142 lines
13 KiB
XML
142 lines
13 KiB
XML
<document ID-DOI="http://dx.doi.org/10.5852/ejt.2013.41" ID-GBIF-Dataset="386010a0-6da4-4fa3-9d1a-4b3b5427cac5" ID-ISSN="2118-9773" ID-Zenodo-Dep="3814221" ID-ZooBank="A2F1B9ED-870A-466E-B35E-BD5DA782476E" checkinTime="1588881240389" checkinUser="carolina" docAuthor="Kröger, Björn" docDate="2013" docId="AD4D9054CD566A55F0754211FE37FDA1" docLanguage="en" docName="ejt-2013-41.pdf.imf" docOrigin="European Journal of Taxonomy 41" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.12:EJT.2018-.journal_article" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article" docStyleVersion="12" docTitle="Gorbyoceras Shimizu & Obata 1935" docType="treatment" docVersion="6" lastPageNumber="51" masterDocId="5174E82CCD646A66F260472AFFA5FFBD" masterDocTitle="The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden" masterLastPageNumber="110" masterPageNumber="1" pageNumber="51" updateTime="1634716833028" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-3.0" zenodo-license-figures="CC-BY-3.0" zenodo-license-treatments="UNSPECIFIED">
|
|
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
|
|
<mods:titleInfo>
|
|
<mods:title>The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden</mods:title>
|
|
</mods:titleInfo>
|
|
<mods:name type="personal">
|
|
<mods:role>
|
|
<mods:roleTerm>Author</mods:roleTerm>
|
|
</mods:role>
|
|
<mods:namePart>Kröger, Björn</mods:namePart>
|
|
</mods:name>
|
|
<mods:typeOfResource>text</mods:typeOfResource>
|
|
<mods:relatedItem type="host">
|
|
<mods:titleInfo>
|
|
<mods:title>European Journal of Taxonomy</mods:title>
|
|
</mods:titleInfo>
|
|
<mods:part>
|
|
<mods:date>2013</mods:date>
|
|
<mods:detail type="pubDate">
|
|
<mods:number>2013-03-27</mods:number>
|
|
</mods:detail>
|
|
<mods:detail type="issue">
|
|
<mods:number>41</mods:number>
|
|
</mods:detail>
|
|
<mods:extent unit="page">
|
|
<mods:start>1</mods:start>
|
|
<mods:end>110</mods:end>
|
|
</mods:extent>
|
|
</mods:part>
|
|
</mods:relatedItem>
|
|
<mods:classification>journal article</mods:classification>
|
|
<mods:identifier type="DOI">http://dx.doi.org/10.5852/ejt.2013.41</mods:identifier>
|
|
<mods:identifier type="GBIF-Dataset">386010a0-6da4-4fa3-9d1a-4b3b5427cac5</mods:identifier>
|
|
<mods:identifier type="ISSN">2118-9773</mods:identifier>
|
|
<mods:identifier type="Zenodo-Dep">3814221</mods:identifier>
|
|
<mods:identifier type="ZooBank">A2F1B9ED-870A-466E-B35E-BD5DA782476E</mods:identifier>
|
|
</mods:mods>
|
|
<treatment ID-DOI="http://doi.org/10.5281/zenodo.3815114" ID-GBIF-Taxon="163977250" ID-Zenodo-Dep="3815114" LSID="urn:lsid:plazi:treatment:AD4D9054CD566A55F0754211FE37FDA1" httpUri="http://treatment.plazi.org/id/AD4D9054CD566A55F0754211FE37FDA1" lastPageId="51" lastPageNumber="51" pageId="50" pageNumber="51">
|
|
<subSubSection box="[533,1055,1338,1365]" pageId="50" pageNumber="51" type="nomenclature">
|
|
<paragraph blockId="50.[533,1055,1338,1365]" box="[533,1055,1338,1365]" pageId="50" pageNumber="51">
|
|
<heading box="[533,1055,1338,1365]" centered="true" fontSize="11" level="2" pageId="50" pageNumber="51" reason="2">
|
|
Genus
|
|
<taxonomicName authority="Shimizu & Obata, 1935" authorityName="Shimizu & Obata" authorityYear="1935" box="[615,1055,1338,1365]" class="Cephalopoda" family="Proteoceratidae" genus="Gorbyoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="50" pageNumber="51" phylum="Mollusca" rank="genus">
|
|
<emphasis bold="true" box="[615,768,1338,1365]" italics="true" pageId="50" pageNumber="51">Gorbyoceras</emphasis>
|
|
Shimizu & Obata, 1935
|
|
</taxonomicName>
|
|
</heading>
