185 lines
19 KiB
XML
185 lines
19 KiB
XML
<document id="A611FE517453D4AF400E616E39048E95" ID-DOI="10.11646/zootaxa.3927.1.1" ID-GBIF-Dataset="c9f96009-d3d4-4977-9cd5-6004214d1036" ID-ISSN="1175-5326" ID-Zenodo-Dep="288034" ID-ZooBank="42B56D11-9B18-4FCC-B632-30A46AB0205C" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461008886271" checkinUser="plazi" docAuthor="Koppka, Jens" docDate="2015" docId="039087D7C03A4603FF68FEE1FBCF3751" docLanguage="en" docName="zt03927p117.pdf" docOrigin="Zootaxa 3927 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Helvetostrea Koppka, 2015, new genus" docType="treatment" docUuid="37F96388-804D-4814-9720-5CBAAE14C6C5" docUuidSource="ZooBank" docVersion="8" lastPageNumber="36" masterDocId="FFA9FFAFC0194620FFFFFFC3FFF33303" masterDocTitle="Revision of the Bivalvia from the Upper Jurassic Reuchenette Formation, Northwest Switzerland — Ostreoidea" masterLastPageNumber="117" masterPageNumber="1" pageNumber="36" updateTime="1698566318747" updateUser="plazi">
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<mods:mods id="09E6FE11E47CF730987EB2EE1B17E63A" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="530138DDA54EF895A901B189768D1256">
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<mods:title id="5FCB8D0B28D109914E80FAC6B7275880">Revision of the Bivalvia from the Upper Jurassic Reuchenette Formation, Northwest Switzerland — Ostreoidea</mods:title>
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</mods:titleInfo>
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<mods:name id="93DE722EC1CE26033BA44383A237C310" type="personal">
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<mods:role id="77EED8AA291FDF4483B70A38BE782655">
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<mods:roleTerm id="2A24FE0F4726EFD3F1BEA2424913EB1B">Author</mods:roleTerm>
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<mods:namePart id="66665A492FC2BE57BFEF9C7AD3E3F190">Koppka, Jens</mods:namePart>
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<mods:typeOfResource id="B1276C15D49C0223FABE1791525C6FE1">text</mods:typeOfResource>
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<mods:title id="8A15907A467947F7CE764E4A3FBBF733">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="1DE30CF917CB48C39BC2CED2458CC6A5">
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<mods:date id="5E602BD0E8B346B5CD66B458C45E709A">2015</mods:date>
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<mods:detail id="383AFBE3CE4D6470A88E7FC4A866530D" type="volume">
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<mods:number id="2E3335F5E324B439F5B1CFC0FB3A9B78">3927</mods:number>
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<mods:detail id="2E4946F037EE859FCCDAA7B58C5C689E" type="issue">
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<mods:number id="83AAE024606A27B0316BBE6640CD2932">1</mods:number>
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<mods:end id="D6B20BD78A1864EBCC7E64AAE87A7045">117</mods:end>
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<mods:classification id="DEE463CEC1270BB0032E636105D0C99E">journal article</mods:classification>
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<mods:identifier id="3C1119BE008084F695BE145691E1C47F" type="DOI">10.11646/zootaxa.3927.1.1</mods:identifier>
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<mods:identifier id="650C2E6902290F4FE2C5018FFA8D1E93" type="GBIF-Dataset">c9f96009-d3d4-4977-9cd5-6004214d1036</mods:identifier>
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<mods:identifier id="548B74F077D348C476FA0BDCBE48ABE0" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="F4384F7AC9781337FE05F79A2F9AF2AA" type="Zenodo-Dep">288034</mods:identifier>
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<mods:identifier id="F6103EB89F1EF097B1DEEB28B55CB990" type="ZooBank">42B56D11-9B18-4FCC-B632-30A46AB0205C</mods:identifier>
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</mods:mods>
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<treatment id="039087D7C03A4603FF68FEE1FBCF3751" ID-DOI="http://doi.org/10.5281/zenodo.6102702" ID-GBIF-Taxon="127377106" ID-Zenodo-Dep="6102702" LSID="urn:lsid:zoobank.org:act:37F96388-804D-4814-9720-5CBAAE14C6C5" httpUri="http://treatment.plazi.org/id/039087D7C03A4603FF68FEE1FBCF3751" lastPageNumber="36" pageId="35" pageNumber="36">
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<subSubSection id="C323654AC03A4603FF68FEE1FE45323F" box="[151,438,290,316]" pageId="35" pageNumber="36" type="nomenclature">
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<paragraph id="8B8636C1C03A4603FF68FEE1FE45323F" blockId="35.[151,438,290,316]" box="[151,438,290,316]" pageId="35" pageNumber="36">
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<heading id="D0CE81ADC03A4603FF68FEE1FE45323F" bold="true" box="[151,438,290,316]" fontSize="11" level="1" pageId="35" pageNumber="36" reason="1">
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<emphasis id="B94DEAD3C03A4603FF68FEE1FE45323F" bold="true" box="[151,438,290,316]" pageId="35" pageNumber="36">
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<taxonomicName id="4C394D42C03A4603FF68FEE1FEDD323F" box="[151,302,290,316]" class="Bivalvia" family="Gryphaeidae" genus="Helvetostrea" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="genus" status="gen. nov.">
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<emphasis id="B94DEAD3C03A4603FF68FEE1FEDD323F" bold="true" box="[151,302,290,316]" italics="true" pageId="35" pageNumber="36">Helvetostrea</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A27E57A8C03A4603FECAFEE1FE45323F" box="[309,438,290,316]" pageId="35" pageNumber="36" rank="genus">new genus</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C323654AC03A4603FF68FEAAFDB632A5" pageId="35" pageNumber="36" type="materials_examined">
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<paragraph id="8B8636C1C03A4603FF68FEAAFDB632A5" blockId="35.[151,1436,361,1106]" pageId="35" pageNumber="36">
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<emphasis id="B94DEAD3C03A4603FF68FEAAFED83281" bold="true" box="[151,299,361,386]" pageId="35" pageNumber="36">
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<typeStatus id="54828863C03A4603FF68FEAAFF213281" box="[151,210,361,386]" pageId="35" pageNumber="36">Type</typeStatus>
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species
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</emphasis>
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.
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<taxonomicName id="4C394D42C03A4603FEC6FEA9FCD03281" authority="Thurmann & Etallon, 1862" authorityName="Thurmann & Etallon" authorityYear="1862" box="[313,803,361,386]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="species" species="sequana">
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<emphasis id="B94DEAD3C03A4603FEC6FEA9FE1A3282" box="[313,489,362,385]" italics="true" pageId="35" pageNumber="36">Ostrea sequana</emphasis>
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Thurmann &
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<bibRefCitation id="EFA84B30C03A4603FD76FEAAFCD03281" author="Etallon" box="[649,803,361,386]" pageId="35" pageNumber="36" refString="Etallon, A. (1862) Etudes paleontologique sur le Haut-Jura. Memoires de la Societe d'Emulation du Departement du Doubs, Serie 3., 6, 53 - 260." type="journal article" year="1862">Etallon, 1862</bibRefCitation>
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</taxonomicName>
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;
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<typeStatus id="54828863C03A4603FCD1FEAAFC663281" box="[814,917,361,386]" pageId="35" pageNumber="36" type="lectotype">lectotype</typeStatus>
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designation herein (see under species); Upper Oxfordian,
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<collectingCountry id="F32E7651C03A4603FEE7FE4EFE6E32A5" box="[280,413,397,422]" name="Switzerland" pageId="35" pageNumber="36">Switzerland</collectingCountry>
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(Canton Jura).
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</paragraph>
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</subSubSection>
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<subSubSection id="C323654AC03A4603FF38FE72FCF8317D" pageId="35" pageNumber="36" type="diagnosis">
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<paragraph id="8B8636C1C03A4603FF38FE72FCF8317D" blockId="35.[151,1436,361,1106]" pageId="35" pageNumber="36">
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<emphasis id="B94DEAD3C03A4603FF38FE72FEC932C9" bold="true" box="[199,314,433,458]" pageId="35" pageNumber="36">Diagnosis</emphasis>
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. Inequivalve, left valve moderately inflated,
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<taxonomicName id="4C394D42C03A4603FCA0FE72FC5E32C9" box="[863,941,433,458]" class="Bivalvia" family="Ostreidae" genus="Actinostreon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="species" species="outline">outline</taxonomicName>
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irregularly ovate, rectangular to slenderspatulate; umbo truncated owing to large attachment area. Outer surface with thick (squamous) irregular growth lamellae. Ligament area becoming very high (similar to
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<taxonomicName id="4C394D42C03A4603FCF7FE39FC713112" box="[776,898,506,529]" class="Bivalvia" family="Ostreidae" genus="Saccostrea" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="genus">
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<emphasis id="B94DEAD3C03A4603FCF7FE39FC713112" box="[776,898,506,529]" italics="true" pageId="35" pageNumber="36">Saccostrea</emphasis>
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</taxonomicName>
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), growing essentially ventrally in adult; resilifer deep and flanked by equally broad bourrelets. Umbonal cavity (LV) deep; adductor scar round to high-oval, posterocentral to posterodorsal. Left valve with many large structural chambers, hollow or filled with sparry cement or sediment; internal structures of RV unknown.
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</paragraph>
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</subSubSection>
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<subSubSection id="C323654AC03A4603FF38FD4AFDDF31C5" pageId="35" pageNumber="36" type="etymology">
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<paragraph id="8B8636C1C03A4603FF38FD4AFDDF31C5" blockId="35.[151,1436,361,1106]" pageId="35" pageNumber="36">
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<emphasis id="B94DEAD3C03A4603FF38FD4AFEB431A1" bold="true" box="[199,327,649,674]" pageId="35" pageNumber="36">Etymology</emphasis>
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. Word combination derived from
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<collectingCountry id="F32E7651C03A4603FD29FD4AFCC631A1" box="[726,821,649,674]" name="Switzerland" pageId="35" pageNumber="36">Helvetia</collectingCountry>
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(= neo-Latin for
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<collectingCountry id="F32E7651C03A4603FBF9FD4AFB7D31A1" box="[1030,1166,649,674]" name="Switzerland" pageId="35" pageNumber="36">Switzerland</collectingCountry>
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) and the Recent oyster genus
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<taxonomicName id="4C394D42C03A4603FF20FD6DFED931C6" box="[223,298,686,709]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="genus">
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<emphasis id="B94DEAD3C03A4603FF20FD6DFED931C6" box="[223,298,686,709]" italics="true" pageId="35" pageNumber="36">Ostrea</emphasis>
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</taxonomicName>
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. The gender is female.
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</paragraph>
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</subSubSection>
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<subSubSection id="C323654AC03A4603FF38FD12FBCF3751" pageId="35" pageNumber="36" type="discussion">
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<paragraph id="8B8636C1C03A4603FF38FD12FE08309D" blockId="35.[151,1436,361,1106]" pageId="35" pageNumber="36">
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<emphasis id="B94DEAD3C03A4603FF38FD12FEC731E9" bold="true" box="[199,308,721,746]" pageId="35" pageNumber="36">Remarks</emphasis>
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. Species of
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<taxonomicName id="4C394D42C03A4603FE31FD12FDAF31E9" box="[462,604,721,746]" class="Bivalvia" family="Gryphaeidae" genus="Helvetostrea" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="112" phylum="Mollusca" rank="genus" status="gen. nov.">
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<emphasis id="B94DEAD3C03A4603FE31FD12FDAF31E9" box="[462,604,721,746]" italics="true" pageId="35" pageNumber="36">Helvetostrea</emphasis>
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</taxonomicName>
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differ from
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<taxonomicName id="4C394D42C03A4603FD08FD11FCA031EA" box="[759,851,722,745]" class="Bivalvia" family="Gryphaeidae" genus="Liostrea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="35" pageNumber="36" phylum="Mollusca" rank="genus">
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<emphasis id="B94DEAD3C03A4603FD08FD11FCA031EA" box="[759,851,722,745]" italics="true" pageId="35" pageNumber="36">Liostrea</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="4C394D42C03A4603FC97FD11FC1731EA" box="[872,996,722,745]" class="Bivalvia" family="Gryphaeidae" genus="Pernostrea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="genus">
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<emphasis id="B94DEAD3C03A4603FC97FD11FC1731EA" box="[872,996,722,745]" italics="true" pageId="35" pageNumber="36">Pernostrea</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="4C394D42C03A4603FC08FD12FB5431E9" box="[1015,1191,721,746]" class="Bivalvia" family="Gryphaeidae" genus="Africogryphaea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="genus">
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<emphasis id="B94DEAD3C03A4603FC08FD12FB5431E9" box="[1015,1191,721,746]" italics="true" pageId="35" pageNumber="36">Africogryphaea</emphasis>
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</taxonomicName>
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, and
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<taxonomicName id="4C394D42C03A4603FB0FFD12FA8031E9" box="[1264,1395,721,746]" class="Bivalvia" family="Gryphaeidae" genus="Deltoideum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="genus">
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<emphasis id="B94DEAD3C03A4603FB0FFD12FA8031E9" box="[1264,1395,721,746]" italics="true" pageId="35" pageNumber="36">Deltoideum</emphasis>
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</taxonomicName>
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by developing a large
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<taxonomicName id="4C394D42C03A4603FE92FD35FE14300E" box="[365,487,758,781]" class="Bivalvia" family="Ostreidae" genus="Saccostrea" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="genus">
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<emphasis id="B94DEAD3C03A4603FE92FD35FE14300E" box="[365,487,758,781]" italics="true" pageId="35" pageNumber="36">Saccostrea</emphasis>
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</taxonomicName>
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-like ligament area, a deep umbonal cavity and many large shell chambers, the latter eventually leading to considerable growth in thickness. They differ from most
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<taxonomicName id="4C394D42C03A4603FC00FCD9FB633032" box="[1023,1168,794,817]" class="Bivalvia" family="Gryphaeidae" genus="Praeexogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="35" pageNumber="36" phylum="Mollusca" rank="genus">
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<emphasis id="B94DEAD3C03A4603FC00FCD9FB633032" box="[1023,1168,794,817]" italics="true" pageId="35" pageNumber="36">Praeexogyra</emphasis>
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</taxonomicName>
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species by being highly chambered, except for
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<emphasis id="B94DEAD3C03A4603FE61FCFDFE313056" box="[414,450,830,853]" italics="true" pageId="35" pageNumber="36">“P.</emphasis>
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”
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<taxonomicName id="4C394D42C03A4603FE27FCFEFDB73055" box="[472,580,829,854]" class="Bivalvia" family="Gryphaeidae" genus="Praeexogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="35" pageNumber="36" phylum="Mollusca" rank="species" species="hebridica">
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<emphasis id="B94DEAD3C03A4603FE27FCFEFDB73055" box="[472,580,829,854]" italics="true" pageId="35" pageNumber="36">hebridica</emphasis>
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</taxonomicName>
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(see discussion under
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<taxonomicName id="4C394D42C03A4603FCB4FCFDFC2F3056" box="[843,988,830,853]" class="Bivalvia" family="Gryphaeidae" genus="Praeexogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="35" pageNumber="36" phylum="Mollusca" rank="genus">
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<emphasis id="B94DEAD3C03A4603FCB4FCFDFC2F3056" box="[843,988,830,853]" italics="true" pageId="35" pageNumber="36">Praeexogyra</emphasis>
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</taxonomicName>
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).
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<taxonomicName id="4C394D42C03A4603FC0AFCFEFB773055" box="[1013,1156,829,854]" class="Bivalvia" family="Gryphaeidae" genus="Helvetostrea" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="112" phylum="Mollusca" rank="genus" status="gen. nov.">
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<emphasis id="B94DEAD3C03A4603FC0AFCFEFB773055" box="[1013,1156,829,854]" italics="true" pageId="35" pageNumber="36">Helvetostrea</emphasis>
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</taxonomicName>
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is distinguished from
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<taxonomicName id="4C394D42C03A4603FA78FCFDFEF03079" class="Bivalvia" family="Gryphaeidae" genus="Praeexogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="35" pageNumber="36" phylum="Mollusca" rank="species" species="hebridica">
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<emphasis id="B94DEAD3C03A4603FA78FCFDFEF03079" italics="true" pageId="35" pageNumber="36">P. hebridica</emphasis>
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</taxonomicName>
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and from
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<taxonomicName id="4C394D42C03A4603FE85FCA1FDF3307A" box="[378,512,866,889]" class="Bivalvia" family="Ostreidae" genus="Crassostrea" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="genus">
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<emphasis id="B94DEAD3C03A4603FE85FCA1FDF3307A" box="[378,512,866,889]" italics="true" pageId="35" pageNumber="36">Crassostrea</emphasis>
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</taxonomicName>
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species by having an essentially round and posterodorsal adductor scar and from
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<taxonomicName id="4C394D42C03A4603FF68FC45FEE2309E" box="[151,273,902,925]" class="Bivalvia" family="Ostreidae" genus="Saccostrea" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="genus">
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<emphasis id="B94DEAD3C03A4603FF68FC45FEE2309E" box="[151,273,902,925]" italics="true" pageId="35" pageNumber="36">Saccostrea</emphasis>
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</taxonomicName>
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by lacking chomata.
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</paragraph>
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<paragraph id="8B8636C1C03A4603FF38FC6AFBCF3751" blockId="35.[151,1436,361,1106]" pageId="35" pageNumber="36">
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The genus differs from
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<taxonomicName id="4C394D42C03A4603FE24FC69FDD530C2" box="[475,550,938,961]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="genus">
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<emphasis id="B94DEAD3C03A4603FE24FC69FDD530C2" box="[475,550,938,961]" italics="true" pageId="35" pageNumber="36">Ostrea</emphasis>
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</taxonomicName>
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(and actually the entire subfamily
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<taxonomicName id="4C394D42C03A4603FC3FFC6AFBDE30C1" box="[960,1069,937,962]" class="Bivalvia" family="Ostreidae" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="subFamily" subFamily="Ostreinae">Ostreinae</taxonomicName>
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) in its well-developed umbonal cavity and its adductor
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<taxonomicName id="4C394D42C03A4603FE5FFC0EFE1D30E5" box="[416,494,973,998]" class="Bivalvia" family="Ostreidae" genus="Actinostreon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="species" species="outline">outline</taxonomicName>
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and position. In addition there is no evidence to assume brooding for any Jurassic, and in fact any Mesozoic oyster species, as is characteristic of Recent
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<taxonomicName id="4C394D42C03A4603FC1DFC32FBBE3709" box="[994,1101,1009,1034]" class="Bivalvia" family="Ostreidae" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="subFamily" subFamily="Ostreinae">Ostreinae</taxonomicName>
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(
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<bibRefCitation id="EFA84B30C03A4603FB9EFC32FAF93709" author="Malchus" box="[1121,1290,1009,1034]" pageId="35" pageNumber="36" refString="Malchus, N. (1995) Larval shells of Tertiary Cubitostrea Sacco 1897, with a review of larval shell characters in the subfamilies Ostreinae and Crassostreinae (Ostreoidea, Bivalvia). Bulletin de l'Institut royal des Sciences naturelles de Belgique, Sciences de la Terre, 65, 187 - 239." type="journal article" year="1995">Malchus 1995</bibRefCitation>
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;
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<bibRefCitation id="EFA84B30C03A4603FAE5FC32FEC7372D" author="Malchus" pageId="35" pageNumber="36" refString="Malchus, N. & Sartori, A. (2013) Part N, Revised, Volume 1, Chapter 4: The early shell: ontogeny, features and evolution. Treatise Online, 61, 1 - 114." type="book chapter" year="2013">Malchus & Sartori, 2013</bibRefCitation>
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; own data herein). The Middle Jurassic (Bajocian, Bathonian)
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<taxonomicName id="4C394D42C03A4603FBD1FBD6FB4F372D" box="[1070,1212,1045,1070]" class="Bivalvia" family="Gryphaeidae" genus="Helvetostrea" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="genus" status="gen. nov.">
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<emphasis id="B94DEAD3C03A4603FBD1FBD6FB4F372D" box="[1070,1212,1045,1070]" italics="true" pageId="35" pageNumber="36">Helvetostrea</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A27E57A8C03A4603FB35FBD6FAD3372D" box="[1226,1312,1045,1070]" pageId="35" pageNumber="36" rank="genus">
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<emphasis id="B94DEAD3C03A4603FB35FBD6FAD3372D" bold="true" box="[1226,1312,1045,1070]" pageId="35" pageNumber="36">n. gen.</emphasis>
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</taxonomicNameLabel>
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<taxonomicName id="4C394D42C03A4603FAD2FBD6FEA53751" authority="Goldfuss, 1833" authorityName="Goldfuss" authorityYear="1833" class="Bivalvia" family="Gryphaeidae" genus="Helvetostrea" kingdom="Animalia" order="Ostreoida" pageId="35" pageNumber="36" phylum="Mollusca" rank="species" species="explanata">
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<emphasis id="B94DEAD3C03A4603FAD2FBD6FA68372D" box="[1325,1435,1045,1070]" italics="true" pageId="35" pageNumber="36">explanata</emphasis>
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(Goldfuss, 1833)
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</taxonomicName>
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(b) may be the oldest representative of the genus currently known.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |