE3FC1869720FE93" docLanguage="en" docName="JNatHist.36.6.715-727.pdf" docOrigin="Journal of Natural History 36 (6)" docSource="http://www.tandfonline.com/doi/abs/10.1080/00222930010025932" docStyle="DocumentStyle:C540815C53297EEE0623138269730482.2:JNatHist.2000-2002.journal_article.1cover" docStyleId="C540815C53297EEE0623138269730482" docStyleName="JNatHist.2000-2002.journal_article.1cover" docStyleVersion="2" docTitle="Ascorhynchus heuresis Bamber 2002, sp. nov." docType="treatment" docVersion="3" lastPageNumber="718" masterDocId="2C77FFC4FFD2FFB2FF84C1699654FFAF" masterDocTitle="Bathypelagic pycnogonids (Arthropoda, Pycnogonida) from the Discovery deep-sea cruises" masterLastPageNumber="727" masterPageNumber="715" pageNumber="716" updateTime="1699135155252" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="F9522CD606A7F57D2362CA7FA5F77F5F">Bathypelagic pycnogonids (Arthropoda, Pycnogonida) from the Discovery deep-sea cruises</mods:title>
</mods:titleInfo>
<mods:name id="71569472A6DA8C3EB4CA5E5E69BE07A7" type="personal">
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<mods:namePart id="735B8F4BB4C5ACBCFFDE3897276238E7">Bamber, Roger N.</mods:namePart>
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<mods:title id="D9BF0721948A1946D5830536BC2A74D4">Journal of Natural History</mods:title>
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<mods:date id="F486D2B7F0C44A776E5E6FCD1F7C3446">2002</mods:date>
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<mods:number id="AE463FED4A7C8ECE85793CC7AE54AA1A">2002-04-30</mods:number>
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<mods:number id="9C4260D47F0B02ADA21E193BB98370CD">36</mods:number>
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<mods:number id="0573AC654DB6B72F83996C49E9047F7D">6</mods:number>
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<mods:identifier id="E9C59D18EAF38D364814249EA4FB592C" type="DOI">10.1080/00222930010025932</mods:identifier>
<mods:identifier id="B7932C49D1DF4D2E6B2D9470547CE5DB" type="ISSN">1464-5262</mods:identifier>
<mods:identifier id="29DA01650BBF2CFB5E68529DAEE57C9A" type="Zenodo-Dep">5300023</mods:identifier>
</mods:mods>
<treatment id="D04E87BCFFD0FFB6FE3FC1869720FE93" LSID="urn:lsid:plazi:treatment:D04E87BCFFD0FFB6FE3FC1869720FE93" httpUri="http://treatment.plazi.org/id/D04E87BCFFD0FFB6FE3FC1869720FE93" lastPageId="4" lastPageNumber="718" pageId="2" pageNumber="716">
<subSubSection id="10FD6521FFD0FFB0FE3FC18694C9FE88" pageId="2" pageNumber="716" type="nomenclature">
<paragraph id="585836AAFFD0FFB0FE3FC18694C9FE88" blockId="2.[443,791,239,296]" pageId="2" pageNumber="716">
<heading id="031081C6FFD0FFB0FE3FC1869543FEA8" box="[443,791,239,263]" centered="true" fontSize="10" level="2" pageId="2" pageNumber="716" reason="3">
<taxonomicName id="9FE74D29FFD0FFB0FE3FC18694E0FEA8" ID-CoL="H8N2" authority="Bamber, 2002" authorityName="Bamber" authorityYear="2002" box="[443,692,239,263]" class="Pycnogonida" family="Ascorhynchidae" genus="Ascorhynchus" kingdom="Animalia" order="Pantopoda" pageId="2" pageNumber="716" phylum="Arthropoda" rank="species" species="heuresis" status="sp. nov.">
<emphasis id="6A93EAB8FFD0FFB0FE3FC18694E0FEA8" bold="true" box="[443,692,239,263]" italics="true" pageId="2" pageNumber="716">Ascorhynchus heuresis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="71A057C3FFD0FFB0FD39C1999543FEA8" box="[701,791,240,263]" pageId="2" pageNumber="716" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
(®gure 1)
</paragraph>
</subSubSection>
<subSubSection id="10FD6521FFD0FFB6FF37C02C9720FE93" lastPageId="4" lastPageNumber="718" pageId="2" pageNumber="716" type="materials_examined">
<paragraph id="585836AAFFD0FFB0FF37C02C9570FED2" blockId="2.[140,1095,325,1687]" pageId="2" pageNumber="716">
<emphasis id="6A93EAB8FFD0FFB0FF37C02C9748FEF2" box="[179,284,325,349]" italics="true" pageId="2" pageNumber="716">Material.</emphasis>
One male (
<typeStatus id="875C8808FFD0FFB0FE3CC02C944FFEF2" box="[440,539,325,349]" pageId="2" pageNumber="716" type="holotype">holotype</typeStatus>
), Station 10379#38, 35ss57.0¾N 32ss53.3¾W,
<quantity id="9F1F9B4FFFD0FFB0FB80C02C9689FED3" metricMagnitude="3" metricUnit="m" metricValue="2.91" metricValueMax="2.98" metricValueMin="2.84" pageId="2" pageNumber="716" unit="m" value="2910.0" valueMax="2980.0" valueMin="2840.0">2840± 2980 m</quantity>
,
<date id="2C59106AFFD0FFB0FF6FC00C97D5FED2" box="[235,385,357,381]" pageId="2" pageNumber="716" value="1981-06-14">14 June 1981</date>
(Registration No. NHM 2000.26 6).