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="50" pageNumber="51" type="type_taxon">
|
|
<paragraph blockId="50.[189,344,1404,1430]" box="[189,344,1404,1430]" pageId="50" pageNumber="51">
|
|
<heading bold="true" box="[189,344,1404,1430]" fontSize="11" level="3" pageId="50" pageNumber="51" reason="3">
|
|
<emphasis bold="true" box="[189,344,1404,1430]" pageId="50" pageNumber="51">
|
|
<typeStatus box="[189,250,1404,1430]" pageId="50" pageNumber="51">Type</typeStatus>
|
|
species
|
|
</emphasis>
|
|
</heading>
|
|
</paragraph>
|
|
<paragraph blockId="50.[189,1398,1450,1512]" pageId="50" pageNumber="51">
|
|
<taxonomicName authority="Miller in Miller & Faber, 1894" authorityName="Miller in Miller & Faber" authorityYear="1894" box="[189,782,1450,1477]" class="Liliopsida" family="Orchidaceae" genus="Orthoceras" kingdom="Plantae" order="Asparagales" pageId="50" pageNumber="51" phylum="Tracheophyta" rank="species" species="gorbyi">
|
|
<emphasis box="[189,408,1450,1476]" italics="true" pageId="50" pageNumber="51">Orthoceras gorbyi</emphasis>
|
|
Miller
|
|
<emphasis box="[497,520,1451,1476]" italics="true" pageId="50" pageNumber="51">in</emphasis>
|
|
Miller & Faber, 1894
|
|
</taxonomicName>
|
|
, probably from the Saluda Formation, latest Katian, Franklin County,
|
|
<collectingRegion box="[395,486,1486,1512]" country="United States of America" name="Indiana" pageId="50" pageNumber="51">Indiana</collectingRegion>
|
|
,
|
|
<collectingCountry box="[498,560,1486,1512]" name="United States of America" pageId="50" pageNumber="51">USA</collectingCountry>
|
|
; by original designation.
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="50" pageNumber="51" type="diagnosis">
|
|
<paragraph blockId="50.[189,310,1551,1577]" box="[189,310,1551,1577]" pageId="50" pageNumber="51">
|
|
<heading bold="true" box="[189,310,1551,1577]" fontSize="11" level="3" pageId="50" pageNumber="51" reason="3">
|
|
<emphasis bold="true" box="[189,310,1551,1577]" pageId="50" pageNumber="51">Diagnosis</emphasis>
|
|
</heading>
|
|
</paragraph>
|
|
<paragraph blockId="50.[189,1399,1597,1836]" pageId="50" pageNumber="51">
|
|
Slender, circular or slightly compressed orthocones with symmetrically curved septa and straight transverse sutures; sutures parallel to annulations in each groove of the annulations; annulations with fine transverse ornament or growth lines; annulations more distinctive in adult growth stages; distinctive irregularly spaced longitudinal ridges that may form nodes at the ridges of the annulations; siphuncle subcentral, expanded in early growth stages, with short cyrtochoanitic septal necks, nearly tubular in later growth stages, with suborthochoanitic septal necks; mural cameral deposits developed much farther anteriorly than endosiphuncular deposits. (Adopted from
|
|
<bibRefCitation author="Sweet W. C." box="[863,1017,1809,1835]" pageId="50" pageNumber="51" pagination="261" refId="ref49703" refString="Sweet W. C. 1964 c. Orthocerida. In: R. C. Moore (ed.) Treatise on Invertebrate Paleontology, Part K, Mollusca 3. K 216 - K 261. University of Kansas Press, Boulder, Colorado." type="journal article" year="1964">Sweet 1964c</bibRefCitation>
|
|
;
|
|
<bibRefCitation author="Kroger B. & Isakar M." box="[1029,1292,1809,1836]" pageId="50" pageNumber="51" pagination="139 - 165" refId="ref48361" refString="Kroger B. & Isakar M. 2006. Revision of annulated orthoceridan cephalopods of the Baltoscandic Ordovician. Fossil Record 9: 139 - 165. http: // dx. doi. org / 10.1002 / mmng. 200600005" type="journal article" year="2006">Kröger & Isakar 2006</bibRefCitation>
|
|
.)
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection lastPageId="51" lastPageNumber="52" pageId="50" pageNumber="51" type="discussion">
|
|
<paragraph blockId="50.[189,303,1874,1900]" box="[189,303,1874,1900]" pageId="50" pageNumber="51">
|
|
<heading bold="true" box="[189,303,1874,1900]" fontSize="11" level="3" pageId="50" pageNumber="51" reason="3">
|
|
<emphasis bold="true" box="[189,303,1874,1900]" pageId="50" pageNumber="51">Remarks</emphasis>
|
|
</heading>
|
|
</paragraph>
|
|
<paragraph blockId="50.[189,1399,1921,1982]" lastBlockId="51.[189,1399,267,540]" lastPageId="51" lastPageNumber="52" pageId="50" pageNumber="51">
|
|
A large number of species of
|
|
<taxonomicName authorityName="Shimizu & Obata" authorityYear="1935" box="[531,684,1921,1947]" class="Cephalopoda" family="Proteoceratidae" genus="Gorbyoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="50" pageNumber="51" phylum="Mollusca" rank="genus">
|
|
<emphasis box="[531,684,1921,1947]" italics="true" pageId="50" pageNumber="51">Gorbyoceras</emphasis>
|
|
</taxonomicName>
|
|
exist, which are in need of a revision. Potentially most of the Late Ordovician North American species of
|
|
<taxonomicName authority="Hyatt, 1884" authorityName="Hyatt" authorityYear="1884" box="[719,999,1956,1982]" class="Cephalopoda" family="Pseudorthoceratidae" genus="Spyroceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="50" pageNumber="51" phylum="Mollusca" rank="genus">
|
|
<emphasis box="[719,850,1956,1982]" italics="true" pageId="50" pageNumber="51">Spyroceras</emphasis>
|
|
Hyatt, 1884
|
|
</taxonomicName>
|
|
belong to
|
|
<taxonomicName authorityName="Shimizu & Obata" authorityYear="1935" box="[1129,1282,1956,1982]" class="Cephalopoda" family="Proteoceratidae" genus="Gorbyoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="50" pageNumber="51" phylum="Mollusca" rank="genus">
|
|
<emphasis box="[1129,1282,1956,1982]" italics="true" pageId="50" pageNumber="51">Gorbyoceras</emphasis>
|
|
</taxonomicName>
|
|
, but their internal characters are not yet described. Additionally, often the ontogenetic variability in ornamentation is poorly known.
