120 lines
12 KiB
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120 lines
12 KiB
XML
<document id="CBCB0844901CD88B8B6D01E621FF0AB7" ID-DOI="10.5070/P940561331" ID-ISSN="0031-0298" ID-Zenodo-Dep="10913477" ID-ZooBank="1756B24A-813B-423F-896F-91B21FF58A79" 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="1712169731283" checkinUser="felipe" docAuthor="Hickman, Carole S." docDate="2023" docId="C23987DDFFEE292AFEB6FAC0EB47BBEE" docLanguage="en" docName="PaleoBios.40.5.1-51.pdf" docOrigin="PaleoBios 40 (5)" docSource="http://dx.doi.org/10.5070/p940561331" docStyle="DocumentStyle:76F55B8832C4952BA7DD61B33E1F0E81.1:PaleoBios.2023-.journal_article" docStyleId="76F55B8832C4952BA7DD61B33E1F0E81" docStyleName="PaleoBios.2023-.journal_article" docStyleVersion="1" docTitle="Bathyisognomon N. GEN" docType="treatment" docVersion="2" lastPageNumber="21" masterDocId="3E00FFA5FFF8293CFF9FFFA4EE04BD6F" masterDocTitle="Paleogene marine bivalves of the deep-water Keasey Formation in Oregon, Part II: The pteriomorphs" masterLastPageNumber="51" masterPageNumber="1" pageNumber="21" updateTime="1712170163329" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-NC-SA-4.0">
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<mods:titleInfo id="7507E185DBB5953FB156219C71C2D03B">
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<mods:title id="63D808561DBB0AC19F4EF7203ED07CDF">Paleogene marine bivalves of the deep-water Keasey Formation in Oregon, Part II: The pteriomorphs</mods:title>
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<mods:name id="E4E1F231C3AFBB930EF54D1AFC4D0D93" type="personal">
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<mods:roleTerm id="EE27B9E933FFACAB6E84DD1D9CD2B16C">Author</mods:roleTerm>
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<mods:namePart id="A98BD83AB4953263BC4C93B4A40066B0">Hickman, Carole S.</mods:namePart>
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<mods:typeOfResource id="D618A262BB586DEDC77C9760FB409924">text</mods:typeOfResource>
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<mods:title id="B0754CDA5EAFCF38ADBA8F8C8C84BD95">PaleoBios</mods:title>
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</mods:titleInfo>
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<mods:part id="7D6F7BDFB75CCCBFEFA459CFB4D986B7">
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<mods:date id="2D7F38DC8360EABF7FCB84E6B3E5B5B9">2023</mods:date>
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<mods:number id="C97711B9DF0578370F4DDB80A74FF2A8">2023-06-08</mods:number>
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<mods:number id="818D42021133F8FDA5963C73404C7830">40</mods:number>
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<mods:number id="356E2DD0B16A6A6A652BB221ED9E9665">5</mods:number>
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<mods:start id="57EA48BB61A7EECC99AD8C97CB23025F">1</mods:start>
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<mods:url id="9EFBE32B37B08FBC0F44E0E556426CCF">http://dx.doi.org/10.5070/p940561331</mods:url>
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</mods:location>
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<mods:classification id="07601FC0838F6CC25B84624D294B57E5">journal article</mods:classification>
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<mods:identifier id="44FFD0560FB6D674942A9E3A0484A55C" type="DOI">10.5070/P940561331</mods:identifier>
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<mods:identifier id="030502AAD3DE418F6DDFDCF1B29E0C1F" type="ISSN">0031-0298</mods:identifier>
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<mods:identifier id="DACFDE35F03F91355FA5289A713784CF" type="Zenodo-Dep">10913477</mods:identifier>
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<mods:identifier id="639D4A79242CBE47A57B47D0878D0F51" type="ZooBank">1756B24A-813B-423F-896F-91B21FF58A79</mods:identifier>
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</mods:mods>
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<treatment id="C23987DDFFEE292AFEB6FAC0EB47BBEE" LSID="urn:lsid:plazi:treatment:C23987DDFFEE292AFEB6FAC0EB47BBEE" httpUri="http://treatment.plazi.org/id/C23987DDFFEE292AFEB6FAC0EB47BBEE" lastPageNumber="21" pageId="22" pageNumber="21">
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<subSubSection id="028A6540FFEE292AFEB6FAC0EC63B8EF" box="[297,615,1380,1408]" pageId="22" pageNumber="21" type="nomenclature">
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<paragraph id="4A2F36CBFFEE292AFEB6FAC0EC63B8EF" blockId="22.[297,615,1380,1408]" box="[297,615,1380,1408]" pageId="22" pageNumber="21">
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<heading id="116781A7FFEE292AFEB6FAC0EC63B8EF" allCaps="true" box="[297,615,1380,1408]" centered="true" fontSize="10" level="2" pageId="22" pageNumber="21" reason="2">
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<taxonomicName id="8D904D48FFEE292AFEB6FAC0EC63B8EF" ID-CoL="BJ434" authority="N. GEN" authorityName="N. GEN" box="[297,615,1380,1408]" class="Bivalvia" family="Isognomonidae" genus="Bathyisognomon" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Ostreida" pageId="22" pageNumber="21" phylum="Mollusca" rank="genus">