</paragraph>
<paragraph id="585836AAFFD0FFB0FF37C0EC953DFDF4" blockId="2.[140,1095,325,1687]" pageId="2" pageNumber="716">
<emphasis id="6A93EAB8FFD0FFB0FF37C0EC97C9FE33" box="[179,413,388,412]" italics="true" pageId="2" pageNumber="716">Description of male.</emphasis>
Relatively small species. Trunk (®gure 1A±C) fully segmented, glabrous, ®rst three segment posteriors slightly raised and bearing pointed mediodorsal tubercle; lateral processes separated by just less than their own diameters, each bearing pointed dorsodistal tubercle. Cephalon with pair of pointed anterodorsal tubercles (`horns); ocular tubercle at anterior margin, pointed, with four eyes. Last trunk segment without dorsal tubercle. Abdomen slender, naked, horizontal, extending to less than half length of coxa 2 of leg 4.
</paragraph>
<paragraph id="585836AAFFD0FFB0FF37C30A9531FD34" blockId="2.[140,1095,325,1687]" pageId="2" pageNumber="716">Chelifore scape of single article, cylindrical, curved, naked; chela digitate, tiny, movable ®nger ināted proximally, ®ngers distally very slender.</paragraph>
<paragraph id="585836AAFFD0FFB0FF37C3CA94A1FD74" blockId="2.[140,1095,325,1687]" pageId="2" pageNumber="716">Palp (®gure 1E) of 10 articles, article 3 naked, longer than 5, article 5 ināted, distal articles not very slender, with few ventral setae.</paragraph>
<paragraph id="585836AAFFD0FFB0FF37C38A9482FC95" blockId="2.[140,1095,325,1687]" pageId="2" pageNumber="716">Oviger (®gure 1A) of 10 articles, proximal three short, 5&gt;4&gt;6, strigilis articles subequal, bearing 5, 4, 4 and 4 compound spines, respectively, distal claw slender, pointed, not denticulate, shorter than distal article.</paragraph>
<paragraph id="585836AAFFD0FFB0FF37C22A9776FBB5" blockId="2.[140,1095,325,1687]" pageId="2" pageNumber="716">Legs (®gure 1D) slender; coxae 1 and 3 subequal, half length of coxa 2; femur with few setae, single dorsal cement gland pore just distal of median; tibia 1 longer than femur, dorsal, lateral and ventral setae, some as long as tibial diameter; tibia 2 longest article, setose as tibia 1 plus group of short`sole setae distally; tarsus slender, with nine short sole setae; propodus 1.5 times tarsus, with nine short sole setae, elongate dorsal seta. Main claw stout, half length of propodus. Auxiliary claws absent.</paragraph>
<paragraph id="585836AAFFD0FFB0FF37C54B97D5FB95" blockId="2.[140,1095,325,1687]" box="[179,385,1058,1082]" pageId="2" pageNumber="716">Female unknown.</paragraph>
<paragraph id="585836AAFFD0FFB0FF37C52A942BFB16" blockId="2.[140,1095,325,1687]" pageId="2" pageNumber="716">
<emphasis id="6A93EAB8FFD0FFB0FF37C52A9706FBF5" box="[179,338,1091,1114]" italics="true" pageId="2" pageNumber="716">Measurements</emphasis>
(mm). Trunk length (anterior edge of cephalon to base of abdomen) 2.23; width across second lateral processes 1.32; proboscis 1.6; abdomen 0.73; leg 2, coxa 1 0.35; coxa 2 0.67; coxa 3 0.3; femur 2.27; tibia 1 2.73; tibia 2 2.93; tarsus 0.41; propodus 0.59; main claw 0.28.
</paragraph>
<paragraph id="585836AAFFD0FFB0FF37C5A8955BFB56" blockId="2.[140,1095,325,1687]" pageId="2" pageNumber="716">
<emphasis id="6A93EAB8FFD0FFB0FF37C5A89766FB76" box="[179,306,1217,1241]" italics="true" pageId="2" pageNumber="716">Etymology.</emphasis>
From the Greek (as consistent with the generic name) for a discovery (noun, gender female), after the survey vessel.
</paragraph>
<paragraph id="585836AAFFD0FFB0FF37C4689768FA57" blockId="2.[140,1095,325,1687]" pageId="2" pageNumber="716">
<emphasis id="6A93EAB8FFD0FFB0FF37C468974AFAB6" box="[179,286,1281,1305]" italics="true" pageId="2" pageNumber="716">Remarks.</emphasis>
There are 10 described species of
<taxonomicName id="9FE74D29FFD0FFB0FD3CC468951BFAB6" box="[696,847,1281,1305]" class="Pycnogonida" family="Ascorhynchidae" genus="Ascorhynchus" kingdom="Animalia" order="Pantopoda" pageId="2" pageNumber="716" phylum="Arthropoda" rank="genus">
<emphasis id="6A93EAB8FFD0FFB0FD3CC468951BFAB6" box="[696,847,1281,1305]" italics="true" pageId="2" pageNumber="716">Ascorhynchus</emphasis>
</taxonomicName>
with a single-articled chelifore, tarsus greater than 50% of the propodal length (`longitarsal), and with tubercles mid-dorsally on the trunk, distally on the lateral processes and anterodorsally on the cephalon (`horns ). Of these, the new species shows similarities, particularly in the swollen ®fth palp article and the non-tripartite proboscis,
<emphasis id="6A93EAB8FFD0FFB0FC5DC4EB926AFA36" box="[985,1086,1409,1433]" italics="true" pageId="2" pageNumber="716">inter alia</emphasis>
, to
<taxonomicName id="9FE74D29FFD0FFB0FF29C4C894A5FA16" authority="Nakamura and Child, 1991" authorityName="Nakamura and Child" authorityYear="1991" box="[173,753,1441,1465]" class="Pycnogonida" family="Ascorhynchidae" genus="Ascorhynchus" kingdom="Animalia" order="Pantopoda" pageId="2" pageNumber="716" phylum="Arthropoda" rank="species" species="simplex">
<emphasis id="6A93EAB8FFD0FFB0FF29C4C897F2FA16" box="[173,422,1441,1465]" italics="true" pageId="2" pageNumber="716">Ascorhynchus simplex</emphasis>
<bibRefCitation id="3C764B5BFFD0FFB0FE34C4C894A5FA16" author="NAKAMURA, K. &amp; CHILD C. A." box="[432,753,1441,1465]" pageId="2" pageNumber="716" pagination="1" refId="ref5918" refString="NAKAMURA, K. and CHILD C. A., 1991, Pycnogonida from waters adjacent to Japan, Smithsonian Contributions to Zoology, 512, 1 ± 74." type="journal article" year="1991">Nakamura and Child, 1991</bibRefCitation>
</taxonomicName>
from Sagami Bay,
<collectingCountry id="20F0763AFFD0FFB0FC5EC4C89249FA17" box="[986,1053,1441,1464]" name="Japan" pageId="2" pageNumber="716">Japan</collectingCountry>
(at
<quantity id="9F1F9B4FFFD0FFB0FF08C4A99750FA77" box="[140,260,1472,1496]" metricMagnitude="2" metricUnit="m" metricValue="1.16" metricValueMax="1.22" metricValueMin="1.1" pageId="2" pageNumber="716" unit="m" value="116.0" valueMax="122.0" valueMin="110.0">110±122 m</quantity>
depth) and
<taxonomicName id="9FE74D29FFD0FFB0FE20C4A994ADFA77" authority="Child, 1998" authorityName="Child" authorityYear="1998" box="[420,761,1472,1496]" class="Pycnogonida" family="Ascorhynchidae" genus="Ascorhynchus" kingdom="Animalia" order="Pantopoda" pageId="2" pageNumber="716" phylum="Arthropoda" rank="species" species="orthostomum">
<emphasis id="6A93EAB8FFD0FFB0FE20C4A9940BFA77" box="[420,607,1472,1496]" italics="true" pageId="2" pageNumber="716">A. orthostomum</emphasis>
<bibRefCitation id="3C764B5BFFD0FFB0FDEBC4A994ADFA77" author="CHILD, C. A." box="[623,761,1472,1496]" pageId="2" pageNumber="716" pagination="1" refId="ref5637" refString="CHILD, C. A., 1998, The marine Fauna of New Zealand: Pycnogonida (Sea Spiders), National Institute of Water and Atmosphere Research (NIWA) Biodiversity Memoir, 109, 1 ± 71." type="journal article" year="1998">Child, 1998</bibRefCitation>
</taxonomicName>
from
<collectingCountry id="20F0763AFFD0FFB0FCCAC4A895BAFA77" box="[846,1006,1472,1496]" name="New Zealand" pageId="2" pageNumber="716">New Zealand</collectingCountry>
waters (
<quantity id="9F1F9B4FFFD0FFB0FF1DC4899779FA57" box="[153,301,1504,1528]" metricMagnitude="3" metricUnit="m" metricValue="1.493" metricValueMax="1.5859999999999999" metricValueMin="1.4" pageId="2" pageNumber="716" unit="m" value="1493.0" valueMax="1586.0" valueMin="1400.0">1400±1586 m</quantity>
).
</paragraph>
<paragraph id="585836AAFFD0FFB6FF37C7699587FF53" blockId="2.[140,1095,325,1687]" lastBlockId="4.[140,1094,133,317]" lastPageId="4" lastPageNumber="718" pageId="2" pageNumber="716">
Proportions of the articles of the ovigers and legs of these three species are very similar. They are most evidently distinguished by the number of cement gland pores,
<taxonomicName id="9FE74D29FFD0FFB0FF08C72997D6F9F7" authorityName="Nakamura and Child" authorityYear="1991" box="[140,386,1600,1624]" class="Pycnogonida" family="Ascorhynchidae" genus="Ascorhynchus" kingdom="Animalia" order="Pantopoda" pageId="2" pageNumber="716" phylum="Arthropoda" rank="species" species="simplex">
<emphasis id="6A93EAB8FFD0FFB0FF08C72997D6F9F7" box="[140,386,1600,1624]" italics="true" pageId="2" pageNumber="716">Ascorhynchus simplex</emphasis>
</taxonomicName>
having eight to nine per femur,
<taxonomicName id="9FE74D29FFD0FFB0FC84C72995E1F9F7" authorityName="Child" authorityYear="1998" box="[768,949,1600,1624]" class="Pycnogonida" family="Ascorhynchidae" genus="Ascorhynchus" kingdom="Animalia" order="Pantopoda" pageId="2" pageNumber="716" phylum="Arthropoda" rank="species" species="orthostomum">
<emphasis id="6A93EAB8FFD0FFB0FC84C72995E1F9F7" box="[768,949,1600,1624]" italics="true" pageId="2" pageNumber="716">A. orthostomum</emphasis>
</taxonomicName>
having two, and the present species only one. The proboscis of
<taxonomicName id="9FE74D29FFD0FFB0FD60C709958EF9D7" authorityName="Nakamura and Child" authorityYear="1991" box="[740,986,1632,1656]" class="Pycnogonida" family="Ascorhynchidae" genus="Ascorhynchus" kingdom="Animalia" order="Pantopoda" pageId="2" pageNumber="716" phylum="Arthropoda" rank="species" species="simplex">
<emphasis id="6A93EAB8FFD0FFB0FD60C709958EF9D7" box="[740,986,1632,1656]" italics="true" pageId="2" pageNumber="716">Ascorhynchus simplex</emphasis>
</taxonomicName>
is nearly as long as the trunk, that of
<taxonomicName id="9FE74D29FFD0FFB0FE52C71694DEF938" authorityName="Child" authorityYear="1998" box="[470,650,1663,1687]" class="Pycnogonida" family="Ascorhynchidae" genus="Ascorhynchus" kingdom="Animalia" order="Pantopoda" pageId="2" pageNumber="716" phylum="Arthropoda" rank="species" species="orthostomum">
<emphasis id="6A93EAB8FFD0FFB0FE52C71694DEF938" box="[470,650,1663,1687]" italics="true" pageId="2" pageNumber="716">A. orthostomum</emphasis>
</taxonomicName>
is longer than the trunk, and both are cylindrical distal to the peduncular area; the proboscis of
<taxonomicName id="9FE74D29FFD1FFB1FCC6C72995EBF9F7" authority="Bamber, 2002" authorityName="Bamber" authorityYear="2002" box="[834,959,1600,1624]" class="Pycnogonida" family="Ascorhynchidae" genus="Ascorhynchus" kingdom="Animalia" order="Pantopoda" pageId="3" pageNumber="717" phylum="Arthropoda" rank="species" species="heuresis" status="sp. nov.">
<emphasis id="6A93EAB8FFD1FFB1FCC6C72995EBF9F7" box="[834,959,1600,1624]" italics="true" pageId="3" pageNumber="717">A. heuresis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="71A057C3FFD1FFB1FC48C728927DF9F7" box="[972,1065,1601,1624]" pageId="3" pageNumber="717" rank="species">sp. nov.</taxonomicNameLabel>
is about 70% of the trunk length and bulbous. The abdomen of the new species extends to less than half the length of coxa 2 of leg 4, while those of the other two species extend to the distal edge of coxa 2. Also, while the distal palp articles of the other two species are`very slender (some four times as long as wide), those of the new species are less then three times as long as wide.
<taxonomicName id="9FE74D29FFD6FFB6FD4FC1AC9591FF72" authority="Bamber, 2002" authorityName="Bamber" authorityYear="2002" box="[715,965,197,221]" class="Pycnogonida" family="Ascorhynchidae" genus="Ascorhynchus" kingdom="Animalia" order="Pantopoda" pageId="4" pageNumber="718" phylum="Arthropoda" rank="species" species="heuresis" status="sp. nov.">
<emphasis id="6A93EAB8FFD6FFB6FD4FC1AC9591FF72" box="[715,965,197,221]" italics="true" pageId="4" pageNumber="718">Ascorhynchus heuresis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="71A057C3FFD6FFB6FC4BC1AC927FFF73" box="[975,1067,197,220]" pageId="4" pageNumber="718" rank="species">sp. nov.</taxonomicNameLabel>
is the least hirsute, notably on the proximal articles of the palp and oviger.
</paragraph>
<caption id="0C986622FFD1FFB1FF08C4F29713F9AF" ID-DOI="http://doi.org/10.5281/zenodo.5300025" ID-Zenodo-Dep="5300025" httpUri="https://zenodo.org/record/5300025/files/figure.png" pageId="3" pageNumber="717" startId="3.[140,156,1435,1456]" targetBox="[145,1089,134,1401]" targetPageId="3">
<paragraph id="585836AAFFD1FFB1FF08C4F29713F9AF" blockId="3.[140,1095,1434,1537]" pageId="3" pageNumber="717">
FIG. 1.
<taxonomicName id="9FE74D29FFD1FFB1FF63C4F39793FA1F" authority="Bamber, 2002" authorityName="Bamber" authorityYear="2002" box="[231,455,1434,1456]" class="Pycnogonida" family="Ascorhynchidae" genus="Ascorhynchus" kingdom="Animalia" order="Pantopoda" pageId="3" pageNumber="717" phylum="Arthropoda" rank="species" species="heuresis" status="sp. nov.">
<emphasis id="6A93EAB8FFD1FFB1FF63C4F39793FA1F" box="[231,455,1434,1456]" italics="true" pageId="3" pageNumber="717">Ascorhynchus heuresis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="71A057C3FFD1FFB1FE4AC4F29474FA1F" box="[462,544,1435,1456]" pageId="3" pageNumber="717" rank="species">sp. nov.</taxonomicNameLabel>
, male holotype. (A) Lateral (legs and palp omitted), with detail of compound oviger spine; (B) trunk, dorsal; (C) trunk, anterodorsal, showing`trident appearance of pointed tubercles; (D) 2nd left leg; (E) palp. Scale line 51 mm.
</paragraph>
</caption>
<paragraph id="585836AAFFD6FFB6FF37C06C9720FE93" blockId="4.[140,1094,133,317]" pageId="4" pageNumber="718">The specimen was collected from an epibenthic trawl on the eastern slope of the Mid-Atlanti c Ridge.</paragraph>
</subSubSection>
</treatment>
</document>