105 lines
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105 lines
10 KiB
XML
<document id="665B786D4600E5E0756E390527FCAE99" ENCODING="UTF-8" ID-GBIF-Dataset="c01cf2cf-dea2-4adc-8e46-695b9533cd1b" ModsDocID="z01393p001" checkinTime="1247406781749" checkinUser="thomas" docAuthor="David A. Ebert & Chante D. Davis" docDate="2007" docId="552246765B34020B7AFED1AAC90D24EB" docLanguage="en" docName="2007_Ebert_Davis_gg1.xml" docOrigin="Zootaxa 1393" docSource="http://www.zoobank.org/urn:lsid:zoobank.org:pub:0C16005C-21BC-4252-823E-C83515FCFF28" docTitle="Bathyraja spinossisima" docType="treatment" docVersion="11" lastPageNumber="9" masterDocId="17349213E3557E9403747553351F425E" masterDocTitle="Descriptions of skate egg cases (Chondrichthyes: Rajiformes: Rajoidei) from the eastern North Pacific." masterLastPageNumber="18" masterPageNumber="1" pageNumber="8" updateTime="1701314543430" updateUser="plazi">
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<mods:title id="FE0CBC53F3DE649575ABE485AC935706">Descriptions of skate egg cases (Chondrichthyes: Rajiformes: Rajoidei) from the eastern North Pacific.</mods:title>
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<mods:roleTerm id="CFB46AD53665C20EF3779E39A2C807B2">Author</mods:roleTerm>
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<mods:namePart id="C14184F8E2A0FC29966F43D37556492E">David A. Ebert</mods:namePart>
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<mods:roleTerm id="5C1FC1C3CFC853892B010B6C8464E633">Author</mods:roleTerm>
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<mods:namePart id="7F61844E85E106AB416023A4FCF0BE63">Chante D. Davis</mods:namePart>
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<mods:title id="C15F7904FECEF0DC582CA587CB056FB1">Zootaxa</mods:title>
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<mods:part id="DF1AB0F3FAAB728A333D1B5F83AF5A18">
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<mods:date id="0F50548E4995F28D709846029F2E732A">2007</mods:date>
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<mods:detail id="2C89DE0F598E14EE9AAFA119815FB46F" type="volume">
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<mods:number id="F378C4B613E8C16A4334CADE24D089C5">1393</mods:number>
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<mods:url id="D2FBCBDF1CFD53B32C9B06805507D223">http://www.zoobank.org/urn:lsid:zoobank.org:pub:0C16005C-21BC-4252-823E-C83515FCFF28</mods:url>
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<mods:classification id="801DC9C27C5FD5533B8CF20F3C4B05FC">journal article</mods:classification>
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<mods:identifier id="069D0B321D37E89E5B533FA1607E3754" type="Plazi-Custom">z01393p001</mods:identifier>
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<mods:identifier id="2E9531E11E53EA1164E6FFFDE01C8AFD" type="ZooBank">0C16005C-21BC-4252-823E-C83515FCFF28</mods:identifier>
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<treatment id="552246765B34020B7AFED1AAC90D24EB" ID-DOI="http://doi.org/10.5281/zenodo.6250541" ID-GBIF-Taxon="100121850" ID-Zenodo-Dep="6250541" LSID="urn:lsid:plazi:treatment:552246765B34020B7AFED1AAC90D24EB" httpUri="http://treatment.plazi.org/id/552246765B34020B7AFED1AAC90D24EB" lastPageNumber="9" pageNumber="8">
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<subSubSection id="085125D6ECD380385B519A1D658E0C88" type="nomenclature">
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<paragraph id="0BF812A4E3F5DA74F45354BD480234EC" pageNumber="8">
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<taxonomicName id="97C81D02C7387FDBE52414F19D38FF4D" class="Elasmobranchii" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" order="Rajiformes" pageNumber="8" phylum="Chordata" rank="species" species="spinossisima">Bathyraja spinossisima (Beebe & Tee-Van, 1941)</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="14D02CCBA1834E6F9189EDC9DE871120" type="description">
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<paragraph id="6F6D0FE4EF4055FDF244FDCC7A1C320E" pageNumber="8">
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Description: The egg case of
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<taxonomicName id="0950F8C098EE5A7774093D6F5F11E3ED" class="Elasmobranchii" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" order="Rajiformes" pageNumber="8" phylum="Chordata" rank="species" species="spinossisima">Bathyraja spinossisima</taxonomicName>
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(Figure 6) is large, about 92 mm in length excluding horns, with MAW of 73% ECL. The surface is weakly striated, with both dorsal and ventral surfaces being plush to the touch. LKW is very narrow, about 3% of ECL, and extending onto horns. Attachment fibers are absent. Anterior apron broadly concaved, curving perpendicular from horizontal plane of egg case, and narrowing at tips. Posterior apron about 7 mm wider than anterior, nearly straight, broad, and transverse. Posterior horns about two-thirds ECL, curved inwards, and narrowing to tips. Egg case color after preservation is a uniform plum brown.
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</paragraph>
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</subSubSection>
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<subSubSection id="789AE210F80EDABBB1FC254A0A6519A0" type="discussion">
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<paragraph id="81068CB52356A0D418CD80FAF1B8B1F4" pageNumber="8">
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Remarks: A single egg case originally identified by Follett (1952: Figure 1) as that of
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<taxonomicName id="F42E0CDAFF4520AFBF6103B768EB9B6B" class="Elasmobranchii" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" order="Rajiformes" pageNumber="8" phylum="Chordata" rank="species" species="trachura">Bathyraja trachura</taxonomicName>
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based on a near term embryo found inside was subsequently described by Cox (1963). This egg case has also been inaccurately illustrated in the literature as being that of
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<taxonomicName id="65E01B47D0042A3F021473A55F8AC5FD" class="Elasmobranchii" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" order="Rajiformes" pageNumber="8" phylum="Chordata" rank="species" species="trachura">B. trachura</taxonomicName>
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(Eschmeyer et al., 1983; Mecklenberg et al., 2002; Ebert, 2003). However, Ebert (2005) examined this egg case and embryo (CAS 25617), and compared it with egg cases removed in utero from
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<taxonomicName id="E1879FE6499FB41CAD8D80D2930C47CF" class="Elasmobranchii" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" order="Rajiformes" pageNumber="8" phylum="Chordata" rank="species" species="trachura">B. trachura</taxonomicName>
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, and concluded that the embryo fit that of the holotype of
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<taxonomicName id="0DAA2A825B8AC38FC6239CEB12EB59DD" class="Elasmobranchii" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" order="Rajiformes" pageNumber="8" phylum="Chordata" rank="species" species="spinossisima">B. spinossisima</taxonomicName>
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. Miller and Lea (1972) first reported the occurrence of
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<taxonomicName id="6A7C4EAE3487B71838DB68A133871194" class="Elasmobranchii" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" order="Rajiformes" pageNumber="8" phylum="Chordata" rank="species" species="spinossisma">B. spinossisma</taxonomicName>
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from the ENP based on this specimen, but without explanation, only giving the museum catalogue number where it is deposited. At the time Follett (1952) and Cox (1963) identified this egg case as
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<taxonomicName id="988517EE3BD6786202F88BCA4CEBFC66" class="Elasmobranchii" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" order="Rajiformes" pageNumber="8" phylum="Chordata" rank="species" species="trachura">B. trachura</taxonomicName>
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,
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<taxonomicName id="D4570B0BFCB85AB39D1E0D30E255024E" class="Elasmobranchii" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" order="Rajiformes" pageNumber="8" phylum="Chordata" rank="species" species="spinossisima">B. spinossisima</taxonomicName>
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had not been reported from the ENP.
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</paragraph>
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<paragraph id="1461699C414FAAC6B7097F130FA3344A" lastPageNumber="9" pageNumber="8">
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<materialsCitation id="1E2BAF978BF3818656207C8F22887E4D" ID-GBIF-Occurrence="923904591" country="Panama">
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The
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<typeStatus id="5BE127756D3CA070A529EC1922CA4745">holotype</typeStatus>
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of
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<taxonomicName id="75CDACC4D9CD352490DC956459856BCA" class="Elasmobranchii" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" order="Rajiformes" pageNumber="8" phylum="Chordata" rank="species" species="spinossisima">B. spinossisima</taxonomicName>
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is an embryo that had been removed from an egg case collected in very deepwater off
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<collectingCountry id="2F63D1F61102B3FCF8D9279D4D200C43">Panama</collectingCountry>
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.
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</materialsCitation>
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Interestingly, a pair of egg cases also collected off Panama, in very deepwater, by Garman (1899) in some aspects appears to fit the description of this species. Unfortunately, the egg case for the holotype of
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<taxonomicName id="E5796C29CCF247E77EFCFAB03D8DE00D" class="Elasmobranchii" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" order="Rajiformes" pageNumber="8" phylum="Chordata" rank="species" species="spinossisima">B. spinossisima</taxonomicName>
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and Garman’s egg cases have been lost.
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</paragraph>
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</subSubSection>
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<subSubSection id="31FC2614EEE7F4F5658A78C11F111679" type="materials_examined">
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<paragraph id="F3CB9DCF1B6799B33862C9F06DDFD2E6" pageNumber="9">
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Material examined:
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<materialsCitation id="DDAA0A67B6C7431825A4AFE5B08EC83D" ID-GBIF-Occurrence="923904594" country="U S A" stateProvince="California">
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<collectionCode id="B7C8262E787318663D3BEF4649488899" collectionName="USA, California, San Francisco, California Academy of Sciences">CAS</collectionCode>
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25617, egg case with embryo present, Mulberry Seamount, 78 km west of Point Montara, central
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<collectingRegion id="8A9624C3AE6096401940271454E709D3">California</collectingRegion>
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(
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<geoCoordinate id="539023310D656031528479BE953DF3BE" direction="north" orientation="latitude" value="37.263">37.2630 N</geoCoordinate>
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, -
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<geoCoordinate id="0FE6B0DE2830A0A8BC28C0340A43E9FD" direction="west" orientation="longitude" value="-123.2842">123.2842 W</geoCoordinate>
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), 1400 to 2000 m,
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<date id="DB5834E03290F76308E3E16BFFDD1DB3" day="08" month="02" value="1950-02-08" year="1950">8 February 1950</date>
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.
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</materialsCitation>
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |