217 lines
25 KiB
XML
217 lines
25 KiB
XML
<document id="611E7EAEAA4A3A2AA95AA2A649688243" ID-ISSN="11755334" IM.materialsCitations_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629766107079" checkinUser="felipe" docAuthor="Raines, Bret & Huber, Markus" docDate="2012" docId="03F187DA6F42FF99A3948BDAFEDDF86E" docLanguage="en" docName="zt03217p106.pdf" docOrigin="Zootaxa 3217" docStyle="DocumentStyle:D239614CE4198176A422035174489AB1.4:Zootaxa.2009-2012.monograph" docStyleId="D239614CE4198176A422035174489AB1" docStyleName="Zootaxa.2009-2012.monograph" docStyleVersion="4" docTitle="Cratis kanekoi Hayami & Kase 1993" docType="treatment" docVersion="3" lastPageNumber="22" masterDocId="FFC8FFA26F57FF8CA3038957FFD4FF85" masterDocTitle="3217" masterLastPageNumber="106" masterPageNumber="1" pageNumber="22" updateTime="1699109226814" updateUser="plazi" zenodo-license-document="CLOSED">
|
||
<mods:mods id="9F1C18AA0FB3ED6E4227332CB27C6134" xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo id="BEB98880F25DF9CF52D7D13188F2DE12">
|
||
<mods:title id="300C86FA24703F4BA9AC19A1B3AD1DF9">3217</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name id="7439E4594CB3BECF7BA48E054915BECD" type="personal">
|
||
<mods:role id="F25B26CB8EB031927636C818F6F236AA">
|
||
<mods:roleTerm id="39683FB30B5589ADEFCB0D5ED84C11F3">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="3379C290FA91B9953A36577EA9A47482">Raines, Bret</mods:namePart>
|
||
</mods:name>
|
||
<mods:name id="165ADE88D7DF80369582E0A358EF6712" type="personal">
|
||
<mods:role id="CC65B9CDBCC61FC8E4BE452D641CE600">
|
||
<mods:roleTerm id="27EAB4678DB6D5BA11CB566356095AD5">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="72B586210ED5A2330032CBFFF73A2659">Huber, Markus</mods:namePart>
|
||
</mods:name>
|
||
<mods:typeOfResource id="D27C21A34F936E080A851CBB74BD2514">text</mods:typeOfResource>
|
||
<mods:relatedItem id="8A40C4E81D2DE63548F4E843D4F3A470" type="host">
|
||
<mods:titleInfo id="57E5A5AD556274294AEB87218F4612F4">
|
||
<mods:title id="0C903684040F927E8101879B00F6D24A">Zootaxa</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:part id="059417922F745DE54F8B188FC683F5FA">
|
||
<mods:date id="5AF8644C184BAA5BA583A5BBB6676612">2012</mods:date>
|
||
<mods:detail id="6FE135977C071508FEB73314571CD12F" type="pubDate">
|
||
<mods:number id="1066DE2318CF8339EB5657082FAD1595">2012-02-29</mods:number>
|
||
</mods:detail>
|
||
<mods:detail id="6F9E9CFF4C1F3F6F925E0DCC3F3C4D44" type="volume">
|
||
<mods:number id="27EA40A4260E6D72277E02233D53754B">3217</mods:number>
|
||
</mods:detail>
|
||
<mods:extent id="D6D07AF6B4B7DED4F864523401D8BCB7" unit="page">
|
||
<mods:start id="0CE875069C386961889B495598FEE3E0">1</mods:start>
|
||
<mods:end id="11A687964943C1622E6601ED1494B900">106</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:classification id="6A0DDB942D4581B3C64364D82179AB42">journal article</mods:classification>
|
||
<mods:identifier id="289B1C207C867C0B5DF885D8C532A1C2" type="ISSN">11755334</mods:identifier>
|
||
</mods:mods>
|
||
<treatment id="03F187DA6F42FF99A3948BDAFEDDF86E" ID-DOI="http://doi.org/10.5281/zenodo.5250635" ID-Zenodo-Dep="5250635" LSID="urn:lsid:plazi:treatment:03F187DA6F42FF99A3948BDAFEDDF86E" httpUri="http://treatment.plazi.org/id/03F187DA6F42FF99A3948BDAFEDDF86E" lastPageNumber="22" pageId="21" pageNumber="22">
|
||
<subSubSection id="C34265476F42FF99A3948BDAFDB4FD22" box="[151,608,653,679]" pageId="21" pageNumber="22" type="nomenclature">
|
||
<paragraph id="8BE736CC6F42FF99A3948BDAFDB4FD22" blockId="21.[151,608,653,711]" box="[151,608,653,679]" pageId="21" pageNumber="22">
|
||
<heading id="D0AF81A06F42FF99A3948BDAFDB4FD22" bold="true" box="[151,608,653,679]" fontSize="11" level="1" pageId="21" pageNumber="22" reason="1">
|
||
<taxonomicName id="4C584D4F6F42FF99A3948BDAFDB4FD22" ID-CoL="6BCS4" authority="Hayami & Kase, 1993" authorityName="Hayami & Kase" authorityYear="1993" box="[151,608,653,679]" class="Bivalvia" family="Philobryidae" genus="Cratis" kingdom="Animalia" order="Arcida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="kanekoi">
|
||
<emphasis id="B92CEADE6F42FF99A3948BDAFDB4FD22" bold="true" box="[151,608,653,679]" pageId="21" pageNumber="22">
|
||
<emphasis id="B92CEADE6F42FF99A3948BDAFE93FD22" bold="true" box="[151,327,653,679]" italics="true" pageId="21" pageNumber="22">Cratis kanekoi</emphasis>
|
||
<bibRefCitation id="EFC94B3D6F42FF99A24C8BDAFDB4FD22" author="Hayami, I. & Kase, T." box="[335,608,653,679]" pageId="21" pageNumber="22" pagination="1 - 133" refId="ref54841" refString="Hayami, I. & Kase, T. (1993) Submarine cave Bivalvia from the Ryukyu Islands: systematics and evolutionary significance. The University of Tokyo, Bulletin, 35, 1 - 133." type="journal article" year="1993">Hayami & Kase, 1993</bibRefCitation>
|
||
</emphasis>
|
||
</taxonomicName>
|
||
</heading>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34265476F42FF99A3948BF8FE9FFD42" box="[151,331,687,711]" pageId="21" pageNumber="22" type="description">
|
||
<paragraph id="8BE736CC6F42FF99A3948BF8FE9FFD42" blockId="21.[151,608,653,711]" box="[151,331,687,711]" pageId="21" pageNumber="22">
|
||
<figureCitation id="13632A496F42FF99A3948BF8FE9FFD42" box="[151,331,687,711]" captionStart="FIGURE 10" captionStartId="22.[151,250,1888,1911]" captionTargetBox="[151,1436,151,1851]" captionTargetId="figure-124@22.[151,1436,149,1853]" captionTargetPageId="22" captionText="FIGURE 10. A–G, Cratis kanekoi Hayami & Kase, 1993; A, Exterior LV, 2.2 mm in height; B, Exterior LV, 1.95 mm in height; C, Interior LV, 2 mm in height, SEM; D, Exterior RV, 2.1 mm in height, SEM; E, Close-up of the prodissoconch, LV, SEM; F, Close-up of the prodissoconch, LV, SEM, arrows indicating boundary; G, Close-up of the hinge and dentation, LV, SEM; H–K, Malleus regulus (Forsskål in Niebuhr, 1775); H, Exterior LV, 9.4 mm in height; I, Interior LV of same specimen; J, Exterior RV of same specimen; K, Interior RV of same specimen." pageId="21" pageNumber="22">Figures 10 A–G</figureCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34265476F42FF99A3948BAFFEE7FCCE" pageId="21" pageNumber="22" type="reference_group">
|
||
<paragraph id="8BE736CC6F42FF99A3948BAFFD26FC8B" blockId="21.[151,1436,760,843]" box="[151,754,760,782]" pageId="21" pageNumber="22">
|
||
<treatmentCitationGroup id="AB4811E26F42FF99A3948BAFFD26FC8B" box="[151,754,760,782]" pageId="21" pageNumber="22">
|
||
<treatmentCitation id="0AF910DD6F42FF99A3948BAFFD83FC8B" author="Hayami, I. & Kase, T." box="[151,599,760,782]" page="36" pageId="21" pageNumber="22" year="1993">
|
||
<taxonomicName id="4C584D4F6F42FF99A3948BAFFD83FC8B" ID-CoL="6BCS4" authority="Hayami & Kase, 1993: p. 36" authorityName="Hayami & Kase" authorityPageNumber="36" authorityYear="1993" box="[151,599,760,782]" class="Bivalvia" family="Philobryidae" genus="Cratis" kingdom="Animalia" order="Arcida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="kanekoi">
|
||
<emphasis id="B92CEADE6F42FF99A3948BAFFEFFFC8B" box="[151,299,760,782]" italics="true" pageId="21" pageNumber="22">Cratis kanekoi</emphasis>
|
||
<bibRefCitation id="EFC94B3D6F42FF99A2318BAFFDC3FC8B" author="Hayami, I. & Kase, T." box="[306,535,760,782]" pageId="21" pageNumber="22" pagination="1 - 133" refId="ref54841" refString="Hayami, I. & Kase, T. (1993) Submarine cave Bivalvia from the Ryukyu Islands: systematics and evolutionary significance. The University of Tokyo, Bulletin, 35, 1 - 133." type="journal article" year="1993">Hayami & Kase, 1993</bibRefCitation>
|
||
: p. 36
|
||
</taxonomicName>
|
||
</treatmentCitation>
|
||
, figs. 103–110.
|
||
</treatmentCitationGroup>
|
||
</paragraph>
|
||
<paragraph id="8BE736CC6F42FF99A3948A40FEE7FCCE" blockId="21.[151,1436,760,843]" pageId="21" pageNumber="22">
|
||
<treatmentCitationGroup id="AB4811E26F42FF99A3948A40FEE7FCCE" pageId="21" pageNumber="22">
|
||
<taxonomicName id="4C584D4F6F42FF99A3948A40FDC6FCA9" ID-CoL="6BCS4" authority="Hayami & Kase, 1993" authorityName="Hayami & Kase" authorityYear="1993" box="[151,530,790,813]" class="Bivalvia" family="Philobryidae" genus="Cratis" kingdom="Animalia" order="Arcida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="kanekoi">
|
||
<emphasis id="B92CEADE6F42FF99A3948A40FEF8FCA8" box="[151,300,791,813]" italics="true" pageId="21" pageNumber="22">Cratis kanekoi</emphasis>
|
||
<bibRefCitation id="EFC94B3D6F42FF99A2318A41FDC6FCA9" author="Hayami, I. & Kase, T." box="[306,530,790,812]" pageId="21" pageNumber="22" pagination="1 - 133" refId="ref54841" refString="Hayami, I. & Kase, T. (1993) Submarine cave Bivalvia from the Ryukyu Islands: systematics and evolutionary significance. The University of Tokyo, Bulletin, 35, 1 - 133." type="journal article" year="1993">Hayami & Kase, 1993</bibRefCitation>
|
||
</taxonomicName>
|
||
—
|
||
<treatmentCitation id="0AF910DD6F42FF99A12E8A41FC81FCA9" author="Hayami, I. & Kase, T." box="[557,853,790,812]" page="61" pageId="21" pageNumber="22" year="1996">
|
||
<bibRefCitation id="EFC94B3D6F42FF99A12E8A41FCC2FCA9" author="Hayami, I. & Kase, T." box="[557,790,790,812]" pageId="21" pageNumber="22" pagination="59 - 65" refId="ref54879" refString="Hayami, I. & Kase, T. (1996) Characteristics of submarine cave bivalves in the northwestern Pacific. American Malacological Bulletin, 12 (1 - 2), 59 - 65." type="journal article" year="1996">Hayami & Kase, 1996</bibRefCitation>
|
||
: p. 61
|
||
</treatmentCitation>
|
||
;
|
||
<treatmentCitation id="0AF910DD6F42FF99A0638A41FB94FCA9" author="Okutani, T." box="[864,1088,790,812]" page="861" pageId="21" pageNumber="22" year="2000">