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<emphasis id="78E4EAD9FFEE292AFEB6FAC0EC17B8EF" box="[297,531,1380,1408]" italics="true" pageId="22" pageNumber="21">BATHYISOGNOMON</emphasis>
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N. GEN
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="028A6540FFEE292AFF0FFA30EC1EBB54" pageId="22" pageNumber="21" type="type_taxon">
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<paragraph id="4A2F36CBFFEE292AFF0FFA30EF07B89B" blockId="22.[112,800,1426,1946]" pageId="22" pageNumber="21">
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<materialsCitation id="FAF83C96FFEE292AFF0FFA30EEFBB89B" location="Keasey Formation" municipality="Upper Eocene" pageId="22" pageNumber="21" specimenCount="1" stateProvince="Oregon" typeStatus="holotype">
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<emphasis id="78E4EAD9FFEE292AFF0FFA30EF3CB8C2" bold="true" box="[144,312,1427,1454]" pageId="22" pageNumber="21">
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<typeStatus id="952B8869FFEE292AFF0FFA30EED6B8C1" box="[144,210,1428,1454]" pageId="22" pageNumber="21">Type</typeStatus>
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species
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</emphasis>
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:
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<taxonomicName id="8D904D48FFEE292AFEDBFA30ECCCB8C1" ID-CoL="BJ36P" authorityName="Hickman" authorityYear="2023" box="[324,712,1426,1456]" class="Bivalvia" family="Isognomonidae" genus="Bathyisognomon" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Ostreida" pageId="22" pageNumber="21" phylum="Mollusca" rank="species" species="smithwickensis">
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<emphasis id="78E4EAD9FFEE292AFEDBFA30ECCCB8C1" box="[324,712,1426,1456]" italics="true" pageId="22" pageNumber="21">Bathyisognomon smithwickensis</emphasis>
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</taxonomicName>
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.
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<collectingMunicipality id="AA4BACB1FFEE292AFD4CFA30EEC8B8BE" pageId="22" pageNumber="21">Upper Eocene</collectingMunicipality>
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, middle member,
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<location id="4F4F6010FFEE292AFE37FA13EC8FB8BE" LSID="urn:lsid:plazi:treatment:C23987DDFFEE292AFEB6FAC0EB47BBEE:4F4F6010FFEE292AFE37FA13EC8FB8BE" box="[424,651,1463,1489]" municipality="Upper Eocene" name="Keasey Formation" pageId="22" pageNumber="21" stateProvince="Oregon">Keasey Formation</location>
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, northwestern
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<collectingRegion id="8854F829FFEE292AFF3EFA7EEEFBB89B" box="[161,255,1498,1524]" country="United States of America" name="Oregon" pageId="22" pageNumber="21">Oregon</collectingRegion>
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</materialsCitation>
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.
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</paragraph>
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<paragraph id="4A2F36CBFFEE292AFF0FFA59EC1EBB54" blockId="22.[112,800,1426,1946]" pageId="22" pageNumber="21">
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<emphasis id="78E4EAD9FFEE292AFF0FFA59EF42BB78" bold="true" box="[144,326,1533,1559]" pageId="22" pageNumber="21">
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ZooBank
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<collectionCode id="2C81AE0EFFEE292AFE96FA59EF42BB78" box="[265,326,1533,1559]" pageId="22" pageNumber="21">LSID</collectionCode>
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</emphasis>
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—
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<uri id="3E013AC9FFEE292AFEF9FA59EC1EBB54" pageId="22" pageNumber="21">
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urn:lsid:zoobank.org:act:
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<uuid id="3E360C1EFFEE292AFD13FA59EC1EBB54" pageId="22" pageNumber="21">A072890E-4645-4A24-AB91-1527878B3076</uuid>
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</uri>
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</paragraph>
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</subSubSection>
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<subSubSection id="028A6540FFEE292AFF0FF9E7EF16BA17" pageId="22" pageNumber="21" type="diagnosis">
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<paragraph id="4A2F36CBFFEE292AFF0FF9E7EF16BA17" blockId="22.[112,800,1426,1946]" pageId="22" pageNumber="21">
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<emphasis id="78E4EAD9FFEE292AFF0FF9E7EF17BB32" bold="true" box="[144,275,1603,1629]" pageId="22" pageNumber="21">Diagnosis</emphasis>
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—Shell mytiliform, inflated and equivalve; edentulous; ligament area narrow, with few widely- spaced ligament pits and broad interspaces; ligament attached to interior nacreous shell layer; beaks small, prosogyrous, forming sharply acute angle at anterior end of hingeplate; lacking byssal gape, but with distinct byssal concavity immediately anterior to beaks; posterior margin of hinge line merging gradually with posterior shell margin.
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</paragraph>
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</subSubSection>
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<subSubSection id="028A6540FFEE292AFF0FF824EA71B8BE" pageId="22" pageNumber="21" type="discussion">
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<paragraph id="4A2F36CBFFEE292AFF0FF824EA17BE89" blockId="22.[112,800,1426,1946]" lastBlockId="22.[832,1520,725,1665]" pageId="22" pageNumber="21">
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<emphasis id="78E4EAD9FFEE292AFF0FF824EF27BAF5" bold="true" box="[144,291,1920,1946]" pageId="22" pageNumber="21">Discussion</emphasis>
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—The shell shape, thick inflated valves, and details of the ligament area are in marked contrast to the thin, compressed, elongate shells of typical shallow-water isognomonids and indicate an endobyssate, semi-infaunal mode of life. This mode of life is consistent with the fine-grained tuffaceous siltstone in which it occurs, in marked contrast to the epibyssate mode of other isognomonids, which occur on or nestling in hard substrata in shallow water.
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</paragraph>
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<paragraph id="4A2F36CBFFEE292AFCFFFC4BEA71B8BE" blockId="22.[832,1520,725,1665]" pageId="22" pageNumber="21">
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This contrast in mode of life and shell form also occurs in Mesozoic inoceramid bivalves, which include both endobyssate and epibyssate taxa (as well as some forms that are free-living), although the inoceramids are clearly distinguished by numerous closely-spaced ligament pits and ligament area that is attached to the outer prismatic calcitic shell layer. The outer shell layer is not preserved on any of the specimens of the new genus and species, which appears to be a result of exfoliation of outer shell as well as some of the interior nacreous layers. The exfoliation is attributed to post-exposure weathering. Available specimens were not collected
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<emphasis id="78E4EAD9FFEE292AFAB4FACBEB72B8E4" box="[1323,1398,1391,1419]" italics="true" pageId="22" pageNumber="21">in situ</emphasis>
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, although they are double valved and indicate lack of exposure and transport prior to burial.
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</paragraph>
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</subSubSection>
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<subSubSection id="028A6540FFEE292AFCFFFA7EEB47BBEE" pageId="22" pageNumber="21" type="etymology">
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<paragraph id="4A2F36CBFFEE292AFCFFFA7EEA41BB77" blockId="22.[832,1520,725,1665]" pageId="22" pageNumber="21">
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<emphasis id="78E4EAD9FFEE292AFCFFFA7EEDF0B89B" bold="true" box="[864,1012,1498,1524]" pageId="22" pageNumber="21">Etymology</emphasis>
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—bathy (from the Greek
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<emphasis id="78E4EAD9FFEE292AFAD6FA7CEB9BB89B" box="[1353,1439,1496,1524]" italics="true" pageId="22" pageNumber="21">bathos</emphasis>
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, deep water),+
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<taxonomicName id="8D904D48FFEE292AFC28FA59EA3ABB76" authorityName="LIGHTFOOT" authorityYear="1786" box="[951,1086,1533,1561]" class="Bivalvia" family="Isognomonidae" genus="Isognomon" kingdom="Animalia" order="Ostreida" pageId="22" pageNumber="21" phylum="Mollusca" rank="genus">
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<emphasis id="78E4EAD9FFEE292AFC28FA59EA3ABB76" box="[951,1086,1533,1561]" italics="true" pageId="22" pageNumber="21">Isognomon</emphasis>
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</taxonomicName>
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.
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</paragraph>
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<paragraph id="4A2F36CBFFEE292AFCFFF984EB47BBEE" blockId="22.[832,1520,725,1665]" pageId="22" pageNumber="21">
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<emphasis id="78E4EAD9FFEE292AFCFFF984EA74BB55" bold="true" box="[864,1136,1568,1594]" pageId="22" pageNumber="21">Stratigraphic range</emphasis>
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—upper Eocene, known only from massive siltstone beds of the upper part of the middle member of the Keasey Formation.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |