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<document id="73670A3101DE39B6D9E328EAD0F236BC" ID-DOI="10.11606/1807-0205/2024.64.031" ID-ISSN="1807-0205" ID-Zenodo-Dep="14705562" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1737339390010" checkinUser="felipe" docAuthor="Simone, Luiz Ricardo L." docDate="2024" docId="4008878EFF87A86A8C31DED6FA3BF7C1" docLanguage="en" docName="PapAvZool.64.e202464031.pdf" docOrigin="Papéis Avulsos de Zoologia 64" docSource="https://doi.org/10.11606/1807-0205/2024.64.031" docStyle="DocumentStyle:6844D5473582683DD13A9A75B001759F.4:PapAvZool.2018-.journal_article" docStyleId="6844D5473582683DD13A9A75B001759F" docStyleName="PapAvZool.2018-.journal_article" docStyleVersion="4" docTitle="Pinna nembia Simone, 2024, new species" docType="treatment" docVersion="2" lastPageNumber="79" masterDocId="BC31FFF6FFC9A8248835DF2CFFA6FFD2" masterDocTitle="New species, misidentifications and problematic taxonomy of some Atlantic South American marine mollusks: a review" masterLastPageNumber="104" masterPageNumber="1" pageNumber="79" updateTime="1737393675899" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-NC-4.0" zenodo-license-figures="CC-BY-NC-4.0">
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<mods:title id="C599EE165CA51CAE4B57E42CFF2ED660">New species, misidentifications and problematic taxonomy of some Atlantic South American marine mollusks: a review</mods:title>
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<mods:namePart id="DED1DFFF3C88E08D1E58AC328F93958F">Simone, Luiz Ricardo L.</mods:namePart>
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<mods:title id="57324426947B97987CE250B2694BAF46">Papéis Avulsos de Zoologia</mods:title>
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<mods:part id="334C2486D5B36A27427F3B9F7ED0F075">
<mods:date id="9D558DBCF0D157A9E93A1FBB7DAAC983">2024</mods:date>
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<mods:number id="B0D587F0FA1AFF5EADB3363A03E1D515">2024-08-09</mods:number>
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<mods:classification id="9B7C237568198551475FE80120380D99">journal article</mods:classification>
<mods:identifier id="9081CA2AF3F8618CAE938516A759AF91" type="DOI">10.11606/1807-0205/2024.64.031</mods:identifier>
<mods:identifier id="052786B859D8E9BD3CC3B59C556512A0" type="ISSN">1807-0205</mods:identifier>
<mods:identifier id="327153AF788CF5418E93E74AD70B2D49" type="Zenodo-Dep">14705562</mods:identifier>
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<treatment id="4008878EFF87A86A8C31DED6FA3BF7C1" LSID="urn:lsid:plazi:treatment:4008878EFF87A86A8C31DED6FA3BF7C1" httpUri="http://treatment.plazi.org/id/4008878EFF87A86A8C31DED6FA3BF7C1" lastPageNumber="79" pageId="78" pageNumber="79">
<subSubSection id="80BB6513FF87A86A8C31DED6FA91FDC1" box="[1028,1335,506,531]" pageId="78" pageNumber="79" type="nomenclature">
<paragraph id="C81E3698FF87A86A8C31DED6FA91FDC1" blockId="78.[887,1475,506,595]" box="[1028,1335,506,531]" pageId="78" pageNumber="79">
<heading id="935681F4FF87A86A8C31DED6FA91FDC1" box="[1028,1335,506,531]" centered="true" fontSize="10" level="2" pageId="78" pageNumber="79" reason="2">
<emphasis id="FAD5EA8AFF87A86A8C31DED6FA91FDC1" bold="true" box="[1028,1335,506,531]" pageId="78" pageNumber="79">
<taxonomicName id="0FA14D1BFF87A86A8C31DED6FB05FDC1" ID-CoL="CJNL7" authorityName="Simone" authorityYear="2024" box="[1028,1187,506,531]" class="Bivalvia" family="Pinnidae" genus="Pinna" kingdom="Animalia" order="Ostreida" pageId="78" pageNumber="79" phylum="Mollusca" rank="species" species="nembia" status="sp. nov.">
<emphasis id="FAD5EA8AFF87A86A8C31DED6FB05FDC1" bold="true" box="[1028,1187,506,531]" italics="true" pageId="78" pageNumber="79">Pinna nembia</emphasis>
</taxonomicName>
<taxonomicNameLabel id="E1E657F1FF87A86A8C9DDED6FA91FDC1" box="[1192,1335,506,531]" pageId="78" pageNumber="79" rank="species">new species</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="80BB6513FF87A86A8C5BDD36FBD0FCC1" pageId="78" pageNumber="79" type="description">
<paragraph id="C81E3698FF87A86A8C5BDD36FA65FD81" blockId="78.[887,1475,506,595]" pageId="78" pageNumber="79">
<emphasis id="FAD5EA8AFF87A86A8C5BDD36FA65FD81" bold="true" pageId="78" pageNumber="79">
(
<figureCitation id="509A2A1DFF87A86A8C40DD36FB62FDE1" box="[1141,1220,538,563]" captionStart="Figure 53" captionStartId="79.[94,153,1198,1223]" captionTargetBox="[94,1417,204,1168]" captionTargetId="figure-433@79.[94,1417,204,1168]" captionTargetPageId="79" captionText="Figure 53.Pinna nembia typeshells:(A-D) Holotype MZSP102181 (L 254 mm);(A) rightvalve,outer view;(B) same,innerview;(C) left valve,outerview;(D) same, inner view;(E-G) paratype MZSP 165698#1 (L 237 mm), right,left and ventral views;(H-I) paratype MZSP 105570 (L 185 mm), right and left views." figureDoi="http://doi.org/10.5281/zenodo.14705688" httpUri="https://zenodo.org/record/14705688/files/figure.png" pageId="78" pageNumber="79">Fig. 53</figureCitation>
) https://zoobank.org/
<uuid id="BC070C4DFF87A86A8C02DD16FA65FD81" box="[1079,1475,570,595]" pageId="78" pageNumber="79">EE5017D1-5B54-4114-B247-C93BBF8FE602</uuid>
</emphasis>
</paragraph>
<paragraph id="C81E3698FF87A86A8B50DD56FBD0FCC1" blockId="78.[869,1494,634,787]" pageId="78" pageNumber="79">
<emphasis id="FAD5EA8AFF87A86A8B50DD56FC17FD41" bold="true" box="[869,945,634,659]" pageId="78" pageNumber="79">Types:</emphasis>
<materialsCitation id="78C93CC5FF87A86A8B8BDD56FAF5FD41" box="[958,1363,634,659]" collectionCode="MZSP" pageId="78" pageNumber="79" specimenCode="MZSP 102181" specimenCount="1" typeStatus="holotype">
<typeStatus id="171A883AFF87A86A8B8BDD56FB83FD41" box="[958,1061,634,659]" pageId="78" pageNumber="79" type="holotype">Holotype</typeStatus>
<specimenCode id="98079EE3FF87A86A8C06DD56FB73FD41" box="[1075,1237,634,659]" collectionCode="MZSP" country="Brazil" httpUri="http://grbio.org/cool/9yp6-zxp9" name="Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo" pageId="78" pageNumber="79" type="Museum">MZSP 102181</specimenCode>
, specimen
</materialsCitation>
.
<materialsCitation id="78C93CC5FF87A86A8D56DD56FC0EFD01" collectionCode="MZSP" country="Brazil" location="Sao Paulo" pageId="78" pageNumber="79" specimenCode="MZSP 165698, 2" specimenCount="1" stateProvince="Sao Paulo" typeStatus="paratype">
<typeStatus id="171A883AFF87A86A8D56DD56FA74FD41" box="[1379,1490,634,659]" pageId="78" pageNumber="79" type="paratype">Paratypes</typeStatus>
:
<specimenCode id="98079EE3FF87A86A8B50DDB6FBA0FD61" box="[869,1030,666,691]" collectionCode="MZSP" country="Brazil" httpUri="http://grbio.org/cool/9yp6-zxp9" name="Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo" pageId="78" pageNumber="79" type="Museum">MZSP 165698</specimenCode>
,
<specimenCode id="98079EE3FF87A86A8C21DDB6FB84FD61" box="[1044,1058,666,691]" collectionCode="MZSP" country="Brazil" httpUri="http://grbio.org/cool/9yp6-zxp9" name="Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo" pageId="78" pageNumber="79" type="Museum">2</specimenCode>
spm from type locality.
<collectingCountry id="B0B67608FF87A86A8D7CDDB6FA3DFD61" box="[1353,1435,666,691]" name="Brazil" pageId="78" pageNumber="79">BRAZIL</collectingCountry>
.
<emphasis id="FAD5EA8AFF87A86A8D9CDDB6FC0EFD01" bold="true" pageId="78" pageNumber="79">
<collectingRegion id="0A65F87AFF87A86A8D9CDDB6FC0EFD01" country="Brazil" name="Sao Paulo" pageId="78" pageNumber="79">São Paulo</collectingRegion>
</emphasis>
</materialsCitation>
;
<materialsCitation id="78C93CC5FF87A86A8B8BDD96FBD4FCC1" collectingDate="2012-05-16" collectionCode="MZSP" country="Brazil" county="Ilhabela" elevation="10" latitude="-23.796034" location="Costa do Aquario" longLatPrecision="1" longitude="-45.1547" municipality="Ilha" pageId="78" pageNumber="79" specimenCode="MZSP 105570, 1" specimenCount="1" stateProvince="Sao Paulo" typeStatus="paratype">
<collectingCounty id="217F4E14FF87A86A8B8BDD96FBBFFD01" box="[958,1049,698,723]" pageId="78" pageNumber="79">Ilhabela</collectingCounty>
,
<collectingMunicipality id="287AACE2FF87A86A8C18DD96FBF0FD01" box="[1069,1110,698,723]" pageId="78" pageNumber="79">Ilha</collectingMunicipality>
dos BÚzios,
<location id="CD7E6043FF87A86A8CCEDD96FA74FD01" LSID="urn:lsid:plazi:treatment:4008878EFF87A86A8C31DED6FA3BF7C1:CD7E6043FF87A86A8CCEDD96FA74FD01" box="[1275,1490,698,723]" country="Brazil" county="Ilhabela" latitude="-23.796034" longLatPrecision="1" longitude="-45.1547" municipality="Ilha" name="Costa do Aquario" pageId="78" pageNumber="79" stateProvince="Sao Paulo">Costa do Aquário</location>
,
<geoCoordinate id="AD95505FFF87A86A8B50DDF6FC40FD21" box="[869,998,729,755]" degrees="23" direction="south" minutes="47.762" orientation="latitude" pageId="78" pageNumber="79" precision="1" value="-23.796034">23°47.762S</geoCoordinate>
<geoCoordinate id="AD95505FFF87A86A8BDEDDF6FBCCFD21" box="[1003,1130,729,755]" degrees="45" direction="west" minutes="9.282" orientation="longitude" pageId="78" pageNumber="79" precision="1" value="-45.1547">45°9.282W</geoCoordinate>
,
<quantity id="0F599B7DFF87A86A8C44DDF6FB0CFD21" box="[1137,1194,730,755]" metricMagnitude="1" metricUnit="m" metricValue="1.0" pageId="78" pageNumber="79" unit="m" value="10.0">
<elevation id="438CD1ABFF87A86A8C44DDF6FB0CFD21" box="[1137,1194,730,755]" metricMagnitude="1" metricUnit="m" metricValue="1.0" pageId="78" pageNumber="79" unit="m" value="10.0">10 m</elevation>
</quantity>
,
<specimenCode id="98079EE3FF87A86A8C87DDF6FAEAFD21" box="[1202,1356,730,755]" collectionCode="MZSP" country="Brazil" httpUri="http://grbio.org/cool/9yp6-zxp9" name="Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo" pageId="78" pageNumber="79" type="Museum">MZSP 105570</specimenCode>
,
<specimenCode id="98079EE3FF87A86A8D61DDF6FAC4FD21" box="[1364,1378,730,755]" collectionCode="MZSP" country="Brazil" httpUri="http://grbio.org/cool/9yp6-zxp9" name="Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo" pageId="78" pageNumber="79" type="Museum">1</specimenCode>
spm (Simone
<emphasis id="FAD5EA8AFF87A86A8BA3DDD6FC65FCC1" box="[918,963,762,787]" italics="true" pageId="78" pageNumber="79">et al</emphasis>
. col.,
<date id="BC1F1058FF87A86A8BCADDD6FBCAFCC1" box="[1023,1132,762,787]" pageId="78" pageNumber="79" value="2012-05-16">
<collectingDate id="AC5BE9B0FF87A86A8BCADDD6FBCAFCC1" box="[1023,1132,762,787]" pageId="78" pageNumber="79" value="2012-05-16">16.v.2012</collectingDate>
</date>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="80BB6513FF87A86A8B50DC16FA2FFC41" pageId="78" pageNumber="79" type="materials_examined">
<paragraph id="C81E3698FF87A86A8B50DC16FA2FFC41" blockId="78.[869,1494,826,915]" pageId="78" pageNumber="79">
<materialsCitation id="78C93CC5FF87A86A8B50DC16FAA8FC81" box="[869,1294,826,851]" country="Brazil" location="Sao Paulo" pageId="78" pageNumber="79" specimenCount="1" stateProvince="Sao Paulo" typeStatus="holotype">
<emphasis id="FAD5EA8AFF87A86A8B50DC16FBB6FC81" bold="true" box="[869,1040,826,851]" pageId="78" pageNumber="79">
<typeStatus id="171A883AFF87A86A8B50DC16FC38FC81" box="[869,926,826,851]" pageId="78" pageNumber="79">Type</typeStatus>
locality:
</emphasis>
<collectingCountry id="B0B67608FF87A86A8C11DC16FBD0FC81" box="[1060,1142,826,851]" name="Brazil" pageId="78" pageNumber="79">BRAZIL</collectingCountry>
.
<emphasis id="FAD5EA8AFF87A86A8CB9DC16FAA8FC81" bold="true" box="[1164,1294,826,851]" pageId="78" pageNumber="79">
<collectingRegion id="0A65F87AFF87A86A8CB9DC16FAA8FC81" box="[1164,1294,826,851]" country="Brazil" name="Sao Paulo" pageId="78" pageNumber="79">São Paulo</collectingRegion>
</emphasis>
</materialsCitation>
;
<materialsCitation id="78C93CC5FF87A86A8D1DDC16FA22FC41" collectingDate="2011-10-05" collectorName="Sao Sebastiao &amp; da Tartaruga" country="Brazil" elevation="17" latitude="-45.704777" location="Saco da Tartaruga" municipality="Ilha dos Alcatrazes" pageId="78" pageNumber="79" specimenCount="1" stateProvince="Sao Paulo" typeStatus="holotype">
<collectorName id="6554534EFF87A86A8D1DDC16FA74FC81" box="[1320,1490,826,851]" pageId="78" pageNumber="79">São Sebastião</collectorName>
,
<collectingMunicipality id="287AACE2FF87A86A8B50DC76FBE2FCA1" box="[869,1092,858,883]" pageId="78" pageNumber="79">Ilha dos Alcatrazes</collectingMunicipality>
,
<location id="CD7E6043FF87A86A8C61DC76FA8AFCA1" LSID="urn:lsid:plazi:treatment:4008878EFF87A86A8C31DED6FA3BF7C1:CD7E6043FF87A86A8C61DC76FA8AFCA1" box="[1108,1324,858,883]" country="Brazil" latitude="-45.704777" municipality="Ilha dos Alcatrazes" name="Saco da Tartaruga" pageId="78" pageNumber="79" stateProvince="Sao Paulo">
Saco
<collectorName id="6554534EFF87A86A8CA3DC76FA8AFCA1" box="[1174,1324,858,883]" pageId="78" pageNumber="79">da Tartaruga</collectorName>
</location>
,
<geoCoordinate id="AD95505FFF87A86A8D09DC76FA73FCA1" box="[1340,1493,857,883]" degrees="24" direction="south" minutes="06" orientation="latitude" pageId="78" pageNumber="79" precision="1" seconds="24.95" value="-24.106932">24°0624.95″S</geoCoordinate>
<geoCoordinate id="AD95505FFF87A86A8B50DC56FBA7FC41" box="[869,1025,889,915]" degrees="45" direction="south" minutes="42" orientation="latitude" pageId="78" pageNumber="79" precision="1" seconds="17.19" value="-45.704777">45°4217.19″S</geoCoordinate>
,
<quantity id="0F599B7DFF87A86A8C3CDC56FBE6FC41" box="[1033,1088,890,915]" metricMagnitude="1" metricUnit="m" metricValue="1.7" pageId="78" pageNumber="79" unit="m" value="17.0">
<elevation id="438CD1ABFF87A86A8C3CDC56FBE6FC41" box="[1033,1088,890,915]" metricMagnitude="1" metricUnit="m" metricValue="1.7" pageId="78" pageNumber="79" unit="m" value="17.0">17 m</elevation>
</quantity>
(Simone
<emphasis id="FAD5EA8AFF87A86A8C9DDC56FB73FC41" box="[1192,1237,890,915]" italics="true" pageId="78" pageNumber="79">et al</emphasis>
. col.,
<date id="BC1F1058FF87A86A8D24DC56FAD9FC41" box="[1297,1407,890,915]" pageId="78" pageNumber="79" value="2011-10-05">
<collectingDate id="AC5BE9B0FF87A86A8D24DC56FAD9FC41" box="[1297,1407,890,915]" pageId="78" pageNumber="79" value="2011-10-05">05.x.2011</collectingDate>
</date>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="80BB6513FF87A86A8B50DC96FAF7FBE1" pageId="78" pageNumber="79" type="diagnosis">
<paragraph id="C81E3698FF87A86A8B50DC96FAF7FBE1" blockId="78.[869,1494,954,1075]" pageId="78" pageNumber="79">
<emphasis id="FAD5EA8AFF87A86A8B50DC96FC47FC01" bold="true" box="[869,993,954,979]" pageId="78" pageNumber="79">Diagnosis:</emphasis>
SE Brazilian species, with adult up to ~
<quantity id="0F599B7DFF87A86A8B44DCF6FC72FC21" box="[881,980,986,1011]" metricMagnitude="-1" metricUnit="m" metricValue="2.5" pageId="78" pageNumber="79" unit="mm" value="250.0">250 mm</quantity>
; color light beige-translucent. Umbonal angle ~40°. Sculpture ~10 radial wide folds, relatively uniform, each one entirely wide, usually rich in scales.
</paragraph>
</subSubSection>
<subSubSection id="80BB6513FF87A86A8B50DB76FBAEF8E1" pageId="78" pageNumber="79" type="description">
<paragraph id="C81E3698FF87A86A8B50DB76FBAEF8E1" blockId="78.[869,1494,1114,1843]" pageId="78" pageNumber="79">
<emphasis id="FAD5EA8AFF87A86A8B50DB76FC50FBA1" bold="true" box="[869,1014,1114,1139]" pageId="78" pageNumber="79">Description:</emphasis>
Shell up to ~
<quantity id="0F599B7DFF87A86A8C95DB76FAAFFBA1" box="[1184,1289,1114,1139]" metricMagnitude="-1" metricUnit="m" metricValue="2.5" pageId="78" pageNumber="79" unit="mm" value="250.0">250 mm</quantity>
. Basic color light beige-translucent. Antero-posteriorly long, 2.4-2.1 times longer than heigh; flattened, ~6 times longer than wide. Middle blunt longitudinal weakly carina developed, more pronounced in anterior third (
<figureCitation id="509A2A1DFF87A86A8CC6DBF6FA63FB21" box="[1267,1477,1242,1267]" captionStart="Figure 53" captionStartId="79.[94,153,1198,1223]" captionTargetBox="[94,1417,204,1168]" captionTargetId="figure-433@79.[94,1417,204,1168]" captionTargetPageId="79" captionText="Figure 53.Pinna nembia typeshells:(A-D) Holotype MZSP102181 (L 254 mm);(A) rightvalve,outer view;(B) same,innerview;(C) left valve,outerview;(D) same, inner view;(E-G) paratype MZSP 165698#1 (L 237 mm), right,left and ventral views;(H-I) paratype MZSP 105570 (L 185 mm), right and left views." figureDoi="http://doi.org/10.5281/zenodo.14705688" httpUri="https://zenodo.org/record/14705688/files/figure.png" pageId="78" pageNumber="79">Fig. 53A, C, E, F, H, I</figureCitation>
). Sculpture growth lines, with weak concentric undulations in more posterior regions; sparse scales in posterior half (
<figureCitation id="509A2A1DFF87A86A8BA9DA16FC5CFA81" box="[924,1018,1338,1363]" captionStart="Figure 53" captionStartId="79.[94,153,1198,1223]" captionTargetBox="[94,1417,204,1168]" captionTargetId="figure-433@79.[94,1417,204,1168]" captionTargetPageId="79" captionText="Figure 53.Pinna nembia typeshells:(A-D) Holotype MZSP102181 (L 254 mm);(A) rightvalve,outer view;(B) same,innerview;(C) left valve,outerview;(D) same, inner view;(E-G) paratype MZSP 165698#1 (L 237 mm), right,left and ventral views;(H-I) paratype MZSP 105570 (L 185 mm), right and left views." figureDoi="http://doi.org/10.5281/zenodo.14705688" httpUri="https://zenodo.org/record/14705688/files/figure.png" pageId="78" pageNumber="79">Fig. 53G</figureCitation>
); ~10 radial (longitudinal) folds, all of them appearing uniform undulations since anterior beak, increasing like that up to posterior margin, sometimes in straight manner (
<figureCitation id="509A2A1DFF87A86A8C1DDAB6FB06FA61" box="[1064,1184,1434,1459]" captionStart="Figure 53" captionStartId="79.[94,153,1198,1223]" captionTargetBox="[94,1417,204,1168]" captionTargetId="figure-433@79.[94,1417,204,1168]" captionTargetPageId="79" captionText="Figure 53.Pinna nembia typeshells:(A-D) Holotype MZSP102181 (L 254 mm);(A) rightvalve,outer view;(B) same,innerview;(C) left valve,outerview;(D) same, inner view;(E-G) paratype MZSP 165698#1 (L 237 mm), right,left and ventral views;(H-I) paratype MZSP 105570 (L 185 mm), right and left views." figureDoi="http://doi.org/10.5281/zenodo.14705688" httpUri="https://zenodo.org/record/14705688/files/figure.png" pageId="78" pageNumber="79">Fig. 53C, E</figureCitation>
), sometimes with weak undulations, mainly posterior (
<figureCitation id="509A2A1DFF87A86A8C93DA96FA94FA01" box="[1190,1330,1466,1491]" captionStart="Figure 53" captionStartId="79.[94,153,1198,1223]" captionTargetBox="[94,1417,204,1168]" captionTargetId="figure-433@79.[94,1417,204,1168]" captionTargetPageId="79" captionText="Figure 53.Pinna nembia typeshells:(A-D) Holotype MZSP102181 (L 254 mm);(A) rightvalve,outer view;(B) same,innerview;(C) left valve,outerview;(D) same, inner view;(E-G) paratype MZSP 165698#1 (L 237 mm), right,left and ventral views;(H-I) paratype MZSP 105570 (L 185 mm), right and left views." figureDoi="http://doi.org/10.5281/zenodo.14705688" httpUri="https://zenodo.org/record/14705688/files/figure.png" pageId="78" pageNumber="79">Fig. 53F, H, I</figureCitation>
). Dorsal edge practically straight (
<figureCitation id="509A2A1DFF87A86A8C72DAF6FB19FA21" box="[1095,1215,1498,1523]" captionStart="Figure 53" captionStartId="79.[94,153,1198,1223]" captionTargetBox="[94,1417,204,1168]" captionTargetId="figure-433@79.[94,1417,204,1168]" captionTargetPageId="79" captionText="Figure 53.Pinna nembia typeshells:(A-D) Holotype MZSP102181 (L 254 mm);(A) rightvalve,outer view;(B) same,innerview;(C) left valve,outerview;(D) same, inner view;(E-G) paratype MZSP 165698#1 (L 237 mm), right,left and ventral views;(H-I) paratype MZSP 105570 (L 185 mm), right and left views." figureDoi="http://doi.org/10.5281/zenodo.14705688" httpUri="https://zenodo.org/record/14705688/files/figure.png" pageId="78" pageNumber="79">Fig. 53E, F</figureCitation>
) or with weak posterior curve (
<figureCitation id="509A2A1DFF87A86A8B87DAD6FC5BF9C1" box="[946,1021,1530,1555]" captionStart="Figure 53" captionStartId="79.[94,153,1198,1223]" captionTargetBox="[94,1417,204,1168]" captionTargetId="figure-433@79.[94,1417,204,1168]" captionTargetPageId="79" captionText="Figure 53.Pinna nembia typeshells:(A-D) Holotype MZSP102181 (L 254 mm);(A) rightvalve,outer view;(B) same,innerview;(C) left valve,outerview;(D) same, inner view;(E-G) paratype MZSP 165698#1 (L 237 mm), right,left and ventral views;(H-I) paratype MZSP 105570 (L 185 mm), right and left views." figureDoi="http://doi.org/10.5281/zenodo.14705688" httpUri="https://zenodo.org/record/14705688/files/figure.png" pageId="78" pageNumber="79">Fig. 53</figureCitation>
A-D, H-I); ventral edge straight (
<figureCitation id="509A2A1DFF87A86A8D53DAD6FA14F9C1" box="[1382,1458,1530,1555]" captionStart="Figure 53" captionStartId="79.[94,153,1198,1223]" captionTargetBox="[94,1417,204,1168]" captionTargetId="figure-433@79.[94,1417,204,1168]" captionTargetPageId="79" captionText="Figure 53.Pinna nembia typeshells:(A-D) Holotype MZSP102181 (L 254 mm);(A) rightvalve,outer view;(B) same,innerview;(C) left valve,outerview;(D) same, inner view;(E-G) paratype MZSP 165698#1 (L 237 mm), right,left and ventral views;(H-I) paratype MZSP 105570 (L 185 mm), right and left views." figureDoi="http://doi.org/10.5281/zenodo.14705688" httpUri="https://zenodo.org/record/14705688/files/figure.png" pageId="78" pageNumber="79">Fig. 53</figureCitation>
E-I) to sightly convex (
<figureCitation id="509A2A1DFF87A86A8C71D936FB32F9E1" box="[1092,1172,1562,1587]" captionStart="Figure 53" captionStartId="79.[94,153,1198,1223]" captionTargetBox="[94,1417,204,1168]" captionTargetId="figure-433@79.[94,1417,204,1168]" captionTargetPageId="79" captionText="Figure 53.Pinna nembia typeshells:(A-D) Holotype MZSP102181 (L 254 mm);(A) rightvalve,outer view;(B) same,innerview;(C) left valve,outerview;(D) same, inner view;(E-G) paratype MZSP 165698#1 (L 237 mm), right,left and ventral views;(H-I) paratype MZSP 105570 (L 185 mm), right and left views." figureDoi="http://doi.org/10.5281/zenodo.14705688" httpUri="https://zenodo.org/record/14705688/files/figure.png" pageId="78" pageNumber="79">Fig. 53</figureCitation>
A-D); posterior edge amply rounded (
<figureCitation id="509A2A1DFF87A86A8BEDD916FB8FF981" box="[984,1065,1594,1619]" captionStart="Figure 53" captionStartId="79.[94,153,1198,1223]" captionTargetBox="[94,1417,204,1168]" captionTargetId="figure-433@79.[94,1417,204,1168]" captionTargetPageId="79" captionText="Figure 53.Pinna nembia typeshells:(A-D) Holotype MZSP102181 (L 254 mm);(A) rightvalve,outer view;(B) same,innerview;(C) left valve,outerview;(D) same, inner view;(E-G) paratype MZSP 165698#1 (L 237 mm), right,left and ventral views;(H-I) paratype MZSP 105570 (L 185 mm), right and left views." figureDoi="http://doi.org/10.5281/zenodo.14705688" httpUri="https://zenodo.org/record/14705688/files/figure.png" pageId="78" pageNumber="79">Fig. 53</figureCitation>
H-I) to weakly flattened (
<figureCitation id="509A2A1DFF87A86A8D66D916FA05F981" box="[1363,1443,1594,1619]" captionStart="Figure 53" captionStartId="79.[94,153,1198,1223]" captionTargetBox="[94,1417,204,1168]" captionTargetId="figure-433@79.[94,1417,204,1168]" captionTargetPageId="79" captionText="Figure 53.Pinna nembia typeshells:(A-D) Holotype MZSP102181 (L 254 mm);(A) rightvalve,outer view;(B) same,innerview;(C) left valve,outerview;(D) same, inner view;(E-G) paratype MZSP 165698#1 (L 237 mm), right,left and ventral views;(H-I) paratype MZSP 105570 (L 185 mm), right and left views." figureDoi="http://doi.org/10.5281/zenodo.14705688" httpUri="https://zenodo.org/record/14705688/files/figure.png" pageId="78" pageNumber="79">Fig. 53</figureCitation>
A-F). Hinge edentulous, with ligament all along it, from anterior beak, up to short region posterior to posterior edge. Posterior region and posterior quarter of ventral region with opened gap (
<figureCitation id="509A2A1DFF87A86A8C09D996FB38F901" box="[1084,1182,1722,1747]" captionStart="Figure 53" captionStartId="79.[94,153,1198,1223]" captionTargetBox="[94,1417,204,1168]" captionTargetId="figure-433@79.[94,1417,204,1168]" captionTargetPageId="79" captionText="Figure 53.Pinna nembia typeshells:(A-D) Holotype MZSP102181 (L 254 mm);(A) rightvalve,outer view;(B) same,innerview;(C) left valve,outerview;(D) same, inner view;(E-G) paratype MZSP 165698#1 (L 237 mm), right,left and ventral views;(H-I) paratype MZSP 105570 (L 185 mm), right and left views." figureDoi="http://doi.org/10.5281/zenodo.14705688" httpUri="https://zenodo.org/record/14705688/files/figure.png" pageId="78" pageNumber="79">Fig. 53G</figureCitation>
). Inner surface glossy, with pair of iridescent regions in anterior third, separated by narrow longitudinal opaque band (
<figureCitation id="509A2A1DFF87A86A8CDCD9D6FAF9F8C1" box="[1257,1375,1786,1811]" captionStart="Figure 53" captionStartId="79.[94,153,1198,1223]" captionTargetBox="[94,1417,204,1168]" captionTargetId="figure-433@79.[94,1417,204,1168]" captionTargetPageId="79" captionText="Figure 53.Pinna nembia typeshells:(A-D) Holotype MZSP102181 (L 254 mm);(A) rightvalve,outer view;(B) same,innerview;(C) left valve,outerview;(D) same, inner view;(E-G) paratype MZSP 165698#1 (L 237 mm), right,left and ventral views;(H-I) paratype MZSP 105570 (L 185 mm), right and left views." figureDoi="http://doi.org/10.5281/zenodo.14705688" httpUri="https://zenodo.org/record/14705688/files/figure.png" pageId="78" pageNumber="79">Fig. 53B, D</figureCitation>
); muscular scars not clear.
</paragraph>
</subSubSection>
<subSubSection id="80BB6513FF87A86A8B50D876FA17F801" pageId="78" pageNumber="79" type="etymology">
<paragraph id="C81E3698FF87A86A8B50D876FA17F801" blockId="78.[869,1493,1882,2003]" pageId="78" pageNumber="79">
<emphasis id="FAD5EA8AFF87A86A8B50D876FC4BF8A1" bold="true" box="[869,1005,1882,1907]" pageId="78" pageNumber="79">Etymology:</emphasis>
The specific epithet is a Latinization of the native Guarani word
<emphasis id="FAD5EA8AFF87A86A8C7BD856FB3AF841" box="[1102,1180,1914,1939]" italics="true" pageId="78" pageNumber="79">ñemby,</emphasis>
meaning &quot;south,&quot; in allusion to the southern occurrence of the species. It is the southernmost species of the genus in the Western Atlantic.
</paragraph>
</subSubSection>
<subSubSection id="80BB6513FF87A86A8B50D8D6FA3BF7C1" box="[869,1437,2042,2067]" pageId="78" pageNumber="79" type="distribution">
<paragraph id="C81E3698FF87A86A8B50D8D6FA3BF7C1" blockId="78.[869,1437,2042,2067]" box="[869,1437,2042,2067]" pageId="78" pageNumber="79">
<emphasis id="FAD5EA8AFF87A86A8B50D8D6FC5BF7C1" bold="true" box="[869,1021,2042,2067]" pageId="78" pageNumber="79">Distribution:</emphasis>
Coasts of
<collectingRegion id="0A65F87AFF87A86A8C58D8D6FAAEF7C1" box="[1133,1288,2042,2067]" country="Brazil" name="Rio de Janeiro" pageId="78" pageNumber="79">Rio de Janeiro</collectingRegion>
to
<collectingRegion id="0A65F87AFF87A86A8D1ED8D6FA3FF7C1" box="[1323,1433,2042,2067]" country="Brazil" name="Sao Paulo" pageId="78" pageNumber="79">São Paulo</collectingRegion>
.
</paragraph>
</subSubSection>
</treatment>
</document>