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<document id="1F716CEEB7552FB17D29CB10110D7724" ID-DOI="10.11646/zootaxa.4007.3.7" ID-GBIF-Dataset="3685e984-0201-458c-9d09-08dc7b13aeb2" ID-ISSN="1175-5326" ID-Zenodo-Dep="245508" ID-ZooBank="3D2D89A3-2E1D-4449-A418-6F86DDB5C6A1" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461219697882" checkinUser="plazi" docAuthor="Poore, Gary C. B." docDate="2015" docId="03CF48651D18CF0DFF248FF7BFFBFE6B" docLanguage="en" docName="zt04007p418.pdf" docOrigin="Zootaxa 4007 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Thermoarcturidae" docType="treatment" docVersion="8" lastPageNumber="411" masterDocId="FFF6301D1D19CF0FFFB38D51BC19FF9E" masterDocTitle="Thermoarcturidae, a new crustacean family of three genera (Isopoda: Valvifera)" masterLastPageNumber="418" masterPageNumber="409" pageNumber="410" updateTime="1698603718526" updateUser="plazi">
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<mods:title id="1240D5BA9FEBAC8A48E06EE7182FBDF3">Thermoarcturidae, a new crustacean family of three genera (Isopoda: Valvifera)</mods:title>
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<mods:namePart id="B7E62AA2D193EA1330EA9B5098185C4C">Poore, Gary C. B.</mods:namePart>
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<treatment id="03CF48651D18CF0DFF248FF7BFFBFE6B" ID-DOI="http://doi.org/10.5281/zenodo.6109367" ID-GBIF-Taxon="119631529" ID-Zenodo-Dep="6109367" LSID="urn:lsid:plazi:treatment:03CF48651D18CF0DFF248FF7BFFBFE6B" httpUri="http://treatment.plazi.org/id/03CF48651D18CF0DFF248FF7BFFBFE6B" lastPageId="2" lastPageNumber="411" pageId="1" pageNumber="410">
<subSubSection id="C37CAAF81D18CF0EFF248FF7BDC7FD5E" box="[151,478,678,704]" pageId="1" pageNumber="410" type="nomenclature">
<paragraph id="8BD9F9731D18CF0EFF248FF7BDC7FD5E" blockId="1.[151,478,678,704]" box="[151,478,678,704]" pageId="1" pageNumber="410">
<heading id="D0914E1F1D18CF0EFF248FF7BDC7FD5E" bold="true" box="[151,478,678,704]" fontSize="11" level="1" pageId="1" pageNumber="410" reason="1">
<emphasis id="B91225611D18CF0EFF248FF7BDC7FD5E" bold="true" box="[151,478,678,704]" pageId="1" pageNumber="410">
<taxonomicName id="4C6682F01D18CF0EFF248FF7BD66FD5E" ID-CoL="7NLBN" box="[151,383,678,704]" class="Malacostraca" family="Thermoarcturidae" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="family">Thermoarcturidae</taxonomicName>
n. fam.
</emphasis>
</heading>
</paragraph>
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<subSubSection id="C37CAAF81D18CF0EFF248FBCBEF0FC98" box="[151,745,749,774]" pageId="1" pageNumber="410" type="materials_examined">
<paragraph id="8BD9F9731D18CF0EFF248FBCBEF0FC98" blockId="1.[151,1437,749,2034]" box="[151,745,749,774]" pageId="1" pageNumber="410">
<emphasis id="B91225611D18CF0EFF248FBCBD05FC98" bold="true" box="[151,284,749,774]" pageId="1" pageNumber="410">
<typeStatus id="54DD47D11D18CF0EFF248FBCBCCBFC98" box="[151,210,749,774]" pageId="1" pageNumber="410">Type</typeStatus>
genus
</emphasis>
.
<taxonomicName id="4C6682F01D18CF0EFE988FBCBEFDFC98" authority="Paul &amp; Menzies, 1971" authorityName="Paul &amp; Menzies" authorityYear="1971" box="[299,740,749,774]" class="Malacostraca" family="Antarcturidae" genus="Thermoarcturus" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="genus">
<emphasis id="B91225611D18CF0EFE988FBCBDF9FC98" box="[299,480,749,774]" italics="true" pageId="1" pageNumber="410">Thermoarcturus</emphasis>
<bibRefCitation id="EFF784821D18CF0EFE548FBCBEFDFC98" author="Paul" box="[487,740,749,774]" pageId="1" pageNumber="410" refString="Paul, A. Z. &amp; Menzies, R. J. (1971) Sub-tidal isopods of the Fosa de Cariaco, Venezuela, with descriptions of two new genera and twelve new species. Boletin del Instituto Oceanografico, Universidad de Oriente, 10, 29 - 48." type="journal article" year="1971">Paul &amp; Menzies, 1971</bibRefCitation>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C37CAAF81D18CF0EFF748E40BD04FAF4" pageId="1" pageNumber="410" type="diagnosis">
<paragraph id="8BD9F9731D18CF0EFF748E40BD04FAF4" blockId="1.[151,1437,749,2034]" pageId="1" pageNumber="410">
<emphasis id="B91225611D18CF0EFF748E40BD23FCB4" bold="true" box="[199,314,785,810]" pageId="1" pageNumber="410">Diagnosis</emphasis>
. Body flexed between pereonites 4 and 5. Head and pereonite 1 fused. Pereonite 4 of similar length to pereonite 3. All pleonites fused into pleotelson, suture visible in at least 1 species. Body tuberculate or spinose, with at least dorsolateral pairs of spines, not dominated by pair near end of pleotelson; cuticle finely tomentose; pleotelson without dorsolateral ridges ending in mediodorsal posterior spine. Dorsal coxal plates 27 obsolete, bases of pereopods exposed. Mouthparts and pereopod 1 visible in lateral view. Eyes small or absent. All limbs covered in fur of fine setae. Antennal flagellum of 2 articles plus distal claw. Maxillipedal palp compact, article 3 as wide as long or wider than long, with mesiodistal notch. Pereopod 1 gnathopod-like, pereopods 24 differentiated from ambulatory pereopods 57. Pereopod 1 dactylus evenly curved along anterior margin, evenly tapering, with mesial stiff seta(e). Pereopods 24 with marginal and mesial rows of well-spaced long stiff setae; with prominent dactylus, unguis at least half as long as dactylus; pereopod 4 similar to pereopod 3. Pereopods of males without dense fur of fine setae along flexor margins. Uropodal endopod and exopod triangular, of similar lengths, each with terminal robust seta(e). Oostegites 14 functional, supported by coxal lobes; oostegites 5 a pair of rounded plates. Penes fused as a single penial plate, apically barely slit. Pleopod 1 peduncle more elongate than on other pleopods; with marginal setae on rami longer than or equal to length of rami. Pleopod 1 exopod of male thickened and with groove on posterior face, ending laterally on complexly lobed margin, or without groove and setose. Pleopod 2 of male with appendix masculina as long as or longer than endopod, basally less than half width of endopod.
</paragraph>
</subSubSection>
<subSubSection id="C37CAAF81D18CF0DFF748824BFFBFE6B" lastPageId="2" lastPageNumber="411" pageId="1" pageNumber="410" type="discussion">
<paragraph id="8BD9F9731D18CF0EFF748824BFB4F8A0" blockId="1.[151,1437,749,2034]" pageId="1" pageNumber="410">
<emphasis id="B91225611D18CF0EFF748824BD2DFA10" bold="true" box="[199,308,1397,1422]" pageId="1" pageNumber="410">Remarks</emphasis>
. The diagnosis is based on that of
<taxonomicName id="4C6682F01D18CF0EFD068824BFF1FA10" authority="Poore 2001" authorityName="Poore" authorityYear="2001" box="[693,1000,1397,1422]" class="Malacostraca" family="Antarcturidae" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="family">
Antarcturidae (
<bibRefCitation id="EFF784821D18CF0EFCEE8827BFF9FA10" author="Poore" box="[861,992,1398,1422]" pageId="1" pageNumber="410" refString="Poore, G. C. B. (2001) Isopoda Valvifera: diagnoses and relationships of the families. Journal of Crustacean Biology, 21, 205 - 230. http: // dx. doi. org / 10.1163 / 20021975 - 99990118" type="journal article" year="2001">Poore 2001</bibRefCitation>
)
</taxonomicName>
which the new family most resembles. The most significant feature uniting members of the family is the arrangement of setae on pereopods 24, widely spaced, more or less alternating lateral and mesial, and stiff, without associated groups of shorter finer setae. All members of
<taxonomicName id="4C6682F01D18CF0EFE9188B0BDA5FA64" box="[290,444,1505,1530]" class="Malacostraca" family="Antarcturidae" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="family">Antarcturidae</taxonomicName>
have pairs of long flexible filter-setae and associated shorter finer setae (
<figureCitation id="135DE5F61D18CF0EFAB388B0B958FA67" box="[1280,1345,1505,1530]" captionStart="FIGURE 1" captionStartId="1.[151,250,586,608]" captionText="FIGURE 1. Halearcturus serratulus (Whitelegge, 1904). Right pereopod 2, carpus dactylus." pageId="1" pageNumber="410">Fig. 1</figureCitation>
). These extend in
<taxonomicName id="4C6682F01D18CF0EFEB68B54BE26F980" authority="Brandt, 1990" authorityName="Brandt" authorityYear="1990" box="[261,575,1541,1566]" class="Malacostraca" family="Antarcturidae" genus="Chaetarcturus" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="genus">
<emphasis id="B91225611D18CF0EFEB68B54BDBFF980" box="[261,422,1541,1566]" italics="true" pageId="1" pageNumber="410">Chaetarcturus</emphasis>
<bibRefCitation id="EFF784821D18CF0EFE1E8B54BE26F980" author="Brandt" box="[429,575,1541,1566]" pageId="1" pageNumber="410" refString="Brandt, A. (1990) Antarctic valviferans (Crustacea, Isopoda, Valvifera) new genera, new species and redescriptions. E. J. Brill, Leiden, 176 pp." type="book" year="1990">Brandt, 1990</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="4C6682F01D18CF0EFDC58B57BFB6F980" authority="Schultz, 1981" authorityName="Schultz" authorityYear="1981" box="[630,943,1541,1566]" class="Malacostraca" family="Antarcturidae" genus="Caecarcturus" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="genus">
<emphasis id="B91225611D18CF0EFDC58B57BF14F983" box="[630,781,1542,1565]" italics="true" pageId="1" pageNumber="410">Caecarcturus</emphasis>
Schultz, 1981
</taxonomicName>
on to the dactylus. In
<taxonomicName id="4C6682F01D18CF0EFB198B54B96AF980" box="[1194,1395,1541,1566]" class="Malacostraca" family="Thermoarcturidae" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="family">Thermoarcturidae</taxonomicName>
the dactylus has one or more stiff mesial setae. In all species of
<taxonomicName id="4C6682F01D18CF0EFC8B8B78B818F9DC" box="[824,1025,1577,1602]" class="Malacostraca" family="Thermoarcturidae" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="family">Thermoarcturidae</taxonomicName>
the uropodal rami are triangular and of similar lengths, the exopod only a little smaller, and have terminal robust setae. In
<taxonomicName id="4C6682F01D18CF0EFBD18B1CB8E5F9F8" box="[1122,1276,1613,1638]" class="Malacostraca" family="Antarcturidae" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="family">Antarcturidae</taxonomicName>
the exopod is rectangular with distal setae and shorter than the endopod. Oostegites 5 are present in the two genera for which females are known; the female is unknown in
<taxonomicName id="4C6682F01D18CF0EFD108BC4B86EF930" authority="Schultz, 1966" authorityName="Schultz" authorityYear="1966" box="[675,1143,1685,1710]" class="Malacostraca" family="Thermoarcturidae" genus="Califarcturus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="species" species="tannerensis" status="comb. nov.">
<emphasis id="B91225611D18CF0EFD108BC4BFD8F933" box="[675,961,1685,1710]" italics="true" pageId="1" pageNumber="410">Califarcturus tannerensis</emphasis>
(
<bibRefCitation id="EFF784821D18CF0EFC628BC4B877F930" author="Schultz" box="[977,1134,1685,1710]" pageId="1" pageNumber="410" refString="Schultz, G. A. (1966) Submarine canyons of southern California. Part IV. Systematics: Isopoda. Marine isopods of the submarine canyons of the southern Californian continental shelf. Allan Hancock Pacific Expeditions, 27 (Part 4), 1 - 56. Available from: http: // biodiversitylibrary. org / page / 4683460 (accessed 26 July 2015)" type="journal article" year="1966">Schultz, 1966</bibRefCitation>
)
</taxonomicName>
<taxonomicNameLabel id="A221981A1D18CF0EFBCC8BC4B919F930" box="[1151,1280,1685,1710]" pageId="1" pageNumber="410">
<emphasis id="B91225611D18CF0EFBCC8BC4B919F930" bold="true" box="[1151,1280,1685,1710]" pageId="1" pageNumber="410">comb. nov.</emphasis>
</taxonomicNameLabel>
whereas they are absent in all antarcturids. The maxillipedal palp is compact, article 3 wider than long with a mesiodistal notch in
<taxonomicName id="4C6682F01D18CF0EFF078B8FBD5DF96B" box="[180,324,1758,1781]" class="Malacostraca" family="Antarcturidae" genus="Spinarcturus" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="genus">
<emphasis id="B91225611D18CF0EFF078B8FBD5DF96B" box="[180,324,1758,1781]" italics="true" pageId="1" pageNumber="410">Spinarcturus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C6682F01D18CF0EFECF8B8CBE0BF968" box="[380,530,1757,1782]" class="Malacostraca" family="Thermoarcturidae" genus="Califarcturus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="genus">
<emphasis id="B91225611D18CF0EFECF8B8CBE0BF968" box="[380,530,1757,1782]" italics="true" pageId="1" pageNumber="410">Califarcturus</emphasis>
</taxonomicName>
, or as wide as long in
<taxonomicName id="4C6682F01D18CF0EFCA68B8FBFBCF96B" box="[789,933,1758,1781]" class="Malacostraca" family="Antarcturidae" genus="Spinarcturus" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="genus">
<emphasis id="B91225611D18CF0EFCA68B8FBFBCF96B" box="[789,933,1758,1781]" italics="true" pageId="1" pageNumber="410">Spinarcturus</emphasis>
</taxonomicName>
; the palp is more linear in most antarcturids but similar to
<taxonomicName id="4C6682F01D18CF0EFE888A53BDD2F887" box="[315,459,1794,1817]" class="Malacostraca" family="Antarcturidae" genus="Spinarcturus" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="genus">
<emphasis id="B91225611D18CF0EFE888A53BDD2F887" box="[315,459,1794,1817]" italics="true" pageId="1" pageNumber="410">Spinarcturus</emphasis>
</taxonomicName>
in some genera. Lastly, the cuticle of the body and all limbs (antennae, maxillipeds, pereopods) are covered in a fur of fine setae not seen in
<taxonomicName id="4C6682F01D18CF0EFCB88A74BFB0F8A0" box="[779,937,1829,1854]" class="Malacostraca" family="Antarcturidae" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="family">Antarcturidae</taxonomicName>
.
</paragraph>
<paragraph id="8BD9F9731D18CF0DFF748A18BE40FE16" blockId="1.[151,1437,749,2034]" lastBlockId="2.[151,1436,151,501]" lastPageId="2" lastPageNumber="411" pageId="1" pageNumber="410">
The family
<taxonomicName id="4C6682F01D18CF0EFEE08A18BE94F8FF" authority="Poore, 2001" authorityName="Poore" authorityYear="2001" box="[339,653,1865,1890]" class="Malacostraca" family="Rectarcturidae" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="family">
Rectarcturidae
<bibRefCitation id="EFF784821D18CF0EFDB18A1BBE94F8FF" author="Poore" box="[514,653,1865,1889]" pageId="1" pageNumber="410" refString="Poore, G. C. B. (2001) Isopoda Valvifera: diagnoses and relationships of the families. Journal of Crustacean Biology, 21, 205 - 230. http: // dx. doi. org / 10.1163 / 20021975 - 99990118" type="journal article" year="2001">Poore, 2001</bibRefCitation>
</taxonomicName>
(of seven southern species) and
<taxonomicName id="4C6682F01D18CF0EFBA58A18B925F8FF" authority="Poore, 2001" authorityName="Poore" authorityYear="2001" box="[1046,1340,1865,1890]" class="Malacostraca" family="Arcturididae" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="family">
Arcturididae
<bibRefCitation id="EFF784821D18CF0EFB038A1BB925F8FF" author="Poore" box="[1200,1340,1865,1889]" pageId="1" pageNumber="410" refString="Poore, G. C. B. (2001) Isopoda Valvifera: diagnoses and relationships of the families. Journal of Crustacean Biology, 21, 205 - 230. http: // dx. doi. org / 10.1163 / 20021975 - 99990118" type="journal article" year="2001">Poore, 2001</bibRefCitation>
</taxonomicName>
(of one species) were differentiated from
<taxonomicName id="4C6682F01D18CF0EFDA18A3CBEB5F818" box="[530,684,1901,1926]" class="Malacostraca" family="Antarcturidae" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="family">Antarcturidae</taxonomicName>
on body shape, structure of the male pleopod 1 and setation of the pereopods and reviewed in detail by
<bibRefCitation id="EFF784821D18CF0EFD8B8AC3BED6F837" author="Poore" box="[568,719,1937,1961]" pageId="1" pageNumber="410" refString="Poore, G. C. B. (2013) Rectarcturidae Poore, 2001 rediagnosed with descriptions of new Australian genera and species (Isopoda: Valvifera). Memoirs of Museum Victoria, 70, 17 - 36. Available from: http: // museumvictoria. com. au / pages / 45740 / 017 - 036 _ mmv 70 _ poore _ 4 _ 300 dpi. pdf (accessed 26 July 2015)" type="journal article" year="2013">Poore (2013)</bibRefCitation>
. Rectarcturids have similar setation of pereopods 24 to that of thermoarcturids and also usually have small paired oostegites 5. However, all rectarcturids have straight nongeniculate bodies, long narrow dactyli and setiform ungues on pereopods 24. In
<taxonomicName id="4C6682F01D18CF0EFB958A88B8D0F86C" box="[1062,1225,2009,2034]" class="Malacostraca" family="Rectarcturidae" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="410" phylum="Arthropoda" rank="family">Rectarcturidae</taxonomicName>
the aperture of the groove on the exopod of pleopod 1 of the male is subdistal or distal on a lobe separate from the laminar exopod apex. The situation is somewhat similar in
<taxonomicName id="4C6682F01D1BCF0DFD398DEDBFB0FF4A" box="[650,937,188,213]" class="Malacostraca" family="Thermoarcturidae" genus="Califarcturus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="411" phylum="Arthropoda" rank="species" species="tannerensis">
<emphasis id="B91225611D1BCF0DFD398DEDBFB0FF4A" box="[650,937,188,213]" italics="true" pageId="2" pageNumber="411">Califarcturus tannerensis</emphasis>
</taxonomicName>
and
<taxonomicName id="4C6682F01D1BCF0DFC568DEDB922FF4B" box="[997,1339,188,213]" class="Malacostraca" family="Antarcturidae" genus="Thermoarcturus" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="411" phylum="Arthropoda" rank="species" species="venezuelensis">
<emphasis id="B91225611D1BCF0DFC568DEDB922FF4B" box="[997,1339,188,213]" italics="true" pageId="2" pageNumber="411">Thermoarcturus venezuelensis</emphasis>
</taxonomicName>
, but the latter is uniquely different from all rectarcturids and antarcturids with ancillary pleopodal structures without apparent homologies in other genera.
<taxonomicName id="4C6682F01D1BCF0DFDE18C54B814FE82" authority="Kensley, 1978" authorityName="Kensley" authorityYear="1978" box="[594,1037,260,285]" class="Malacostraca" family="Antarcturidae" genus="Spinarcturus" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="411" phylum="Arthropoda" rank="species" species="natalensis">
<emphasis id="B91225611D1BCF0DFDE18C54BF46FE83" box="[594,863,260,285]" italics="true" pageId="2" pageNumber="411">Spinarcturus natalensis</emphasis>
Kensley, 1978
</taxonomicName>
differs from both, having a weak exopodal groove and a tuft of fine setae similar to that seen in the more distantly related arcturid genus
<taxonomicName id="4C6682F01D1BCF0DFA888C79BDCEFEFA" authority="Latreille, 1829 (Poore 2001)" authorityName="Latreille, 1829 (Poore" authorityYear="2001" class="Malacostraca" family="Arcturidae" genus="Arcturus" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="411" phylum="Arthropoda" rank="genus">
<emphasis id="B91225611D1BCF0DFA888C79B985FEA1" box="[1339,1436,296,319]" italics="true" pageId="2" pageNumber="411">Arcturus</emphasis>
Latreille, 1829 (
<bibRefCitation id="EFF784821D1BCF0DFEFA8C1DBDD6FEFA" author="Poore" box="[329,463,332,356]" pageId="2" pageNumber="411" refString="Poore, G. C. B. (2001) Isopoda Valvifera: diagnoses and relationships of the families. Journal of Crustacean Biology, 21, 205 - 230. http: // dx. doi. org / 10.1163 / 20021975 - 99990118" type="journal article" year="2001">Poore 2001</bibRefCitation>
)
</taxonomicName>
.
<taxonomicName id="4C6682F01D1BCF0DFE518C1DBF4AFEFA" authority="Studer, 1882" authorityName="Studer" authorityYear="1882" box="[482,851,332,357]" class="Malacostraca" family="Arcturididae" genus="Arcturides" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="411" phylum="Arthropoda" rank="species" species="cornutus">
<emphasis id="B91225611D1BCF0DFE518C1DBEA6FEFA" box="[482,703,332,357]" italics="true" pageId="2" pageNumber="411">Arcturides cornutus</emphasis>
<bibRefCitation id="EFF784821D1BCF0DFD758C1DBF4AFEFA" author="Studer" box="[710,851,332,357]" pageId="2" pageNumber="411" refString="Studer, T. (1882) Uber eine neue Art Arcturus und eine neue Gattung der Idotheiden. Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin, 1882, 56 - 58. Available from: http: // biodiversitylibrary. org / page / 7796018 (accessed 26 July 2015)" type="journal article" year="1882">Studer, 1882</bibRefCitation>
</taxonomicName>
the only species of
<taxonomicName id="4C6682F01D1BCF0DFB838C1DB8D9FEFB" box="[1072,1216,332,357]" class="Malacostraca" family="Arcturididae" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="411" phylum="Arthropoda" rank="family">Arcturididae</taxonomicName>
, has a straight body and only robust setae on pereopods 24.
</paragraph>
<paragraph id="8BD9F9731D1BCF0DFF748CC5BFFBFE6B" blockId="2.[151,1436,151,501]" pageId="2" pageNumber="411">
The strong stiff setae on pereopods 24 bear a superficial similarity to those seen in species of the arcturid genus
<taxonomicName id="4C6682F01D1BCF0DFF578CE6BE8AFE4E" authority="Hale, 1924 (King 2000)" authorityName="Hale, 1924 (King" authorityYear="2000" box="[228,659,439,464]" class="Malacostraca" family="Arcturidae" genus="Parastacilla" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="411" phylum="Arthropoda" rank="genus">
<emphasis id="B91225611D1BCF0DFF578CE6BD76FE4E" box="[228,367,439,464]" italics="true" pageId="2" pageNumber="411">Parastacilla</emphasis>
<bibRefCitation id="EFF784821D1BCF0DFEC98CE6BDE0FE4E" author="Hale" box="[378,505,439,464]" pageId="2" pageNumber="411" refString="Hale, H. M. (1924) Notes on Australian Crustacea. No. III. Transactions of the Royal Society of South Australia, 48, 209 - 225. Available from: http: // biodiversitylibrary. org / page / 41571543 (accessed 26 July 2015)" type="journal article" year="1924">Hale, 1924</bibRefCitation>
(
<bibRefCitation id="EFF784821D1BCF0DFDBF8CE6BE92FE4E" author="King" box="[524,651,439,464]" pageId="2" pageNumber="411" refString="King, R. A. (2000) Rediagnosis of the endemic southern Australian genus Parastacilla Hale, 1924 (Crustacea: Isopoda: Arcturidae) with descriptions of two new species. Memoirs of Museum Victoria, 58, 125 - 136. Available from: http: // museumvictoria. com. au / pages / 4142 / 58 _ 1 _ king. pdf (accessed 26 July 2015)" type="journal article" year="2000">King 2000</bibRefCitation>
)
</taxonomicName>
but otherwise the taxa differ in the many family-level characters, notably the concealed mouthparts, elongate pereonite 4 and male pleopods.
</paragraph>
</subSubSection>
</treatment>
</document>