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<document id="CB5D3E4FDA05BDA03B9E7B0427FE4A81" ID-CLB-Dataset="28347" ID-DOI="10.11646/zootaxa.4567.3.1" ID-GBIF-Dataset="47813581-d217-4a19-8848-a3e9cf2ddaf4" ID-ISSN="1175-5326" ID-Zenodo-Dep="2598945" ID-ZooBank="0AEFAF80-B001-4A18-88AC-5B6A189F6DCD" IM.bibliography_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1553062614686" checkinUser="plazi" docAuthor="Staples, David A." docDate="2019" docId="03895C33291E4F08FF01FF2AFE34FA14" docLanguage="en" docName="zootaxa.4567.3.1.pdf" docOrigin="Zootaxa 4567 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Tanystylum tiara Staples 2019, sp. nov." docType="treatment" docVersion="8" lastPageNumber="416" masterDocId="FFB0244B29114F07FF96FFB2FF80FFFD" masterDocTitle="Pycnogonids (Arthropoda, Pycnogonida) from the Southwest Indian Ridge" masterLastPageNumber="449" masterPageNumber="401" pageNumber="416" updateTime="1698701998649" updateUser="ExternalLinkService">
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<mods:title id="2E4598AB428AF91262EA10B1BA4EE0B7">Pycnogonids (Arthropoda, Pycnogonida) from the Southwest Indian Ridge</mods:title>
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<mods:namePart id="A0349D93B9F865719D749CAD16910CF9">Staples, David A.</mods:namePart>
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<treatment id="03895C33291E4F08FF01FF2AFE34FA14" ID-DOI="http://doi.org/10.5281/zenodo.5944886" ID-GBIF-Taxon="154435124" ID-Zenodo-Dep="5944886" LSID="urn:lsid:plazi:treatment:03895C33291E4F08FF01FF2AFE34FA14" httpUri="http://treatment.plazi.org/id/03895C33291E4F08FF01FF2AFE34FA14" lastPageNumber="416" pageId="15" pageNumber="416">
<subSubSection id="C33ABEAE291E4F08FF01FF2AFE47FF4F" box="[151,455,152,178]" pageId="15" pageNumber="416" type="nomenclature">
<paragraph id="8B9FED25291E4F08FF01FF2AFE47FF4F" blockId="15.[151,455,152,211]" box="[151,455,152,178]" pageId="15" pageNumber="416">
<heading id="D0D75A49291E4F08FF01FF2AFE47FF4F" bold="true" box="[151,455,152,178]" fontSize="11" level="1" pageId="15" pageNumber="416" reason="1">
<emphasis id="B9543137291E4F08FF01FF2AFE47FF4F" bold="true" box="[151,455,152,178]" pageId="15" pageNumber="416">
<taxonomicName id="4C2096A6291E4F08FF01FF2AFEE2FF4F" ID-CoL="4105591c-0936-42da-a828-4f2093cdd9c9" authority="Staples, 2019" authorityName="Staples" authorityYear="2019" box="[151,354,152,178]" class="Pycnogonida" family="Ammotheidae" genus="Tanystylum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pantopoda" pageId="15" pageNumber="416" phylum="Arthropoda" rank="species" species="tiara" status="sp. nov.">
<emphasis id="B9543137291E4F08FF01FF2AFEE2FF4F" bold="true" box="[151,354,152,178]" italics="true" pageId="15" pageNumber="416">Tanystylum tiara</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2678C4C291E4F08FEFFFF2AFE47FF4F" box="[361,455,152,178]" pageId="15" pageNumber="416" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C33ABEAE291E4F08FF01FF08FE31FF2E" box="[151,433,186,211]" pageId="15" pageNumber="416" type="description">
<paragraph id="8B9FED25291E4F08FF01FF08FE31FF2E" blockId="15.[151,455,152,211]" box="[151,433,186,211]" pageId="15" pageNumber="416">
<figureCitation id="131BF1A0291E4F08FF01FF08FF73FF2E" box="[151,243,186,211]" captionStart="FIGURE 8" captionStartId="16.[151,250,1893,1915]" captionTargetBox="[204,1348,231,1821]" captionTargetId="figure@16.[151,1436,193,1872]" captionTargetPageId="16" captionText="FIGURE 8. Tanystylum tiara sp. nov., holotype, female. A, trunk, dorsal view; B, trunk, lateral view; C, cephalon, anterior view; D, trunk, ventral view; E, third leg; F, tarsus and propodus, third leg; G, right palp; H, dorsodistal tubercles on third lateral process (distal view); I, right oviger." httpUri="https://zenodo.org/record/2598961/files/figure.png" pageId="15" pageNumber="416">Figure 8</figureCitation>
AI;
<figureCitation id="131BF1A0291E4F08FEB9FF08FEFAFF2E" box="[303,378,186,211]" captionStart="PLATE 3" captionStartId="42.[151,234,1740,1762]" captionTargetBox="[151,1436,193,1718]" captionTargetId="figure@42.[151,1436,193,1718]" captionTargetPageId="42" captionText="PLATE 3. Tanystylum tiara sp. nov., holotype male. A, trunk lateral; B, trunk, dorsal; C, trunk anterior view. Sericosura species indeterminate. D, trunk dorsal; E, trunk, lateral. Austrodecus bamberi. F, trunk dorsal; G, trunk, lateral. Austrodecus taylorae sp. nov., holotype, male. H, trunk dorsal." httpUri="https://zenodo.org/record/2598991/files/figure.png" pageId="15" pageNumber="416">Plate 3</figureCitation>
AC
</paragraph>
</subSubSection>
<subSubSection id="C33ABEAE291E4F08FF01FEB0FD58FE9E" pageId="15" pageNumber="416" type="materials_examined">
<paragraph id="8B9FED25291E4F08FF01FEB0FD58FE9E" blockId="15.[151,1437,258,1513]" pageId="15" pageNumber="416">
<emphasis id="B9543137291E4F08FF01FEB0FE08FEE6" bold="true" box="[151,392,258,283]" pageId="15" pageNumber="416">Material examined.</emphasis>
<materialsCitation id="3B48E778291E4F08FE01FEB0FD58FE9E" ID-GBIF-Occurrence="2013824368" collectingDate="2011-11-16" collectionCode="NHMUK" elevation="745" longitude="42.91" pageId="15" pageNumber="416" specimenCode="NHMUK 2018.18" specimenCount="1" typeStatus="holotype">
<typeStatus id="549B5387291E4F08FE01FEB0FD83FEE6" box="[407,515,258,283]" pageId="15" pageNumber="416" type="holotype">Holotype</typeStatus>
, female (
<specimenCode id="DB86455E291E4F08FDE1FEB1FCD2FEE6" box="[631,850,259,283]" collectionCode="NHMUK" country="United Kingdom" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34665" lsid="urn:lsid:biocol.org:col:34665" name="Natural History Museum, London" pageId="15" pageNumber="416" type="Museum">NHMUK 2018.18</specimenCode>
), Southwest Indian Ocean, Coral Seamount, 41˚ 22.37'S,
<geoCoordinate id="EE148BE2291E4F08FF6EFE95FEFEFEC2" box="[248,382,294,319]" direction="east" orientation="longitude" pageId="15" pageNumber="416" precision="9" value="42.91">42° 54.60'E</geoCoordinate>
, ROV,
<quantity id="4CD840C0291E4F08FE58FE94FD97FEC3" box="[462,535,294,319]" metricMagnitude="2" metricUnit="m" metricValue="7.45" pageId="15" pageNumber="416" unit="m" value="745.0">
<elevation id="000D0A16291E4F08FE58FE94FD97FEC3" box="[462,535,294,319]" metricMagnitude="2" metricUnit="m" metricValue="7.45" pageId="15" pageNumber="416" unit="m" value="745.0">745 m</elevation>
</quantity>
, specimen JC066-1068, stn 4.12, parent 736,
<date id="FF9ECBE5291E4F08FB82FE94FB6EFEC2" box="[1044,1262,294,319]" pageId="15" pageNumber="416" value="2011-11-16">
<collectingDate id="EFDA320D291E4F08FB82FE94FB6EFEC2" box="[1044,1262,294,319]" pageId="15" pageNumber="416" value="2011-11-16">16 November 2011</collectingDate>
</date>
. Right palp and right oviger are mounted in Euparal on glass slides.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="C33ABEAE291E4F08FF51FEDCFC4DFAED" pageId="15" pageNumber="416" type="description">
<paragraph id="8B9FED25291E4F08FF51FEDCFE95FDC6" blockId="15.[151,1437,258,1513]" pageId="15" pageNumber="416">
<emphasis id="B9543137291E4F08FF51FEDCFED9FE7A" bold="true" box="[199,345,366,391]" pageId="15" pageNumber="416">Description.</emphasis>
Female
<typeStatus id="549B5387291E4F08FE21FEDCFD9DFE7A" box="[439,541,366,391]" pageId="15" pageNumber="416" type="holotype">holotype</typeStatus>
. Trunk (
<figureCitation id="131BF1A0291E4F08FDEFFEDCFD72FE7B" box="[633,754,366,391]" captionStart="FIGURE 8" captionStartId="16.[151,250,1893,1915]" captionTargetBox="[204,1348,231,1821]" captionTargetId="figure@16.[151,1436,193,1872]" captionTargetPageId="16" captionText="FIGURE 8. Tanystylum tiara sp. nov., holotype, female. A, trunk, dorsal view; B, trunk, lateral view; C, cephalon, anterior view; D, trunk, ventral view; E, third leg; F, tarsus and propodus, third leg; G, right palp; H, dorsodistal tubercles on third lateral process (distal view); I, right oviger." httpUri="https://zenodo.org/record/2598961/files/figure.png" pageId="15" pageNumber="416">Fig. 8A, B</figureCitation>
.
<figureCitation id="131BF1A0291E4F08FD6AFEDCFCFDFE7A" box="[764,893,366,391]" captionStart="PLATE 3" captionStartId="42.[151,234,1740,1762]" captionTargetBox="[151,1436,193,1718]" captionTargetId="figure@42.[151,1436,193,1718]" captionTargetPageId="42" captionText="PLATE 3. Tanystylum tiara sp. nov., holotype male. A, trunk lateral; B, trunk, dorsal; C, trunk anterior view. Sericosura species indeterminate. D, trunk dorsal; E, trunk, lateral. Austrodecus bamberi. F, trunk dorsal; G, trunk, lateral. Austrodecus taylorae sp. nov., holotype, male. H, trunk dorsal." httpUri="https://zenodo.org/record/2598991/files/figure.png" pageId="15" pageNumber="416">Plate 3A, B</figureCitation>
) discoid, unsegmented, cephalon with thickened anterior rim, prominent dorsolateral processes each coalesced into single flange divided into three spine-tipped peaks, each peak decreasing in size from inner to outer margin (
<figureCitation id="131BF1A0291E4F08FCF6FE04FC38FE32" box="[864,952,438,463]" captionStart="FIGURE 8" captionStartId="16.[151,250,1893,1915]" captionTargetBox="[204,1348,231,1821]" captionTargetId="figure@16.[151,1436,193,1872]" captionTargetPageId="16" captionText="FIGURE 8. Tanystylum tiara sp. nov., holotype, female. A, trunk, dorsal view; B, trunk, lateral view; C, cephalon, anterior view; D, trunk, ventral view; E, third leg; F, tarsus and propodus, third leg; G, right palp; H, dorsodistal tubercles on third lateral process (distal view); I, right oviger." httpUri="https://zenodo.org/record/2598961/files/figure.png" pageId="15" pageNumber="416">Fig. 8C</figureCitation>
.
<figureCitation id="131BF1A0291E4F08FC55FE04FBA5FE32" box="[963,1061,438,463]" captionStart="PLATE 3" captionStartId="42.[151,234,1740,1762]" captionTargetBox="[151,1436,193,1718]" captionTargetId="figure@42.[151,1436,193,1718]" captionTargetPageId="42" captionText="PLATE 3. Tanystylum tiara sp. nov., holotype male. A, trunk lateral; B, trunk, dorsal; C, trunk anterior view. Sericosura species indeterminate. D, trunk dorsal; E, trunk, lateral. Austrodecus bamberi. F, trunk dorsal; G, trunk, lateral. Austrodecus taylorae sp. nov., holotype, male. H, trunk dorsal." httpUri="https://zenodo.org/record/2598991/files/figure.png" pageId="15" pageNumber="416">Plate 3C</figureCitation>
); lateral processes touching, each with a distal anterior and posterior tubercle. Ocular tubercle taller than wide, apical one-third conical, circumscribed with an apparent suture line, lateral papillae about level with top of eyes; four eyes, large, pigmented.
</paragraph>
<paragraph id="8B9FED25291E4F08FF51FDF4FF6AFD7E" blockId="15.[151,1437,258,1513]" pageId="15" pageNumber="416">Proboscis cylindrical, longer than trunk, stained black distally, truncate, oral surface recessed, rim irregular, bubbly.</paragraph>
<paragraph id="8B9FED25291E4F08FF51FD3CFD85FD36" blockId="15.[151,1437,258,1513]" pageId="15" pageNumber="416">Abdomen with low dorsal bulge at base, unarticulated, enlarged at about two thirds length, tapering distally to pointed tip, several distal spines.</paragraph>
<paragraph id="8B9FED25291E4F08FF51FD64FB1FFCEE" blockId="15.[151,1437,258,1513]" pageId="15" pageNumber="416">Chelifore scapes separated at bases, each one-segmented, directed upwards, tapering from base towards tip, one very long terminal spine about half length of scape and two lesser spines, chelae absent.</paragraph>
<paragraph id="8B9FED25291E4F08FF51FCACFE1DFCA7" blockId="15.[151,1437,258,1513]" pageId="15" pageNumber="416">
Palp (
<figureCitation id="131BF1A0291E4F08FE9FFCACFEE0FCCA" box="[265,352,798,823]" captionStart="FIGURE 8" captionStartId="16.[151,250,1893,1915]" captionTargetBox="[204,1348,231,1821]" captionTargetId="figure@16.[151,1436,193,1872]" captionTargetPageId="16" captionText="FIGURE 8. Tanystylum tiara sp. nov., holotype, female. A, trunk, dorsal view; B, trunk, lateral view; C, cephalon, anterior view; D, trunk, ventral view; E, third leg; F, tarsus and propodus, third leg; G, right palp; H, dorsodistal tubercles on third lateral process (distal view); I, right oviger." httpUri="https://zenodo.org/record/2598961/files/figure.png" pageId="15" pageNumber="416">Fig. 8G</figureCitation>
) seven-segmented, segment 4 longest, almost 30% longer than segment 2, distal three segments with long ventral setae.
</paragraph>
<paragraph id="8B9FED25291E4F08FF51FCD4FB7EFC82" blockId="15.[151,1437,258,1513]" box="[199,1278,870,895]" pageId="15" pageNumber="416">
Oviger (
<figureCitation id="131BF1A0291E4F08FEB2FCD4FEF0FC82" box="[292,368,870,895]" captionStart="FIGURE 8" captionStartId="16.[151,250,1893,1915]" captionTargetBox="[204,1348,231,1821]" captionTargetId="figure@16.[151,1436,193,1872]" captionTargetPageId="16" captionText="FIGURE 8. Tanystylum tiara sp. nov., holotype, female. A, trunk, dorsal view; B, trunk, lateral view; C, cephalon, anterior view; D, trunk, ventral view; E, third leg; F, tarsus and propodus, third leg; G, right palp; H, dorsodistal tubercles on third lateral process (distal view); I, right oviger." httpUri="https://zenodo.org/record/2598961/files/figure.png" pageId="15" pageNumber="416">
Fig.
<date id="FF9ECBE5291E4F08FECEFCD5FEF0FC82" box="[344,368,871,895]" pageId="15" pageNumber="416">8I</date>
</figureCitation>
) nine-segmented, segment 4 longest, segment 9 with two simple terminal spines.
</paragraph>
<paragraph id="8B9FED25291E4F08FF51FC38FCBAFBF2" blockId="15.[151,1437,258,1513]" pageId="15" pageNumber="416">
Third leg; (
<figureCitation id="131BF1A0291E4F08FED3FC38FE19FC5E" box="[325,409,906,931]" captionStart="FIGURE 8" captionStartId="16.[151,250,1893,1915]" captionTargetBox="[204,1348,231,1821]" captionTargetId="figure@16.[151,1436,193,1872]" captionTargetPageId="16" captionText="FIGURE 8. Tanystylum tiara sp. nov., holotype, female. A, trunk, dorsal view; B, trunk, lateral view; C, cephalon, anterior view; D, trunk, ventral view; E, third leg; F, tarsus and propodus, third leg; G, right palp; H, dorsodistal tubercles on third lateral process (distal view); I, right oviger." httpUri="https://zenodo.org/record/2598961/files/figure.png" pageId="15" pageNumber="416">Fig. 8E</figureCitation>
) femur with dorsodistal fringe of setae on low swelling, first tibia with two proximal spinetipped dorsal swellings; propodus gently curved, proximal half with four robust spines, tips blunt, rounded, distal half with field of much shorter, sharp spines; auxiliary claws slightly longer than half length terminal claw, flared outward from bases. Gonopore ventrodistal, coxa 2, all legs.
</paragraph>
<paragraph id="8B9FED25291E4F08FF51FBACFE43FB58" blockId="15.[151,1437,258,1513]" pageId="15" pageNumber="416">
Measurements of
<typeStatus id="549B5387291E4F08FE18FBAFFE70FBCB" box="[398,496,1053,1078]" pageId="15" pageNumber="416" type="holotype">holotype</typeStatus>
(mm). Trunk length (frontal margin of cephalic segment to tip of 4
<superScript id="7C55406D291E4F08FB4FFBABFB65FBDA" attach="left" box="[1241,1253,1049,1063]" fontSize="6" pageId="15" pageNumber="416">th</superScript>
lateral process), 1.520; width across 2
<superScript id="7C55406D291E4F08FE02FBF2FE24FBB3" attach="left" box="[404,420,1088,1102]" fontSize="6" pageId="15" pageNumber="416">nd</superScript>
lateral processes, 1.120; proboscis length (lateral), 1.840; greatest diameter proboscis, 0.736; abdomen length (lateral), 1.024. Palp: seg. 1, 0.160; seg. 2, 0.272; seg. 3, 0.144; seg. 4, 0.664; seg. 5, 0.160; seg. 6, 0248; seg. 7, 0.224.
</paragraph>
<paragraph id="8B9FED25291E4F08FF51FB02FC4DFAED" blockId="15.[151,1437,258,1513]" pageId="15" pageNumber="416">Oviger: seg. 1, 0.120; seg. 2, 0.184; seg. 3, 0.184; seg. 4, 0.328; seg. 5, 0.280; seg. 6, 0.112; seg. 7, 0.104; seg. 8, 0.48; seg. 9, 0.80. Third leg: coxa 1, 0.400; coxa 2, 0.440; coxa 3, 0.280; femur, 0.520; tibia 1, 1.680; tibia 2, 2.528; tarsus, 0.120; propodus, 0.800; claw, 0.352; auxiliary claws 0.232.</paragraph>
</subSubSection>
<subSubSection id="C33ABEAE291E4F08FF51FAAEFCF3FAA4" pageId="15" pageNumber="416" type="etymology">
<paragraph id="8B9FED25291E4F08FF51FAAEFCF3FAA4" blockId="15.[151,1437,258,1513]" pageId="15" pageNumber="416">
<emphasis id="B9543137291E4F08FF51FAAEFECEFAC8" bold="true" box="[199,334,1308,1333]" pageId="15" pageNumber="416">Etymology.</emphasis>
Tiara (Tiaraornamental headband worn on front of head). Alluding to the ornate tiara-like flanges on the anterolateral margin of the cephalon; a noun in apposition.
</paragraph>
</subSubSection>
<subSubSection id="C33ABEAE291E4F08FF51FAD6FE34FA14" pageId="15" pageNumber="416" type="discussion">
<paragraph id="8B9FED25291E4F08FF51FAD6FE34FA14" blockId="15.[151,1437,258,1513]" pageId="15" pageNumber="416">
<emphasis id="B9543137291E4F08FF51FAD6FEBBFA80" bold="true" box="[199,315,1380,1405]" pageId="15" pageNumber="416">Remarks.</emphasis>
When viewed under high power the
<emphasis id="B9543137291E4F08FD40FAD6FD62FA80" bold="true" box="[726,738,1380,1405]" pageId="15" pageNumber="416">e</emphasis>
ntire surface is seen to be covered in bifurcate setae. Tubercles on lateral process are mostly irregular in shape with minute spines on lateral margins (
<figureCitation id="131BF1A0291E4F08FB03FA3AFB73FA5D" box="[1173,1267,1416,1441]" captionStart="FIGURE 8" captionStartId="16.[151,250,1893,1915]" captionTargetBox="[204,1348,231,1821]" captionTargetId="figure@16.[151,1436,193,1872]" captionTargetPageId="16" captionText="FIGURE 8. Tanystylum tiara sp. nov., holotype, female. A, trunk, dorsal view; B, trunk, lateral view; C, cephalon, anterior view; D, trunk, ventral view; E, third leg; F, tarsus and propodus, third leg; G, right palp; H, dorsodistal tubercles on third lateral process (distal view); I, right oviger." httpUri="https://zenodo.org/record/2598961/files/figure.png" pageId="15" pageNumber="416">Fig. 8H</figureCitation>
). Whilst some
<taxonomicName id="4C2096A6291E4F08FF01FA1EFE95FA38" authorityName="Miers" authorityYear="1877" box="[151,277,1452,1477]" class="Pycnogonida" family="Ammotheidae" genus="Tanystylum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pantopoda" pageId="15" pageNumber="416" phylum="Arthropoda" rank="genus">
<emphasis id="B9543137291E4F08FF01FA1EFE95FA38" box="[151,277,1452,1477]" italics="true" pageId="15" pageNumber="416">Tanystylum</emphasis>
</taxonomicName>
have a thickened anterior rim on the cephalon, this species is unique in possessing a tiara-like flange on the anterolateral margins.
</paragraph>
</subSubSection>
</treatment>
</document>