87 lines
9.8 KiB
XML
87 lines
9.8 KiB
XML
<document id="7049C03818E7D1D02BFE0E0D35434AE7" ID-DOI="10.1206/0003-0082(2001)347<0001:SLBPFT>2.0.CO;2" ID-ISSN="0003-0082" ID-Zenodo-Dep="5372008" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630271445410" checkinUser="carolina" docAuthor="BOYD, DONALD W. & NEWELL, NORMAN D." docDate="2001" docId="9C773023EC0AC269FCE4068CFC98FB74" docLanguage="en" docName="N3347.pdf" docOrigin="American Museum Novitates 3347" docSource="http://www.bioone.org/doi/abs/10.1206/0003-0082%282001%29347%3C0001%3ASLBPFT%3E2.0.CO%3B2" docStyle="DocumentStyle:70DDF1BDF6846024993F05262BAE3001.3:AmMusNovit.2000-2010.journal_article.type1" docStyleId="70DDF1BDF6846024993F05262BAE3001" docStyleName="AmMusNovit.2000-2010.journal_article.type1" docStyleVersion="3" docTitle="Pterineidae MILLER 1877" docType="treatment" docVersion="4" lastPageNumber="3" masterDocId="604E485BEC0BC26BFFEA033AFFEEFFF7" masterDocTitle="Silicified Leptodesma (Bivalvia; Pteriomorphia) from the Texas Permian" masterLastPageNumber="11" masterPageNumber="1" pageNumber="2" updateTime="1699207011924" updateUser="plazi" zenodo-license-document="CC-BY-4.0">
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<mods:titleInfo id="F58C3E6C1D3DD83DD59E6550F80885BB">
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<mods:title id="B095A1B6F922C1004BFB3F09E603E35B">Silicified Leptodesma (Bivalvia; Pteriomorphia) from the Texas Permian</mods:title>
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<mods:namePart id="964BBB28F6BCE54F93584A9901499C51">BOYD, DONALD W.</mods:namePart>
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<mods:roleTerm id="5A119E85DCE7F5FD00BC0836BB0A58AC">Author</mods:roleTerm>
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<mods:namePart id="5D3C7C15592728A081D39A5990D6ACFB">NEWELL, NORMAN D.</mods:namePart>
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<mods:title id="632ADF7A5B27A013FB304A817A54AF81">American Museum Novitates</mods:title>
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</mods:titleInfo>
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<mods:part id="617DB7A7D071DF52B52D26F6C649F775">
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<mods:date id="C85F4063B2F2AB02510C966CFBA47FCE">2001</mods:date>
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<mods:number id="5624AE01CBBAF1E377B98D6A1C5D3AF9">2001-08-28</mods:number>
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<mods:detail id="8C2C4780EFCD2D4ECA5ED7000658001F" type="volume">
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<mods:number id="343A1DE583A63731E90CB4868FB50310">3347</mods:number>
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<mods:url id="470B309A624C7ADB2587800448AC7C04">http://www.bioone.org/doi/abs/10.1206/0003-0082%282001%29347%3C0001%3ASLBPFT%3E2.0.CO%3B2</mods:url>
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<mods:classification id="626C73A074741D1BD1121A8A2B9CD882">journal article</mods:classification>
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<mods:identifier id="771D193DF08C60E81FB1BEE247A212BD" type="DOI">10.1206/0003-0082(2001)347<0001:SLBPFT>2.0.CO;2</mods:identifier>
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<mods:identifier id="9918A75AFAFE657C543ACC971A8D2117" type="ISSN">0003-0082</mods:identifier>
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<mods:identifier id="9FD39ADA59EC3480C80CE8FB0DBD7CB6" type="Zenodo-Dep">5372008</mods:identifier>
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<treatment id="9C773023EC0AC269FCE4068CFC98FB74" ID-DOI="http://doi.org/10.5281/zenodo.5462832" ID-Zenodo-Dep="5462832" LSID="urn:lsid:plazi:treatment:9C773023EC0AC269FCE4068CFC98FB74" httpUri="http://treatment.plazi.org/id/9C773023EC0AC269FCE4068CFC98FB74" lastPageId="2" lastPageNumber="3" pageId="1" pageNumber="2">
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<subSubSection id="5CC4D2BEEC0AC26AFCE4068CFB6AFA3A" box="[782,1156,1462,1485]" pageId="1" pageNumber="2" type="nomenclature">
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<paragraph id="14618135EC0AC26AFCE4068CFB6AFA3A" blockId="1.[782,1156,1462,1485]" box="[782,1156,1462,1485]" pageId="1" pageNumber="2">
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<heading id="4F293659EC0AC26AFCE4068CFB6AFA3A" allCaps="true" box="[782,1156,1462,1485]" centered="true" fontSize="10" level="1" pageId="1" pageNumber="2" reason="1">
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THE FAMILY
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<taxonomicName id="D3DEFAB6EC0AC26AFC2D068CFB6AFA3A" ID-CoL="7NKRX" authorityName="MILLER" authorityYear="1877" box="[967,1156,1462,1485]" class="Bivalvia" family="Pterineidae" kingdom="Animalia" order="Ostreida" pageId="1" pageNumber="2" phylum="Mollusca" rank="family">PTERINEIDAE</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="5CC4D2BEEC0AC269FD3706DDFC98FB74" lastPageId="2" lastPageNumber="3" pageId="1" pageNumber="2" type="description">
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<paragraph id="14618135EC0AC269FD3706DDFEFAFBBF" blockId="1.[704,1233,1511,1741]" lastBlockId="2.[124,653,897,1741]" lastPageId="2" lastPageNumber="3" pageId="1" pageNumber="2">
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For students of Paleozoic bivalves, the pteriomorphian family
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<taxonomicName id="D3DEFAB6EC0AC26AFC1A053FFB90F9EB" authorityName="MILLER" authorityYear="1877" box="[1008,1150,1541,1564]" class="Bivalvia" family="Pterineidae" kingdom="Animalia" order="Ostreida" pageId="1" pageNumber="2" phylum="Mollusca" rank="family">Pterineidae</taxonomicName>
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poses more than its share of problems. It is composed of numerous Paleozoic genera with or without surface ornament. They are characterized by retrocrescent shape, forwardpositioned beak, small anterior auricle, large posterior wing, and a dentate hinge plate with a duplivincular ligament insertion (Newell and LaRocque, 1969: 299). The poor preservation typical of pterineid fossils has resulted in a proliferation of poorly characterized taxa with little morphological information other than general shape and ornamentation.
