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<document id="CFFD49CE340E2F97AF7A78238A711C9B" ID-DOI="10.3853/j.2201-4349.66.2014.1601" ID-ISSN="2201-4349" ID-Zenodo-Dep="4684387" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1618331390969" checkinUser="carolina" docAuthor="Gerken, Sarah" docDate="2014" docId="03FB87F124662508FED0FF33FAAFFCB2" docLanguage="en" docName="RecAustMus.66.1.1-62.pdf" docOrigin="Records of the Australian Museum 66 (1)" docSource="http://dx.doi.org/10.3853/j.2201-4349.66.2014.1601" docStyle="DocumentStyle:A2A8AC5C71CC92C4EA50773B9B9E6D6A.1:RecAustMus.2008-2018.journal_article.1cover" docStyleId="A2A8AC5C71CC92C4EA50773B9B9E6D6A" docStyleName="RecAustMus.2008-2018.journal_article.1cover" docStyleVersion="1" docTitle="Anchistylis Hale 1945" docType="treatment" docVersion="3" lastPageNumber="3" masterDocId="FFC2FF892465250BFFEBFFA5FFF7FFCE" masterDocTitle="Eleven New Species and a New Genus of Diastylidae (Crustacea: Cumacea) from Australia and One New Species from Canada" masterLastPageNumber="62" masterPageNumber="1" pageNumber="3" updateTime="1698904917549" updateUser="plazi" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:title id="1F06C78AEC8D49DDAB4C8FD3F74F0615">Eleven New Species and a New Genus of Diastylidae (Crustacea: Cumacea) from Australia and One New Species from Canada</mods:title>
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<subSubSection id="C348656C24662508FED0FF33FD72FF78" box="[315,645,150,182]" pageId="3" pageNumber="3" type="nomenclature">
<paragraph id="8BED36E724662508FED0FF33FD72FF78" blockId="3.[315,645,150,182]" box="[315,645,150,182]" pageId="3" pageNumber="3">
<heading id="D0A5818B24662508FED0FF33FD72FF78" box="[315,645,150,182]" centered="true" fontSize="11" level="2" pageId="3" pageNumber="3" reason="2">
<taxonomicName id="4C524D6424662508FED0FF33FD72FF78" ID-CoL="7NPPN" authority="Hale, 1945" authorityName="Hale" authorityYear="1945" box="[315,645,150,182]" class="Malacostraca" family="Diastylidae" genus="Anchistylis" kingdom="Animalia" order="Cumacea" pageId="3" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B926EAF524662508FED0FF33FD72FF78" bold="true" box="[315,645,150,182]" pageId="3" pageNumber="3">
<emphasis id="B926EAF524662508FED0FF33FE2BFF7B" bold="true" box="[315,476,150,181]" italics="true" pageId="3" pageNumber="3">Anchistylis</emphasis>
<bibRefCitation id="EFC34B1624662508FE0DFF32FD72FF78" author="Hale, H" box="[486,645,151,182]" pageId="3" pageNumber="3" pagination="173 - 211" refId="ref36842" refString="Hale, H. 1945. Australian Cumacea. No. 11. The family Diastylidae (Part I). Transactions of the Royal Society of South Australia 69 (2): 173 - 211." type="journal article" year="1945">Hale, 1945</bibRefCitation>
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C348656C24662508FF4DFF6FFD7CFF2C" box="[166,651,202,226]" pageId="3" pageNumber="3" type="type_taxon">
<paragraph id="8BED36E724662508FF4DFF6FFD7CFF2C" blockId="3.[166,651,202,226]" box="[166,651,202,226]" pageId="3" pageNumber="3">
<emphasis id="B926EAF524662508FF4DFF6FFEC3FF2C" bold="true" box="[166,308,202,226]" pageId="3" pageNumber="3">
<typeStatus id="54E9884524662508FF4DFF6FFF29FF2C" box="[166,222,202,226]" pageId="3" pageNumber="3">Type</typeStatus>
species
</emphasis>
.
<taxonomicName id="4C524D6424662508FEAAFF6FFD7CFF2C" ID-CoL="DKRD" authority="(Hale, 1928)" baseAuthorityName="Hale" baseAuthorityYear="1928" box="[321,651,202,226]" class="Malacostraca" family="Diastylidae" genus="Anchistylis" kingdom="Animalia" order="Cumacea" pageId="3" pageNumber="3" phylum="Arthropoda" rank="species" species="waitei">
<emphasis id="B926EAF524662508FEAAFF6FFE0AFF2C" box="[321,509,202,226]" italics="true" pageId="3" pageNumber="3">Anchistylis waitei</emphasis>
(
<bibRefCitation id="EFC34B1624662508FDE7FF6FFD73FF2C" author="Hale, H" box="[524,644,202,226]" pageId="3" pageNumber="3" pagination="31 - 48" refId="ref36794" refString="Hale, H. 1928. Australian Cumacea. Transactions of the Royal Society of South Australia 52: 31 - 48." type="journal article" year="1928">Hale, 1928</bibRefCitation>
)
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="C348656C24662508FF4DFF52FCF8FE12" pageId="3" pageNumber="3" type="diagnosis">
<paragraph id="8BED36E724662508FF4DFF52FCF8FE12" blockId="3.[166,795,247,476]" pageId="3" pageNumber="3">
<emphasis id="B926EAF524662508FF4DFF52FEE2FEC1" bold="true" box="[166,277,247,271]" pageId="3" pageNumber="3">Diagnosis</emphasis>
.
<emphasis id="B926EAF524662508FECDFF52FE80FEC1" box="[294,375,247,271]" italics="true" pageId="3" pageNumber="3">Female</emphasis>
. Carapace not elongate, with at least 1 oblique lateral ridge curving down towards antennal notch. Pleon slender and short. Maxilliped 3 with exopod. Rudimentary exopods present on pereopods 34. Telson without setae.
<emphasis id="B926EAF524662508FEA6FEC9FE72FE4A" box="[333,389,364,388]" italics="true" pageId="3" pageNumber="3">Male</emphasis>
. Carapace similar to female. Bases of pereopods 35 broad, bases of exopods broadened. Telson with pair of very long terminal setae. With 2 pairs of uniramous or aramous pleopods with specialized setae.
</paragraph>
</subSubSection>
<subSubSection id="C348656C24662508FF4DFE57FA5CFDE6" pageId="3" pageNumber="3" type="discussion">
<paragraph id="8BED36E724662508FF4DFE57FA87FE1B" blockId="3.[166,794,498,552]" lastBlockId="3.[839,1467,151,469]" pageId="3" pageNumber="3">
<emphasis id="B926EAF524662508FF4DFE57FEE3FDC4" bold="true" box="[166,276,498,522]" pageId="3" pageNumber="3">Remarks</emphasis>
. The uniramous or aramous pleopods with specialized setae are characteristic for the genus. However, without males, females may be difficult to place in
<taxonomicName id="4C524D6424662508FCACFF10FC30FF03" authorityName="Hale" authorityYear="1945" box="[839,967,181,205]" class="Malacostraca" family="Diastylidae" genus="Anchistylis" kingdom="Animalia" order="Cumacea" pageId="3" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B926EAF524662508FCACFF10FC30FF03" box="[839,967,181,205]" italics="true" pageId="3" pageNumber="3">Anchistylis</emphasis>
</taxonomicName>
with certainty except by identification to species. Due to the small body size and reduced size of the pleon, when adult or nearly adult males are not present, the genus may be confused with
<taxonomicName id="4C524D6424662508FB2FFEA8FA75FEEB" authorityName="Gerken" authorityYear="2001" box="[1220,1410,269,293]" class="Malacostraca" family="Gynodiastylidae" genus="Litogynodiastylis" kingdom="Animalia" order="Cumacea" pageId="3" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B926EAF524662508FB2FFEA8FA75FEEB" box="[1220,1410,269,293]" italics="true" pageId="3" pageNumber="3">Litogynodiastylis</emphasis>
</taxonomicName>
, and can be distinguished by the presence of an exopod on maxilliped
<quantity id="4CAA9B0224662508FC56FEEDFC13FE91" box="[957,996,327,352]" metricMagnitude="-2" metricUnit="m" metricValue="7.62" pageId="3" pageNumber="3" unit="in" value="3.0">3 in</quantity>
the female (the exopod is absent in all female
<taxonomicName id="4C524D6424662508FCACFEC0FC0AFEB3" baseAuthorityName="Gerken" baseAuthorityYear="2001" box="[839,1021,357,381]" class="Malacostraca" family="Gynodiastylidae" kingdom="Animalia" order="Cumacea" pageId="3" pageNumber="3" phylum="Arthropoda" rank="family">Gynodiastylidae</taxonomicName>
). The minimal dimorphism between the males and females is like that found in the Gyndiastylidae, and close inspection of the pleon may be necessary to determine if pleopods are present in subadult male.
</paragraph>
<paragraph id="8BED36E724662508FCACFE57FA5CFDE6" blockId="3.[839,1466,498,552]" pageId="3" pageNumber="3">
<emphasis id="B926EAF524662508FCACFE57FBECFDC4" bold="true" box="[839,1051,498,522]" pageId="3" pageNumber="3">Australian species</emphasis>
.
<taxonomicName id="4C524D6424662508FBC6FE57FB13FDC4" authority="Gerken, 2014" authorityName="Gerken" authorityYear="2014" box="[1069,1252,498,522]" class="Malacostraca" family="Diastylidae" genus="Anchistylis" kingdom="Animalia" order="Cumacea" pageId="3" pageNumber="3" phylum="Arthropoda" rank="species" species="halei" status="sp. nov.">
<emphasis id="B926EAF524662508FBC6FE57FB13FDC4" box="[1069,1252,498,522]" italics="true" pageId="3" pageNumber="3">Anchistylis halei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A215578E24662508FB05FE56FAD9FDC4" box="[1262,1326,499,522]" pageId="3" pageNumber="3" rank="species">n. sp.</taxonomicNameLabel>
;
<taxonomicName id="4C524D6424662508FAD6FE56FC48FDE9" authority="Hale, 1945" authorityName="Hale" authorityYear="1945" class="Malacostraca" family="Diastylidae" genus="Anchistylis" kingdom="Animalia" order="Cumacea" pageId="3" pageNumber="3" phylum="Arthropoda" rank="species" species="longipes">
<emphasis id="B926EAF524662508FAD6FE56FA4DFDC4" box="[1341,1466,498,522]" italics="true" pageId="3" pageNumber="3">A. longipes</emphasis>
<bibRefCitation id="EFC34B1624662508FCACFDAAFC48FDE9" author="Hale, H" box="[839,959,527,551]" pageId="3" pageNumber="3" pagination="173 - 211" refId="ref36842" refString="Hale, H. 1945. Australian Cumacea. No. 11. The family Diastylidae (Part I). Transactions of the Royal Society of South Australia 69 (2): 173 - 211." type="journal article" year="1945">Hale, 1945</bibRefCitation>
</taxonomicName>
;
<taxonomicName id="4C524D6424662508FC21FDB5FB5BFDE9" authority="Hale, 1945" authorityName="Hale" authorityYear="1945" box="[970,1196,527,551]" class="Malacostraca" family="Diastylidae" genus="Anchistylis" kingdom="Animalia" order="Cumacea" pageId="3" pageNumber="3" phylum="Arthropoda" rank="species" species="similis">
<emphasis id="B926EAF524662508FC21FDB5FBD9FDE9" box="[970,1070,527,551]" italics="true" pageId="3" pageNumber="3">A. similis</emphasis>
<bibRefCitation id="EFC34B1624662508FBDFFDAAFB5BFDE9" author="Hale, H" box="[1076,1196,527,551]" pageId="3" pageNumber="3" pagination="173 - 211" refId="ref36842" refString="Hale, H. 1945. Australian Cumacea. No. 11. The family Diastylidae (Part I). Transactions of the Royal Society of South Australia 69 (2): 173 - 211." type="journal article" year="1945">Hale, 1945</bibRefCitation>
</taxonomicName>
;
<taxonomicName id="4C524D6424662508FB5CFDB5FA50FDE6" authority="(Hale, 1928)" baseAuthorityName="Hale" baseAuthorityYear="1928" box="[1207,1447,527,552]" class="Malacostraca" family="Diastylidae" genus="Anchistylis" kingdom="Animalia" order="Cumacea" pageId="3" pageNumber="3" phylum="Arthropoda" rank="species" species="waitei">
<emphasis id="B926EAF524662508FB5CFDB5FAE1FDE9" box="[1207,1302,528,551]" italics="true" pageId="3" pageNumber="3">A. waitei</emphasis>
(
<bibRefCitation id="EFC34B1624662508FACFFDAAFA69FDE6" author="Hale, H" box="[1316,1438,527,552]" pageId="3" pageNumber="3" pagination="31 - 48" refId="ref36794" refString="Hale, H. 1928. Australian Cumacea. Transactions of the Royal Society of South Australia 52: 31 - 48." type="journal article" year="1928">Hale, 1928</bibRefCitation>
)
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C348656C24662508FDF4FDE6FAAFFCB2" pageId="3" pageNumber="3" type="key">
<paragraph id="8BED36E724662508FDF4FDE6FAAFFD5A" blockId="3.[265,1368,578,660]" pageId="3" pageNumber="3">
<emphasis id="B926EAF524662508FDF4FDE6FBB5FD93" bold="true" box="[543,1090,578,605]" pageId="3" pageNumber="3">
Key to the Australian species of
<taxonomicName id="4C524D6424662508FC52FDE7FBB5FD93" ID-CoL="7NPPN" authorityName="Hale" authorityYear="1945" box="[953,1090,578,605]" class="Malacostraca" family="Diastylidae" genus="Anchistylis" kingdom="Animalia" order="Cumacea" pageId="3" pageNumber="3" phylum="Arthropoda" rank="genus">
<emphasis id="B926EAF524662508FC52FDE7FBB5FD93" bold="true" box="[953,1090,578,605]" italics="true" pageId="3" pageNumber="3">Anchistylis</emphasis>
</taxonomicName>
</emphasis>
1 Carapace with curving dorsolateral ridge and parallel ridge anteriorly ................
<taxonomicName id="4C524D6424662508FB2DFDD8FAEFFD5A" ID-CoL="DKR8" authority="Gerken, 2014" authorityName="Gerken" authorityYear="2014" box="[1222,1304,636,660]" class="Malacostraca" family="Diastylidae" genus="Anchistylis" kingdom="Animalia" order="Cumacea" pageId="3" pageNumber="3" phylum="Arthropoda" rank="species" species="halei" status="sp. nov.">
<emphasis id="B926EAF524662508FB2DFDD8FAEFFD5A" box="[1222,1304,636,660]" italics="true" pageId="3" pageNumber="3">A. halei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A215578E24662508FAF4FDD8FAAFFD5A" box="[1311,1368,637,660]" pageId="3" pageNumber="3" rank="species">n. sp.</taxonomicNameLabel>
</paragraph>
<paragraph id="8BED36E724662508FEE2FD00FAAFFD3A" blockId="3.[265,1368,676,756]" pageId="3" pageNumber="3">
—— Carapace with curving dorsolateral ridge, without parallel ridge ............................................. 2 2 Uropod endopod article 2 longer than article 3 .............................................................
<taxonomicName id="4C524D6424662508FB12FD78FAAFFD3A" ID-CoL="DKRD" baseAuthorityName="Hale" baseAuthorityYear="1928" box="[1273,1368,733,756]" class="Malacostraca" family="Diastylidae" genus="Anchistylis" kingdom="Animalia" order="Cumacea" pageId="3" pageNumber="3" phylum="Arthropoda" rank="species" species="waitei">
<emphasis id="B926EAF524662508FB12FD78FAAFFD3A" box="[1273,1368,733,756]" italics="true" pageId="3" pageNumber="3">A. waitei</emphasis>
</taxonomicName>
</paragraph>
<paragraph id="8BED36E724662508FEE2FCA0FAAEFC9A" blockId="3.[265,1369,772,852]" pageId="3" pageNumber="3">
—— Uropod endopod article 2 equal or shorter than article 3 .......................................................... 3 3 Pereopod 1 basis equal to all other articles together ....................................................
<taxonomicName id="4C524D6424662508FB1EFC98FAAEFC9A" ID-CoL="DKRC" authorityName="Hale" authorityYear="1945" box="[1269,1369,828,852]" class="Malacostraca" family="Diastylidae" genus="Anchistylis" kingdom="Animalia" order="Cumacea" pageId="3" pageNumber="3" phylum="Arthropoda" rank="species" species="similis">
<emphasis id="B926EAF524662508FB1EFC98FAAEFC9A" box="[1269,1369,828,852]" italics="true" pageId="3" pageNumber="3">A. similis</emphasis>
</taxonomicName>
</paragraph>
<paragraph id="8BED36E724662508FEE2FCC0FAAFFCB2" blockId="3.[265,1368,868,892]" box="[265,1368,868,892]" pageId="3" pageNumber="3">
—— Pereopod 1 basis shorter than all other articles together ...........................................
<taxonomicName id="4C524D6424662508FB0BFCC0FAAFFCB2" ID-CoL="DKR9" authorityName="Hale" authorityYear="1945" box="[1248,1368,868,892]" class="Malacostraca" family="Diastylidae" genus="Anchistylis" kingdom="Animalia" order="Cumacea" pageId="3" pageNumber="3" phylum="Arthropoda" rank="species" species="longipes">
<emphasis id="B926EAF524662508FB0BFCC0FAAFFCB2" box="[1248,1368,868,892]" italics="true" pageId="3" pageNumber="3">A. longipes</emphasis>
</taxonomicName>
</paragraph>
</subSubSection>
</treatment>
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