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<document id="B7A5BC3E89805BD6BDB7E6CAE83BEE0B" ID-DOI="10.24199/j.mmv.2007.64.9" ID-ISSN="1447-2554" ID-Zenodo-Dep="12211044" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1718992464476" checkinUser="felipe" docAuthor="Staples, David A." docDate="2007" docId="03AE87C8FFC5FFB50BC33BB8FA31F8F8" docLanguage="en" docName="MemMusVictoria.64.95-101.pdf" docOrigin="Memoirs of Museum Victoria 64" docSource="https://museumsvictoria.com.au/collections-research/journals/memoirs-of-museum-victoria/volume-64-2007/pages-95-101/" docStyle="DocumentStyle:5B3B5C052A93BFEEE334AD6097A94E45.2:MemMusVictoria.2003-.journal_article.type1" docStyleId="5B3B5C052A93BFEEE334AD6097A94E45" docStyleName="MemMusVictoria.2003-.journal_article.type1" docStyleVersion="2" docTitle="Pseudopallene chevron Staples, 2007, sp. nov." docType="treatment" docVersion="2" lastPageNumber="99" masterDocId="FF97FFB0FFC1FFB10B493E1DFFBAFF92" masterDocTitle="Pycnogonids (Arthropoda: Pycnogonida) from the Great Australian Bight, southern Australia, with description of two new species." masterLastPageNumber="101" masterPageNumber="95" pageNumber="99" updateTime="1719004287186" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="4F7A1207D9DDB5712202D9079FC7CD33">Pycnogonids (Arthropoda: Pycnogonida) from the Great Australian Bight, southern Australia, with description of two new species.</mods:title>
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<mods:namePart id="E634788F9458342E63EAE56989416C39">Staples, David A.</mods:namePart>
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<mods:title id="265085F91CED18E0E192B0AAAC54797D">Memoirs of Museum Victoria</mods:title>
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<mods:date id="565310CB061CFD5862AFF24E4C850CF8">2007</mods:date>
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<mods:number id="5F708CED3DF56630CA9D1D0A50FED9BB">2007-12-31</mods:number>
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<mods:number id="24A5A8A64C68EE56499B2A56450D74E5">64</mods:number>
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<mods:url id="21C7FE88662C6452DC742C7ED8AB8959">https://museumsvictoria.com.au/collections-research/journals/memoirs-of-museum-victoria/volume-64-2007/pages-95-101/</mods:url>
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<mods:identifier id="17FC78D9B27178B446E5BAD2946BA769" type="DOI">10.24199/j.mmv.2007.64.9</mods:identifier>
<mods:identifier id="9A84C0ACD83125B7E395EB09A53FC5CA" type="ISSN">1447-2554</mods:identifier>
<mods:identifier id="EB3483101BC3A411B118739F16584FEA" type="Zenodo-Dep">12211044</mods:identifier>
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<treatment id="03AE87C8FFC5FFB50BC33BB8FA31F8F8" LSID="urn:lsid:plazi:treatment:03AE87C8FFC5FFB50BC33BB8FA31F8F8" httpUri="http://treatment.plazi.org/id/03AE87C8FFC5FFB50BC33BB8FA31F8F8" lastPageNumber="99" pageId="4" pageNumber="99">
<subSubSection id="C31D6555FFC5FFB50BC33BB8FE6BFA29" box="[138,465,1445,1467]" pageId="4" pageNumber="99" type="nomenclature">
<paragraph id="8BB836DEFFC5FFB50BC33BB8FE6BFA29" blockId="4.[138,465,1445,1467]" box="[138,465,1445,1467]" pageId="4" pageNumber="99">
<heading id="D0F081B2FFC5FFB50BC33BB8FE6BFA29" box="[138,465,1445,1467]" fontSize="9" level="2" pageId="4" pageNumber="99" reason="5">
<taxonomicName id="4C074D5DFFC5FFB50BC33BB8FEC7FA29" ID-CoL="4P5NZ" authorityName="Staples" authorityYear="2007" box="[138,381,1445,1467]" class="Pycnogonida" family="Callipallenidae" genus="Pseudopallene" kingdom="Animalia" order="Pantopoda" pageId="4" pageNumber="99" phylum="Arthropoda" rank="species" species="chevron" status="sp. nov.">