|
||
<bibRefCitation id="EFC94B3D6F42FF99A0638A41FC21FCA9" author="Okutani, T." box="[864,1013,790,812]" pageId="21" pageNumber="22" refId="ref57932" refString="Okutani, T., (Ed) (2000) Marine Mollusks in Japan. Tokai University Press, Tokyo, Japan, 1224 pp." type="book" year="2000">Okutani, 2000</bibRefCitation>
|
||
: p. 861
|
||
</treatmentCitation>
|
||
, pl. 428, fig. 2;
|
||
<treatmentCitation id="0AF910DD6F42FF99A7E18A41FEFBFCCE" author="Trondle, J. & Boutet, M." page="5" pageId="21" pageNumber="22" year="2009">
|
||
<bibRefCitation id="EFC94B3D6F42FF99A7E18A41FF29FCCE" author="Trondle, J. & Boutet, M." pageId="21" pageNumber="22" pagination="1 - 87" refId="ref61214" refString="Trondle, J. & Boutet, M. (2009) Inventory of marine molluscs of French Polynesia. Atoll Research Bulletin, 570, 1 - 87." type="journal article" year="2009">Tröndlé & Boutet, 2009</bibRefCitation>
|
||
: p. 5
|
||
</treatmentCitation>
|
||
.
|
||
</treatmentCitationGroup>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34265476F42FF99A3948A20FAA2FC0A" box="[151,1398,887,912]" pageId="21" pageNumber="22" type="materials_examined">
|
||
<paragraph id="8BE736CC6F42FF99A3948A20FAA2FC0A" blockId="21.[151,1436,887,2028]" box="[151,1398,887,912]" pageId="21" pageNumber="22">
|
||
<emphasis id="B92CEADE6F42FF99A3948A20FE54FC15" bold="true" box="[151,384,887,912]" inLineHeading="true" pageId="21" pageNumber="22" reason="1">Material examined.</emphasis>
|
||
Eleven single valves from
|
||
<emphasis id="B92CEADE6F42FF99A1B18A2FFD09FC15" box="[690,733,888,912]" italics="true" pageId="21" pageNumber="22">SyG</emphasis>
|
||
, and one badly worn valve from
|
||
<emphasis id="B92CEADE6F42FF99A7528A2EFBBFFC15" box="[1105,1131,889,912]" italics="true" pageId="21" pageNumber="22">EI</emphasis>
|
||
(
|
||
<quantity id="4CA09B296F42FF99A7798A20FAFCFC0A" box="[1146,1320,887,911]" metricMagnitude="-3" metricUnit="m" metricValue="2.285" metricValueMax="2.77" metricValueMin="1.8" pageId="21" pageNumber="22" unit="mm" value="2.285" valueMax="2.77" valueMin="1.8">1.8 to 2.77 mm</quantity>
|
||
) (BK).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34265476F42FF99A3C48ACCFA4EFB09" pageId="21" pageNumber="22" type="diagnosis">
|
||
<paragraph id="8BE736CC6F42FF99A3C48ACCFA4EFB09" blockId="21.[151,1436,887,2028]" pageId="21" pageNumber="22">
|
||
<emphasis id="B92CEADE6F42FF99A3C48ACCFE95FC31" bold="true" box="[199,321,923,948]" inLineHeading="true" pageId="21" pageNumber="22" reason="1">Diagnosis.</emphasis>
|
||
Shell small (up to
|
||
<quantity id="4CA09B296F42FF99A1208ACBFD5DFC36" box="[547,649,924,948]" metricMagnitude="-3" metricUnit="m" metricValue="2.77" pageId="21" pageNumber="22" unit="mm" value="2.77">2.77 mm</quantity>
|
||
in height), polygonal-ovate, thick and not fragile. Umbones located anteriorly, with a large, hat-shaped prodissoconch which is characterized by a low conical central base and coarsely frilled brim margin, ca. 260 µm length and 250 µm height. Exterior surface with 7–9 beaded radial ribs crossed by regular commarginal lamellae. Intervals between ribs are broadly concave.
|
||
<collectingRegion id="499CF82E6F42FF99A7028D50FB81FB9A" box="[1025,1109,1031,1055]" country="Oman" name="Ad Dakhiliyah" pageId="21" pageNumber="22">Interior</collectingRegion>
|
||
margin with a few strongly marked interlocking tubercles restricted to postero-ventral area. Hinge consisting of a large tubercular tooth in the anterior of each valve and numerous perpendicular denticles placed dorsally and interrupted by the ligament, resulting in a row of anterior and posterior denticles. Color translucent white and sparse orange blotches in adults.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34265476F42FF99A3C48DCFFBECF8FA" pageId="21" pageNumber="22" type="discussion">
|
||
<paragraph id="8BE736CC6F42FF99A3C48DCFFCD9FAE1" blockId="21.[151,1436,887,2028]" pageId="21" pageNumber="22">
|
||
<emphasis id="B92CEADE6F42FF99A3C48DCFFEEFFB35" bold="true" box="[199,315,1176,1200]" inLineHeading="true" pageId="21" pageNumber="22" reason="1">Remarks.</emphasis>
|
||
From the ten described philobryid genera,
|
||
<taxonomicName id="4C584D4F6F42FF99A0298DCFFCA4FB35" authorityName="Hedley" authorityYear="1915" box="[810,880,1176,1200]" class="Bivalvia" family="Philobryidae" genus="Cratis" kingdom="Animalia" order="Arcida" pageId="21" pageNumber="22" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B92CEADE6F42FF99A0298DCFFCA4FB35" box="[810,880,1176,1200]" italics="true" pageId="21" pageNumber="22">Cratis</emphasis>
|
||
</taxonomicName>
|
||
matches well by exhibiting the strong cap, clear dentition, trigonal ligament pit, dorsal denticles and pinctadoid shape. The sculpture of the
|
||
<emphasis id="B92CEADE6F42FF99A7928DEAFB7FFB51" box="[1169,1195,1213,1236]" italics="true" pageId="21" pageNumber="22">EI</emphasis>
|
||
material, however, is less beaded than in the
|
||
<typeStatus id="54E3886E6F42FF99A2998DB7FE1EFB7D" box="[410,458,1248,1272]" pageId="21" pageNumber="22">type</typeStatus>
|
||
species and in most of the congeners. Internally, the posteroventrally 4–5 marked interlocking tubercles are similarly found in
|
||
<taxonomicName id="4C584D4F6F42FF99A15A8C53FC16FA99" authority="Bergmans, 1970" authorityName="Bergmans" authorityYear="1970" box="[601,962,1284,1308]" class="Bivalvia" family="Philobryidae" genus="Cratis" kingdom="Animalia" order="Arcida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="delicata">
|
||
<emphasis id="B92CEADE6F42FF99A15A8C53FCD5FA99" box="[601,769,1284,1308]" italics="true" pageId="21" pageNumber="22">Cratis delicata</emphasis>
|
||
<bibRefCitation id="EFC94B3D6F42FF99A00B8C53FC16FA99" author="Bergmans, W." box="[776,962,1284,1308]" pageId="21" pageNumber="22" pagination="35 - 38" refId="ref51014" refString="Bergmans, W. (1970) The validity of the genera Lissarca, Austrosarepta, Cratis and Denticosa, with notes on some Australian species (Bivalvia, Philobryide). Journal of the Malacological Society of Australia, 2, 35 - 38." type="journal article" year="1970">Bergmans, 1970</bibRefCitation>
|
||
</taxonomicName>
|
||
, which, has a very distinct hinge and dentition. The
|
||
<typeStatus id="54E3886E6F42FF99A21D8C7FFE9AFAC5" box="[286,334,1320,1344]" pageId="21" pageNumber="22">type</typeStatus>
|
||
species
|
||
<taxonomicName id="4C584D4F6F42FF99A2B98C7FFD9AFAC5" authorityName="Hedley" authorityYear="1915" box="[442,590,1320,1344]" class="Bivalvia" family="Philobryidae" genus="Cratis" kingdom="Animalia" order="Arcida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="progressa">
|
||
<emphasis id="B92CEADE6F42FF99A2B98C7FFD9AFAC5" box="[442,590,1320,1344]" italics="true" pageId="21" pageNumber="22">C. progressa</emphasis>
|
||
</taxonomicName>
|
||
has similar tubercles also placed anteroventrally, and a much stronger dentition as well as a strong, narrowly beaded sculpture.
|
||
</paragraph>
|
||
<paragraph id="8BE736CC6F42FF99A3C48C27FAAFFA55" blockId="21.[151,1436,887,2028]" pageId="21" pageNumber="22">
|
||
Nothing known from the Hawaiian Islands resembles this species, and from the nine described Pacific
|
||
<taxonomicName id="4C584D4F6F42FF99A6558C27FF3FFA29" class="Bivalvia" family="Philobryidae" genus="Cratis" kingdom="Animalia" order="Arcida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="undetermined">
|
||
<emphasis id="B92CEADE6F42FF99A6558C27FA48FA0D" box="[1366,1436,1392,1416]" italics="true" pageId="21" pageNumber="22">Cratis</emphasis>
|
||
species
|
||
</taxonomicName>
|
||
, only one merits close comparison, namely,
|
||
<taxonomicName id="4C584D4F6F42FF99A1EF8CC3FBA0FA29" authority="Hayami & Kase, 1993" authorityName="Hayami & Kase" authorityYear="1993" box="[748,1140,1428,1452]" class="Bivalvia" family="Philobryidae" genus="Cratis" kingdom="Animalia" order="Arcida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="kanekoi">
|
||
<emphasis id="B92CEADE6F42FF99A1EF8CC3FCB2FA29" box="[748,870,1428,1452]" italics="true" pageId="21" pageNumber="22">C. kanekoi</emphasis>
|
||
<bibRefCitation id="EFC94B3D6F42FF99A0738CC3FBA0FA29" author="Hayami, I. & Kase, T." box="[880,1140,1428,1452]" pageId="21" pageNumber="22" pagination="1 - 133" refId="ref54841" refString="Hayami, I. & Kase, T. (1993) Submarine cave Bivalvia from the Ryukyu Islands: systematics and evolutionary significance. The University of Tokyo, Bulletin, 35, 1 - 133." type="journal article" year="1993">Hayami & Kase, 1993</bibRefCitation>
|
||
</taxonomicName>
|
||
, from Miyako Island. All other species are at once separated by sculpture and/or stronger dentition and/or missing or additional tubercles.
|
||
</paragraph>
|
||
<paragraph id="8BE736CC6F42FF99A3C48C8BFD5CF949" blockId="21.[151,1436,887,2028]" pageId="21" pageNumber="22">
|
||
<taxonomicName id="4C584D4F6F42FF99A3C48C8BFEB8FA71" authorityName="Hayami & Kase" authorityYear="1993" box="[199,364,1500,1524]" class="Bivalvia" family="Philobryidae" genus="Cratis" kingdom="Animalia" order="Arcida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="kanekoi">
|
||
<emphasis id="B92CEADE6F42FF99A3C48C8BFEB8FA71" box="[199,364,1500,1524]" italics="true" pageId="21" pageNumber="22">Cratis kanekoi</emphasis>
|
||
</taxonomicName>
|
||
is identical in shape and in sculpture with widely spaced radials and lamellate commarginals. Position and sculpture of the cap are indistinguishable. Internally, the posterodorsal tubercles are very similarly arranged. At first glance the hinges seem to differ in that the tooth socket is placed left or posterior to the large cardinal of the scarce Okinawan material. However, in the numerous
|
||
<emphasis id="B92CEADE6F42FF99A0988F1EFC61F9E5" box="[923,949,1609,1632]" italics="true" pageId="21" pageNumber="22">EI</emphasis>
|
||
and
|
||
<emphasis id="B92CEADE6F42FF99A0F18F1FFBF4F9E5" box="[1010,1056,1608,1632]" italics="true" pageId="21" pageNumber="22">SyG</emphasis>
|
||
material studied both conditions were encountered, with the socket placed left or right of the prominent tubercular tooth. This is consistent with
|
||
<bibRefCitation id="EFC94B3D6F42FF99A3948FC7FEA2F92D" author="Tevesz, M. J. S." box="[151,374,1680,1704]" pageId="21" pageNumber="22" pagination="1 - 64" refId="ref61102" refString="Tevesz, M. J. S. (1977) Taxonomy and ecology of the Philobryidae and Limopsidae (Mollusca: Pelecypoda). Postilla, 171, 1 - 64." type="journal article" year="1977">Tevesz’s (1977: 15)</bibRefCitation>
|
||
observation of high intraspecific variability of the
|
||
<taxonomicName id="4C584D4F6F42FF99A0B88FC7FBD5F92D" authorityName="Hedley" authorityYear="1915" box="[955,1025,1680,1704]" class="Bivalvia" family="Philobryidae" genus="Cratis" kingdom="Animalia" order="Arcida" pageId="21" pageNumber="22" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B92CEADE6F42FF99A0B88FC7FBD5F92D" box="[955,1025,1680,1704]" italics="true" pageId="21" pageNumber="22">Cratis</emphasis>
|
||
</taxonomicName>
|
||
dentition. Thus, no significant morphological differences to
|
||
<taxonomicName id="4C584D4F6F42FF99A2B78FE3FDFFF949" authorityName="Hayami & Kase" authorityYear="1993" box="[436,555,1716,1740]" class="Bivalvia" family="Philobryidae" genus="Cratis" kingdom="Animalia" order="Arcida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="kanekoi">
|
||
<emphasis id="B92CEADE6F42FF99A2B78FE3FDFFF949" box="[436,555,1716,1740]" italics="true" pageId="21" pageNumber="22">C. kanekoi</emphasis>
|
||
</taxonomicName>
|
||
remain.
|
||
</paragraph>
|
||
<paragraph id="8BE736CC6F42FF99A3C48F8FFD3AF8D9" blockId="21.[151,1436,887,2028]" pageId="21" pageNumber="22">
|
||
The
|
||
<emphasis id="B92CEADE6F42FF99A3F88F8EFEC1F975" box="[251,277,1753,1776]" italics="true" pageId="21" pageNumber="22">EI</emphasis>
|
||
and
|
||
<emphasis id="B92CEADE6F42FF99A24C8F8FFEAAF975" box="[335,382,1752,1776]" italics="true" pageId="21" pageNumber="22">SyG</emphasis>
|
||
material, however, does provide
|
||
<taxonomicName id="4C584D4F6F42FF99A1F98F8FFCA7F975" authorityName="Hayami & Kase" authorityYear="1993" box="[762,883,1752,1776]" class="Bivalvia" family="Philobryidae" genus="Cratis" kingdom="Animalia" order="Arcida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="kanekoi">
|
||
<emphasis id="B92CEADE6F42FF99A1F98F8FFCA7F975" box="[762,883,1752,1776]" italics="true" pageId="21" pageNumber="22">C. kanekoi</emphasis>
|
||
</taxonomicName>
|
||
a new maximum size of
|
||
<quantity id="4CA09B296F42FF99A7958F8FFB29F96A" box="[1174,1277,1752,1776]" metricMagnitude="-3" metricUnit="m" metricValue="2.77" pageId="21" pageNumber="22" unit="mm" value="2.77">2.77 mm</quantity>
|
||
, variability in position of cardinal tooth and socket, as well as an additional feature in adult specimens, that it is occasionally being found with orange blotches. The availability of the material also suggests it has a more common occurrence than originally recorded by
|
||
<bibRefCitation id="EFC94B3D6F42FF99A2CD8E13FD3EF8D9" author="Hayami, I. & Kase, T." box="[462,746,1860,1884]" pageId="21" pageNumber="22" pagination="1 - 133" refId="ref54841" refString="Hayami, I. & Kase, T. (1993) Submarine cave Bivalvia from the Ryukyu Islands: systematics and evolutionary significance. The University of Tokyo, Bulletin, 35, 1 - 133." type="journal article" year="1993">Hayami and Kase (1993)</bibRefCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BE736CC6F42FF99A3C48E30FBECF8FA" blockId="21.[151,1436,887,2028]" box="[199,1080,1895,1920]" pageId="21" pageNumber="22">
|
||
<emphasis id="B92CEADE6F42FF99A3C48E30FEFEF805" bold="true" box="[199,298,1895,1920]" inLineHeading="true" pageId="21" pageNumber="22" reason="1">Habitat.</emphasis>
|
||
Apparently common from
|
||
<emphasis id="B92CEADE6F42FF99A15F8E3FFD53F805" box="[604,647,1896,1920]" italics="true" pageId="21" pageNumber="22">SyG</emphasis>
|
||
, but less so on
|
||
<emphasis id="B92CEADE6F42FF99A0378E3EFC9AF805" box="[820,846,1897,1920]" italics="true" pageId="21" pageNumber="22">EI</emphasis>
|
||
, in sand, from
|
||
<specimenCount id="9D5EFD456F42FF99A0F48E3FFBECF8FA" box="[1015,1080,1896,1920]" pageId="21" pageNumber="22" type="generic">
|
||
<quantity id="4CA09B296F42FF99A0F48E3FFBE0F8FA" box="[1015,1076,1896,1920]" metricMagnitude="1" metricUnit="m" metricValue="2.0" pageId="21" pageNumber="22" unit="m" value="20.0">20 m</quantity>
|
||
.
|
||
</specimenCount>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34265476F42FF99A3C48EDCFEDDF86E" pageId="21" pageNumber="22" type="distribution">
|
||
<paragraph id="8BE736CC6F42FF99A3C48EDCFEDDF86E" blockId="21.[151,1436,887,2028]" pageId="21" pageNumber="22">
|
||
<emphasis id="B92CEADE6F42FF99A3C48EDCFEB4F821" bold="true" box="[199,352,1931,1956]" inLineHeading="true" pageId="21" pageNumber="22" reason="1">Distribution.</emphasis>
|
||
<taxonomicName id="4C584D4F6F42FF99A26B8EDBFDD8F821" authorityName="Hayami & Kase" authorityYear="1993" box="[360,524,1932,1956]" class="Bivalvia" family="Philobryidae" genus="Cratis" kingdom="Animalia" order="Arcida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="kanekoi">
|
||
<emphasis id="B92CEADE6F42FF99A26B8EDBFDD8F821" box="[360,524,1932,1956]" italics="true" pageId="21" pageNumber="22">Cratis kanekoi</emphasis>
|
||
</taxonomicName>
|
||
was originally described from
|
||
<collectingRegion id="499CF82E6F42FF99A06E8EDBFC01F821" box="[877,981,1932,1956]" country="Japan" name="Okinawa" pageId="21" pageNumber="22">Okinawa</collectingRegion>
|
||
, but has been recorded from the Society Islands and the Tuamotu Archipelago as well. Easter and Salas y Gómez Islands are now considered a range extension—
|
||
<emphasis id="B92CEADE6F42FF99A3E28E84FED6F869" bold="true" box="[225,258,2003,2028]" pageId="21" pageNumber="22">E4</emphasis>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |