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<document id="E5BB4A51A7134C24B73D6CFA9B316D8E" ID-DOI="10.11646/zootaxa.3985.2.1" ID-GBIF-Dataset="5dd1cdba-94ef-46f0-8939-328514dcd73f" ID-ISSN="1175-5326" ID-Zenodo-Dep="235166" ID-ZooBank="B22C29C2-530C-49C5-A864-A56BF3DB38BE" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461256818564" checkinUser="plazi" docAuthor="Lowry, J. K. &amp; Springthorpe, R. T." docDate="2015" docId="71563629FFF56A41EEE6F9DC1B1FB822" docLanguage="en" docName="zt03985p202.pdf" docOrigin="Zootaxa 3985 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Australorchestia Serejo &amp; Lowry 2008" docType="treatment" docVersion="11" lastPageNumber="155" masterDocId="8D6F4E51FFF66A45EE71FFF21903BB7F" masterDocTitle="Coastal Talitridae (Amphipoda: Talitroidea) from north-western Australia to Darwin with a revision of the genus Cochinorchestia Lowry &amp; Peart, 2010" masterLastPageNumber="202" masterPageNumber="151" pageNumber="154" updateTime="1698608358849" updateUser="plazi">
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<mods:title id="9BB95369973DD2D7E323377896CFE7AE">Coastal Talitridae (Amphipoda: Talitroidea) from north-western Australia to Darwin with a revision of the genus Cochinorchestia Lowry &amp; Peart, 2010</mods:title>
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<mods:namePart id="2873960698F0A512BE3237CD931D1CFF">Lowry, J. K.</mods:namePart>
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<mods:namePart id="557DA544931AD5668435CDA81E7A5260">Springthorpe, R. T.</mods:namePart>
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<mods:date id="462A303085907CA7585635EFD822721F">2015</mods:date>
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<treatment id="71563629FFF56A41EEE6F9DC1B1FB822" ID-DOI="http://doi.org/10.5281/zenodo.5239221" ID-GBIF-Taxon="119636320" ID-Zenodo-Dep="5239221" LSID="urn:lsid:plazi:treatment:71563629FFF56A41EEE6F9DC1B1FB822" httpUri="http://treatment.plazi.org/id/71563629FFF56A41EEE6F9DC1B1FB822" lastPageId="4" lastPageNumber="155" pageId="3" pageNumber="154">
<subSubSection id="B1E5D4B4FFF56A46EEE6F9DC1B74BD37" box="[151,631,1582,1608]" pageId="3" pageNumber="154" type="nomenclature">
<paragraph id="F940873FFFF56A46EEE6F9DC1B74BD37" blockId="3.[151,631,1582,1608]" box="[151,631,1582,1608]" pageId="3" pageNumber="154">
<heading id="A2083053FFF56A46EEE6F9DC1B74BD37" bold="true" box="[151,631,1582,1608]" fontSize="11" level="1" pageId="3" pageNumber="154" reason="1">
<taxonomicName id="3EFFFCBCFFF56A46EEE6F9DC1B74BD37" ID-CoL="7NS24" authority="Serejo &amp; Lowry, 2008" authorityName="Serejo &amp; Lowry" authorityYear="2008" box="[151,631,1582,1608]" class="Malacostraca" family="Talitridae" genus="Australorchestia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="3" pageNumber="154" phylum="Arthropoda" rank="genus">
<emphasis id="CB8B5B2DFFF56A46EEE6F9DC1B74BD37" bold="true" box="[151,631,1582,1608]" pageId="3" pageNumber="154">
<emphasis id="CB8B5B2DFFF56A46EEE6F9DC1863BD37" bold="true" box="[151,352,1582,1608]" italics="true" pageId="3" pageNumber="154">Australorchestia</emphasis>
<bibRefCitation id="9D6EFACEFFF56A46EF17F9DC1B74BD37" author="Serejo" box="[358,631,1582,1608]" pageId="3" pageNumber="154" refString="Serejo, C. S. &amp; Lowry, J. K. (2008) Coastal talitrids of south and Western Australia (Crustacea, Amphipoda, Talitridae). Records of the Australian Museum, 60 (2 / 3), 161 - 206. http: // dx. doi. org / 10.3853 / j. 0067 - 1975.60.2008.1491" type="journal article" year="2008">Serejo &amp; Lowry, 2008</bibRefCitation>
</emphasis>
</taxonomicName>
</heading>
</paragraph>
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<subSubSection id="B1E5D4B4FFF56A46EEE6F9871B62BDF4" box="[151,609,1653,1675]" pageId="3" pageNumber="154" type="reference_group">
<paragraph id="F940873FFFF56A46EEE6F9871B62BDF4" blockId="3.[151,609,1653,1675]" box="[151,609,1653,1675]" pageId="3" pageNumber="154">
<treatmentCitationGroup id="D9EFA011FFF56A46EEE6F9871B62BDF4" box="[151,609,1653,1675]" pageId="3" pageNumber="154">
<taxonomicName id="3EFFFCBCFFF56A46EEE6F9871B5EBDF4" ID-CoL="7NS24" authority="Serejo &amp; Lowry, 2008: 163" authorityName="Serejo &amp; Lowry" authorityPageNumber="163" authorityYear="2008" box="[151,605,1653,1675]" class="Malacostraca" family="Talitridae" genus="Australorchestia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="3" pageNumber="154" phylum="Arthropoda" rank="genus">
<emphasis id="CB8B5B2DFFF56A46EEE6F987183CBDF4" box="[151,319,1653,1675]" italics="true" pageId="3" pageNumber="154">Australorchestia</emphasis>
<treatmentCitation id="785EA12EFFF56A46EF35F9871B5EBDF4" LSID="urn:lsid:zoobank.org:act:B73C40FE-B0E2-4D5C-B8B0-1CEC19416CFE" author="Serejo" box="[324,605,1653,1675]" httpUri="http://treatment.plazi.org/id/039CEE555535FF823A03F971E7E0F47F" page="163" pageId="3" pageNumber="154" year="2008">
<bibRefCitation id="9D6EFACEFFF56A46EF35F9871B29BDF4" author="Serejo" box="[324,554,1653,1675]" pageId="3" pageNumber="154" refString="Serejo, C. S. &amp; Lowry, J. K. (2008) Coastal talitrids of south and Western Australia (Crustacea, Amphipoda, Talitridae). Records of the Australian Museum, 60 (2 / 3), 161 - 206. http: // dx. doi. org / 10.3853 / j. 0067 - 1975.60.2008.1491" type="journal article" year="2008">Serejo &amp; Lowry, 2008</bibRefCitation>
: 163
</treatmentCitation>
</taxonomicName>
.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="B1E5D4B4FFF56A41EEE6F94519D3BA1B" lastPageId="4" lastPageNumber="155" pageId="3" pageNumber="154" type="materials_examined">
<paragraph id="F940873FFFF56A46EEE6F9451D74BDAF" blockId="3.[151,1436,1719,2033]" box="[151,1143,1719,1744]" pageId="3" pageNumber="154">
<emphasis id="CB8B5B2DFFF56A46EEE6F9451831BDAF" bold="true" box="[151,306,1719,1744]" pageId="3" pageNumber="154">
<typeStatus id="2644399DFFF56A46EEE6F94519D1BDAF" box="[151,210,1719,1744]" pageId="3" pageNumber="154">Type</typeStatus>
species.
</emphasis>
<taxonomicName id="3EFFFCBCFFF56A46EF48F9451A86BDAF" authority="Serejo &amp; Lowry, 2008" authorityName="Serejo &amp; Lowry" authorityYear="2008" box="[313,901,1719,1744]" class="Malacostraca" family="Talitridae" genus="Australorchestia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="3" pageNumber="154" phylum="Arthropoda" rank="species" species="occidentalis">
<emphasis id="CB8B5B2DFFF56A46EF48F9451B83BDAF" box="[313,640,1719,1744]" italics="true" pageId="3" pageNumber="154">Australorchestia occidentalis</emphasis>
<bibRefCitation id="9D6EFACEFFF56A46ECF9F9451A86BDAF" author="Serejo" box="[648,901,1719,1744]" pageId="3" pageNumber="154" refString="Serejo, C. S. &amp; Lowry, J. K. (2008) Coastal talitrids of south and Western Australia (Crustacea, Amphipoda, Talitridae). Records of the Australian Museum, 60 (2 / 3), 161 - 206. http: // dx. doi. org / 10.3853 / j. 0067 - 1975.60.2008.1491" type="journal article" year="2008">Serejo &amp; Lowry, 2008</bibRefCitation>
</taxonomicName>
, original designation.
</paragraph>
<paragraph id="F940873FFFF56A46EEB6F92E18A4BC67" blockId="3.[151,1436,1719,2033]" pageId="3" pageNumber="154">
<emphasis id="CB8B5B2DFFF56A46EEB6F92E189DBD8A" bold="true" box="[199,414,1756,1781]" pageId="3" pageNumber="154">Included species.</emphasis>
<taxonomicName id="3EFFFCBCFFF56A46EFC3F92E1B6FBD8A" box="[434,620,1756,1781]" class="Malacostraca" family="Talitridae" genus="Australorchestia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="3" pageNumber="154" phylum="Arthropoda" rank="genus">
<emphasis id="CB8B5B2DFFF56A46EFC3F92E1B6FBD8A" box="[434,620,1756,1781]" italics="true" pageId="3" pageNumber="154">Australorchestia</emphasis>
</taxonomicName>
includes 2 species:
<taxonomicName id="3EFFFCBCFFF56A46ED0EF92E1C68BD8B" authority="Serejo &amp; Lowry, 2008" authorityName="Serejo &amp; Lowry" authorityYear="2008" box="[895,1387,1756,1781]" class="Malacostraca" family="Talitridae" genus="Australorchestia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="3" pageNumber="154" phylum="Arthropoda" rank="species" species="occidentalis">
<emphasis id="CB8B5B2DFFF56A46ED0EF92E1D30BD8A" box="[895,1075,1756,1781]" italics="true" pageId="3" pageNumber="154">A. occidentalis</emphasis>
<bibRefCitation id="9D6EFACEFFF56A46EA36F92E1C68BD8B" author="Serejo" box="[1095,1387,1756,1781]" pageId="3" pageNumber="154" refString="Serejo, C. S. &amp; Lowry, J. K. (2008) Coastal talitrids of south and Western Australia (Crustacea, Amphipoda, Talitridae). Records of the Australian Museum, 60 (2 / 3), 161 - 206. http: // dx. doi. org / 10.3853 / j. 0067 - 1975.60.2008.1491" type="journal article" year="2008">Serejo &amp; Lowry, 2008</bibRefCitation>
</taxonomicName>
;
<taxonomicName id="3EFFFCBCFFF56A46EBF5F92E1844BC67" class="Malacostraca" family="Talitridae" genus="Australorchestia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="3" pageNumber="154" phylum="Arthropoda" rank="species" species="tantabiddyensis" status="sp. nov.">
<emphasis id="CB8B5B2DFFF56A46EBF5F92E1844BC67" italics="true" pageId="3" pageNumber="154">A. tantabiddyensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="D0B8E656FFF56A46EF3CF90D18A4BC67" box="[333,423,1791,1816]" pageId="3" pageNumber="154" rank="species">
<emphasis id="CB8B5B2DFFF56A46EF3CF90D18A4BC67" bold="true" box="[333,423,1791,1816]" pageId="3" pageNumber="154">sp. nov.</emphasis>
</taxonomicNameLabel>
</paragraph>
<paragraph id="F940873FFFF56A46EEB6F8D61C9FBC8F" blockId="3.[151,1436,1719,2033]" pageId="3" pageNumber="154">
<emphasis id="CB8B5B2DFFF56A46EEB6F8D618D1BC42" bold="true" box="[199,466,1828,1853]" pageId="3" pageNumber="154">Diagnostic description</emphasis>
(based on male).
<emphasis id="CB8B5B2DFFF56A46ECEDF8D61BD8BC42" bold="true" box="[668,731,1828,1853]" pageId="3" pageNumber="154">Head</emphasis>
Eyes medium (greater than 1/5 to 1/3 head length).
<emphasis id="CB8B5B2DFFF56A46EB58F8D61C9FBC43" box="[1321,1436,1828,1852]" italics="true" pageId="3" pageNumber="154">Antenna 1</emphasis>
short, not longer than article 4 of antenna 2 peduncle.
<emphasis id="CB8B5B2DFFF56A46ED45F8B5180CBCFA" bold="true" pageId="3" pageNumber="154">
<emphasis id="CB8B5B2DFFF56A46ED45F8B51AB0BC1F" bold="true" box="[820,947,1863,1888]" italics="true" pageId="3" pageNumber="154">Antenna 2</emphasis>
peduncular articles slender to slightly incrassate
</emphasis>
; peduncular article 3 without ventral process; final flagellar article large, cone-shaped, forming
<emphasis id="CB8B5B2DFFF56A46EB3DF89E19DEBCD7" italics="true" pageId="3" pageNumber="154">virgula divina</emphasis>
.
<emphasis id="CB8B5B2DFFF56A46EE9FF87D1BE5BCD7" bold="true" box="[238,742,1935,1960]" pageId="3" pageNumber="154">
<emphasis id="CB8B5B2DFFF56A46EE9FF87D185FBCD7" bold="true" box="[238,348,1935,1960]" italics="true" pageId="3" pageNumber="154">Mandible</emphasis>
left lacinia mobilis 4- 5-dentate
</emphasis>
.
<emphasis id="CB8B5B2DFFF56A46EC86F87D1A73BCD7" box="[759,880,1935,1960]" italics="true" pageId="3" pageNumber="154">Maxilliped</emphasis>
palp article 2 distomedial lobe well developed; article 4 reduced, button-shaped.
<emphasis id="CB8B5B2DFFF56A46EC66F8461B03BC8E" bold="true" pageId="3" pageNumber="154">
<emphasis id="CB8B5B2DFFF56A46EC66F8461BB3BCB2" bold="true" box="[535,688,1972,1997]" italics="true" pageId="3" pageNumber="154">Gnathopod 1</emphasis>
chelate; posterior margin of carpus and propodus each with lobe covered in palmate setae
</emphasis>
.
<emphasis id="CB8B5B2DFFF56A46EC61F82A1BA5BC8F" box="[528,678,2008,2033]" italics="true" pageId="3" pageNumber="154">Gnathopod 2</emphasis>
subchelate; merus and carpus free;
<emphasis id="CB8B5B2DFFF56A46EA38F82A1C96BC8E" bold="true" box="[1097,1429,2008,2033]" pageId="3" pageNumber="154">dactylus attenuated distally</emphasis>
.
</paragraph>
<paragraph id="F940873FFFF26A41EEE6FF6519D3BA1B" blockId="4.[151,1436,151,861]" pageId="4" pageNumber="155">
<emphasis id="CB8B5B2DFFF26A41EEE6FF65183CBBCF" box="[151,319,151,176]" italics="true" pageId="4" pageNumber="155">Pereopods 37</emphasis>
cuspidactylate.
<emphasis id="CB8B5B2DFFF26A41EF82FF651B99BBD0" box="[499,666,151,176]" italics="true" pageId="4" pageNumber="155">Pereopods 57</emphasis>
without setae along posterior margin of dactylus.
<emphasis id="CB8B5B2DFFF26A41EABBFF651C72BBCF" box="[1226,1393,151,176]" italics="true" pageId="4" pageNumber="155">Pereopods 67</emphasis>
not sexually dimorphic; without row of short setae along posterior margin of dactyli.
<emphasis id="CB8B5B2DFFF26A41EA21FF4E1DEEBBAB" box="[1104,1261,188,213]" italics="true" pageId="4" pageNumber="155">Pleonites 13</emphasis>
without dorsal spines.