<emphasis id="B973EACCFFC5FFB50BC33BB8FEC7FA29" bold="true" box="[138,381,1445,1467]" italics="true" pageId="4" pageNumber="99">Pseudopallene chevron</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24057B7FFC5FFB50ACD3BBBFE6BFA29" box="[388,465,1446,1467]" pageId="4" pageNumber="99" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C31D6555FFC5FFB50BC33BCFFA31F8F8" pageId="4" pageNumber="99" type="description">
<paragraph id="8BB836DEFFC5FFB50BC33BCFFEB2FA75" blockId="4.[138,264,1490,1512]" box="[138,264,1490,1512]" pageId="4" pageNumber="99">
<figureCitation id="133C2A5BFFC5FFB50BC33BCFFEB2FA75" box="[138,264,1490,1512]" captionStart="Figure 2" captionStartId="3.[147,207,1824,1843]" captionTargetBox="[133,1454,247,1796]" captionTargetId="figure-5@3.[132,1474,246,1810]" captionTargetPageId="3" captionText="Figure 2 Pseudopallene chevron sp. nov. male holotype (SAM E3681): A, trunk, lateral; B, trunk, dorsal; C, trunk, anterior; D, leg 2; E, oviger; F, oviger claw; G, chela exterior; H, chela interior; I, abdomen lateral; J, tarsus and propodus leg 4." figureDoi="http://doi.org/10.5281/zenodo.12211048" httpUri="https://zenodo.org/record/12211048/files/figure.png" pageId="4" pageNumber="99">Figure 2A–J</figureCitation>
</paragraph>
<paragraph id="8BB836DEFFC5FFB50BC33BE0FEBFF9B8" blockId="4.[138,768,1533,1578]" pageId="4" pageNumber="99">
<emphasis id="B973EACCFFC5FFB50BC33BE0FE8CF982" box="[138,310,1533,1552]" italics="true" pageId="4" pageNumber="99">Material examined.</emphasis>
<materialsCitation id="3B6F3C83FFC5FFB50A733BE0FEB8F9B8" collectingDate="1973-10-25" collectionCode="SAM" collectorName="Waldergrave I." elevation="25" pageId="4" pageNumber="99" specimenCode="E 3681" specimenCount="1" specimenCount-male="1" typeStatus="holotype">
<specimenCount id="9D01FD57FFC5FFB50A733BE0FECCF982" box="[314,374,1533,1552]" count="1" pageId="4" pageNumber="99" type="male">1 male</specimenCount>
,
<typeStatus id="54BC887CFFC5FFB50A373BE0FE77F982" box="[382,461,1533,1552]" pageId="4" pageNumber="99" type="holotype">holotype</typeStatus>
,
<collectorName id="26F25308FFC5FFB50A9C3BE0FDECF982" box="[469,598,1533,1552]" pageId="4" pageNumber="99">Waldergrave I.</collectorName>
,
<quantity id="4CFF9B3BFFC5FFB509163BE0FD37F982" box="[607,653,1533,1552]" metricMagnitude="1" metricUnit="m" metricValue="2.5" pageId="4" pageNumber="99" unit="m" value="25.0">
<elevation id="002AD1EDFFC5FFB509163BE0FD37F982" box="[607,653,1533,1552]" metricMagnitude="1" metricUnit="m" metricValue="2.5" pageId="4" pageNumber="99" unit="m" value="25.0">25 m</elevation>
</quantity>
,
<date id="FFB9101EFFC5FFB509DC3BE0FCBAF982" box="[661,768,1533,1552]" pageId="4" pageNumber="99" value="1973-10-25">
<collectingDate id="EFFDE9F6FFC5FFB509DC3BE0FCBAF982" box="[661,768,1533,1552]" pageId="4" pageNumber="99" value="1973-10-25">25 Oct 1973</collectingDate>
</date>
<collectionCode id="ED16AE1BFFC5FFB50BC3380AFF01F9B8" box="[138,187,1559,1578]" country="South Africa" httpUri="http://grbio.org/cool/mhew-9czz" name="South African Museum" pageId="4" pageNumber="99">SAM</collectionCode>
<specimenCode id="DBA19EA5FFC5FFB50B89380AFEB8F9B8" box="[192,258,1559,1578]" collectionCode="SAM" country="South Africa" httpUri="http://grbio.org/cool/mhew-9czz" name="South African Museum" pageId="4" pageNumber="99">E 3681</specimenCode>
</materialsCitation>
.
</paragraph>
<paragraph id="8BB836DEFFC5FFB50BC3385FFD84F896" blockId="4.[138,770,1601,1796]" pageId="4" pageNumber="99">
<emphasis id="B973EACCFFC5FFB50BC3385FFF42F9C5" box="[138,248,1602,1623]" italics="true" pageId="4" pageNumber="99">Diagnosis.</emphasis>
Trunk smooth, completely segmented. Post-ocular surface of cephalon evenly rounded, not divided longitudinally, mid-dorsal mound not present. Abdomen more or less tubular. Proboscis bullet-shaped, without constrictions, margins evenly curved and tapered towards tip. Oviger terminal claw scooped, margin lined with rounded teeth. Red chevron markings on trunk may be a useful diagnostic character.
</paragraph>
<paragraph id="8BB836DEFFC5FFB50BC33906FB17FCCA" blockId="4.[138,769,1818,1898]" lastBlockId="4.[806,1438,229,857]" pageId="4" pageNumber="99">
<emphasis id="B973EACCFFC5FFB50BC33906FEB0F8A2" box="[138,266,1819,1840]" italics="true" pageId="4" pageNumber="99">Description.</emphasis>
Leg span about 27.0 mm. Trunk smooth, completely segmented; neck region of cephalon sloping away from base of ocular tubercle; post-ocular surface evenly rounded, not divided longitudinally, mid-dorsal mound not present; length of lateral processes about 1.5 times maximum width, 1st and 2nd pair separated by about one-quarter of basal widths. Ocular tubercle with 2 prominent dorsal papillae, lateral sensory organs not evident; 4 eyes, darkly pigmented. Abdomen more or less tubular, constricted distally, cleft anal opening. Proboscis bullet-shaped, without constrictions, margins evenly curved and tapered towards tip, 3 lips prominent, extended, oral fringe not evident. Chelifore scape without basal constriction, chela fingers with linear cutting edge, length of moveable finger slightly less than length of palm, dorsal surface of immoveable finger with several strong setae on outer surface. Oviger 10-segmented, segment 5 longest, strongly curved, distal apophysis prominent, all segments covered in small, but strong, simple spines; compound spine formula segments 7 to 10, 14:11:10:10, terminal claw scooped, margin lined with 22–26 rounded teeth. 3rd leg: coxa 2, 2.5 times length of coxa 3, tibia 2 longest, femur longer than tibia 1, propodus with 4 strong heel spines, distal-most spine longest, greater than half width of heel, heel spines followed by 2 lesser spines followed by 10–15 much smaller sole spines. Genital pores round, tiny, on ventrodistal surface of legs 3 and 4.
</paragraph>
<paragraph id="8BB836DEFFC5FFB5086F3D6DFC28FB86" blockId="4.[806,1437,879,1045]" pageId="4" pageNumber="99">
<emphasis id="B973EACCFFC5FFB5086F3D6DFB8FFC16" box="[806,1077,879,901]" italics="true" pageId="4" pageNumber="99">
Measurements of
<typeStatus id="54BC887CFFC5FFB508953D72FB8FFC16" box="[988,1077,879,900]" pageId="4" pageNumber="99" type="holotype">holotype</typeStatus>
</emphasis>
(mm): trunk length (frontal margin of cephalic segment to tip of 4th lateral process), 3.5; width (across 2nd lateral processes), 1.55; proboscis length (dorsal), 1.20; 3rd leg: coxa 1, 0.55; coxa 2, 1.38; coxa 3, 0.55; femur, 3.05; tibia 1, 2.64; tibia 2, 3.75; tarsus, 0.25; propodus, 0.85; claw, 0.48.
</paragraph>
<paragraph id="8BB836DEFFC5FFB5086F3A36FBECF929" blockId="4.[806,1439,1067,1723]" pageId="4" pageNumber="99">
<emphasis id="B973EACCFFC5FFB5086F3A36FC3DFBD2" box="[806,903,1067,1088]" italics="true" pageId="4" pageNumber="99">Remarks.</emphasis>
This small species is of a similar size to
<taxonomicName id="4C074D5DFFC5FFB50E723A31FC0AFBCC" authority="Staples, 2005" authorityName="Staples" authorityYear="2005" class="Pycnogonida" family="Callipallenidae" genus="Pseudopallene" kingdom="Animalia" order="Pantopoda" pageId="4" pageNumber="99" phylum="Arthropoda" rank="species" species="reflexa">
<emphasis id="B973EACCFFC5FFB50E723A31FA27FBD3" box="[1339,1437,1067,1089]" italics="true" pageId="4" pageNumber="99">P. reflexa</emphasis>
<bibRefCitation id="EF964B2FFFC5FFB5086F3A55FC0AFBCC" author="Staples, D. A." box="[806,944,1096,1118]" pageId="4" pageNumber="99" pagination="158 - 169" refId="ref4508" refString="Staples, D. A. 2005. Pycnogonida of the Althorpe Islands, South Australia. Transactions of the Royal Society of South Australia S. A. 129 (2): 158 - 169." type="journal article" year="2005">Staples, 2005</bibRefCitation>
</taxonomicName>
with which it shares the absence of a preocular mound and the longitudinal division of the cephalon. It otherwise differs in the arrangement of the propodal heel spines, the shape of the proboscis and abdomen and not having an irregular surface of the legs. The evenly rounded preocular region of the cephalon also resembles that of the much larger and more robust
<taxonomicName id="4C074D5DFFC5FFB508943AEBFBEFFA98" authorityName="Stock" authorityYear="1956" box="[989,1109,1269,1291]" class="Pycnogonida" family="Callipallenidae" genus="Pseudopallene" kingdom="Animalia" order="Pantopoda" pageId="4" pageNumber="99" phylum="Arthropoda" rank="species" species="ambigua">
<emphasis id="B973EACCFFC5FFB508943AEBFBEFFA98" box="[989,1109,1269,1291]" italics="true" pageId="4" pageNumber="99">P. ambigua</emphasis>
</taxonomicName>
but from which it also differs conspicuously in the shapes of the proboscis, the chelifores, the oviger claw and the propodus. It is of interest to note that
<bibRefCitation id="EF964B2FFFC5FFB5086F3B56FC55FAF3" author="Bamber, R. N." box="[806,1007,1355,1377]" pageId="4" pageNumber="99" pagination="325 - 341" refId="ref3951" refString="Bamber, R. N. 2005. Pycnogonids (Arthropoda: Pycnogonida) from the Recherche Archipelago, Esperance, Western Australia, Australia. Pp. 325 - 341, in: The Marine Flora and Fauna of Esperance, Western Australia. Western Australian Museum: Perth." type="book chapter" year="2005">Bamber (2005: 332)</bibRefCitation>
records markings on the trunk and legs of
<taxonomicName id="4C074D5DFFC5FFB5086F3B74FC1CFAEF" authorityName="Stock" authorityYear="1956" box="[806,934,1384,1406]" class="Pycnogonida" family="Callipallenidae" genus="Pseudopallene" kingdom="Animalia" order="Pantopoda" pageId="4" pageNumber="99" phylum="Arthropoda" rank="species" species="ambigua">
<emphasis id="B973EACCFFC5FFB5086F3B74FC1CFAEF" box="[806,934,1384,1406]" italics="true" pageId="4" pageNumber="99">P. ambigua</emphasis>
</taxonomicName>
from the Recherche Archipelago; a feature uncharacteristic of specimens from southeastern
<collectingCountry id="F310764EFFC5FFB50E093B98FA2EFA09" box="[1344,1428,1413,1435]" name="Australia" pageId="4" pageNumber="99">Australia</collectingCountry>
where they are uniformly yellow. Photographs of live
<taxonomicName id="4C074D5DFFC5FFB50E7A3BBEFA25FA25" authorityName="Staples" authorityYear="2007" box="[1331,1439,1442,1464]" class="Pycnogonida" family="Callipallenidae" genus="Pseudopallene" kingdom="Animalia" order="Pantopoda" pageId="4" pageNumber="99" phylum="Arthropoda" rank="species" species="chevron">
<emphasis id="B973EACCFFC5FFB50E7A3BBEFA25FA25" box="[1331,1439,1442,1464]" italics="true" pageId="4" pageNumber="99">P. chevron</emphasis>
</taxonomicName>
show colour to be predominantly yellow with red markings. Although this preserved specimen has lost all trace of colour, dark V-shaped markings persist on the trunk and a median line extends dorsally along the lateral processes and femur. Bandings on the tibiae, the chelae and part of the cephalon indicate that these areas also were pigmented, perhaps providing useful diagnostic character in live material. This is a common species of
<taxonomicName id="4C074D5DFFC5FFB508D23894FB8BF90C" authorityName="Wilson" authorityYear="1878" box="[923,1073,1673,1694]" class="Pycnogonida" family="Callipallenidae" genus="Pseudopallene" kingdom="Animalia" order="Pantopoda" pageId="4" pageNumber="99" phylum="Arthropoda" rank="genus">
<emphasis id="B973EACCFFC5FFB508D23894FB8BF90C" box="[923,1073,1673,1694]" italics="true" pageId="4" pageNumber="99">Pseudopallene</emphasis>
</taxonomicName>
in South Australian waters (pers. com. Karen Gowlett-Holmes).
</paragraph>
<paragraph id="8BB836DEFFC5FFB5086F38CCFA9EF896" blockId="4.[806,1437,1745,1796]" pageId="4" pageNumber="99">
<emphasis id="B973EACCFFC5FFB5086F38CCFC11F974" box="[806,939,1745,1766]" italics="true" pageId="4" pageNumber="99">Distribution.</emphasis>
Based on photographic records of live specimens, this species may be widely spread in
<collectingRegion id="49C3F83CFFC5FFB50FD538F3FA9BF896" box="[1180,1313,1774,1796]" country="Australia" name="Western Australia" pageId="4" pageNumber="99">SE Australia</collectingRegion>
.
</paragraph>
<paragraph id="8BB836DEFFC5FFB5086F3907FA31F8F8" blockId="4.[806,1437,1818,1898]" pageId="4" pageNumber="99">
<emphasis id="B973EACCFFC5FFB5086F3907FC21F8BD" box="[806,923,1818,1839]" italics="true" pageId="4" pageNumber="99">Etymology.</emphasis>
Named for the V-shaped dorsal trunk markings (chevrons) which, in combination with the leg markings, appear to be a distinctive diagnostic character; a noun in apposition.
</paragraph>
</subSubSection>
</treatment>
</document>
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