|
|
<bibRefCitation author="Evans D. H." box="[407,569,303,329]" pageId="51" pageNumber="52" pagination="155 - 189" refId="ref47281" refString="Evans D. H. 1993. The cephalopod fauna of the Killey Bridge Formation (Ordovician, Ashgill), Pomeroy, County Tyrone. Irish Journal of Earth Sciences 12: 155 - 189." type="journal article" year="1993">Evans (1993)</bibRefCitation>
|
|
synonymized a number of Late Ordovician species with the aspect of
|
|
<taxonomicName authorityName="Shimizu & Obata" authorityYear="1935" box="[224,377,338,364]" class="Cephalopoda" family="Proteoceratidae" genus="Gorbyoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="51" pageNumber="52" phylum="Mollusca" rank="genus">
|
|
<emphasis box="[224,377,338,364]" italics="true" pageId="51" pageNumber="52">Gorbyoceras</emphasis>
|
|
</taxonomicName>
|
|
from
|
|
<collectingCountry box="[456,539,338,364]" name="Ireland" pageId="51" pageNumber="52">Ireland</collectingCountry>
|
|
within
|
|
<taxonomicName authority="(Portlock, 1843)" baseAuthorityName="Portlock" baseAuthorityYear="1843" box="[635,964,338,364]" class="Cephalopoda" family="Proteoceratidae" genus="Gorbyoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="51" pageNumber="52" phylum="Mollusca" rank="species" species="gracile">
|
|
<emphasis box="[635,758,338,364]" italics="true" pageId="51" pageNumber="52">G. gracile</emphasis>
|
|
(
|
|
<bibRefCitation author="Portlock J. E." box="[776,956,338,364]" pageId="51" pageNumber="52" refId="ref48871" refString="Portlock J. E. 1843. Report on the Geology of the County of Londonderry and of parts of Tyrone and Fermanagh. Andrew Milliken, Dublin." type="book" year="1843">Portlock, 1843</bibRefCitation>
|
|
)
|
|
</taxonomicName>
|
|
and suggested that the number and strength of the longitudinal lirae are ontogenetically highly variable. Among the material assigned within
|
|
<taxonomicName baseAuthorityName="Portlock" baseAuthorityYear="1843" box="[273,394,408,435]" class="Cephalopoda" family="Proteoceratidae" genus="Gorbyoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="51" pageNumber="52" phylum="Mollusca" rank="species" species="gracile">
|
|
<emphasis box="[273,394,408,435]" italics="true" pageId="51" pageNumber="52">G. gracile</emphasis>
|
|
</taxonomicName>
|
|
by
|
|
<bibRefCitation author="Evans D. H." box="[441,601,408,435]" pageId="51" pageNumber="52" pagination="155 - 189" refId="ref47281" refString="Evans D. H. 1993. The cephalopod fauna of the Killey Bridge Formation (Ordovician, Ashgill), Pomeroy, County Tyrone. Irish Journal of Earth Sciences 12: 155 - 189." type="journal article" year="1993">Evans (1993)</bibRefCitation>
|
|
and listed in Evans (his table 5), not a single specimen shows any similarity with the material from the Boda Limestone. The specimens described by
|
|
<bibRefCitation author="Evans D. H." box="[1181,1340,443,470]" pageId="51" pageNumber="52" pagination="155 - 189" refId="ref47281" refString="Evans D. H. 1993. The cephalopod fauna of the Killey Bridge Formation (Ordovician, Ashgill), Pomeroy, County Tyrone. Irish Journal of Earth Sciences 12: 155 - 189." type="journal article" year="1993">Evans (1993)</bibRefCitation>
|
|
may represent different species, but none of them can by synonymized with the Boda species of
|
|
<taxonomicName authorityName="Shimizu & Obata" authorityYear="1935" box="[1245,1398,479,505]" class="Cephalopoda" family="Proteoceratidae" genus="Gorbyoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="51" pageNumber="52" phylum="Mollusca" rank="genus">
|
|
<emphasis box="[1245,1398,479,505]" italics="true" pageId="51" pageNumber="52">Gorbyoceras</emphasis>
|
|
</taxonomicName>
|
|
or
|
|
<taxonomicName authorityName="Hyatt" authorityYear="1884" box="[221,395,515,540]" class="Cephalopoda" family="Dawsonoceratidae" genus="Dawsonoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="51" pageNumber="52" phylum="Mollusca" rank="genus">
|
|
<emphasis box="[221,395,515,540]" italics="true" pageId="51" pageNumber="52">Dawsonoceras</emphasis>
|
|
</taxonomicName>
|
|
.
|
|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |