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<document id="63B9FF556A65A7BD6D8BAC5A517594F6" ID-DOI="10.11646/zootaxa.3669.2.8" ID-GBIF-Dataset="bbb5935a-603e-45f7-bef8-0bcd5766aaf8" ID-ISSN="1175-5326" ID-Zenodo-Dep="223094" ID-ZooBank="FE0FAED9-F768-4651-9A22-D2D56C7D4A04" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460630379270" checkinUser="plazi" docAuthor="Wang, Jianjia, Lin, Rongcheng, Bamber, Roger N. &amp; Huang, Dingyong" docDate="2013" docId="03E78793F527FFBDFF5EFBD4D73E19BC" docLanguage="en" docName="zt03669p171.pdf" docOrigin="Zootaxa 3669 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Sericosura dentatus Wang, Lin, Bamber &amp; Huang, 2013, sp. nov." docType="treatment" docVersion="8" lastPageNumber="170" masterDocId="FFDEFFEBF524FFB8FFC9FF97D3301E4F" masterDocTitle="Two new species of Sericosura Fry &amp; Hedgpeth, 1969 (Arthropoda: Pycnogonida: Ammotheidae) from a hydrothermal vent on the East Pacific Rise" masterLastPageNumber="171" masterPageNumber="165" pageNumber="168" updateTime="1698334475311" updateUser="plazi">
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<mods:title id="26D5EB5BC6B9317B23A98E7821AB2D2D">Two new species of Sericosura Fry &amp; Hedgpeth, 1969 (Arthropoda: Pycnogonida: Ammotheidae) from a hydrothermal vent on the East Pacific Rise</mods:title>
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<mods:name id="5DF08509AE0C8204C4688DA423395C2C" type="personal">
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<mods:roleTerm id="6B56E7CFE239D8ECAD93273DFD907E65">Author</mods:roleTerm>
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<mods:namePart id="8EDCA667DA606F367207068C511D08FF">Wang, Jianjia</mods:namePart>
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<mods:namePart id="731A5466F95607A2A44B4F378065317A">Lin, Rongcheng</mods:namePart>
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<mods:name id="0379AD88D51F7E216CBE53BDF6E7951E" type="personal">
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<mods:namePart id="9F3B9EDB957101914F74402355A3E13B">Bamber, Roger N.</mods:namePart>
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<mods:namePart id="507AF861D03163A74AF36332C92B09C7">Huang, Dingyong</mods:namePart>
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<mods:title id="38FAE6015EAD7AFE4FA940EB1E0E2250">Zootaxa</mods:title>
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<mods:date id="716E9A872CCD0FBCFA93E907526ED19A">2013</mods:date>
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<mods:number id="38255981AA7C1AC89BE0CDF4E7A27F77">3669</mods:number>
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<mods:identifier id="FC6644FB14259833AB905FFD68BA7547" type="DOI">10.11646/zootaxa.3669.2.8</mods:identifier>
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<treatment id="03E78793F527FFBDFF5EFBD4D73E19BC" ID-DOI="http://doi.org/10.5281/zenodo.6149487" ID-GBIF-Taxon="119569770" ID-Zenodo-Dep="6149487" LSID="urn:lsid:plazi:treatment:03E78793F527FFBDFF5EFBD4D73E19BC" httpUri="http://treatment.plazi.org/id/03E78793F527FFBDFF5EFBD4D73E19BC" lastPageId="5" lastPageNumber="170" pageId="3" pageNumber="168">
<subSubSection id="C354650EF527FFBBFF5EFBD4D23A1A31" pageId="3" pageNumber="168" type="nomenclature">
<paragraph id="8BF13685F527FFBBFF5EFBD4D2DB1A12" blockId="3.[151,491,1091,1150]" box="[151,491,1091,1117]" pageId="3" pageNumber="168">
<heading id="D0B981E9F527FFBBFF5EFBD4D2DB1A12" bold="true" box="[151,491,1091,1117]" fontSize="11" level="1" pageId="3" pageNumber="168" reason="1">
<emphasis id="B93AEA97F527FFBBFF5EFBD4D2DB1A12" bold="true" box="[151,491,1091,1117]" pageId="3" pageNumber="168">
<taxonomicName id="4C4E4D06F527FFBBFF5EFBD4D2B61A12" ID-CoL="6YJK9" box="[151,390,1091,1117]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="3" pageNumber="168" phylum="Arthropoda" rank="species" species="dentatus" status="sp. nov.">
<emphasis id="B93AEA97F527FFBBFF5EFBD4D2B61A12" bold="true" box="[151,390,1091,1117]" italics="true" pageId="3" pageNumber="168">Sericosura dentatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20957ECF527FFBBFE47FBD4D2DB1A12" box="[398,491,1091,1117]" pageId="3" pageNumber="168" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BF13685F527FFBBFF5EFBF1D23A1A31" blockId="3.[151,491,1091,1150]" box="[151,266,1126,1150]" pageId="3" pageNumber="168">
(
<figureCitation id="13752A00F527FFBBFF56FBF1D2321A31" box="[159,258,1126,1150]" captionStart-0="FIGURE 2" captionStart-1="FIGURE 3" captionStartId-0="4.[151,255,1926,1950]" captionStartId-1="5.[151,255,939,963]" captionTargetBox-0="[270,1319,654,1899]" captionTargetBox-1="[193,1405,204,909]" captionTargetId-0="figure@4.[258,1329,628,1903]" captionTargetId-1="figure@5.[175,1411,194,917]" captionTargetPageId-0="4" captionTargetPageId-1="5" captionText-0="FIGURE 2. Sericosura dentatus sp. nov., TVG 0904, male holotype: A, trunk, dorsal view; B, trunk, lateral view; C, palp; D, oviger; E, leg 1; F, tarsus, propodus, and claws of leg 1, enlarged; G, leg 3; H, propodus, and claws of leg 3, enlarged; I, cement gland tube of leg 3, enlarged. Scale bars = 1.0 mm." captionText-1="FIGURE 3. Sericosura dentatus sp. nov., TVG 0903, female paratype: A, leg 3; B, tarsus, propodus, and claws of leg 3, enlarged; C, palp; D, oviger; E, oviger distal articles, enlarged. Scale bars = 1.0 mm." httpUri-0="https://zenodo.org/record/223096/files/figure.png" httpUri-1="https://zenodo.org/record/223097/files/figure.png" pageId="3" pageNumber="168">Figs 23</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C354650EF527FFBBFF5EFB3AD6A71AA5" pageId="3" pageNumber="168" type="materials_examined">
<paragraph id="8BF13685F527FFBBFF5EFB3AD6A71AA5" blockId="3.[151,1437,1197,2014]" pageId="3" pageNumber="168">
<emphasis id="B93AEA97F527FFBBFF5EFB3AD2B51A89" bold="true" box="[151,389,1197,1222]" pageId="3" pageNumber="168">Material examined:</emphasis>
male
<typeStatus id="54F58827F527FFBBFE04FB39D11F1A89" box="[461,559,1198,1222]" pageId="3" pageNumber="168" type="holotype">holotype</typeStatus>
(TVG0904), one female
<typeStatus id="54F58827F527FFBBFC9BFB38D0821A88" box="[850,946,1199,1223]" pageId="3" pageNumber="168" type="paratype">paratype</typeStatus>
(TVG0903), DY115-
<date id="FFF01045F527FFBBFB62FB39D7D21A89" box="[1195,1250,1198,1222]" pageId="3" pageNumber="168" value="1921-03">21III</date>
Station 9, EPR, “Precious Stone Mountain” hydrothermal vent field,
<geoCoordinate id="EE7A5042F527FFBBFD2EFB45D0071AA5" box="[743,823,1234,1258]" direction="north" orientation="latitude" pageId="3" pageNumber="168" precision="555" value="1.22">1.22°N</geoCoordinate>
<geoCoordinate id="EE7A5042F527FFBBFCF6FB45D0821AA5" box="[831,946,1234,1258]" direction="west" orientation="longitude" pageId="3" pageNumber="168" precision="555" value="-101.49">101.49°W</geoCoordinate>
,
<quantity id="4CB69B60F527FFBBFC74FB45D7221AA5" box="[957,1042,1234,1258]" metricMagnitude="3" metricUnit="m" metricValue="1.628" pageId="3" pageNumber="168" unit="m" value="1628.0">1628 m</quantity>
depth, TVG,
<date id="FFF01045F527FFBBFB60FB45D6A31AA5" box="[1193,1427,1234,1258]" pageId="3" pageNumber="168" value="2009-11-02">2nd November 2009</date>
.
</paragraph>
</subSubSection>
<subSubSection id="C354650EF527FFBDFF0EFB61D2521A20" lastPageId="5" lastPageNumber="170" pageId="3" pageNumber="168" type="description">
<paragraph id="8BF13685F527FFBBFF0EFB61D7B41B8D" blockId="3.[151,1437,1197,2014]" pageId="3" pageNumber="168">
<emphasis id="B93AEA97F527FFBBFF0EFB61D1581B40" bold="true" box="[199,616,1270,1295]" pageId="3" pageNumber="168">
Description of the
<typeStatus id="54F58827F527FFBBFE6CFB61D13C1B41" box="[421,524,1270,1294]" pageId="3" pageNumber="168" type="holotype">holotype</typeStatus>
(male):
</emphasis>
Leg span
<quantity id="4CB69B60F527FFBBFD17FB61D0751B41" box="[734,837,1270,1294]" metricMagnitude="-2" metricUnit="m" metricValue="2.76" pageId="3" pageNumber="168" unit="mm" value="27.6">27.6 mm</quantity>
. Trunk (
<figureCitation id="13752A00F527FFBBFC6AFB61D0D61B41" box="[931,998,1270,1294]" captionStart="FIGURE 2" captionStartId="4.[151,255,1926,1950]" captionTargetBox="[270,1319,654,1899]" captionTargetId="figure@4.[258,1329,628,1903]" captionTargetPageId="4" captionText="FIGURE 2. Sericosura dentatus sp. nov., TVG 0904, male holotype: A, trunk, dorsal view; B, trunk, lateral view; C, palp; D, oviger; E, leg 1; F, tarsus, propodus, and claws of leg 1, enlarged; G, leg 3; H, propodus, and claws of leg 3, enlarged; I, cement gland tube of leg 3, enlarged. Scale bars = 1.0 mm." httpUri="https://zenodo.org/record/223096/files/figure.png" pageId="3" pageNumber="168">Fig. 2</figureCitation>
A, B) dorsal segmentation lines raised, swollen, without dorsomedian tubercles. Lateral processes separated by 0.51 times their diameters, with few distal short spines. Oviger bases massive, placed just anterior to first lateral processes. Neck with broad anterolateral expansion, elevated dorsally in lateral view. Ocular tubercle a anterior-leaning tube, blind, with bifurcate tip. Proboscis inflated, without constrictions, 0.7 times as long as trunk. Abdomen downcurved, extending to midpart of second coxae of fourth leg pair, with a pair of short dorsal spines and distal short setae.
</paragraph>
<paragraph id="8BF13685F527FFBBFF0EFA59D3D11845" blockId="3.[151,1437,1197,2014]" pageId="3" pageNumber="168">Chelifores short, scape one-articled, only about twice as long as wide, with distal spines. Chelae atrophied to knobs.</paragraph>
<paragraph id="8BF13685F527FFBBFF0EF981D1EB18D5" blockId="3.[151,1437,1197,2014]" pageId="3" pageNumber="168">
Palps (
<figureCitation id="13752A00F527FFBBFEDAF981D2661861" box="[275,342,1558,1582]" captionStart="FIGURE 2" captionStartId="4.[151,255,1926,1950]" captionTargetBox="[270,1319,654,1899]" captionTargetId="figure@4.[258,1329,628,1903]" captionTargetPageId="4" captionText="FIGURE 2. Sericosura dentatus sp. nov., TVG 0904, male holotype: A, trunk, dorsal view; B, trunk, lateral view; C, palp; D, oviger; E, leg 1; F, tarsus, propodus, and claws of leg 1, enlarged; G, leg 3; H, propodus, and claws of leg 3, enlarged; I, cement gland tube of leg 3, enlarged. Scale bars = 1.0 mm." httpUri="https://zenodo.org/record/223096/files/figure.png" pageId="3" pageNumber="168">Fig. 2</figureCitation>
C) nine-articled. First article broad, without spines or setae. Second article longest, with one long dorsal seta and shorter lateral setae. Third article compact, about as long as first article, with long dorsal setae. Fourth article slightly shorter than first article, with more long setae. Distal five articles short, of decreasing diameters and length, with dense long ventral setae.
</paragraph>
<paragraph id="8BF13685F527FFBBFF0EF931D7981949" blockId="3.[151,1437,1197,2014]" pageId="3" pageNumber="168">
Ovigers (
<figureCitation id="13752A00F527FFBBFEE6F931D24218F1" box="[303,370,1702,1726]" captionStart="FIGURE 2" captionStartId="4.[151,255,1926,1950]" captionTargetBox="[270,1319,654,1899]" captionTargetId="figure@4.[258,1329,628,1903]" captionTargetPageId="4" captionText="FIGURE 2. Sericosura dentatus sp. nov., TVG 0904, male holotype: A, trunk, dorsal view; B, trunk, lateral view; C, palp; D, oviger; E, leg 1; F, tarsus, propodus, and claws of leg 1, enlarged; G, leg 3; H, propodus, and claws of leg 3, enlarged; I, cement gland tube of leg 3, enlarged. Scale bars = 1.0 mm." httpUri="https://zenodo.org/record/223096/files/figure.png" pageId="3" pageNumber="168">Fig. 2</figureCitation>
D) first to fifth articles with short setae, fifth article with a long dorsal seta. Sixth article ovoid, with dense long dorsal setae and short ventral spines. Seventh and eighth articles with long dorsal setae. Distal four articles with small denticulate spines in formula 2: 2: 1: 2. Right oviger bearing one egg ball.
</paragraph>
<paragraph id="8BF13685F527FFBCFF0EF885D6771EB8" blockId="3.[151,1437,1197,2014]" lastBlockId="4.[151,1436,151,572]" lastPageId="4" lastPageNumber="169" pageId="3" pageNumber="168">
Third leg (
<figureCitation id="13752A00F527FFBBFE88F885D2B41965" box="[321,388,1810,1834]" captionStart="FIGURE 2" captionStartId="4.[151,255,1926,1950]" captionTargetBox="[270,1319,654,1899]" captionTargetId="figure@4.[258,1329,628,1903]" captionTargetPageId="4" captionText="FIGURE 2. Sericosura dentatus sp. nov., TVG 0904, male holotype: A, trunk, dorsal view; B, trunk, lateral view; C, palp; D, oviger; E, leg 1; F, tarsus, propodus, and claws of leg 1, enlarged; G, leg 3; H, propodus, and claws of leg 3, enlarged; I, cement gland tube of leg 3, enlarged. Scale bars = 1.0 mm." httpUri="https://zenodo.org/record/223096/files/figure.png" pageId="3" pageNumber="168">Fig. 2</figureCitation>
G to I) first coxa with ring of short distal setae. Second coxa longer than first or third coae, with two dorsal setae and cluster of few ventral distal setae. Third coxa distally swollen, densely setose. Femur with dorsal and ventral short setae, and with dense ring of longer distal setae. Cement gland (Fig.
<date id="FFF01045F527FFBBFAC6F8CDD618193D" box="[1295,1320,1882,1906]" pageId="3" pageNumber="168">4I</date>
) dorsal at centre of femur, basally wide, attenuated. First tibia distally swollen, with dorsal, lateral and ventral setae, and one dorsal seta longer than article diameter. Second tibia slender, with dense dorsal, lateral and ventral long setae, and three dorsal setae longer than article diameter, and with 56 ventrodistal spines shorter than article diameter. Tarsus small, subtriangular, with one long dorsal seta, 12 short setae and 46 longer ventral spines. Propodus without marked heel, with dense sole spines of varied length, and short dorsal setae but with three longer than article diameter, and dense cluster of long dorsodistal setae. Auxiliary claws about 0.6 times as long as main claw.
</paragraph>
<paragraph id="8BF13685F520FFBCFF0EFE92D1B61F2B" blockId="4.[151,1436,151,572]" pageId="4" pageNumber="169">
<emphasis id="B93AEA97F520FFBCFF0EFE92D1721F53" box="[199,578,260,284]" italics="true" pageId="4" pageNumber="169">
Measurements of
<typeStatus id="54F58827F520FFBCFE44FE93D2DD1F53" box="[397,493,260,284]" pageId="4" pageNumber="169" type="holotype">holotype</typeStatus>
in mm:
</emphasis>
Trunk length from chelifore insertion to tip 4th lateral processes, 3.26; trunk width across 2nd lateral processes, 2.06; proboscis length, 2.18; egg-ball diameter, 1.32; abdomen length, 1.40; chelifore length, 0.53; chelifore width, 0.22.
</paragraph>
<paragraph id="8BF13685F520FFBCFF0EFEF8D7D91FC8" blockId="4.[151,1436,151,572]" box="[199,1257,367,391]" pageId="4" pageNumber="169">Lengths of palp articles 1 to 9 respectively: 0.14; 1.06; 0.16; 0.83; 0.15; 0.14; 0.13; 0.13; 0.07.</paragraph>
<paragraph id="8BF13685F520FFBCFF0EFE03D67E1FE3" blockId="4.[151,1436,151,572]" box="[199,1358,404,428]" pageId="4" pageNumber="169">Lengths of oviger articles 1 to 10 respectively: 0.40; 0.92; 0.44; 0.94; 0.88; 0.35; 0.12; 0.10; 0.15; 0.06.</paragraph>
<paragraph id="8BF13685F520FFBCFF0EFE20D1C01FBB" blockId="4.[151,1436,151,572]" pageId="4" pageNumber="169">Third leg, coxa 1, 0.64; coxa 2, 1.13; coxa 3, 0.71; femur, 2.44; tibia 1, 2.67; tibia 2, 2.44; tarsus, 0.12; propodus, 1.05; main claw, 0.45; auxiliary claw, 0.35.</paragraph>
<paragraph id="8BF13685F520FFBCFF0EFD97D0551C73" blockId="4.[151,1436,151,572]" pageId="4" pageNumber="169">Measurements of first leg: coxa 1, 0.40; coxa 2, 1.15; coxa 3, 0.55; femur, 2.29; tibia 1, 2.52; tibia 2, 2.31; tarsus, 0.09; propodus, 1.0; min claw, 0.39; auxiliary claw, 0.27.</paragraph>
<caption id="DF31660DF520FFBCFF5EF811D0BA1992" httpUri="https://zenodo.org/record/223096/files/figure.png" pageId="4" pageNumber="169" targetBox="[270,1319,654,1899]" targetPageId="4">
<paragraph id="8BF13685F520FFBCFF5EF811D0BA1992" blockId="4.[151,1436,1926,2013]" pageId="4" pageNumber="169">
<emphasis id="B93AEA97F520FFBCFF5EF811D22B19D1" bold="true" box="[151,283,1926,1950]" pageId="4" pageNumber="169">FIGURE 2.</emphasis>
<taxonomicName id="4C4E4D06F520FFBCFEEDF810D2CB19D1" box="[292,507,1927,1950]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="4" pageNumber="169" phylum="Arthropoda" rank="species" species="dentatus" status="sp. nov.">
<emphasis id="B93AEA97F520FFBCFEEDF810D2CB19D1" box="[292,507,1927,1950]" italics="true" pageId="4" pageNumber="169">Sericosura dentatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20957ECF520FFBCFDCDF811D16C19D1" box="[516,604,1926,1950]" pageId="4" pageNumber="169" rank="species">
<emphasis id="B93AEA97F520FFBCFDCDF811D16C19D1" bold="true" box="[516,604,1926,1950]" pageId="4" pageNumber="169">sp. nov.</emphasis>
</taxonomicNameLabel>
, TVG0904, male holotype: A, trunk, dorsal view; B, trunk, lateral view; C, palp; D, oviger; E, leg 1; F, tarsus, propodus, and claws of leg 1, enlarged; G, leg 3; H, propodus, and claws of leg 3, enlarged; I, cement gland tube of leg 3, enlarged. Scale bars = 1.0 mm.
</paragraph>
</caption>
<caption id="DF31660DF521FFBDFF5EFC3CD72C1DAD" httpUri="https://zenodo.org/record/223097/files/figure.png" pageId="5" pageNumber="170" targetBox="[193,1405,204,909]" targetPageId="5">
<paragraph id="8BF13685F521FFBDFF5EFC3CD72C1DAD" blockId="5.[151,1436,939,994]" pageId="5" pageNumber="170">
<emphasis id="B93AEA97F521FFBDFF5EFC3CD2291D8C" bold="true" box="[151,281,939,963]" pageId="5" pageNumber="170">FIGURE 3.</emphasis>
<taxonomicName id="4C4E4D06F521FFBDFEE9FC3CD2C51D8D" box="[288,501,939,962]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="dentatus" status="sp. nov.">
<emphasis id="B93AEA97F521FFBDFEE9FC3CD2C51D8D" box="[288,501,939,962]" italics="true" pageId="5" pageNumber="170">Sericosura dentatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20957ECF521FFBDFE32FC3CD1601D8C" box="[507,592,939,963]" pageId="5" pageNumber="170" rank="species">
<emphasis id="B93AEA97F521FFBDFE32FC3CD1601D8C" bold="true" box="[507,592,939,963]" pageId="5" pageNumber="170">sp. nov.</emphasis>
</taxonomicNameLabel>
, TVG0903, female paratype: A, leg 3; B, tarsus, propodus, and claws of leg 3, enlarged; C, palp; D, oviger; E, oviger distal articles, enlarged. Scale bars = 1.0 mm.
</paragraph>
</caption>
<paragraph id="8BF13685F521FFBDFF0EFB87D2521A20" blockId="5.[151,1436,1039,2036]" pageId="5" pageNumber="170">
<emphasis id="B93AEA97F521FFBDFF0EFB87D2FB1A68" box="[199,459,1039,1063]" italics="true" pageId="5" pageNumber="170">Distinctions of female</emphasis>
(
<figureCitation id="13752A00F521FFBDFE28FB98D11C1A68" box="[481,556,1039,1063]" captionStart="FIGURE 3" captionStartId="5.[151,255,939,963]" captionTargetBox="[193,1405,204,909]" captionTargetId="figure@5.[175,1411,194,917]" captionTargetPageId="5" captionText="FIGURE 3. Sericosura dentatus sp. nov., TVG 0903, female paratype: A, leg 3; B, tarsus, propodus, and claws of leg 3, enlarged; C, palp; D, oviger; E, oviger distal articles, enlarged. Scale bars = 1.0 mm." httpUri="https://zenodo.org/record/223097/files/figure.png" pageId="5" pageNumber="170">Fig. 3</figureCitation>
): size slightly larger than male, cement-gland and tube absent, sexuallydimorphic ovigers: ovigers of female almost without setae, and distal four articles with denticulate spines in formula 2: 2: 1: 4.
</paragraph>
</subSubSection>
<subSubSection id="C354650EF521FFBDFF0EFBECD1C61AF8" pageId="5" pageNumber="170" type="etymology">
<paragraph id="8BF13685F521FFBDFF0EFBECD1C61AF8" blockId="5.[151,1436,1039,2036]" pageId="5" pageNumber="170">
<emphasis id="B93AEA97F521FFBDFF0EFBECD27E1ADC" bold="true" box="[199,334,1147,1171]" pageId="5" pageNumber="170">Etymology.</emphasis>
From Latin
<taxonomicName id="4C4E4D06F521FFBDFE2CFBECD1741ADC" box="[485,580,1147,1171]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="dentatus">
<emphasis id="B93AEA97F521FFBDFE2CFBECD1741ADC" box="[485,580,1147,1171]" italics="true" pageId="5" pageNumber="170">dentatus</emphasis>
</taxonomicName>
, meaning toothed, referring to the species having more finely-denticulate spines on the oviger strigilis than in any other species.
</paragraph>
</subSubSection>
<subSubSection id="C354650EF521FFBDFF0EFB54D73E19BC" pageId="5" pageNumber="170" type="discussion">
<paragraph id="8BF13685F521FFBDFF0EFB54D7361BB4" blockId="5.[151,1436,1039,2036]" pageId="5" pageNumber="170">
<emphasis id="B93AEA97F521FFBDFF0EFB54D20B1A94" bold="true" box="[199,315,1219,1243]" pageId="5" pageNumber="170">Remarks.</emphasis>
There are now five described species of
<taxonomicName id="4C4E4D06F521FFBDFCDCFB53D0BE1A94" box="[789,910,1220,1243]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="genus">
<emphasis id="B93AEA97F521FFBDFCDCFB53D0BE1A94" box="[789,910,1220,1243]" italics="true" pageId="5" pageNumber="170">Sericosura</emphasis>
</taxonomicName>
with nine-articled palps, including
<taxonomicName id="4C4E4D06F521FFBDFAEFFB53D2021AB0" authority="Child, 1987" authorityName="Child" authorityYear="1987" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="verenae">
<emphasis id="B93AEA97F521FFBDFAEFFB53D6AC1A94" box="[1318,1436,1220,1243]" italics="true" pageId="5" pageNumber="170">S. verenae</emphasis>
(Child, 1987)
</taxonomicName>
,
<taxonomicName id="4C4E4D06F521FFBDFEF6FB7FD2DA1AB0" box="[319,490,1255,1279]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="cochleifovea">
<emphasis id="B93AEA97F521FFBDFEF6FB7FD2DA1AB0" box="[319,490,1255,1279]" italics="true" pageId="5" pageNumber="170">S. cochleifovea</emphasis>
</taxonomicName>
,
<taxonomicName id="4C4E4D06F521FFBDFE33FB7FD1511AB0" box="[506,609,1255,1279]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="dissita">
<emphasis id="B93AEA97F521FFBDFE33FB7FD1511AB0" box="[506,609,1255,1279]" italics="true" pageId="5" pageNumber="170">S. dissita</emphasis>
</taxonomicName>
and
<taxonomicName id="4C4E4D06F521FFBDFD52FB7FD0921AB0" authority="Bamber, 2009" authorityName="Bamber" authorityYear="2009" box="[667,930,1255,1279]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="conta">
<emphasis id="B93AEA97F521FFBDFD52FB7FD1C71AB0" box="[667,759,1256,1279]" italics="true" pageId="5" pageNumber="170">S. conta</emphasis>
Bamber, 2009
</taxonomicName>
, as well as
<taxonomicName id="4C4E4D06F521FFBDFBE1FB7FD7951AB0" box="[1064,1189,1255,1279]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="dentatus" status="sp. nov.">
<emphasis id="B93AEA97F521FFBDFBE1FB7FD7951AB0" box="[1064,1189,1255,1279]" italics="true" pageId="5" pageNumber="170">S. dentatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20957ECF521FFBDFB64FB7FD6311AB0" box="[1197,1281,1256,1279]" pageId="5" pageNumber="170" rank="species">sp. nov</taxonomicNameLabel>
.. The distinct difference between
<taxonomicName id="4C4E4D06F521FFBDFEB3FA9BD2C81B6C" box="[378,504,1291,1315]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="dentatus">
<emphasis id="B93AEA97F521FFBDFEB3FA9BD2C81B6C" box="[378,504,1291,1315]" italics="true" pageId="5" pageNumber="170">S. dentatus</emphasis>
</taxonomicName>
and these other species is the number of denticulate spines on the distal oviger articles. In addition, the proboscis of
<taxonomicName id="4C4E4D06F521FFBDFDFDFAA7D1961B08" box="[564,678,1328,1351]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="verenae">
<emphasis id="B93AEA97F521FFBDFDFDFAA7D1961B08" box="[564,678,1328,1351]" italics="true" pageId="5" pageNumber="170">S. verenae</emphasis>
</taxonomicName>
is larger with submedian and subdistal constrictions, and the legs of the female have denser setae. Bamber (2009) has already discussed differences between
<taxonomicName id="4C4E4D06F521FFBDFB55FAC3D7C91B24" box="[1180,1273,1364,1387]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="conta">
<emphasis id="B93AEA97F521FFBDFB55FAC3D7C91B24" box="[1180,1273,1364,1387]" italics="true" pageId="5" pageNumber="170">S. conta</emphasis>
</taxonomicName>
and the other three nine-articled species of
<taxonomicName id="4C4E4D06F521FFBDFE2AFAEFD16C1BC0" box="[483,604,1400,1423]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="genus">
<emphasis id="B93AEA97F521FFBDFE2AFAEFD16C1BC0" box="[483,604,1400,1423]" italics="true" pageId="5" pageNumber="170">Sericosura</emphasis>
</taxonomicName>
, and those differences also apply to
<taxonomicName id="4C4E4D06F521FFBDFC31FAEFD7431BC0" box="[1016,1139,1399,1423]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="dentatus">
<emphasis id="B93AEA97F521FFBDFC31FAEFD7431BC0" box="[1016,1139,1399,1423]" italics="true" pageId="5" pageNumber="170">S. dentatus</emphasis>
</taxonomicName>
, including more- compact lateral processes, longer auxiliary claws and stouter chelifore scapes.
<taxonomicName id="4C4E4D06F521FFBDFC6AFA0BD72E1BFC" box="[931,1054,1435,1459]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="dentatus">
<emphasis id="B93AEA97F521FFBDFC6AFA0BD72E1BFC" box="[931,1054,1435,1459]" italics="true" pageId="5" pageNumber="170">S. dentatus</emphasis>
</taxonomicName>
is very similar to
<taxonomicName id="4C4E4D06F521FFBDFB22FA0BD6601BFC" box="[1259,1360,1435,1459]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="dissita">
<emphasis id="B93AEA97F521FFBDFB22FA0BD6601BFC" box="[1259,1360,1435,1459]" italics="true" pageId="5" pageNumber="170">S. dissita</emphasis>
</taxonomicName>
and
<taxonomicName id="4C4E4D06F521FFBDFA4EFA0BD2141B98" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="cochleifovea">
<emphasis id="B93AEA97F521FFBDFA4EFA0BD2141B98" italics="true" pageId="5" pageNumber="170">S. cochleifovea</emphasis>
</taxonomicName>
ignoring the differences in leg spans. Nevertheless, the location of the femoral cement-gland tube in the males is the significant difference between
<taxonomicName id="4C4E4D06F521FFBDFD6DFA73D0101BB4" box="[676,800,1507,1531]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="dentatus">
<emphasis id="B93AEA97F521FFBDFD6DFA73D0101BB4" box="[676,800,1507,1531]" italics="true" pageId="5" pageNumber="170">S. dentatus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C4E4D06F521FFBDFC9FFA73D0CF1BB4" box="[854,1023,1507,1531]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="cochleifovea">
<emphasis id="B93AEA97F521FFBDFC9FFA73D0CF1BB4" box="[854,1023,1507,1531]" italics="true" pageId="5" pageNumber="170">S. cochleifovea</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="8BF13685F521FFBDFF0EF99FD19B1954" blockId="5.[151,1436,1039,2036]" pageId="5" pageNumber="170">
From Bamber (2009) this species would key out to
<taxonomicName id="4C4E4D06F521FFBDFCEEF99FD0C31850" box="[807,1011,1543,1567]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="dissita">
<emphasis id="B93AEA97F521FFBDFCEEF99FD0C31850" box="[807,1011,1543,1567]" italics="true" pageId="5" pageNumber="170">Sericosura dissita</emphasis>
</taxonomicName>
(of which only the male is known), particularly as the mid-dorsal location of the femoral cement-gland tube in the males of
<taxonomicName id="4C4E4D06F521FFBDFB4CF9BBD630180C" box="[1157,1280,1579,1603]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="dentatus">
<emphasis id="B93AEA97F521FFBDFB4CF9BBD630180C" box="[1157,1280,1579,1603]" italics="true" pageId="5" pageNumber="170">S. dentatus</emphasis>
</taxonomicName>
is peculiar in the genus, but similar to that found in
<taxonomicName id="4C4E4D06F521FFBDFD83F9C7D1801828" box="[586,688,1615,1639]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="dissita">
<emphasis id="B93AEA97F521FFBDFD83F9C7D1801828" box="[586,688,1615,1639]" italics="true" pageId="5" pageNumber="170">S. dissita</emphasis>
</taxonomicName>
. A mid-dorsal cement-gland tube is not typical of
<taxonomicName id="4C4E4D06F521FFBDFB39F9C7D6591828" box="[1264,1385,1616,1639]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="genus">
<emphasis id="B93AEA97F521FFBDFB39F9C7D6591828" box="[1264,1385,1616,1639]" italics="true" pageId="5" pageNumber="170">Sericosura</emphasis>
</taxonomicName>
, but the present species increases further the variability of this feature.
<taxonomicName id="4C4E4D06F521FFBDFC5FF9E3D72118C4" box="[918,1041,1651,1675]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="dentatus">
<emphasis id="B93AEA97F521FFBDFC5FF9E3D72118C4" box="[918,1041,1651,1675]" italics="true" pageId="5" pageNumber="170">S. dentatus</emphasis>
</taxonomicName>
is distinguished from
<taxonomicName id="4C4E4D06F521FFBDFADCF9E3D64D18C4" box="[1301,1405,1651,1675]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="dissita">
<emphasis id="B93AEA97F521FFBDFADCF9E3D64D18C4" box="[1301,1405,1651,1675]" italics="true" pageId="5" pageNumber="170">S. dissita</emphasis>
</taxonomicName>
in having denser spination of all leg and oviger articles, no suggestion of secondary articulation of the fourth palp article and a more compact chelifore scape, as well as having denticulate spines on the seventh oviger article (naked in
<taxonomicName id="4C4E4D06F521FFBDFEC5F977D24118B8" box="[268,369,1759,1783]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="dissita">
<emphasis id="B93AEA97F521FFBDFEC5F977D24118B8" box="[268,369,1759,1783]" italics="true" pageId="5" pageNumber="170">S. dissita</emphasis>
</taxonomicName>
).
<taxonomicName id="4C4E4D06F521FFBDFE42F977D16618B8" box="[395,598,1759,1783]" class="Pycnogonida" family="Ammotheidae" genus="Sericosura" higherTaxonomySource="CoL" kingdom="Animalia" order="Pantopoda" pageId="5" pageNumber="170" phylum="Arthropoda" rank="species" species="dissita">
<emphasis id="B93AEA97F521FFBDFE42F977D16618B8" box="[395,598,1759,1783]" italics="true" pageId="5" pageNumber="170">Sericosura dissita</emphasis>
</taxonomicName>
is known only from the
<typeStatus id="54F58827F521FFBDFCB0F977D09918B7" box="[889,937,1760,1784]" pageId="5" pageNumber="170">type</typeStatus>
collection, from much further north on the Endeavour Segment of the Juan de Fuca Ridge.
</paragraph>
<paragraph id="8BF13685F521FFBDFF0EF8B0D7FE192C" blockId="5.[151,1436,1039,2036]" pageId="5" pageNumber="170">
There are some differences between the descriptions and the figures of the male (
<figureCitation id="13752A00F521FFBDFBBFF8B0D78C1970" box="[1142,1212,1831,1855]" captionStart="FIGURE 2" captionStartId="4.[151,255,1926,1950]" captionTargetBox="[270,1319,654,1899]" captionTargetId="figure@4.[258,1329,628,1903]" captionTargetPageId="4" captionText="FIGURE 2. Sericosura dentatus sp. nov., TVG 0904, male holotype: A, trunk, dorsal view; B, trunk, lateral view; C, palp; D, oviger; E, leg 1; F, tarsus, propodus, and claws of leg 1, enlarged; G, leg 3; H, propodus, and claws of leg 3, enlarged; I, cement gland tube of leg 3, enlarged. Scale bars = 1.0 mm." httpUri="https://zenodo.org/record/223096/files/figure.png" pageId="5" pageNumber="170">Fig. 2</figureCitation>
) with regard to the cement gland on the right first leg and one auxiliary claw, as a result of damage to the specimen.
</paragraph>
<paragraph id="8BF13685F521FFBDFF0EF8F8D0551980" blockId="5.[151,1436,1039,2036]" pageId="5" pageNumber="170">
The body-surface of the specimens is lightly covered with a yellow substance (possibly sulfides), and some white flocculent material is present between the appendages and the trunk (
<figureCitation id="13752A00F521FFBDFC39F804D70519E4" box="[1008,1077,1939,1963]" captionStart="FIGURE 2" captionStartId="4.[151,255,1926,1950]" captionTargetBox="[270,1319,654,1899]" captionTargetId="figure@4.[258,1329,628,1903]" captionTargetPageId="4" captionText="FIGURE 2. Sericosura dentatus sp. nov., TVG 0904, male holotype: A, trunk, dorsal view; B, trunk, lateral view; C, palp; D, oviger; E, leg 1; F, tarsus, propodus, and claws of leg 1, enlarged; G, leg 3; H, propodus, and claws of leg 3, enlarged; I, cement gland tube of leg 3, enlarged. Scale bars = 1.0 mm." httpUri="https://zenodo.org/record/223096/files/figure.png" pageId="5" pageNumber="170">Fig. 2</figureCitation>
A), also between the main claw and the auxiliary claws (
<figureCitation id="13752A00F521FFBDFE60F820D2DB1980" box="[425,491,1975,1999]" captionStart="FIGURE 3" captionStartId="5.[151,255,939,963]" captionTargetBox="[193,1405,204,909]" captionTargetId="figure@5.[175,1411,194,917]" captionTargetPageId="5" captionText="FIGURE 3. Sericosura dentatus sp. nov., TVG 0903, female paratype: A, leg 3; B, tarsus, propodus, and claws of leg 3, enlarged; C, palp; D, oviger; E, oviger distal articles, enlarged. Scale bars = 1.0 mm." httpUri="https://zenodo.org/record/223097/files/figure.png" pageId="5" pageNumber="170">Fig. 3</figureCitation>
B), possibly filamentous bacteria.
</paragraph>
<paragraph id="8BF13685F521FFBDFF0EF84CD73E19BC" blockId="5.[151,1436,1039,2036]" box="[199,1038,2011,2036]" pageId="5" pageNumber="170">The sample site was very close to a hydrothermal vent with smoke issuing.</paragraph>
</subSubSection>
</treatment>
</document>