<emphasis id="CB8B5B2DFFF26A41EE9AFF2D1BB3BB87" bold="true" box="[235,688,223,248]" pageId="4" pageNumber="155">
<emphasis id="CB8B5B2DFFF26A41EE9AFF2D1850BB87" bold="true" box="[235,339,223,248]" italics="true" pageId="4" pageNumber="155">Pleopods</emphasis>
all well developed, biramous
</emphasis>
.
<emphasis id="CB8B5B2DFFF26A41ECCEFF131A1CBB87" box="[703,799,225,248]" italics="true" pageId="4" pageNumber="155">Epimera</emphasis>
13 without vertical slits.
<emphasis id="CB8B5B2DFFF26A41EA3DFF2D1DBABB87" bold="true" box="[1100,1209,223,248]" italics="true" pageId="4" pageNumber="155">Uropod 1</emphasis>
rami without apical pear-shaped setae;
<emphasis id="CB8B5B2DFFF26A41EF1FFEF61B01BA62" bold="true" box="[366,514,260,285]" pageId="4" pageNumber="155">outer ramus</emphasis>
slender,
<emphasis id="CB8B5B2DFFF26A41EC18FEF61AAFBA62" bold="true" box="[617,940,260,285]" pageId="4" pageNumber="155">with marginal robust setae</emphasis>
.
<emphasis id="CB8B5B2DFFF26A41EDCDFEF61D2BBA63" box="[956,1064,260,285]" italics="true" pageId="4" pageNumber="155">Uropod 3</emphasis>
well developed; ramus subequal in length to peduncle.
<taxonomicName id="3EFFFCBCFFF26A41EFE8FED518E2BA3F" box="[409,481,295,320]" class="Maxillopoda" family="Telsidae" genus="Telson" kingdom="Animalia" order="Poecilostomatoida" pageId="4" pageNumber="155" phylum="Arthropoda" rank="genus">
<emphasis id="CB8B5B2DFFF26A41EFE8FED518E2BA3F" bold="true" box="[409,481,295,320]" italics="true" pageId="4" pageNumber="155">Telson</emphasis>
</taxonomicName>
apically incised, as broad as long or longer than broad
<emphasis id="CB8B5B2DFFF26A41EA16FED519CABA1A" bold="true" pageId="4" pageNumber="155">with 56 robust setae per lobe</emphasis>
.
</paragraph>
</subSubSection>
<subSubSection id="B1E5D4B4FFF26A41EEB6FE9D1B1FB822" pageId="4" pageNumber="155" type="discussion">
<paragraph id="F940873FFFF26A41EEB6FE9D1B34B91F" blockId="4.[151,1436,151,861]" pageId="4" pageNumber="155">
<emphasis id="CB8B5B2DFFF26A41EEB6FE9D1838BAF7" bold="true" box="[199,315,367,392]" pageId="4" pageNumber="155">Remarks.</emphasis>
In the original description of
<taxonomicName id="3EFFFCBCFFF26A41ECE2FE9D1ADFBAF7" box="[659,988,367,392]" class="Malacostraca" family="Talitridae" genus="Australorchestia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="4" pageNumber="155" phylum="Arthropoda" rank="species" species="occidentalis">
<emphasis id="CB8B5B2DFFF26A41ECE2FE9D1ADFBAF7" box="[659,988,367,392]" italics="true" pageId="4" pageNumber="155">Australorchestia occidentalis</emphasis>
</taxonomicName>
the male antenna 2 is considered to be slightly incrassate, the left lacinia mobilis has 4 cusps, the male gnathopod 1 is considered as subchelate and the male pereopod 7 is considered to be slightly expanded. In the new species,
<taxonomicName id="3EFFFCBCFFF26A41ED85FE4A1DC7BAAF" box="[1012,1220,439,464]" class="Malacostraca" family="Talitridae" genus="Australorchestia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="4" pageNumber="155" phylum="Arthropoda" rank="species" species="tantabiddyensis">
<emphasis id="CB8B5B2DFFF26A41ED85FE4A1DC7BAAF" box="[1012,1220,439,464]" italics="true" pageId="4" pageNumber="155">A. tantabiddyensis</emphasis>
</taxonomicName>
, male antenna 2 is slender to slightly incrassate, the left lacinia mobilis has 5 cusps, in the male gnathopod 1 the palm of the propodus is acute but then forms a sharp angle to become obtuse so that the gnathopod is considered as chelate, and the pereopod 7 has the merus and propodus slightly expanded as in
<taxonomicName id="3EFFFCBCFFF26A41ED0DFDD61D27B942" box="[892,1060,548,573]" class="Malacostraca" family="Talitridae" genus="Australorchestia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="4" pageNumber="155" phylum="Arthropoda" rank="species" species="occidentalis">
<emphasis id="CB8B5B2DFFF26A41ED0DFDD61D27B942" box="[892,1060,548,573]" italics="true" pageId="4" pageNumber="155">A. occidentalis</emphasis>
</taxonomicName>
. The generic diagnosis has been amended to document these changes.
</paragraph>
<paragraph id="F940873FFFF26A41EEB6FD9E1B1FB822" blockId="4.[151,1436,151,861]" pageId="4" pageNumber="155">
The relationship of
<taxonomicName id="3EFFFCBCFFF26A41EFDCFD9E1B64B9FA" box="[429,615,620,645]" class="Malacostraca" family="Talitridae" genus="Australorchestia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="4" pageNumber="155" phylum="Arthropoda" rank="genus">
<emphasis id="CB8B5B2DFFF26A41EFDCFD9E1B64B9FA" box="[429,615,620,645]" italics="true" pageId="4" pageNumber="155">Australorchestia</emphasis>
</taxonomicName>
to other talitrid genera is unclear. The obtuse palm on gnathopod 1 is unusual among talitrids.
<taxonomicName id="3EFFFCBCFFF26A41EFDEFD7D1B6AB9D7" box="[431,617,655,680]" class="Malacostraca" family="Talitridae" genus="Australorchestia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="4" pageNumber="155" phylum="Arthropoda" rank="genus">
<emphasis id="CB8B5B2DFFF26A41EFDEFD7D1B6AB9D7" box="[431,617,655,680]" italics="true" pageId="4" pageNumber="155">Australorchestia</emphasis>
</taxonomicName>
is most similar to
<taxonomicName id="3EFFFCBCFFF26A41ED4EFD7D1C04B9D7" authority="Lowry &amp; Coleman, 2011" authorityName="Lowry &amp; Coleman" authorityYear="2011" box="[831,1287,655,680]" class="Malacostraca" family="Talitridae" genus="Africorchestia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="4" pageNumber="155" phylum="Arthropoda" rank="genus">
<emphasis id="CB8B5B2DFFF26A41ED4EFD7D1ADDB9D7" box="[831,990,655,680]" italics="true" pageId="4" pageNumber="155">Africorchestia</emphasis>
<bibRefCitation id="9D6EFACEFFF26A41ED96FD621C04B9D7" author="Lowry" box="[999,1287,655,680]" pageId="4" pageNumber="155" refString="Lowry, J. K. &amp; Coleman, C. O. (2011) Africorchestia a new genus of sand-hoppers (Crustacea, Amphipoda, Talitridae) from western Africa and south-western Europe. Zootaxa, 2825, 55 - 68." type="journal article" year="2011">Lowry &amp; Coleman, 2011</bibRefCitation>
</taxonomicName>
. Both genera have a reduced, button-shaped maxillipedal palp article 4, palmate lobes on the carpus and propodus of male gnathopod 2, well developed pleopods, robust setae on the outer ramus of uropod 1 and 510 robust setae per lobe on the
<taxonomicName id="3EFFFCBCFFF26A41EE92FD0E1829B86A" box="[227,298,764,789]" class="Maxillopoda" family="Telsidae" genus="Telson" kingdom="Animalia" order="Poecilostomatoida" pageId="4" pageNumber="200" phylum="Arthropoda" rank="genus">telson</taxonomicName>
. They differ in the chelation of gnathopod 1, the distal shape of the dactylus of male gnathopod 2, the sexual dimorphism of pereopods 6 and 7 and the condition of the dorsum of pleonites 13. Both genera are considered to be post-Gondwanan.
</paragraph>
</subSubSection>
</treatment>
</document>