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<paragraph id="8BE736CC6F45FF9EA3948BFAFD76FD42" blockId="18.[151,674,685,743]" box="[151,674,685,711]" pageId="18" pageNumber="19">
<heading id="D0AF81A06F45FF9EA3948BFAFD76FD42" bold="true" box="[151,674,685,711]" fontSize="11" level="1" pageId="18" pageNumber="19" reason="1">
<taxonomicName id="4C584D4F6F45FF9EA3948BFAFD76FD42" ID-CoL="697R9" authority="(Reeve, 1844)" baseAuthorityName="Reeve" baseAuthorityYear="1844" box="[151,674,685,711]" class="Bivalvia" family="Arcidae" genus="Calloarca" kingdom="Animalia" order="Arcida" pageId="18" pageNumber="19" phylum="Mollusca" rank="species" species="tenella" subGenus="Barbarca">
<emphasis id="B92CEADE6F45FF9EA3948BFAFD76FD42" bold="true" box="[151,674,685,711]" pageId="18" pageNumber="19">
<emphasis id="B92CEADE6F45FF9EA3948BFAFEDAFD42" bold="true" box="[151,270,685,711]" italics="true" pageId="18" pageNumber="19">Calloarca</emphasis>
(
<emphasis id="B92CEADE6F45FF9EA21C8BFAFE45FD42" bold="true" box="[287,401,685,711]" italics="true" pageId="18" pageNumber="19">Barbarca</emphasis>
)
<emphasis id="B92CEADE6F45FF9EA2A18BFAFE27FD42" bold="true" box="[418,499,685,711]" italics="true" pageId="18" pageNumber="19">tenella</emphasis>
(
<bibRefCitation id="EFC94B3D6F45FF9EA1008BFAFD4EFD42" author="Reeve, L. A." box="[515,666,685,711]" pageId="18" pageNumber="19" pagination="3 - 17" refId="ref59190" refString="Reeve, L. A. (1844) Monograph of the genus Arca. In: Reeve, L. A., Conchologia Iconica, or illustrations of the shells of molluscous animals, London, 2, 3 - 17." type="journal article" year="1844">Reeve, 1844</bibRefCitation>
)
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C34265476F45FF9EA3948B98FEE8FD62" box="[151,316,719,743]" pageId="18" pageNumber="19" type="description">
<paragraph id="8BE736CC6F45FF9EA3948B98FEE8FD62" blockId="18.[151,674,685,743]" box="[151,316,719,743]" pageId="18" pageNumber="19">
<figureCitation id="13632A496F45FF9EA3948B98FEE8FD62" box="[151,316,719,743]" captionStart="FIGURE 8" captionStartId="19.[151,250,1438,1461]" captionTargetBox="[151,1436,337,1417]" captionTargetId="figure-278@19.[151,1436,337,1417]" captionTargetPageId="19" captionText="FIGURE 8. AC, Calloarca (Barbarca) tenella (Reeve, 1844); A, Exterior RV, 5 mm in length; B, Interior LV, 4.6 mm in length; C, Exterior LV, 4.2 mm in length; DF, Arcopsis sculptilis (Reeve, 1844); D, Exterior RV, 6 mm in length; E, Interior LV, 5.9 mm in length; F, Exterior LV, 5.8 mm in length (SIO)." pageId="18" pageNumber="19">Figures 8 AC</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="C34265476F45FF9EA3948A4FFB2AFC2D" pageId="18" pageNumber="19" type="reference_group">
<paragraph id="8BE736CC6F45FF9EA3948A4FFDA9FCAB" blockId="18.[151,1278,792,936]" box="[151,637,792,814]" pageId="18" pageNumber="19">
<taxonomicName id="4C584D4F6F45FF9EA3948A4FFE4FFCAB" ID-CoL="G77K" authority="Reeve, 1844" authorityName="Reeve" authorityYear="1844" box="[151,411,792,814]" class="Bivalvia" family="Arcidae" genus="Arca" kingdom="Animalia" order="Arcida" pageId="18" pageNumber="19" phylum="Mollusca" rank="species" species="tenella">
<emphasis id="B92CEADE6F45FF9EA3948A4FFEC6FCAB" box="[151,274,792,814]" italics="true" pageId="18" pageNumber="19">Arca tenella</emphasis>
<bibRefCitation id="EFC94B3D6F45FF9EA21A8A4FFE4FFCAB" author="Reeve, L. A." box="[281,411,792,814]" pageId="18" pageNumber="19" pagination="3 - 17" refId="ref59190" refString="Reeve, L. A. (1844) Monograph of the genus Arca. In: Reeve, L. A., Conchologia Iconica, or illustrations of the shells of molluscous animals, London, 2, 3 - 17." type="journal article" year="1844">Reeve, 1844</bibRefCitation>
</taxonomicName>
: sp. 91, pl. 14, fig. 91.
</paragraph>
<paragraph id="8BE736CC6F45FF9EA3948A60FCE4FCC9" blockId="18.[151,1278,792,936]" box="[151,816,822,845]" pageId="18" pageNumber="19">
<treatmentCitationGroup id="AB4811E26F45FF9EA3948A60FCE4FCC9" box="[151,816,822,845]" pageId="18" pageNumber="19">
<treatmentCitation id="0AF910DD6F45FF9EA3948A60FD59FCC9" author="Dall, W. H. &amp; Bartsch, P. &amp; Rehder, H. A." box="[151,653,822,845]" page="24" pageId="18" pageNumber="19" year="1938">
<taxonomicName id="4C584D4F6F45FF9EA3948A60FD59FCC9" ID-CoL="PV37" authority="Dall et al., 1938: p. 24" authorityName="Dall" authorityPageNumber="24" authorityYear="1938" box="[151,653,822,845]" class="Bivalvia" family="Arcidae" genus="Calloarca" kingdom="Animalia" order="Arcida" pageId="18" pageNumber="19" phylum="Mollusca" rank="species" species="hua" subGenus="Barbarca">
<emphasis id="B92CEADE6F45FF9EA3948A60FF29FCC8" box="[151,253,823,845]" italics="true" pageId="18" pageNumber="19">Calloarca</emphasis>
(
<emphasis id="B92CEADE6F45FF9EA2088A60FEBFFCC8" box="[267,363,823,845]" italics="true" pageId="18" pageNumber="19">Barbarca</emphasis>
)
<emphasis id="B92CEADE6F45FF9EA2798A60FE74FCC8" box="[378,416,823,845]" italics="true" pageId="18" pageNumber="19">hua</emphasis>
<bibRefCitation id="EFC94B3D6F45FF9EA2A58A61FD9AFCC9" author="Dall, W. H. &amp; Bartsch, P. &amp; Rehder, H. A." box="[422,590,822,845]" pageId="18" pageNumber="19" pagination="1 - 33" refId="ref52903" refString="Dall, W. H., Bartsch, P. &amp; Rehder, H. A. (1938) A manual of the recent and fossil marine pelecypod mollusks of the Hawaiian Islands. Bernice P. Bishop Museum Bulletin, 153, 1 - 33." type="journal article" year="1938">
Dall
<emphasis id="B92CEADE6F45FF9EA2DB8A60FDD0FCC8" box="[472,516,823,845]" italics="true" pageId="18" pageNumber="19">et al</emphasis>
., 1938
</bibRefCitation>
: p. 24
</taxonomicName>
</treatmentCitation>
, pl. 4, figs. 58.
</treatmentCitationGroup>
</paragraph>
<paragraph id="8BE736CC6F45FF9EA3948A02FBAFFCEE" blockId="18.[151,1278,792,936]" box="[151,1147,853,875]" pageId="18" pageNumber="19">
<treatmentCitationGroup id="AB4811E26F45FF9EA3948A02FBAFFCEE" box="[151,1147,853,875]" pageId="18" pageNumber="19">
<taxonomicName id="4C584D4F6F45FF9EA3948A02FE1AFCEE" ID-CoL="KM7W" authority="(Reeve, 1844)" baseAuthorityName="Reeve" baseAuthorityYear="1844" box="[151,462,853,875]" class="Bivalvia" family="Arcidae" genus="Barbatia" kingdom="Animalia" order="Arcida" pageId="18" pageNumber="19" phylum="Mollusca" rank="species" species="tenella">
<emphasis id="B92CEADE6F45FF9EA3948A02FEE8FCEE" box="[151,316,853,875]" italics="true" pageId="18" pageNumber="19">Barbatia tenella</emphasis>
(
<bibRefCitation id="EFC94B3D6F45FF9EA24A8A02FE13FCEE" author="Reeve, L. A." box="[329,455,853,875]" pageId="18" pageNumber="19" pagination="3 - 17" refId="ref59190" refString="Reeve, L. A. (1844) Monograph of the genus Arca. In: Reeve, L. A., Conchologia Iconica, or illustrations of the shells of molluscous animals, London, 2, 3 - 17." type="journal article" year="1844">Reeve, 1844</bibRefCitation>
)
</taxonomicName>
<treatmentCitation id="0AF910DD6F45FF9EA2EB8A02FCC7FCEE" author="Trondle, J. &amp; Boutet, M." box="[488,787,853,875]" page="5" pageId="18" pageNumber="19" year="2009">
<bibRefCitation id="EFC94B3D6F45FF9EA2EB8A02FD35FCEE" author="Trondle, J. &amp; Boutet, M." box="[488,737,853,875]" pageId="18" pageNumber="19" pagination="1 - 87" refId="ref61214" refString="Trondle, J. &amp; Boutet, M. (2009) Inventory of marine molluscs of French Polynesia. Atoll Research Bulletin, 570, 1 - 87." type="journal article" year="2009">Tröndlé &amp; Boutet, 2009</bibRefCitation>
: p. 5
</treatmentCitation>
;
<treatmentCitation id="0AF910DD6F45FF9EA01D8A01FC01FCEE" author="Kay, E. A." box="[798,981,853,875]" page="504" pageId="18" pageNumber="19" year="1979">
<bibRefCitation id="EFC94B3D6F45FF9EA01D8A01FC5DFCEE" author="Kay, E. A." box="[798,905,853,875]" pageId="18" pageNumber="19" refId="ref55643" refString="Kay, E. A. (1979) Hawaiian Marine Shells. Reef and shore fauna of Hawaii Sec. 4: Mollusca. Oahu, Hawaii (Bishop Museum Press), 653 pp." type="book" year="1979">Kay, 1979</bibRefCitation>
: p. 504
</treatmentCitation>
, figs. 162 CD.
</treatmentCitationGroup>
</paragraph>
<paragraph id="8BE736CC6F45FF9EA3948A23FCB5FC0C" blockId="18.[151,1278,792,936]" box="[151,865,883,906]" pageId="18" pageNumber="19">
<treatmentCitationGroup id="AB4811E26F45FF9EA3948A23FCB5FC0C" box="[151,865,883,906]" pageId="18" pageNumber="19">
<taxonomicName id="4C584D4F6F45FF9EA3948A23FD93FC0C" ID-CoL="KM7W" authority="(Reeve, 1844)" baseAuthorityName="Reeve" baseAuthorityYear="1844" box="[151,583,883,906]" class="Bivalvia" family="Arcidae" genus="Barbatia" kingdom="Animalia" order="Arcida" pageId="18" pageNumber="19" phylum="Mollusca" rank="species" species="tenella" subGenus="Barbarca">
<emphasis id="B92CEADE6F45FF9EA3948A23FF25FC0F" box="[151,241,884,906]" italics="true" pageId="18" pageNumber="19">Barbatia</emphasis>
(
<emphasis id="B92CEADE6F45FF9EA3FC8A23FE8BFC0F" box="[255,351,884,906]" italics="true" pageId="18" pageNumber="19">Barbarca</emphasis>
)
<emphasis id="B92CEADE6F45FF9EA26D8A23FE67FC0F" box="[366,435,884,906]" italics="true" pageId="18" pageNumber="19">tenella</emphasis>
(
<bibRefCitation id="EFC94B3D6F45FF9EA2C28A24FD94FC0C" author="Reeve, L. A." box="[449,576,883,905]" pageId="18" pageNumber="19" pagination="3 - 17" refId="ref59190" refString="Reeve, L. A. (1844) Monograph of the genus Arca. In: Reeve, L. A., Conchologia Iconica, or illustrations of the shells of molluscous animals, London, 2, 3 - 17." type="journal article" year="1844">Reeve, 1844</bibRefCitation>
)
</taxonomicName>
<treatmentCitation id="0AF910DD6F45FF9EA1618A24FCF0FC0C" author="Oliver, P. G." box="[610,804,883,905]" page="36" pageId="18" pageNumber="19" year="1992">
<bibRefCitation id="EFC94B3D6F45FF9EA1618A24FD32FC0C" author="Oliver, P. G." box="[610,742,883,905]" pageId="18" pageNumber="19" refId="ref57959" refString="Oliver, P. G. (1992) Bivalved seashells of the Red Sea. Verlag Christa Hemmen, Wiesbaden, Germany, 330 pp." type="book" year="1992">Oliver, 1992</bibRefCitation>
: p. 36
</treatmentCitation>
, pl. 2.
</treatmentCitationGroup>
</paragraph>
<paragraph id="8BE736CC6F45FF9EA3948AC5FB2AFC2D" blockId="18.[151,1278,792,936]" box="[151,1278,914,936]" pageId="18" pageNumber="19">
<treatmentCitationGroup id="AB4811E26F45FF9EA3948AC5FB2AFC2D" box="[151,1278,914,936]" pageId="18" pageNumber="19">
<taxonomicName id="4C584D4F6F45FF9EA3948AC5FD86FC2D" ID-CoL="697R9" authority="(Reeve, 1844)" baseAuthorityName="Reeve" baseAuthorityYear="1844" box="[151,594,914,936]" class="Bivalvia" family="Arcidae" genus="Calloarca" kingdom="Animalia" order="Arcida" pageId="18" pageNumber="19" phylum="Mollusca" rank="species" species="tenella" subGenus="Barbarca">
<emphasis id="B92CEADE6F45FF9EA3948AC5FF29FC2D" box="[151,253,914,936]" italics="true" pageId="18" pageNumber="19">Calloarca</emphasis>
(
<emphasis id="B92CEADE6F45FF9EA2088AC5FEBFFC2D" box="[267,363,914,936]" italics="true" pageId="18" pageNumber="19">Barbarca</emphasis>
)
<emphasis id="B92CEADE6F45FF9EA2798AC5FE6BFC2D" box="[378,447,914,936]" italics="true" pageId="18" pageNumber="19">tenella</emphasis>
(
<bibRefCitation id="EFC94B3D6F45FF9EA2CF8AC5FD98FC2D" author="Reeve, L. A." box="[460,588,914,936]" pageId="18" pageNumber="19" pagination="3 - 17" refId="ref59190" refString="Reeve, L. A. (1844) Monograph of the genus Arca. In: Reeve, L. A., Conchologia Iconica, or illustrations of the shells of molluscous animals, London, 2, 3 - 17." type="journal article" year="1844">Reeve, 1844</bibRefCitation>
)
</taxonomicName>
<treatmentCitation id="0AF910DD6F45FF9EA16E8AC5FCEEFC2D" author="Huber, M." box="[621,826,914,936]" page="131" pageId="18" pageNumber="19" year="2010">
<bibRefCitation id="EFC94B3D6F45FF9EA16E8AC5FD3BFC2D" author="Huber, M." box="[621,751,914,936]" pageId="18" pageNumber="19" refId="ref55250" refString="Huber, M. (2010) Compendium of Bivalves. A full-color guide to 3,300 of the world's marine bivalves. A status on Bivalvia after 250 years of research. ConchBooks, Hackenheim, Germany, 901 pp., 1 CD." type="book" year="2010">Huber, 2010</bibRefCitation>
: p. 131
</treatmentCitation>
, fig. 7;
<treatmentCitation id="0AF910DD6F45FF9EA0848AC5FBB1FC2D" author="Severns, M." box="[903,1125,914,936]" page="430" pageId="18" pageNumber="19" year="2011">
<bibRefCitation id="EFC94B3D6F45FF9EA0848AC5FBCDFC2D" author="Severns, M." box="[903,1049,914,936]" pageId="18" pageNumber="19" refId="ref59986" refString="Severns, M. (2011) Shells of the Hawaiian Islands. The Sea Shells. ConchBooks, Hackenheim, Germany, 564 pp." type="book" year="2011">Severns, 2011</bibRefCitation>
: p. 430
</treatmentCitation>
, pl. 196, fig. 5.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="C34265476F45FF9EA3948A82FD40FB94" pageId="18" pageNumber="19" type="materials_examined">
<paragraph id="8BE736CC6F45FF9EA3948A82FD40FB94" blockId="18.[151,1436,981,1438]" pageId="18" pageNumber="19">
<emphasis id="B92CEADE6F45FF9EA3948A82FE55FC6B" bold="true" box="[151,385,981,1006]" inLineHeading="true" pageId="18" pageNumber="19" reason="1">Material examined.</emphasis>
Over one hundred single valves (
<quantity id="4CA09B296F45FF9EA1FA8A82FC4DFC68" box="[761,921,981,1005]" metricMagnitude="-3" metricUnit="m" metricValue="5.15" metricValueMax="6.2" metricValueMin="4.1" pageId="18" pageNumber="19" unit="mm" value="5.15" valueMax="6.2" valueMin="4.1">4.1 to 6.2 mm</quantity>
) from
<emphasis id="B92CEADE6F45FF9EA0E68A81FC2BFC68" box="[997,1023,982,1005]" italics="true" pageId="18" pageNumber="19">EI</emphasis>
and
<emphasis id="B92CEADE6F45FF9EA7358A82FBB1FC68" box="[1078,1125,981,1005]" italics="true" pageId="18" pageNumber="19">SyG</emphasis>
(BK), plus specimens from the Hawaiian and
<collectingRegion id="499CF82E6F45FF9EA2618AADFDE5FB94" box="[354,561,1017,1041]" country="French Polynesia" name="Iles Marquises" pageId="18" pageNumber="19">Marquesas Islands</collectingRegion>
(
<collectionCode id="ED49AE096F45FF9EA1438AAEFD53FB94" box="[576,647,1017,1041]" country="Uganda" lsid="urn:lsid:biocol.org:col:13539" name="Makerere University" pageId="18" pageNumber="19" type="Herbarium">MHU</collectionCode>
).
</paragraph>
</subSubSection>
<subSubSection id="C34265476F45FF9EA3C48D4AFA99FBF8" pageId="18" pageNumber="19" type="diagnosis">
<paragraph id="8BE736CC6F45FF9EA3C48D4AFA99FBF8" blockId="18.[151,1436,981,1438]" pageId="18" pageNumber="19">
<emphasis id="B92CEADE6F45FF9EA3C48D4AFE95FBB3" bold="true" box="[199,321,1053,1078]" inLineHeading="true" pageId="18" pageNumber="19" reason="1">Diagnosis.</emphasis>
Shell small, elongated ovate, equivalve, inflated, not fragile. Umbones elevated. Posterior and anterior ends rounded. Ventral margin sinuous. Exterior surface of fine radial riblets and commarginal threads. Hinge consisting of numerous teeth separated under the umbones, slanted, and larger distally. Color creamy white.
</paragraph>
</subSubSection>
<subSubSection id="C34265476F45FF9EA3C48DDEFB7BFAB4" pageId="18" pageNumber="19" type="discussion">
<paragraph id="8BE736CC6F45FF9EA3C48DDEFB5CFA88" blockId="18.[151,1436,981,1438]" pageId="18" pageNumber="19">
<emphasis id="B92CEADE6F45FF9EA3C48DDEFEEFFB24" bold="true" box="[199,315,1161,1185]" inLineHeading="true" pageId="18" pageNumber="19" reason="1">Remarks.</emphasis>
All the
<emphasis id="B92CEADE6F45FF9EA2958DDDFE65FB24" box="[406,433,1162,1185]" italics="true" pageId="18" pageNumber="19">EI</emphasis>
specimens are exceedingly small, so it cannot be completely excluded that the current
<emphasis id="B92CEADE6F45FF9EA6828DDDFA4FFB24" box="[1409,1435,1162,1185]" italics="true" pageId="18" pageNumber="19">EI</emphasis>
population may represent a distinct species. However, without strong genetic data to support it, there is no way to separate them. As with most families the
<emphasis id="B92CEADE6F45FF9EA1678D85FDAAFB6C" box="[612,638,1234,1257]" italics="true" pageId="18" pageNumber="19">EI</emphasis>
material consists of smaller examples overall, which is probably due in part to a combination of the insular isolation, harsh environment and a scarce food supply.
</paragraph>
<paragraph id="8BE736CC6F45FF9EA3C48C4EFB7BFAB4" blockId="18.[151,1436,981,1438]" box="[199,1199,1305,1330]" pageId="18" pageNumber="19">
<emphasis id="B92CEADE6F45FF9EA3C48C4EFEFEFAB7" bold="true" box="[199,298,1305,1330]" inLineHeading="true" pageId="18" pageNumber="19" reason="1">Habitat.</emphasis>
Commonly found at many locations around
<emphasis id="B92CEADE6F45FF9EA01C8C4DFCEEFAB4" box="[799,826,1306,1329]" italics="true" pageId="18" pageNumber="19">EI</emphasis>
and
<emphasis id="B92CEADE6F45FF9EA0738C4EFC4FFAB4" box="[880,923,1305,1329]" italics="true" pageId="18" pageNumber="19">SyG</emphasis>
, in sand, from
<quantity id="4CA09B296F45FF9EA7468C4EFB7FFAB4" box="[1093,1195,1305,1329]" metricMagnitude="1" metricUnit="m" metricValue="4.5" metricValueMax="8.0" metricValueMin="1.0" pageId="18" pageNumber="19" unit="m" value="45.0" valueMax="80.0" valueMin="10.0">1080 m</quantity>
.
</paragraph>
</subSubSection>
<subSubSection id="C34265476F45FF9EA3C48C6AFA83FA18" pageId="18" pageNumber="19" type="distribution">
<paragraph id="8BE736CC6F45FF9EA3C48C6AFA83FA18" blockId="18.[151,1436,981,1438]" pageId="18" pageNumber="19">
<emphasis id="B92CEADE6F45FF9EA3C48C6AFEB4FAD3" bold="true" box="[199,352,1341,1366]" inLineHeading="true" pageId="18" pageNumber="19" reason="1">Distribution.</emphasis>
<taxonomicName id="4C584D4F6F45FF9EA26A8C6AFD60FAD0" baseAuthorityName="Reeve" baseAuthorityYear="1844" box="[361,692,1341,1365]" class="Bivalvia" family="Arcidae" genus="Calloarca" kingdom="Animalia" order="Arcida" pageId="18" pageNumber="19" phylum="Mollusca" rank="species" species="tenella" subGenus="Barbarca">
<emphasis id="B92CEADE6F45FF9EA26A8C6AFE0DFAD0" box="[361,473,1341,1365]" italics="true" pageId="18" pageNumber="19">Calloarca</emphasis>
(
<emphasis id="B92CEADE6F45FF9EA2E88C6AFD81FAD0" box="[491,597,1341,1365]" italics="true" pageId="18" pageNumber="19">Barbarca</emphasis>
)
<emphasis id="B92CEADE6F45FF9EA16B8C6AFD60FAD0" box="[616,692,1341,1365]" italics="true" pageId="18" pageNumber="19">tenella</emphasis>
</taxonomicName>
is a widely distributed species from eastern Africa to Marquesas Islands, Tuamotu Archipelago, Austral Islands and the Hawaiian Islands. However, it is not known from
<collectingCountry id="F34F765C6F45FF9EA62E8C35FF13FA18" name="New Zealand" pageId="18" pageNumber="19">New Zealand</collectingCountry>
or the Kermadec Islands. Easter and Salas y Gómez Islands are now considered a range extension—
<emphasis id="B92CEADE6F45FF9EA62C8CD2FA84FA18" bold="true" box="[1327,1360,1413,1437]" pageId="18" pageNumber="19">E5</emphasis>
.
</paragraph>
</subSubSection>
</treatment>
</document>