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</paragraph>
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<caption id="40A1D1BDEC09C269FF7C01CFFC6EFCB7" ID-DOI="http://doi.org/10.5281/zenodo.5372012" ID-Zenodo-Dep="5372012" httpUri="https://zenodo.org/record/5372012/files/figure.png" pageId="2" pageNumber="3" startId="2.[150,188,757,778]" targetBox="[226,1129,184,735]" targetPageId="2">
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<paragraph id="14618135EC09C269FF7C01CFFC6EFCB7" blockId="2.[124,1229,757,832]" pageId="2" pageNumber="3">
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Fig. 2.
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<taxonomicName id="D3DEFAB6EC09C269FF1201CCFD7DFCFD" authority="Boyd and Newell" authorityName="Boyd and Newell" authorityYear="2001" box="[248,659,757,779]" class="Bivalvia" family="Pterineidae" genus="Leptodesma" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreida" pageId="2" pageNumber="3" phylum="Mollusca" rank="species" species="falcata" status="sp. nov.">
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<emphasis id="26AA5D27EC09C269FF1201CCFE27FCFC" box="[248,457,758,779]" italics="true" pageId="2" pageNumber="3">Leptodesma falcata</emphasis>
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Boyd and Newell
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</taxonomicName>
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,
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<taxonomicNameLabel id="3D99E05CEC09C269FD4B01CFFCCBFCFD" box="[673,805,757,778]" pageId="2" pageNumber="3" rank="species">new species</taxonomicNameLabel>
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, silicified articulated shell, USNM loc. 703c, USNM 431329.
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<emphasis id="26AA5D27EC09C269FE98002AFE7CFCD2" bold="true" box="[370,402,784,805]" pageId="2" pageNumber="3">a1.</emphasis>
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RV toward viewer; note strongly discordant valve margins;
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<emphasis id="26AA5D27EC09C269FBC9002AFBADFCD2" bold="true" box="[1059,1091,784,805]" pageId="2" pageNumber="3">a2.</emphasis>
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anterior end toward viewer; slitlike byssal gape visible in upper part of commissure.
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</paragraph>
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</caption>
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<paragraph id="14618135EC09C269FF730774FE72F964" blockId="2.[124,653,897,1741]" pageId="2" pageNumber="3">
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The unsatisfactory status of pterineid genericlevel taxonomy was recognized decades ago by McAlester (1962: 12, 26) who eloquently expressed his frustration in assigning generic names to Devonian pterioid species. The uncertainty concerning taxonomic significance of particular morphological features has been echoed by others (e.g., Pojeta et al., 1986: 92). Given this state of affairs, it is not surprising that phylogenetic relationships of the
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<taxonomicName id="D3DEFAB6EC09C269FE9C064EFE17FA7C" authorityName="MILLER" authorityYear="1877" box="[374,505,1396,1419]" class="Bivalvia" family="Pterineidae" kingdom="Animalia" order="Ostreida" pageId="2" pageNumber="3" phylum="Mollusca" rank="family">Pterineidae</taxonomicName>
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are matters for speculation. In a recent paper dealing with bivalve phylogeny, Waller (1998: 26) interpreted the
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<taxonomicName id="D3DEFAB6EC09C269FEDE06F6FE59FA14" authorityName="MILLER" authorityYear="1877" box="[308,439,1484,1507]" class="Bivalvia" family="Pterineidae" kingdom="Animalia" order="Ostreida" pageId="2" pageNumber="3" phylum="Mollusca" rank="family">Pterineidae</taxonomicName>
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as a paraphyletic stem group that gave rise to several other pteriomorphian clades. In his analysis, pterineid plesiomorphic characters include the duplivincular ligament and the shell structure consisting of inner nacreous layers and outer prismatic calcitic layers.
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</paragraph>
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<paragraph id="14618135EC09C269FF7305A3FBADFBDC" blockId="2.[124,653,897,1741]" lastBlockId="2.[700,1229,897,1155]" pageId="2" pageNumber="3">Another controversial subject involves pterineid mode of life. Theories and evidence concerning life habits were reviewed by Johnston (1993). That paper, based on unusually wellpreserved Devonian material, provides a perceptive analysis of the possible functional significance of various morphologic features of pterineid shells.</paragraph>
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<paragraph id="14618135EC09C269FD33070BFC98FB74" blockId="2.[700,1229,897,1155]" pageId="2" pageNumber="3">The classification below follows that of the Treatise on Invertebrate Paleontology (Newell, 1969).</paragraph>
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</subSubSection>
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</treatment>
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</document> |