treatments-xml/data/03/DC/87/03DC87FDEC22FFE26FDCFBB8A2B6FE22.xml

<document id="0ACCE81485133D562C6B0209505025AF" ID-DOI="10.11646/zootaxa.2857.1.1" ID-ISSN="1175­5334" ID-Zenodo-Dep="5286577" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629723480123" checkinUser="felipe" docAuthor="Chavtur, Vladimir G. &amp; Angel, Martin V." docDate="2011" docId="03DC87FDEC22FFE26FDCFBB8A2B6FE22" docLanguage="en" docName="zt02857p087.pdf" docOrigin="Zootaxa 2857 (1)" docSource="https://biotaxa.org/Zootaxa/article/view/zootaxa.2857.1.1" docStyle="DocumentStyle:D239614CE4198176A422035174489AB1.4:Zootaxa.2009-2012.monograph" docStyleId="D239614CE4198176A422035174489AB1" docStyleName="Zootaxa.2009-2012.monograph" docStyleVersion="4" docTitle="Rotundoecia Chavtur &amp; Angel 2011, n.gen." docType="treatment" docVersion="5" lastPageNumber="55" masterDocId="FFE5FF85EC11FFD46F4AFFE5A118FA16" masterDocTitle="Revision of Metaconchoecia (Ostracoda: Halocyprididae) and the designation of two new tribes Conchoeciini and Metaconchoeciini 2857" masterLastPageNumber="87" masterPageNumber="1" pageNumber="52" updateTime="1699102090005" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="70C2C8C047D2972840F5DE8B6D85AC04">Revision of Metaconchoecia (Ostracoda: Halocyprididae) and the designation of two new tribes Conchoeciini and Metaconchoeciini 2857</mods:title>
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<mods:namePart id="838C4F45069BA776A0107F21454C465F">Chavtur, Vladimir G.</mods:namePart>
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<subSubSection id="C36F6560EC22FFE76FDCFBB8A014FEAF" pageId="51" pageNumber="52" type="nomenclature">
<paragraph id="8BCA36EBEC22FFE76FDCFBB8A3BEFE61" blockId="51.[150,678,1117,1143]" box="[150,678,1117,1143]" pageId="51" pageNumber="52">
<heading id="D0828187EC22FFE76FDCFBB8A3BEFE61" bold="true" box="[150,678,1117,1143]" fontSize="11" level="1" pageId="51" pageNumber="52" reason="1">
<emphasis id="B901EAF9EC22FFE76FDCFBB8A3BEFE61" bold="true" box="[150,678,1117,1143]" pageId="51" pageNumber="52">
<taxonomicName id="4C754D68EC22FFE76FDCFBB8A357FE61" ID-CoL="84TBS" authority="Chavtur &amp; Angel" authorityName="Chavtur &amp; Angel" authorityYear="2011" box="[150,591,1117,1143]" class="Ostracoda" family="Halocyprididae" genus="Rotundoecia" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B901EAF9EC22FFE76FDCFBB8A073FE61" bold="true" box="[150,363,1117,1143]" italics="true" pageId="51" pageNumber="52">ROTUNDOECIA</emphasis>
Chavtur &amp; Angel
</taxonomicName>
, 
<taxonomicNameLabel id="A2325782EC22FFE76D16FBB8A3BEFE61" box="[604,678,1117,1143]" pageId="51" pageNumber="52" rank="genus">n.gen.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BCA36EBEC22FFE76FDDFB46A014FEAF" blockId="51.[151,903,1187,1608]" box="[151,268,1187,1209]" pageId="51" pageNumber="52">Synonymy:</paragraph>
</subSubSection>
<subSubSection id="C36F6560EC22FFE76FDDFB27A3DCFC5E" pageId="51" pageNumber="52" type="description">
<paragraph id="8BCA36EBEC22FFE76FDDFB27A3DEFECE" blockId="51.[151,903,1187,1608]" box="[151,710,1218,1240]" pageId="51" pageNumber="52">
1894 
<taxonomicName id="4C754D68EC22FFE76FBFFB27A0CFFECE" authorityName="Muller" authorityYear="1890" box="[245,471,1218,1240]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="species" species="rotundata">
<emphasis id="B901EAF9EC22FFE76FBFFB27A0CFFECE" box="[245,471,1218,1240]" italics="true" pageId="51" pageNumber="52">Conchoecia rotundata</emphasis>
</taxonomicName>
—Müller, p. 229 (part).
</paragraph>
<paragraph id="8BCA36EBEC22FFE76FDDFB04A3E2FEE1" blockId="51.[151,903,1187,1608]" box="[151,762,1249,1271]" pageId="51" pageNumber="52">
1906a 
<taxonomicName id="4C754D68EC22FFE76FBFFB04A0CFFEE1" authorityName="Muller" authorityYear="1890" box="[245,471,1249,1271]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="species" species="rotundata">
<emphasis id="B901EAF9EC22FFE76FBFFB04A0CFFEE1" box="[245,471,1249,1271]" italics="true" pageId="51" pageNumber="52">Conchoecia rotundata</emphasis>
</taxonomicName>
group—Müller, p. 83 (part).
</paragraph>
<paragraph id="8BCA36EBEC22FFE76FDDFAE5A3DCFF00" blockId="51.[151,903,1187,1608]" box="[151,708,1280,1302]" pageId="51" pageNumber="52">
1909 
<taxonomicName id="4C754D68EC22FFE76FBFFAE5A0CFFF00" authorityName="Muller" authorityYear="1890" box="[245,471,1280,1302]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="species" species="rotundata">
<emphasis id="B901EAF9EC22FFE76FBFFAE5A0CFFF00" box="[245,471,1280,1302]" italics="true" pageId="51" pageNumber="52">Conchoecia rotundata</emphasis>
</taxonomicName>
group—Fowler, (part).
</paragraph>
<paragraph id="8BCA36EBEC22FFE76FDDFAFBA325FF22" blockId="51.[151,903,1187,1608]" box="[151,573,1310,1333]" pageId="51" pageNumber="52">
1953 
<taxonomicName id="4C754D68EC22FFE76FBFFAFAA076FF23" authorityName="Chavtur &amp; Angel" authorityYear="2011" box="[245,366,1311,1333]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="B901EAF9EC22FFE76FBFFAFAA076FF23" box="[245,366,1311,1333]" italics="true" pageId="51" pageNumber="52">Conchoecia</emphasis>
</taxonomicName>
—Iles, p. 271 (part).
</paragraph>
<paragraph id="8BCA36EBEC22FFE76FDDFAD8A340FF45" blockId="51.[151,903,1187,1608]" box="[151,600,1341,1363]" pageId="51" pageNumber="52">
1968 
<taxonomicName id="4C754D68EC22FFE76FBFFAD8A076FF45" authorityName="Chavtur &amp; Angel" authorityYear="2011" box="[245,366,1341,1363]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="B901EAF9EC22FFE76FBFFAD8A076FF45" box="[245,366,1341,1363]" italics="true" pageId="51" pageNumber="52">Conchoecia</emphasis>
</taxonomicName>
—Deevey, p. 55 (part).
</paragraph>
<paragraph id="8BCA36EBEC22FFE76FDDFABEA392FF67" blockId="51.[151,903,1187,1608]" box="[151,650,1371,1394]" pageId="51" pageNumber="52">
1973 
<taxonomicName id="4C754D68EC22FFE76FBFFAB9A084FF64" authorityName="Chavtur &amp; Angel" authorityYear="2011" box="[245,412,1372,1394]" class="Ostracoda" family="Halocyprididae" genus="Metaconchoecia" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="B901EAF9EC22FFE76FBFFAB9A084FF64" box="[245,412,1372,1394]" italics="true" pageId="51" pageNumber="52">Metaconchoecia</emphasis>
</taxonomicName>
—Poulsen, p. 74 (part).
</paragraph>
<paragraph id="8BCA36EBEC22FFE76FDDFA9FA37CFF86" blockId="51.[151,903,1187,1608]" box="[151,612,1402,1424]" pageId="51" pageNumber="52">
1974 
<taxonomicName id="4C754D68EC22FFE76FBFFA9FA076FF86" authorityName="Chavtur &amp; Angel" authorityYear="2011" box="[245,366,1402,1424]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="B901EAF9EC22FFE76FBFFA9FA076FF86" box="[245,366,1402,1424]" italics="true" pageId="51" pageNumber="52">Conchoecia</emphasis>
</taxonomicName>
—Deevey, p. 364 (part).
</paragraph>
<paragraph id="8BCA36EBEC22FFE76FDDFA7CA340FFB9" blockId="51.[151,903,1187,1608]" box="[151,600,1433,1455]" pageId="51" pageNumber="52">
1978 
<taxonomicName id="4C754D68EC22FFE76FBFFA7CA076FFB9" authorityName="Chavtur &amp; Angel" authorityYear="2011" box="[245,366,1433,1455]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="B901EAF9EC22FFE76FBFFA7CA076FFB9" box="[245,366,1433,1455]" italics="true" pageId="51" pageNumber="52">Conchoecia</emphasis>
</taxonomicName>
—Deevey, p. 53 (part).
</paragraph>
<paragraph id="8BCA36EBEC22FFE76FDDFA5DA382FFD8" blockId="51.[151,903,1187,1608]" box="[151,666,1464,1486]" pageId="51" pageNumber="52">
1979 
<taxonomicName id="4C754D68EC22FFE76FBFFA5DA084FFD8" authorityName="Chavtur &amp; Angel" authorityYear="2011" box="[245,412,1464,1486]" class="Ostracoda" family="Halocyprididae" genus="Metaconchoecia" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="B901EAF9EC22FFE76FBFFA5DA084FFD8" box="[245,412,1464,1486]" italics="true" pageId="51" pageNumber="52">Metaconchoecia</emphasis>
</taxonomicName>
—Martens, p. 352 (part).
</paragraph>
<paragraph id="8BCA36EBEC22FFE76FDDFA33A29FFFFA" blockId="51.[151,903,1187,1608]" box="[151,903,1494,1517]" pageId="51" pageNumber="52">
1981 
<taxonomicName id="4C754D68EC22FFE76FBFFA32A0F8FFFB" authorityName="sensu Angel" authorityYear="1968" box="[245,480,1495,1517]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="species" species="skogsbergi">
<emphasis id="B901EAF9EC22FFE76FBFFA32A0F8FFFB" box="[245,480,1495,1517]" italics="true" pageId="51" pageNumber="52">Conchoecia skogsbergi</emphasis>
</taxonomicName>
species complex—Gooday, p. 141 (part).
</paragraph>
<paragraph id="8BCA36EBEC22FFE76FDDFA10A34EFC1D" blockId="51.[151,903,1187,1608]" box="[151,598,1525,1547]" pageId="51" pageNumber="52">
1981 
<taxonomicName id="4C754D68EC22FFE76FBFFA10A076FC1D" authorityName="Chavtur &amp; Angel" authorityYear="2011" box="[245,366,1525,1547]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="B901EAF9EC22FFE76FBFFA10A076FC1D" box="[245,366,1525,1547]" italics="true" pageId="51" pageNumber="52">Conchoecia</emphasis>
</taxonomicName>
—Angel, p. 560 (part).
</paragraph>
<paragraph id="8BCA36EBEC22FFE76FDDF9F6A395FC3F" blockId="51.[151,903,1187,1608]" box="[151,653,1555,1578]" pageId="51" pageNumber="52">
1986 
<taxonomicName id="4C754D68EC22FFE76FBFF9F1A084FC3C" authorityName="Chavtur &amp; Angel" authorityYear="2011" box="[245,412,1556,1578]" class="Ostracoda" family="Halocyprididae" genus="Metaconchoecia" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="B901EAF9EC22FFE76FBFF9F1A084FC3C" box="[245,412,1556,1578]" italics="true" pageId="51" pageNumber="52">Metaconchoecia</emphasis>
</taxonomicName>
—Kempf, p. 486 (part).
</paragraph>
<paragraph id="8BCA36EBEC22FFE76FDDF9D7A3DCFC5E" blockId="51.[151,903,1187,1608]" box="[151,708,1586,1608]" pageId="51" pageNumber="52">
1999 
<taxonomicName id="4C754D68EC22FFE76FBFF9D7A084FC5E" authorityName="Chavtur &amp; Angel" authorityYear="2011" box="[245,412,1586,1608]" class="Ostracoda" family="Halocyprididae" genus="Metaconchoecia" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="B901EAF9EC22FFE76FBFF9D7A084FC5E" box="[245,412,1586,1608]" italics="true" pageId="51" pageNumber="52">Metaconchoecia</emphasis>
</taxonomicName>
—Angel, figs 9.58–76 (part).
</paragraph>
</subSubSection>
<subSubSection id="C36F6560EC22FFE76FDDF995A2BDFCC6" pageId="51" pageNumber="52" type="etymology">
<paragraph id="8BCA36EBEC22FFE76FDDF995A2BDFCC6" blockId="51.[151,1436,1647,2032]" pageId="51" pageNumber="52">
<emphasis id="B901EAF9EC22FFE76FDDF995A006FC9E" bold="true" box="[151,286,1648,1672]" inLineHeading="true" pageId="51" pageNumber="52" reason="1">Etymology.</emphasis>
The name is derived from the Latin adjective “ 
<emphasis id="B901EAF9EC22FFE76C60F995A2E2FC9E" box="[810,1018,1648,1672]" italics="true" pageId="51" pageNumber="52">rotundus, -a, -um”</emphasis>
meaning round, and “-oecia” derived from the Greek word “οƖκοσ” meaning “house”, from which the terms ecology and economy have been derived, and is the ending that has become standard for 
<taxonomicName id="4C754D68EC22FFE76DEFF952A253FCD9" authorityName="Muller" authorityYear="1912" box="[677,843,1719,1743]" class="Ostracoda" family="Halocyprididae" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="subFamily" subFamily="Conchoeciinae">Conchoeciinae</taxonomicName>
genera.
</paragraph>
</subSubSection>
<subSubSection id="C36F6560EC22FFE76F8DF939A5DCFD01" pageId="51" pageNumber="52" type="type_taxon">
<paragraph id="8BCA36EBEC22FFE76F8DF939A3E7FCE2" blockId="51.[151,1436,1647,2032]" box="[199,767,1755,1780]" pageId="51" pageNumber="52">
<emphasis id="B901EAF9EC22FFE76F8DF939A07AFCE2" bold="true" box="[199,354,1755,1780]" inLineHeading="true" pageId="51" pageNumber="52" reason="1">
<typeStatus id="54CE8849EC22FFE76F8DF939A019FCE2" box="[199,257,1756,1780]" pageId="51" pageNumber="52">Type</typeStatus>
species.
</emphasis>
<taxonomicName id="4C754D68EC22FFE76E23F939A3E2FCE2" ID-CoL="8V7M2" authority="Iles, 1953" authorityName="Iles" authorityYear="1953" box="[361,762,1756,1780]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="species" species="teretivalvata">
<emphasis id="B901EAF9EC22FFE76E23F939A39AFCE2" box="[361,642,1756,1780]" italics="true" pageId="51" pageNumber="52">Conchoecia teretivalvata</emphasis>
<bibRefCitation id="EFE44B1AEC22FFE76DC3F939A3E2FCE2" author="Iles" box="[649,762,1756,1780]" firstAuthor="Iles" pageId="51" pageNumber="52" pagination="259 - 280" refId="ref56554" refString="Iles, E. J. (1953) A preliminary report on the Ostracoda of the Benguela Current. Discovery Report, 26, 259 - 280." type="journal article" year="1953">Iles, 1953</bibRefCitation>
</taxonomicName>
.
</paragraph>
<paragraph id="8BCA36EBEC22FFE76F8DF91AA5DCFD01" blockId="51.[151,1436,1647,2032]" box="[199,1220,1791,1816]" pageId="51" pageNumber="52">
<emphasis id="B901EAF9EC22FFE76F8DF91AA07EFD0E" bold="true" box="[199,358,1791,1816]" inLineHeading="true" pageId="51" pageNumber="52" reason="1">Composition.</emphasis>
The genus consists of a single species 
<taxonomicName id="4C754D68EC22FFE76C51F8E5A5DCFD01" ID-CoL="6X9XG" authority="(Iles, 1953)" baseAuthorityName="Iles" baseAuthorityYear="1953" box="[795,1220,1791,1816]" class="Ostracoda" family="Halocyprididae" genus="Rotundoecia" kingdom="Animalia" order="Halocyprida" pageId="51" pageNumber="52" phylum="Arthropoda" rank="species" species="teretivalvata">
<emphasis id="B901EAF9EC22FFE76C51F8E5A524FD0E" box="[795,1084,1792,1816]" italics="true" pageId="51" pageNumber="52">Rotundoecia teretivalvata</emphasis>
(
<bibRefCitation id="EFE44B1AEC22FFE76B06F91AA5A4FD01" author="Iles" box="[1100,1212,1791,1815]" firstAuthor="Iles" pageId="51" pageNumber="52" pagination="259 - 280" refId="ref56554" refString="Iles, E. J. (1953) A preliminary report on the Ostracoda of the Benguela Current. Discovery Report, 26, 259 - 280." type="journal article" year="1953">Iles, 1953</bibRefCitation>
)
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="C36F6560EC22FFE76F8DF8C6A004FDE6" pageId="51" pageNumber="52" type="diagnosis">
<paragraph id="8BCA36EBEC22FFE76F8DF8C6A004FDE6" blockId="51.[151,1436,1647,2032]" pageId="51" pageNumber="52">
<emphasis id="B901EAF9EC22FFE76F8DF8C6A0D6FD2A" bold="true" box="[199,462,1827,1852]" inLineHeading="true" pageId="51" pageNumber="52" reason="1">Differential diagnosis.</emphasis>
Small globose species 
<quantity id="4C8D9B0EEC22FFE76D9FF8C1A262FD2D" box="[725,890,1828,1852]" metricMagnitude="-4" metricUnit="m" metricValue="9.65" metricValueMax="11.5" metricValueMin="7.8" pageId="51" pageNumber="52" unit="mm" value="0.965" valueMax="1.15" valueMin="0.78">0.78–1.15 mm</quantity>
, with a height of 52–60%CL and a width of 42– 48%CL. The ventral margin curves smoothly into the posterior margin, and the flanks also curve smoothly from the rostrum to the posterior margin. The carapace lacks sculpturing. The rostrum is quite small (8%CL) and the incisure is quite shallow. The LAG opens 11 to 12%CL behind the tip of the rostrum. The RAG opens on the posterior margin, nearly adjacent to the posterior end of the hinge. The male A1 e-seta armature consists of 9 to 11 pairs of slim spines.
</paragraph>
</subSubSection>
<subSubSection id="C36F6560EC25FFE16F8DFF72A5C2FE22" lastPageId="53" lastPageNumber="54" pageId="52" pageNumber="53" type="description">
<paragraph id="8BCA36EBEC25FFE06F8DFF72A058FBD9" blockId="52.[151,1436,151,2012]" pageId="52" pageNumber="53">
<emphasis id="B901EAF9EC25FFE06F8DFF72A0B6FAA6" bold="true" box="[199,430,151,176]" pageId="52" pageNumber="53">
<emphasis id="B901EAF9EC25FFE06F8DFF72A040FAA6" box="[199,344,151,176]" inLineHeading="true" pageId="52" pageNumber="53" reason="1">Description.</emphasis>
Males.
</emphasis>
<emphasis id="B901EAF9EC25FFE06EFFFF7DA33BFAA6" box="[437,547,152,176]" italics="true" pageId="52" pageNumber="53">Carapace</emphasis>
: The length range in the Atlantic is 
<quantity id="4C8D9B0EEC25FFE06CF3FF72A547FAB9" box="[953,1119,151,175]" metricMagnitude="-4" metricUnit="m" metricValue="8.4" metricValueMax="9.2" metricValueMin="7.6" pageId="52" pageNumber="53" unit="mm" value="0.84" valueMax="0.92" valueMin="0.76">0.76–0.92 mm</quantity>
, but larger specimens (up to 
<quantity id="4C8D9B0EEC25FFE06FDDFF59A1E4FAC2" box="[151,252,188,212]" metricMagnitude="-3" metricUnit="m" metricValue="1.15" pageId="52" pageNumber="53" unit="mm" value="1.15">1.15 mm</quantity>
) have been reported both in the Southern Ocean (
<bibRefCitation id="EFE44B1AEC25FFE06C6DFF59A2A6FAC2" author="Deevey" box="[807,958,188,212]" firstAuthor="Deevey" pageId="52" pageNumber="53" pagination="351 - 380" refId="ref55545" refString="Deevey, G. B. (1974) Pelagic ostracods collected on Hudson ' 70 between the equator and 55 ° S in the Atlantic. Proceedings of the Biological Society of Washington, 87, 351 - 380." type="journal article" year="1974">Deevey 1974</bibRefCitation>
) and in the S.E. Pacific off 
<collectingCountry id="F362767BEC25FFE06BB9FF59A428FAC2" box="[1267,1328,188,212]" name="Chile" pageId="52" pageNumber="53">Chile</collectingCountry>
(
<bibRefCitation id="EFE44B1AEC25FFE06A74FF59A1CBFAE1" author="Martens" firstAuthor="Martens" pageId="52" pageNumber="53" pagination="303 - 366" refId="ref57037" refString="Martens, J. M. (1979) Die pelagischen Ostracoden der Expedition Marchile I (Sudost-Pazifik) II: Systematik und Vorkommen (Crustacea: Ostracoda: Myodocopa). Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut, 76, 303 - 366." type="journal article" year="1979">Martens 1979</bibRefCitation>
). The maximum height, 50–55%CL is located well posterior to midlength, so the carapace tapers anteriorly. In the ventral aspect, the flanks curve smoothly with the maximum breadth of 48%CL at midlength. Lrost is 8%CL anterior, and LC3 is 7%CL. Ventrally the incisure is quite shallow, and the anterior margin of the carapace hardly projects beyond the inner margin of the incisure. The LAG opens 10–13%CL behind the tip of the rostrum, and 3%CL behind the anterior end of the hinge; it is also posterior to the inner margin of the incisure. The RAG opens almost adjacent to the posterior end of the hinge and close to the posterior dorsal corner. There is no visible surface ornamentation.
</paragraph>
<paragraph id="8BCA36EBEC25FFE06F8DFE39A349F892" blockId="52.[151,1436,151,2012]" pageId="52" pageNumber="53">
<emphasis id="B901EAF9EC25FFE06F8DFE39A07CFBE2" box="[199,356,476,500]" italics="true" pageId="52" pageNumber="53">Frontal organ</emphasis>
: There is a clear division between shaft and capitulum. The shaft is 32%CL, and slightly shorter than the A1 limb; it is segmented at midlength just posterior to where the locking dorsal seta from the A1 entwines around the shaft. The spinose capitulum (12.5%CL) is slightly down-turned, and similar in shape to those of 
<taxonomicName id="4C754D68EC25FFE06FDDFDADA0AAF849" box="[151,434,583,608]" class="Ostracoda" family="Halocyprididae" genus="Metaconchoecia" kingdom="Animalia" order="Halocyprida" pageId="52" pageNumber="53" phylum="Arthropoda" rank="species" species="undetermined">
<emphasis id="B901EAF9EC25FFE06FDDFDADA048F876" box="[151,336,584,608]" italics="true" pageId="52" pageNumber="53">Metaconchoecia</emphasis>
species.
</taxonomicName>
The overall length of the frontal organ is 43–44%CL, so the tip of the capitulum just extends beyond the end of the A1 limb.
</paragraph>
<paragraph id="8BCA36EBEC25FFE06F8DFD75A460F921" blockId="52.[151,1436,151,2012]" pageId="52" pageNumber="53">
<emphasis id="B901EAF9EC25FFE06F8DFD75A047F8BE" box="[199,351,656,680]" italics="true" pageId="52" pageNumber="53">First antenna</emphasis>
: The limb is clearly segmented, with the first segment being three-quarters the length of the second. Its overall length is 37–38%CL. The a-seta is sinuate and slightly swollen near its base. It is long (26%CL), reaching well beyond the suture between the first and second A1 segments. The c-seta is very short (4%CL). The eseta is 55%CL and is longer than both the b-seta (48%CL) and the d-seta (50–51%CL). Its armature consists of 9– 11 pairs of long, thin spines, which distally are closely spaced distally and become more spaced out proximally.
</paragraph>
<paragraph id="8BCA36EBEC25FFE06F8DFCA1A472FE19" blockId="52.[151,1436,151,2012]" pageId="52" pageNumber="53">
<emphasis id="B901EAF9EC25FFE06F8DFCA1A062F94A" box="[199,378,836,860]" italics="true" pageId="52" pageNumber="53">Second antenna</emphasis>
: The protopodite is relatively long (53%CL). The slim first exopodite segment is quite short (19–20%CL) and appears to lack a terminal seta. The remaining exopodite segments are just over 50% the length of the first segment. The longest of the swimming setae is slightly longer than the protopodite. On the endopodite the g-seta is 45%CL and the f-seta is 38%CL; both are flattened and pointed. The c- and d-setae are slim and short, but the e-seta is moderately long. The h-seta is simple and subequal to the other sensory setae, i.e. 17%CL. Both hook appendages are angled and terminally rounded; the distal arm of the smaller left hook is strongly curved.
</paragraph>
<paragraph id="8BCA36EBEC25FFE06F8DFBF9A1FCFED2" blockId="52.[151,1436,151,2012]" pageId="52" pageNumber="53">
<emphasis id="B901EAF9EC25FFE06F8DFBF9A02AFE22" box="[199,306,1052,1076]" italics="true" pageId="52" pageNumber="53">Mandible</emphasis>
(
<figureCitation id="134E2A6EEC25FFE06E0BFBF9A084FE22" box="[321,412,1052,1076]" captionStart="FIGURE 2" captionStartId="11.[151,250,1853,1876]" captionTargetBox="[223,1384,474,1820]" captionTargetId="figure-629@11.[197,1387,469,1825]" captionTargetPageId="11" captionText="FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified)." figureDoi="http://doi.org/10.5281/zenodo.5286583" httpUri="https://zenodo.org/record/5286583/files/figure.png" pageId="52" pageNumber="53">Fig. 2D</figureCitation>
): The first endopodite segment has a single subterminal dorsal seta with fine setules. It also has a ventral seta, which extends almost to the end of the limb. The longest claw seta on the end of the third segment is&gt;90% the length of the limb and 22–23%CL. The exopodite is a well developed process, which bears a slim, medium-length seta with long setules. The coxale is relatively short and about two-thirds as long as the endopodite.
</paragraph>
<paragraph id="8BCA36EBEC25FFE06F8DFB35A32EFF39" blockId="52.[151,1436,151,2012]" pageId="52" pageNumber="53">
<emphasis id="B901EAF9EC25FFE06F8DFB35A006FEFE" box="[199,286,1232,1256]" italics="true" pageId="52" pageNumber="53">Maxilla</emphasis>
: The endopodite has the usual setation for the tribe: four anterior setae, a single lateral seta, and three posterior setae. Terminally on its inner edge it has five small, sharp spines. The second segment has three terminal claw setae and two lateral slim setae.
</paragraph>
<paragraph id="8BCA36EBEC25FFE06F8DFAD9A088FFF2" blockId="52.[151,1436,151,2012]" pageId="52" pageNumber="53">
<emphasis id="B901EAF9EC25FFE06F8DFAD9A02FFF42" box="[199,311,1340,1364]" italics="true" pageId="52" pageNumber="53">Fifth limb</emphasis>
: The epipodial setae are in three groups of 4 setae. The basale has 3+1 ventral setae, 2+2 divergent lateral setae, and dorsally both a seta with long setules and a longer, bare, subterminal seta. On the first endopodite segment there is a pair of ventral medial setae, and a single medial dorsal seta. The terminal claw setae on the second segment have length ratios of 70:100:50 (dorsal to ventral). The longest of these three setae is 8%CL and 65% the length of the limb.
</paragraph>
<paragraph id="8BCA36EBEC25FFE06F8DFA15A05AFC8E" blockId="52.[151,1436,151,2012]" pageId="52" pageNumber="53">
<emphasis id="B901EAF9EC25FFE06F8DFA15A024FC1E" box="[199,316,1520,1544]" italics="true" pageId="52" pageNumber="53">Sixth limb</emphasis>
: The epipodial setae are in three groups of 6+5+5. There are four ventral setae (1+1+2) on the basale, a single lateral seta, but no dorsal seta. The first endopodite segment has only a small medio-ventral seta. The second endopodite segment has a short dorsal and a short ventral seta; both are inserted at two-thirds of the length. The three subequal terminal setae are 47%CL and about 130% the length of the limb. All three have long setules distally.
</paragraph>
<paragraph id="8BCA36EBEC25FFE06F8DF941A290FCC9" blockId="52.[151,1436,151,2012]" pageId="52" pageNumber="53">
<emphasis id="B901EAF9EC25FFE06F8DF941A043FCAA" box="[199,347,1700,1724]" italics="true" pageId="52" pageNumber="53">Caudal furca</emphasis>
: The longest pair of the eight pairs of claw setae is nearly 17%CL. Dorsally there is an unpaired seta, which is nearly quarter of the length of the longest claw setae.
</paragraph>
<paragraph id="8BCA36EBEC25FFE06F8DF909A5C7FD3E" blockId="52.[151,1436,151,2012]" pageId="52" pageNumber="53">
<emphasis id="B901EAF9EC25FFE06F8DF909A0D1FD12" box="[199,457,1772,1796]" italics="true" pageId="52" pageNumber="53">Copulatory appendage</emphasis>
: The length of the appendage is 28%CL. It is very broad, distally rounded, and terminally strongly tapered. There is a distodorsal stylet near its tip. It has 7 or 8 oblique muscle bands.
</paragraph>
<paragraph id="8BCA36EBEC25FFE16F8DF8D1A462FAE1" blockId="52.[151,1436,151,2012]" lastBlockId="53.[151,1437,151,1076]" lastPageId="53" lastPageNumber="54" pageId="52" pageNumber="53">
<emphasis id="B901EAF9EC25FFE06F8DF8D1A028FD5D" box="[199,304,1844,1868]" inLineHeading="true" pageId="52" pageNumber="53" reason="1">
<emphasis id="B901EAF9EC25FFE06F8DF8D1A031FD5A" bold="true" box="[199,297,1844,1868]" pageId="52" pageNumber="53">Females</emphasis>
.
</emphasis>
<emphasis id="B901EAF9EC25FFE06E70F8D1A0B0FD5A" box="[314,424,1844,1868]" italics="true" pageId="52" pageNumber="53">Carapace</emphasis>
: In the Atlantic the length range is 
<quantity id="4C8D9B0EEC25FFE06C07F8D1A2EEFD5D" box="[845,1014,1844,1868]" metricMagnitude="-4" metricUnit="m" metricValue="8.1" metricValueMax="8.6" metricValueMin="7.6" pageId="52" pageNumber="53" unit="mm" value="0.81" valueMax="0.86" valueMin="0.76">0.76–0.86 mm</quantity>
; larger specimens of up to 
<quantity id="4C8D9B0EEC25FFE06A7FF8D1A483FD5D" box="[1333,1435,1844,1868]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" pageId="52" pageNumber="53" unit="mm" value="1.2">1.20 mm</quantity>
reported from the Southern Ocean (
<bibRefCitation id="EFE44B1AEC25FFE06D6EF8BDA3D3FD66" author="Deevey" box="[548,715,1880,1904]" firstAuthor="Deevey" pageId="52" pageNumber="53" pagination="131 - 167" refId="ref55677" refString="Deevey, G. B. (1982 a) A faunistic study of the planktonic ostracods (Myodocopa, Halocyprididae) collected on eleven cruises of the Eltanin between New Zealand, Australia and the Southern Indian Ocean. Biology of the Antarctic Seas, Antarctic Research series, 32, 131 - 167." type="journal article" year="1982" yearSuffix="a">Deevey 1982a</bibRefCitation>
), may be a second species. The carapace is short, relatively high and slightly elongated. The maximum height of 52–60%CL is located posterior to midlength, so the carapace tapers anteriorly. In ventral aspect the flanks curve smoothly. Uniquely the maximum width (42–47%CL) is located at about two-thirds of the length of the carapace. Lrost is 8 to 9 %CL, but LC3 is only about 4%CL. The anterior margin of the carapace below the incisure barely arches anterior to the inner face of the incisure. The LAG opens about 11%CL behind the tip of the rostrum, and 2–2.5%CL behind the anterior end of the hinge. The RAG opens immediately below the posterior end of the hinge near the posterior dorsal corner. There is no surface sculpture.
</paragraph>
<paragraph id="8BCA36EBEC24FFE16FDDFEE1A1E3FB91" blockId="53.[151,1437,151,1076]" pageId="53" pageNumber="54">
<emphasis id="B901EAF9EC24FFE16FDDFEE1A02EFB0A" box="[151,310,260,284]" italics="true" pageId="53" pageNumber="54">Frontal organ</emphasis>
. The shaft and capitulum are fused, so the capitulum is poorly differentiated, although it is a little broader than the shaft, and is slightly down-turned. The capitulum is finely hirsute along its ventral margin, and its end is blunt or slightly pointed. The overall length of the frontal organ is 37%CL and over double the length of the A1 limb.
</paragraph>
<paragraph id="8BCA36EBEC24FFE16F8DFE70A425FBE2" blockId="53.[151,1437,151,1076]" pageId="53" pageNumber="54">
<emphasis id="B901EAF9EC24FFE16F8DFE70A046FBBA" box="[199,350,405,428]" italics="true" pageId="53" pageNumber="54">First antenna</emphasis>
. The length of the limb is 17%CL, and the basal segments are fused. There is no dorsal seta. The e-seta is 35%CL, similar in length to the frontal organ. Distal to the ends of the sensory setae, the trailing edge of the e-seta is lined with fine spines. The sensory a-, b-, c- and d-setae (19%CL) are thin-walled and simple.
</paragraph>
<paragraph id="8BCA36EBEC24FFE16F8DFDE5A546F8B1" blockId="53.[151,1437,151,1076]" pageId="53" pageNumber="54">
<emphasis id="B901EAF9EC24FFE16F8DFDE5A065F80E" box="[199,381,512,536]" italics="true" pageId="53" pageNumber="54">Second antenna</emphasis>
. The protopodite is 49%CL. The first exopodite segment is slim and short (20–21%CL). Unlike in the male, the female appears to lack a terminal seta on the first segment. The combined length of the remaining segments of the exopodite that carry the swimming setae is about half the length of the first segment. The longest swimming seta is a little shorter than the protopodite (44–45%CL). The terminal setae on the endopodite are subequal in length (20–21%CL), thin, and parallel-sided, with rounded tips.
</paragraph>
<paragraph id="8BCA36EBEC24FFE16F8DFD51A3AFF8DA" blockId="53.[151,1437,151,1076]" box="[199,695,692,716]" pageId="53" pageNumber="54">
<emphasis id="B901EAF9EC24FFE16F8DFD51A0D9F8DA" box="[199,449,692,716]" italics="true" pageId="53" pageNumber="54">Mandible and Maxilla</emphasis>
. Same as in the male.
</paragraph>
<paragraph id="8BCA36EBEC24FFE16F8DFD3DA48EF94A" blockId="53.[151,1437,151,1076]" pageId="53" pageNumber="54">
<emphasis id="B901EAF9EC24FFE16F8DFD3DA025F8E6" box="[199,317,728,752]" italics="true" pageId="53" pageNumber="54">Fifth limb.</emphasis>
The setal formula of the epipodial appendage is the same as in the male. The basale has five ventral setae (4 +1), no (?) lateral seta, and the usual two dorsal setae, one with long setules and the other bare and longer. The first endopodite segment has a pair of medial ventral setae and a single medial dorsal seta. The length ratios of the terminal seta of the second segment are 78:100:76; the longest seta is 7.6%CL and 65% the length of the limb.
</paragraph>
<paragraph id="8BCA36EBEC24FFE16F8DFC8DA575F9FA" blockId="53.[151,1437,151,1076]" pageId="53" pageNumber="54">
<emphasis id="B901EAF9EC24FFE16F8DFC8DA027F996" box="[199,319,872,896]" italics="true" pageId="53" pageNumber="54">Sixth limb.</emphasis>
The epipodial appendage has three groups of setae, 6+5+5 as in the male. The basale has four ventral setae (2+2), a single lateral seta, and a short dorsal seta. The second segment has a single medial ventral seta, and the second segment single medial setae dorsally and ventrally. The length ratios of the terminal setae on the third segment are 65:100:44; the longest seta is 11%CL and 85% the length of the limb.
</paragraph>
<paragraph id="8BCA36EBEC24FFE16F8DFC12A5C2FE22" blockId="53.[151,1437,151,1076]" pageId="53" pageNumber="54">
<emphasis id="B901EAF9EC24FFE16F8DFC12A075FE06" bold="true" box="[199,365,1015,1040]" inLineHeading="true" pageId="53" pageNumber="54" reason="1">Comparisons.</emphasis>
<taxonomicName id="4C754D68EC24FFE16E3EFC1DA319FE06" authorityName="Chavtur &amp; Angel" authorityYear="2011" box="[372,513,1016,1040]" class="Ostracoda" family="Halocyprididae" genus="Rotundoecia" kingdom="Animalia" order="Halocyprida" pageId="53" pageNumber="54" phylum="Arthropoda" rank="genus">
<emphasis id="B901EAF9EC24FFE16E3EFC1DA319FE06" box="[372,513,1016,1040]" italics="true" pageId="53" pageNumber="54">Rotundoecia</emphasis>
</taxonomicName>
is most similar to 
<emphasis id="B901EAF9EC24FFE16D9FFC1DA28EFE06" box="[725,918,1016,1040]" italics="true" pageId="53" pageNumber="54">
<taxonomicName id="4C754D68EC24FFE16D9FFC1DA28AFE06" authorityName="Chavtur &amp; Angel" authorityYear="2011" box="[725,914,1016,1040]" class="Ostracoda" family="Halocyprididae" genus="Metaconchoecia" kingdom="Animalia" order="Halocyprida" pageId="53" pageNumber="54" phylum="Arthropoda" rank="genus">Metaconchoecia</taxonomicName>
.
</emphasis>
The characters that are most clearly discriminate these two genera are summarized in 
<tableCitation id="C6F70350EC24FFE16D2CFBF9A3A0FE22" box="[614,696,1052,1076]" captionStart="TABLE 9" captionStartId="53.[151,235,1123,1146]" captionText="TABLE 9. Characters that discriminate between the genera Rotundoecia and Metaconchoecia." pageId="53" pageNumber="54">Table 9</tableCitation>
and Appendices 1–3, and illustrated in 
<figureCitation id="134E2A6EEC24FFE16B3FFBF9A5CEFE22" box="[1141,1238,1052,1076]" captionStart="FIGURE 2" captionStartId="11.[151,250,1853,1876]" captionTargetBox="[223,1384,474,1820]" captionTargetId="figure-629@11.[197,1387,469,1825]" captionTargetPageId="11" captionText="FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified)." figureDoi="http://doi.org/10.5281/zenodo.5286583" httpUri="https://zenodo.org/record/5286583/files/figure.png" pageId="53" pageNumber="54">Figure 2</figureCitation>
.
</paragraph>
</subSubSection>
<caption id="DF0A6663EC24FFE16FDDFB86A54DFE6F" box="[151,1109,1123,1146]" pageId="53" pageNumber="54" startId="53.[151,235,1123,1146]">
<paragraph id="8BCA36EBEC24FFE16FDDFB86A54DFE6F" blockId="53.[151,1109,1123,1146]" box="[151,1109,1123,1146]" pageId="53" pageNumber="54">
<emphasis id="B901EAF9EC24FFE16FDDFB86A01CFE6C" bold="true" box="[151,260,1123,1146]" pageId="53" pageNumber="54">TABLE 9.</emphasis>
Characters that discriminate between the genera 
<taxonomicName id="4C754D68EC24FFE16DBCFB81A26EFE6C" authorityName="Chavtur &amp; Angel" authorityYear="2011" box="[758,886,1124,1146]" class="Ostracoda" family="Halocyprididae" genus="Rotundoecia" kingdom="Animalia" order="Halocyprida" pageId="53" pageNumber="54" phylum="Arthropoda" rank="genus">
<emphasis id="B901EAF9EC24FFE16DBCFB81A26EFE6C" box="[758,886,1124,1146]" italics="true" pageId="53" pageNumber="54">Rotundoecia</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C754D68EC24FFE16CEDFB81A556FE6C" authorityName="Chavtur &amp; Angel" authorityYear="2011" box="[935,1102,1124,1146]" class="Ostracoda" family="Halocyprididae" genus="Metaconchoecia" kingdom="Animalia" order="Halocyprida" pageId="53" pageNumber="54" phylum="Arthropoda" rank="genus">
<emphasis id="B901EAF9EC24FFE16CEDFB81A556FE6C" box="[935,1102,1124,1146]" italics="true" pageId="53" pageNumber="54">Metaconchoecia</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
<paragraph id="8BCA36EBEC24FFE16FD5FB70A590FCE1" pageId="53" pageNumber="54">
<table id="F975C44BEC24002B6FD5FB70A47EFCE1" box="[159,1382,1173,1783]" gridcols="3" gridrows="13" pageId="53" pageNumber="54">
<tr id="354534A9EC24002B6FD5FB70A47EFEBD" box="[159,1382,1173,1195]" gridrow="0" pageId="53" pageNumber="54">
<th id="76945DD5EC24002B6FD5FB70A087FEBD" box="[159,415,1173,1195]" gridcol="0" gridrow="0" pageId="53" pageNumber="54">Characters</th>
<th id="76945DD5EC24002B6D7AFB70A2A4FEBD" box="[560,956,1173,1195]" gridcol="1" gridrow="0" pageId="53" pageNumber="54">
<taxonomicName id="4C754D68EC24FFE16D7AFB70A3A8FEBD" authorityName="Chavtur &amp; Angel" authorityYear="2011" box="[560,688,1173,1195]" class="Ostracoda" family="Halocyprididae" genus="Rotundoecia" kingdom="Animalia" order="Halocyprida" pageId="53" pageNumber="54" phylum="Arthropoda" rank="genus">
<emphasis id="B901EAF9EC24FFE16D7AFB70A3A8FEBD" box="[560,688,1173,1195]" italics="true" pageId="53" pageNumber="54">Rotundoecia</emphasis>
</taxonomicName>
</th>
<th id="76945DD5EC24002B6CBDFB70A47EFEBD" box="[1015,1382,1173,1195]" gridcol="2" gridrow="0" pageId="53" pageNumber="54">
<taxonomicName id="4C754D68EC24FFE16CBDFB70A587FEBD" authorityName="Chavtur &amp; Angel" authorityYear="2011" box="[1015,1183,1173,1195]" class="Ostracoda" family="Halocyprididae" genus="Metaconchoecia" kingdom="Animalia" order="Halocyprida" pageId="53" pageNumber="54" phylum="Arthropoda" rank="genus">
<emphasis id="B901EAF9EC24FFE16CBDFB70A587FEBD" box="[1015,1183,1173,1195]" italics="true" pageId="53" pageNumber="54">Metaconchoecia</emphasis>
</taxonomicName>
</th>
</tr>
<tr id="354534A9EC24002B6FD5FB5AA47EFEC2" box="[159,1382,1215,1236]" gridrow="1" pageId="53" pageNumber="54">
<th id="76945DD5EC24002B6FD5FB5AA47EFEC2" box="[159,1382,1215,1236]" colspan="3" colspanRight="2" gridcol="0" gridrow="1" pageId="53" pageNumber="54">
<emphasis id="B901EAF9EC24FFE16FD5FB5AA1CEFEC2" bold="true" box="[159,214,1215,1236]" pageId="53" pageNumber="54">Male</emphasis>
.
</th>
</tr>
<tr id="354534A9EC24002B6FD5FB0DA47EFEE8" box="[159,1382,1256,1278]" gridrow="2" pageId="53" pageNumber="54">
<th id="76945DD5EC24002B6FD5FB0DA087FEE8" box="[159,415,1256,1278]" gridcol="0" gridrow="2" pageId="53" pageNumber="54">
<emphasis id="B901EAF9EC24FFE16FEFFB0DA011FEE8" box="[165,265,1256,1278]" italics="true" pageId="53" pageNumber="54">Carapace</emphasis>
: CH as %CL
</th>
<td id="76945DD5EC24002B6D7AFB0DA2A4FEE8" box="[560,956,1256,1278]" gridcol="1" gridrow="2" pageId="53" pageNumber="54">51–60%</td>
<td id="76945DD5EC24002B6CBDFB0DA47EFEE8" box="[1015,1382,1256,1278]" gridcol="2" gridrow="2" pageId="53" pageNumber="54">42–55% (mostly &lt;50%)</td>
</tr>
<tr id="354534A9EC24002B6FD5FAF4A47EFF31" box="[159,1382,1297,1319]" gridrow="3" pageId="53" pageNumber="54">
<th id="76945DD5EC24002B6FD5FAF4A087FF31" box="[159,415,1297,1319]" gridcol="0" gridrow="3" pageId="53" pageNumber="54">RAG opening</th>
<td id="76945DD5EC24002B6D7AFAF4A2A4FF31" box="[560,956,1297,1319]" gridcol="1" gridrow="3" pageId="53" pageNumber="54">Close to PDC</td>
<td id="76945DD5EC24002B6CBDFAF4A47EFF31" box="[1015,1382,1297,1319]" gridcol="2" gridrow="3" pageId="53" pageNumber="54">1.6–7.4%CH</td>
</tr>
<tr id="354534A9EC24002B6FD5FADFA47EFF79" box="[159,1382,1338,1391]" gridrow="4" pageId="53" pageNumber="54">
<th id="76945DD5EC24002B6FD5FADFA087FF79" box="[159,415,1338,1391]" gridcol="0" gridrow="4" pageId="53" pageNumber="54">
<emphasis id="B901EAF9EC24FFE16FEFFADFA02BFF46" box="[165,307,1338,1360]" italics="true" pageId="53" pageNumber="54">Frontal organ</emphasis>
capitulum Morphology
</th>
<td id="76945DD5EC24002B6D7AFADFA2A4FF79" box="[560,956,1338,1391]" gridcol="1" gridrow="4" pageId="53" pageNumber="54">dorsal side slightly concave</td>
<td id="76945DD5EC24002B6CBDFADFA47EFF79" box="[1015,1382,1338,1391]" gridcol="2" gridrow="4" pageId="53" pageNumber="54">dorsal side usually strongly concave</td>
</tr>
<tr id="354534A9EC24002B6FD5FA67A47EFFA1" box="[159,1382,1410,1463]" gridrow="5" pageId="53" pageNumber="54">
<th id="76945DD5EC24002B6FD5FA67A087FFA1" box="[159,415,1410,1463]" gridcol="0" gridrow="5" pageId="53" pageNumber="54">
<emphasis id="B901EAF9EC24FFE16FEFFA66A036FF8E" box="[165,302,1411,1432]" italics="true" pageId="53" pageNumber="54">First antenna</emphasis>
: e–seta armature
</th>
<td id="76945DD5EC24002B6D7AFA67A2A4FFA1" box="[560,956,1410,1463]" gridcol="1" gridrow="5" pageId="53" pageNumber="54">9–11 pairs of spines</td>
<td id="76945DD5EC24002B6CBDFA67A47EFFA1" box="[1015,1382,1410,1463]" gridcol="2" gridrow="5" pageId="53" pageNumber="54">7–15 pairs of spines</td>
</tr>
<tr id="354534A9EC24002B6FD5FA2FA47EFFF6" box="[159,1382,1482,1504]" gridrow="6" pageId="53" pageNumber="54">
<th id="76945DD5EC24002B6FD5FA2FA47EFFF6" box="[159,1382,1482,1504]" colspan="3" colspanRight="2" gridcol="0" gridrow="6" pageId="53" pageNumber="54">
<emphasis id="B901EAF9EC24FFE16FEFFA2FA05DFFF6" box="[165,325,1482,1504]" italics="true" pageId="53" pageNumber="54">Second antenna</emphasis>
:
</th>
</tr>
<tr id="354534A9EC24002B6FD5FA16A47EFC1F" box="[159,1382,1523,1545]" gridrow="7" pageId="53" pageNumber="54">
<th id="76945DD5EC24002B6FD5FA16A087FC1F" box="[159,415,1523,1545]" gridcol="0" gridrow="7" pageId="53" pageNumber="54">right hook morphology</th>
<td id="76945DD5EC24002B6D7AFA16A2A4FC1F" box="[560,956,1523,1545]" gridcol="1" gridrow="7" pageId="53" pageNumber="54">strongly curved</td>
<td id="76945DD5EC24002B6CBDFA16A47EFC1F" box="[1015,1382,1523,1545]" gridcol="2" gridrow="7" pageId="53" pageNumber="54">slightly curved</td>
</tr>
<tr id="354534A9EC24002B6FD5F9F8A47EFC25" box="[159,1382,1565,1587]" gridrow="8" pageId="53" pageNumber="54">
<th id="76945DD5EC24002B6FD5F9F8A087FC25" box="[159,415,1565,1587]" gridcol="0" gridrow="8" pageId="53" pageNumber="54">left hook morphology</th>
<td id="76945DD5EC24002B6D7AF9F8A2A4FC25" box="[560,956,1565,1587]" gridcol="1" gridrow="8" pageId="53" pageNumber="54">strongly curved</td>
<td id="76945DD5EC24002B6CBDF9F8A47EFC25" box="[1015,1382,1565,1587]" gridcol="2" gridrow="8" pageId="53" pageNumber="54">almost straight</td>
</tr>
<tr id="354534A9EC24002B6FD5F9A3A47EFC6D" box="[159,1382,1606,1659]" gridrow="9" pageId="53" pageNumber="54">
<th id="76945DD5EC24002B6FD5F9A3A087FC6D" box="[159,415,1606,1659]" gridcol="0" gridrow="9" pageId="53" pageNumber="54">Copulatory appendage</th>
<td id="76945DD5EC24002B6D7AF9A3A2A4FC6D" box="[560,956,1606,1659]" gridcol="1" gridrow="9" pageId="53" pageNumber="54">distally very broad, terminally strongly tapered with large stylet near tip</td>
<td id="76945DD5EC24002B6CBDF9A3A47EFC6D" box="[1015,1382,1606,1659]" gridcol="2" gridrow="9" pageId="53" pageNumber="54">Either straight or distally somewhat broadened, end blunt, lacks a stylet</td>
</tr>
<tr id="354534A9EC24002B6FD5F96AA47EFCB2" box="[159,1382,1679,1700]" gridrow="10" pageId="53" pageNumber="54">
<th id="76945DD5EC24002B6FD5F96AA47EFCB2" box="[159,1382,1679,1700]" colspan="3" colspanRight="2" gridcol="0" gridrow="10" pageId="53" pageNumber="54">
<emphasis id="B901EAF9EC24FFE16FD5F96AA1F6FCB2" bold="true" box="[159,238,1679,1700]" pageId="53" pageNumber="54">Female</emphasis>
.
</th>
</tr>
<tr id="354534A9EC24002B6FD5F95DA47EFCD8" box="[159,1382,1720,1742]" gridrow="11" pageId="53" pageNumber="54">
<th id="76945DD5EC24002B6FD5F95DA087FCD8" box="[159,415,1720,1742]" gridcol="0" gridrow="11" pageId="53" pageNumber="54">
<emphasis id="B901EAF9EC24FFE16FEFF95DA011FCD8" box="[165,265,1720,1742]" italics="true" pageId="53" pageNumber="54">Carapace</emphasis>
: CH as %CL
</th>
<td id="76945DD5EC24002B6D7AF95DA2A4FCD8" box="[560,956,1720,1742]" gridcol="1" gridrow="11" pageId="53" pageNumber="54">52–60%</td>
<td id="76945DD5EC24002B6CBDF95DA47EFCD8" box="[1015,1382,1720,1742]" gridcol="2" gridrow="11" pageId="53" pageNumber="54">43–58%</td>
</tr>
<tr id="354534A9EC24002B6FD5F904A47EFCE1" box="[159,1382,1761,1783]" gridrow="12" pageId="53" pageNumber="54">
<th id="76945DD5EC24002B6FD5F904A087FCE1" box="[159,415,1761,1783]" gridcol="0" gridrow="12" pageId="53" pageNumber="54">RAG opening</th>
<td id="76945DD5EC24002B6D7AF904A2A4FCE1" box="[560,956,1761,1783]" gridcol="1" gridrow="12" pageId="53" pageNumber="54">at PDC</td>
<td id="76945DD5EC24002B6CBDF904A47EFCE1" box="[1015,1382,1761,1783]" gridcol="2" gridrow="12" pageId="53" pageNumber="54">1.5–10.6%CH</td>
</tr>
</table>
</paragraph>
<subSubSection id="C36F6560EC24FFE26F8DF8FDA05DF94A" lastPageId="54" lastPageNumber="55" pageId="53" pageNumber="54" type="discussion">
<paragraph id="8BCA36EBEC24FFE26F8DF8FDA093FBE2" blockId="53.[151,1436,1815,2020]" lastBlockId="54.[151,1436,151,1076]" lastPageId="54" lastPageNumber="55" pageId="53" pageNumber="54">
<emphasis id="B901EAF9EC24FFE16F8DF8FDA023FD26" bold="true" box="[199,315,1816,1840]" inLineHeading="true" pageId="53" pageNumber="54" reason="1">Remarks.</emphasis>
<bibRefCitation id="EFE44B1AEC24FFE16E08F8F2A0A6FD39" author="Iles" box="[322,446,1815,1839]" firstAuthor="Iles" pageId="53" pageNumber="54" pagination="259 - 280" refId="ref56554" refString="Iles, E. J. (1953) A preliminary report on the Ostracoda of the Benguela Current. Discovery Report, 26, 259 - 280." type="journal article" year="1953">Iles (1953)</bibRefCitation>
, when first describing 
<taxonomicName id="4C754D68EC24FFE16DF4F8FDA2CFFD26" authorityName="Iles" authorityYear="1953" box="[702,983,1816,1840]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="53" pageNumber="54" phylum="Arthropoda" rank="species" species="teretivalvata">
<emphasis id="B901EAF9EC24FFE16DF4F8FDA2CFFD26" box="[702,983,1816,1840]" italics="true" pageId="53" pageNumber="54">Conchoecia teretivalvata</emphasis>
</taxonomicName>
, implied that it is conspecific with 
<bibRefCitation id="EFE44B1AEC24FFE16A2EF8F2A005FD42" author="Muller's" firstAuthor="Muller's" pageId="53" pageNumber="54" pagination="1 - 104" refId="ref57119" refString="Muller, G. W. (1894) Die Ostracoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. Fauna und Flora des Golfes von Neapel und der angrenzenden Meeresabschnitte, 21, 1 - 104." type="journal article" year="1894">Müller’s (1894)</bibRefCitation>
<taxonomicName id="4C754D68EC24FFE16E6DF8D9A33CFD42" authorityName="Muller" authorityYear="1890" box="[295,548,1852,1876]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="53" pageNumber="54" phylum="Arthropoda" rank="species" species="rotundata">
<emphasis id="B901EAF9EC24FFE16E6DF8D9A33CFD42" box="[295,548,1852,1876]" italics="true" pageId="53" pageNumber="54">Conchoecia rotundata</emphasis>
</taxonomicName>
short form from the Mediterranean and Müller’s coloured illustration (1894 plate 8 fig. 23) appears to support Iles’s conclusion. 
<bibRefCitation id="EFE44B1AEC24FFE16DA5F8BAA283FD61" author="Gooday" box="[751,923,1887,1911]" firstAuthor="Gooday" pageId="53" pageNumber="54" pagination="137 - 209" refId="ref56187" refString="Gooday, A. J. (1981) The Conchoecia skogsbergi species complex (Ostracoda, Halocyprididae) in the Atlantic Ocean. Bulletin of the British Museum (Natural History) Zoology, 40, 137 - 209." type="journal article" year="1981">Gooday (1981)</bibRefCitation>
retained the name 
<taxonomicName id="4C754D68EC24FFE16B3DF885A46AFD6E" authorityName="Muller" authorityYear="1890" box="[1143,1394,1888,1912]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="53" pageNumber="54" phylum="Arthropoda" rank="species" species="rotundata">
<emphasis id="B901EAF9EC24FFE16B3DF885A46AFD6E" box="[1143,1394,1888,1912]" italics="true" pageId="53" pageNumber="54">Conchoecia rotundata</emphasis>
</taxonomicName>
for another suitably sized and shaped 
<taxonomicName id="4C754D68EC24FFE16D6BF861A22CFD8A" box="[545,820,1924,1948]" class="Ostracoda" family="Halocyprididae" genus="Metaconchoecia" kingdom="Animalia" order="Halocyprida" pageId="53" pageNumber="54" phylum="Arthropoda" rank="species" species="undetermined">
<emphasis id="B901EAF9EC24FFE16D6BF861A3C2FD8A" box="[545,730,1924,1948]" italics="true" pageId="53" pageNumber="54">Metaconchoecia</emphasis>
species
</taxonomicName>
that occurs in the North Atlantic outside the Strait of 
<collectingCountry id="F362767BEC24FFE16FDDF842A1E6FDA9" box="[151,254,1959,1983]" name="Gibraltar" pageId="53" pageNumber="54">Gibraltar</collectingCountry>
. However, in his original description of 
<taxonomicName id="4C754D68EC24FFE16D80F84DA2DDFDD6" authorityName="Muller" authorityYear="1890" box="[714,965,1960,1984]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="53" pageNumber="54" phylum="Arthropoda" rank="species" species="rotundata">
<emphasis id="B901EAF9EC24FFE16D80F84DA2DDFDD6" box="[714,965,1960,1984]" italics="true" pageId="53" pageNumber="54">Conchoecia rotundata</emphasis>
</taxonomicName>
from the Pacific 
<bibRefCitation id="EFE44B1AEC24FFE16BC4F842A436FDA9" author="Muller" box="[1166,1326,1959,1983]" firstAuthor="Muller" pageId="53" pageNumber="54" pagination="253 - 280" refId="ref57084" refString="Muller, G. W. (1890) Ueber Halocypriden. Zoologische Jahrbucher. Abtheilung fur Systematik, Geographie und Biologie der Thiere, 5, 211 - 252, 253 - 280." type="journal article" year="1890">Müller (1890)</bibRefCitation>
gives the length of the species to be 
<quantity id="4C8D9B0EEC24FFE16E83F829A329FDF5" box="[457,561,1996,2020]" metricMagnitude="-3" metricUnit="m" metricValue="1.15" pageId="53" pageNumber="54" unit="mm" value="1.15">1.15 mm</quantity>
, so confirmation of the identity of both of the Mediterranean species (maybe both forms) and the Atlantic species is still needed. Sizes of specimens collected elsewhere in the tropical and temperate North Atlantic have all fallen within the size range given by 
<bibRefCitation id="EFE44B1AEC27FFE26CFEFF59A529FAC2" author="Iles" box="[948,1073,188,212]" firstAuthor="Iles" pageId="54" pageNumber="55" pagination="259 - 280" refId="ref56554" refString="Iles, E. J. (1953) A preliminary report on the Ostracoda of the Benguela Current. Discovery Report, 26, 259 - 280." type="journal article" year="1953">Iles (1953)</bibRefCitation>
for 
<taxonomicName id="4C754D68EC27FFE26B2DFF58A40EFAC2" authorityName="Iles" authorityYear="1953" box="[1127,1302,188,212]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="54" pageNumber="55" phylum="Arthropoda" rank="species" species="teretivalvata">
<emphasis id="B901EAF9EC27FFE26B2DFF58A40EFAC2" box="[1127,1302,188,212]" italics="true" pageId="54" pageNumber="55">R. teretivalvata</emphasis>
</taxonomicName>
. One of us (MVA) has re-examined material identified by 
<bibRefCitation id="EFE44B1AEC27FFE26DE2FF3AA23AFAE1" author="Iles" box="[680,802,223,247]" firstAuthor="Iles" pageId="54" pageNumber="55" pagination="259 - 280" refId="ref56554" refString="Iles, E. J. (1953) A preliminary report on the Ostracoda of the Benguela Current. Discovery Report, 26, 259 - 280." type="journal article" year="1953">Iles (1953)</bibRefCitation>
as 
<taxonomicName id="4C754D68EC27FFE26C03FF05A57BFAEE" authorityName="Iles" authorityYear="1953" box="[841,1123,224,248]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="54" pageNumber="55" phylum="Arthropoda" rank="species" species="teretivalvata">
<emphasis id="B901EAF9EC27FFE26C03FF05A57BFAEE" box="[841,1123,224,248]" italics="true" pageId="54" pageNumber="55">Conchoecia teretivalvata</emphasis>
</taxonomicName>
and found in amongst typically sized specimens a few specimens that are&gt;1.0 mm in length. Similar larger sized specimens also occurred in material collected by RRS 
<emphasis id="B901EAF9EC27FFE26E88FECDA39BFB56" box="[450,643,296,320]" italics="true" pageId="54" pageNumber="55">William Scoresby</emphasis>
close to 
<collectingCountry id="F362767BEC27FFE26DACFEC2A29FFB29" box="[742,903,295,319]" name="South Georgia and the South Sandwich Islands" pageId="54" pageNumber="55">South Georgia</collectingCountry>
(Station WS 143, at 
<geoCoordinate id="EE41502CEC27FFE26B24FEC2A5CAFB29" box="[1134,1234,295,319]" degrees="53" direction="south" minutes="58" orientation="latitude" pageId="54" pageNumber="55" precision="925" value="-53.966667">53° 58’S</geoCoordinate>
, 
<geoCoordinate id="EE41502CEC27FFE26B94FEC2A456FB29" box="[1246,1358,295,319]" degrees="40" direction="west" minutes="30" orientation="longitude" pageId="54" pageNumber="55" precision="925" value="-40.5">40° 30’W</geoCoordinate>
); these large forms may well prove to be different 
<taxonomicName id="4C754D68EC27FFE26DDFFEA9A29EFB72" box="[661,902,332,356]" class="Ostracoda" family="Halocyprididae" genus="Rotundoecia" kingdom="Animalia" order="Halocyprida" pageId="54" pageNumber="55" phylum="Arthropoda" rank="species" species="undetermined">
<emphasis id="B901EAF9EC27FFE26DDFFEA9A23BFB72" box="[661,803,332,356]" italics="true" pageId="54" pageNumber="55">Rotundoecia</emphasis>
species.
</taxonomicName>
<bibRefCitation id="EFE44B1AEC27FFE26CDAFEA9A52DFB72" author="Deevey" box="[912,1077,332,356]" firstAuthor="Deevey" pageId="54" pageNumber="55" pagination="351 - 380" refId="ref55545" refString="Deevey, G. B. (1974) Pelagic ostracods collected on Hudson ' 70 between the equator and 55 ° S in the Atlantic. Proceedings of the Biological Society of Washington, 87, 351 - 380." type="journal article" year="1974">Deevey (1974</bibRefCitation>
: 
<figureCitation id="134E2A6EEC27FFE26B0EFEA9A419FB72" box="[1092,1281,332,356]" captionStart="FIGURE 4" captionStartId="13.[151,250,1769,1792]" captionTargetBox="[246,1337,198,1724]" captionTargetId="figure-155@13.[241,1343,193,1730]" captionTargetPageId="13" captionText="FIGURE 4. Comparisons between the carapace outlines (lateral and ventral, if available) of females of representative species of all the new genera. Nasoecia nasotuberculata (redrawn from Angel 1981, Fig 1a); Kyrtoecia kyrtophora (redrawn from Angel 1999, Fig. 4); Rotundoecia teretivalvata (redrawn from Angel 1981b, Fig. 194-88); Clausoecia pusilla (redrawn from Angel 1981b, Fig. 194-76); Austrinoecia isocheira (original drawing of specimen from Discovery station 9969#4 58° 56’.06’S; 20° 20.06’E, depth 1000-1250m, 22/02/1979); Deeveyoecia bathyrotundata (redrawn from Chavtur 1977c, Fig. 6a); Deeveyoecia aff. arcuata 1(Angel 1999, Fig 9.59); Vityazoecia lunata (original drawing, Polarstern station 114/4, 17/02/2002, 61° 43.59’S; 60° 42.52’W); Vityazoecia goodayi (redrawn from Chavtur 1987, Fig. 1); Juryoecia abyssalis (redrawn from Rudjakov 1962, Fig. 1A); Juryoecia distoglandula (see Fig. 8A); Muelleroecia glandulosa (redrawn from Angel 1981, Fig. 9.63); Muelleroecia aff. macromma 4 (redrawn from Angel 1999, Fig. 9.68)." figureDoi="http://doi.org/10.5281/zenodo.5286591" httpUri="https://zenodo.org/record/5286591/files/figure.png" pageId="54" pageNumber="55">Fig. 4a, c–e, j, l</figureCitation>
) illustrated a “larger form” of 
<taxonomicName id="4C754D68EC27FFE26E18FE95A373FB9E" authorityName="Iles" authorityYear="1953" box="[338,619,368,392]" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="54" pageNumber="55" phylum="Arthropoda" rank="species" species="teretivalvata">
<emphasis id="B901EAF9EC27FFE26E18FE95A373FB9E" box="[338,619,368,392]" italics="true" pageId="54" pageNumber="55">Conchoecia teretivalvata</emphasis>
</taxonomicName>
from the South Atlantic, and showed both sexes as having carapaces that are less globose than the typical form (
<collectingCountry id="F362767BEC27FFE26D01FE71A36BFBBA" box="[587,627,404,428]" name="Switzerland" pageId="54" pageNumber="55">CH</collectingCountry>
50%CL compared with the typical 
<collectingCountry id="F362767BEC27FFE26B4CFE71A535FBBA" box="[1030,1069,404,428]" name="Switzerland" pageId="54" pageNumber="55">CH</collectingCountry>
of 55–60%CL). Thus we expect that the number of species attributed to this genus will increase as more material, particularly from high southern latitudes is examined.
</paragraph>
<paragraph id="8BCA36EBEC27FFE26F8DFE1AA05DF94A" blockId="54.[151,1436,151,1076]" pageId="54" pageNumber="55">
<materialsCitation id="3B1D3CB6EC27FFE26F8DFE1AA05AF94A" collectingDate="1950-03-06" county="William Scoresby station" elevation="100" latitude="-22.65" location="Believing" longLatPrecision="1259" longitude="12.266666" municipality="Both" pageId="54" pageNumber="55" specimenCount="103" specimenCount-female="2" specimenCount-male="1" typeStatus="holotype">
<location id="8EAA6030EC27FFE26F8DFE1AA02CF801" LSID="urn:lsid:plazi:treatment:03DC87FDEC22FFE26FDCFBB8A2B6FE22:8EAA6030EC27FFE26F8DFE1AA02CF801" box="[199,308,511,535]" county="William Scoresby station" latitude="-22.65" longLatPrecision="1259" longitude="12.266666" municipality="Both" name="Believing" pageId="54" pageNumber="55">Believing</location>
<bibRefCitation id="EFE44B1AEC27FFE26E71FE1AA0ADF801" author="Iles" box="[315,437,511,535]" firstAuthor="Iles" pageId="54" pageNumber="55" pagination="259 - 280" refId="ref56554" refString="Iles, E. J. (1953) A preliminary report on the Ostracoda of the Benguela Current. Discovery Report, 26, 259 - 280." type="journal article" year="1953">Iles (1953)</bibRefCitation>
had failed to designate either type specimens or a type locality for 
<taxonomicName id="4C754D68EC27FFE26BE3FDE5A1DFF82A" authorityName="Iles" authorityYear="1953" class="Ostracoda" family="Halocyprididae" genus="Conchoecia" kingdom="Animalia" order="Halocyprida" pageId="54" pageNumber="55" phylum="Arthropoda" rank="species" species="teretivalvata">
<emphasis id="B901EAF9EC27FFE26BE3FDE5A1DFF82A" italics="true" pageId="54" pageNumber="55">Conchoecia teretivalvata</emphasis>
</taxonomicName>
in his original description, so we selected a male and a female from 
<location id="8EAA6030EC27FFE26C98FDC1A515F82A" LSID="urn:lsid:plazi:treatment:03DC87FDEC22FFE26FDCFBB8A2B6FE22:8EAA6030EC27FFE26C98FDC1A515F82A" box="[978,1037,548,572]" county="William Scoresby station" latitude="-22.65" longLatPrecision="1259" longitude="12.266666" municipality="Both" name="Iles's" pageId="54" pageNumber="55">Iles’s</location>
original 
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samples to serve as comparative material for the species. 
<collectingMunicipality id="6BAEAC91EC27FFE26DF5FDA2A3EDF849" box="[703,757,583,607]" pageId="54" pageNumber="55">Both</collectingMunicipality>
specimens are from RSS 
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<emphasis id="B901EAF9EC27FFE26B56FDADA5C6F876" box="[1052,1246,584,608]" italics="true" pageId="54" pageNumber="55">William Scoresby</emphasis>
station
</collectingCounty>
WS 977, (
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<collectingDate id="EF8FE9C3EC27FFE26FD5FD89A05DF892" box="[159,325,620,644]" pageId="54" pageNumber="55" value="1950-03-06">6 March 1950</collectingDate>
</date>
) 
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, 
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, and were collected from a depth of 250– 
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<quantity id="4C8D9B0EEC27FFE26B5CFD89A54EF892" box="[1046,1110,620,644]" metricMagnitude="2" metricUnit="m" metricValue="1.0" pageId="54" pageNumber="55" unit="m" value="100.0">
<elevation id="0058D1D8EC27FFE26B5CFD89A54EF892" box="[1046,1110,620,644]" metricMagnitude="2" metricUnit="m" metricValue="1.0" pageId="54" pageNumber="55" unit="m" value="100.0">100m</elevation>
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.
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These have been deposited together in the British Museum (Natural History)(
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2004.2552, 
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2004.2553). However, when going through an accumulation of material rescued from Iles’s garage two years after his death, slides of dissected male and female specimens were found which had been clearly marked as types. These slides have been deposited in the British Museum (Natural History)— 
<typeStatus id="54CE8849EC27FFE26EAAFD19A35AF902" box="[480,578,764,788]" pageId="54" pageNumber="55" type="holotype">holotype</typeStatus>
a male 2009.262, 
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<specimenCount id="9D73FD62EC27FFE26CC1FD19A50DF902" box="[907,1045,764,788]" pageId="54" pageNumber="55" type="female">two females</specimenCount>
2009.263 and 264. Entirely fortuitously the type material came from exactly the same sample from which the comparative material had been selected earlier
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C36F6560EC27FFE26F8DFC82A2B6FE22" pageId="54" pageNumber="55" type="distribution">
<paragraph id="8BCA36EBEC27FFE26F8DFC82A2B6FE22" blockId="54.[151,1436,151,1076]" pageId="54" pageNumber="55">
<emphasis id="B901EAF9EC27FFE26F8DFC82A078F996" bold="true" box="[199,352,871,896]" inLineHeading="true" pageId="54" pageNumber="55" reason="1">Distribution.</emphasis>
Atlantic Ocean and Mediterranean Sea: occurs in the latitude range from 60ºN to 49ºS (
<bibRefCitation id="EFE44B1AEC27FFE26A04FC82A1CAF9B2" author="Muller" firstAuthor="Muller" pageId="54" pageNumber="55" pagination="1 - 104" refId="ref57119" refString="Muller, G. W. (1894) Die Ostracoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. Fauna und Flora des Golfes von Neapel und der angrenzenden Meeresabschnitte, 21, 1 - 104." type="journal article" year="1894">Müller 1894</bibRefCitation>
; 
<bibRefCitation id="EFE44B1AEC27FFE26FAAFC69A056F9B2" author="Iles" box="[224,334,908,932]" firstAuthor="Iles" pageId="54" pageNumber="55" pagination="259 - 280" refId="ref56554" refString="Iles, E. J. (1953) A preliminary report on the Ostracoda of the Benguela Current. Discovery Report, 26, 259 - 280." type="journal article" year="1953">Iles 1953</bibRefCitation>
; 
<bibRefCitation id="EFE44B1AEC27FFE26E17FC69A0EBF9B2" author="Angel" box="[349,499,908,932]" firstAuthor="Angel" pageId="54" pageNumber="55" pagination="1 - 6" refId="ref53519" refString="Angel, M. V. (1968 a) Conchoecia skogsbergi (Iles), a halocyprid ostracod new to the Norwegian Sea. Sarsia, 33, 1 - 6." type="journal article" year="1968" yearSuffix="a">Angel 1968a</bibRefCitation>
, 
<bibRefCitation id="EFE44B1AEC27FFE26D4BFC69A323F9B2" author="Angel" box="[513,571,908,932]" firstAuthor="Angel" pageId="54" pageNumber="55" pagination="239 - 252" refId="ref53657" refString="Angel, M. V. (1977) Studies on Atlantic halocyprid ostracods: vertical distributions of the species in the top 1000 m in the vicinity of 44 ° N, 13 ° W. Journal of the Marine Biological Association of the United Kingdom 57, 239 - 252." type="journal article" year="1977">1977</bibRefCitation>
, 
<bibRefCitation id="EFE44B1AEC27FFE26D00FC69A39CF9B2" author="Angel" box="[586,644,908,932]" firstAuthor="Angel" pageId="54" pageNumber="55" pagination="1 - 122" refId="ref53710" refString="Angel, M. V. (1979) Studies on Atlantic halocyprid ostracods: their vertical distributions and community structure in the central gyre region along latitude 30 ° N from off Africa to Bermuda. Progress in Oceanography, 8, 1 - 122." type="journal article" year="1979">1979</bibRefCitation>
, 
<bibRefCitation id="EFE44B1AEC27FFE26DD9FC69A3C4F9B2" author="Angel" box="[659,732,908,932]" firstAuthor="Angel" pageId="54" pageNumber="55" pagination="543 - 585" refId="ref53797" refString="Angel, M. V. (1981 b) Ostracoda. In: Boltovskoy, D (Ed.), Atlas del zooplankton del Atlantico suboccidental y metodos de trabajo con el zooplancton marino, Mar del Plata, Argentina: INIDEP, pp. 543 - 585." type="book chapter" year="1981" yearSuffix="b">1981b</bibRefCitation>
, 
<bibRefCitation id="EFE44B1AEC27FFE26DA0FC69A22BF9B2" author="Angel" box="[746,819,908,932]" firstAuthor="Angel" pageId="54" pageNumber="55" pagination="529 - 548" refId="ref53911" refString="Angel, M. V. (1983 b). A review on the progress of research on halocyprid and other oceanic planktonic ostracods 1972 - 82. In: Maddocks, R. F. (Ed.), Applications of Ostracoda, University of Houston Geoscience Department, Houston Texas, pp 529 - 548." type="book chapter" year="1983" yearSuffix="b">1983b</bibRefCitation>
, 1984; 
<bibRefCitation id="EFE44B1AEC27FFE26CC6FC69A58FF9B2" author="Angel &amp; Fasham" box="[908,1175,908,932]" firstAuthor="Angel" pageId="54" pageNumber="55" pagination="709 - 737" refId="ref54090" refString="Angel, M. V. &amp; Fasham, M. J. R. (1975) Analysis of the vertical and geographical distribution of the abundant species of planktonic ostracods in the Northeast Atlantic. Journal of the Marine Biological Association of the United Kingdom, 55, 709 - 737." type="journal article" year="1975">Angel &amp; Fasham 1975</bibRefCitation>
; 
<bibRefCitation id="EFE44B1AEC27FFE26BEFFC69A458F9B2" author="Deevey" box="[1189,1344,908,932]" firstAuthor="Deevey" pageId="54" pageNumber="55" pagination="351 - 380" refId="ref55545" refString="Deevey, G. B. (1974) Pelagic ostracods collected on Hudson ' 70 between the equator and 55 ° S in the Atlantic. Proceedings of the Biological Society of Washington, 87, 351 - 380." type="journal article" year="1974">Deevey 1974</bibRefCitation>
; 
<bibRefCitation id="EFE44B1AEC27FFE26A05FC69A480F9B2" author="Deevey" box="[1359,1432,908,932]" firstAuthor="Deevey" pageId="54" pageNumber="55" pagination="52 - 73" refId="ref55642" refString="Deevey, G. B. (1978 b) The planktonic ostracods of the Cariaco Trench and adjacent waters. Proceedings of the Biological Society of Washington, 91, 52 - 73." type="journal article" year="1978" yearSuffix="b">1978b</bibRefCitation>
, 
<bibRefCitation id="EFE44B1AEC27FFE26FDDFC4AA02AF9D1" author="Gooday" box="[151,306,943,967]" firstAuthor="Gooday" pageId="54" pageNumber="55" pagination="137 - 209" refId="ref56187" refString="Gooday, A. J. (1981) The Conchoecia skogsbergi species complex (Ostracoda, Halocyprididae) in the Atlantic Ocean. Bulletin of the British Museum (Natural History) Zoology, 40, 137 - 209." type="journal article" year="1981">Gooday 1981</bibRefCitation>
; 
<bibRefCitation id="EFE44B1AEC27FFE26E75FC4AA0AEF9D1" author="Ellis" box="[319,438,943,967]" firstAuthor="Ellis" pageId="54" pageNumber="55" pagination="923 - 949" refId="ref55899" refString="Ellis, C. J. (1985) The effects of proximity to the continental slope sea-bed on pelagic halocyprid ostracods at 49 ° N 13 ° W. Journal of the Marine Biological Association of the United Kingdom, 65, 923 - 949." type="journal article" year="1985">Ellis 1985</bibRefCitation>
). Indian Ocean: known only from 4ºN, 78ºE (
<bibRefCitation id="EFE44B1AEC27FFE26CF7FC4AA543F9D1" author="Gooday" box="[957,1115,943,967]" firstAuthor="Gooday" pageId="54" pageNumber="55" pagination="137 - 209" refId="ref56187" refString="Gooday, A. J. (1981) The Conchoecia skogsbergi species complex (Ostracoda, Halocyprididae) in the Atlantic Ocean. Bulletin of the British Museum (Natural History) Zoology, 40, 137 - 209." type="journal article" year="1981">Gooday 1981</bibRefCitation>
). Pacific Ocean: found from 22ºS to 
<geoCoordinate id="EE41502CEC27FFE26FBAFC31A03FF9FA" box="[240,295,980,1004]" degrees="27" direction="south" orientation="latitude" pageId="54" pageNumber="55" precision="55555" value="-27.0">27°S</geoCoordinate>
(
<bibRefCitation id="EFE44B1AEC27FFE26E7CFC31A0CBF9FA" author="Poulsen" box="[310,467,980,1004]" firstAuthor="Poulsen" pageId="54" pageNumber="55" pagination="1 - 223" refId="ref57376" refString="Poulsen, E. M. (1973) Ostracoda - Myodocopa. 3 b. Halocypriformes - Halocypridae. Conchoecinae. Dana Report, 84, 1 - 223." type="journal article" year="1973">Poulsen 1973</bibRefCitation>
; 
<bibRefCitation id="EFE44B1AEC27FFE26E95FC31A366F9FA" author="Martens" box="[479,638,980,1004]" firstAuthor="Martens" pageId="54" pageNumber="55" pagination="303 - 366" refId="ref57037" refString="Martens, J. M. (1979) Die pelagischen Ostracoden der Expedition Marchile I (Sudost-Pazifik) II: Systematik und Vorkommen (Crustacea: Ostracoda: Myodocopa). Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut, 76, 303 - 366." type="journal article" year="1979">Martens 1979</bibRefCitation>
). 
<bibRefCitation id="EFE44B1AEC27FFE26DD8FC31A258F9FA" author="Deevey" box="[658,832,980,1004]" firstAuthor="Deevey" pageId="54" pageNumber="55" pagination="43 - 70" refId="ref55586" refString="Deevey, G. B. (1978 a) A taxonomic and distributional study of the planktonic ostracods collected on three cruises of the Eltanin in the South Pacific and Antarctic region of the South Pacific. Biology of the Antarctic Seas, 8, Antarctic Research Series, 28, 43 - 70." type="journal article" year="1978" yearSuffix="a">Deevey (1978a</bibRefCitation>
, 
<bibRefCitation id="EFE44B1AEC27FFE26C06FC31A28BF9FA" author="Deevey" box="[844,915,980,1004]" firstAuthor="Deevey" pageId="54" pageNumber="55" pagination="131 - 167" refId="ref55677" refString="Deevey, G. B. (1982 a) A faunistic study of the planktonic ostracods (Myodocopa, Halocyprididae) collected on eleven cruises of the Eltanin between New Zealand, Australia and the Southern Indian Ocean. Biology of the Antarctic Seas, Antarctic Research series, 32, 131 - 167." type="journal article" year="1982" yearSuffix="a">1982a</bibRefCitation>
, 
<bibRefCitation id="EFE44B1AEC27FFE26CD5FC31A2C0F9FA" author="Deevey" box="[927,984,980,1004]" firstAuthor="Deevey" pageId="54" pageNumber="55" pagination="409 - 416" refId="ref55763" refString="Deevey, G. B. (1983) Planktonic ostracods (Myodocopa, Halocyprididae) from six Eltanin cruises in the South Pacific and Antarctic waters. Journal of Crustacean Biology, 3, 409 - 416." type="journal article" year="1983">1983</bibRefCitation>
) extended its range in the Pacific sector of the Southern Ocean to 
<geoCoordinate id="EE41502CEC27FFE26EFCFC12A0E8FE19" box="[438,496,1015,1039]" degrees="65" direction="south" orientation="latitude" pageId="54" pageNumber="55" precision="55555" value="-65.0">65°S</geoCoordinate>
. In the literature the bathymetric range is given as 
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, but stratified sampling in the Northeast Atlantic shows that its bathymetric range is 
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25– 
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.
</paragraph>
</subSubSection>
</treatment>
</document>