197 lines
25 KiB
XML
197 lines
25 KiB
XML
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<mods:title id="F1337FF43A14E0C7BA68026F091A2775">Post-extinction survivor fauna from the lowermost Famennian of eastern North America</mods:title>
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<mods:namePart id="37F58AB93089C93DFC9372E6B0954379">Day, Jed</mods:namePart>
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<mods:namePart id="A07FF8F2D2CD780778E8C88990A7FC00">Over, D. Jeffrey</mods:namePart>
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<mods:title id="A164790A9FD950A06E2F5D300CC13C80">Acta Palaeontologica Polonica</mods:title>
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<mods:part id="4F95A298AF31141AAD23C43C4A93A4A6">
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<mods:date id="C68E0B2790373483B0586791EC423893">2002</mods:date>
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<mods:number id="25FECE89D0143A882CDCAF044BD3EB9B">47</mods:number>
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<treatment id="03D287FD782DFFB6FFB8DA35FBEEF871" ID-DOI="http://doi.org/10.5281/zenodo.13174934" ID-Zenodo-Dep="13174934" LSID="urn:lsid:plazi:treatment:03D287FD782DFFB6FFB8DA35FBEEF871" httpUri="http://treatment.plazi.org/id/03D287FD782DFFB6FFB8DA35FBEEF871" lastPageNumber="197" pageId="8" pageNumber="197">
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<subSubSection id="C3616560782DFFB6FFB8DA35FCC0FAB4" box="[102,774,1290,1319]" pageId="8" pageNumber="197" type="nomenclature">
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<paragraph id="8BC436EB782DFFB6FFB8DA35FCC0FAB4" blockId="8.[102,774,1253,1354]" box="[102,774,1290,1319]" pageId="8" pageNumber="197">
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<heading id="D08C8187782DFFB6FFB8DA35FCC0FAB4" box="[102,774,1290,1319]" fontSize="36" level="2" pageId="8" pageNumber="197" reason="7">
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<emphasis id="B90FEAF9782DFFB6FFB8DA35FEC0FAB4" box="[102,262,1290,1319]" italics="true" pageId="8" pageNumber="197">Retichonetes</emphasis>
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aff.
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<taxonomicName id="4C7B4D68782DFFB6FEE0DA35FCC0FAB4" authority="Cooper and Dutro, 1982" authorityName="Cooper and Dutro" authorityYear="1982" box="[318,774,1290,1319]" class="Strophomenata" family="Chonetidae" genus="Retichonetes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Productida" pageId="8" pageNumber="197" phylum="Brachiopoda" rank="species" species="obscurus">
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<emphasis id="B90FEAF9782DFFB6FEE0DA35FE08FAB4" box="[318,462,1290,1319]" italics="true" pageId="8" pageNumber="197">S. obscurus</emphasis>
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<bibRefCitation id="EFEA4B1A782DFFB6FE08DA35FCC0FAB4" author="Cooper, G. A. & Dutro, J. T." box="[470,774,1290,1319]" pageId="8" pageNumber="197" pagination="1 - 215" refId="ref10249" refString="Cooper, G. A. and Dutro, J. T. 1982. Devonian brachiopods of New Mexico. Bulletins of American Paleontology 82 and 83: 1 - 215." type="journal article" year="1982">Cooper and Dutro, 1982</bibRefCitation>
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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="C3616560782DFFB6FFB8DA0BFF15FAD9" box="[102,211,1332,1354]" pageId="8" pageNumber="197" type="description">
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<paragraph id="8BC436EB782DFFB6FFB8DA0BFF15FAD9" blockId="8.[102,774,1253,1354]" box="[102,211,1332,1354]" pageId="8" pageNumber="197">
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<figureCitation id="13402A6E782DFFB6FFB8DA0BFF16FAD9" box="[102,208,1332,1354]" captionStart="Fig" captionStartId="8.[102,135,934,953]" captionTargetBox="[230,1357,226,912]" captionTargetId="figure-444@8.[230,1357,226,912]" captionTargetPageId="8" captionText="Fig. 4. Brachiopods from the shell bed in the Hanover Shale Member of the Java Formation. A–D. Retichonetes aff. S. obscurus Cooper and Dutro, 1982. A. Internal mold of dorsal valve, NYSM 15704 with low medial myophragm, simple sockets flanking the pit near base of cardinal process, × 5.4. B. Upper exteriorviewofdorsalvalve,NYSM15710,×4.8. C.Internalmoldofdorsalvalve,NYSM15705,×7. D.Ventralvalveshowingcostellaewithcrushedand distorted ventral valve of Ambocoelia cf. A. gregaria in upper left, NYSM 15718, × 3.3. E. Tylothyris mesacostalis (Hall, 1867), view of dorsal valve showing centric lamellose ornament and central groove on fold, NYSM 15711, × 2.3. F, G. Praewaagenoconcha speciosa (Hall, 1867). F. Internal mold of dorsal valve with impression of medial myophragm and rugae along the postero−lateral margin, NYSM 15706, × 1.7. G. External mold of dorsal valve showing radial spine bases with some exfoliated shell material, NYSM 15695, × 1.5. H, I. Cyrtospirifer hornellensis Greiner, 1957. H. Exfoliated dorsal valve showing extended postero−lateral extremity, NYSM 15692. I. Ventral valve, NYSM 15691; both × 1.8.J. Ambocoelia cf. A. gregaria Hall, 1867, upper view of flattened dorsal valve showing dorsal groove, NYSM 15719 × 3.5." figureDoi="http://doi.org/10.5281/zenodo.13174926" httpUri="https://zenodo.org/record/13174926/files/figure.png" pageId="8" pageNumber="197">Fig. 4A–D</figureCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C3616560782DFFB6FFB8DA64FD25FAE2" box="[102,739,1371,1393]" pageId="8" pageNumber="197" type="reference_group">
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<paragraph id="8BC436EB782DFFB6FFB8DA64FD25FAE2" blockId="8.[102,739,1371,1393]" box="[102,739,1371,1393]" pageId="8" pageNumber="197">
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<treatmentCitationGroup id="AB6B11C5782DFFB6FFB8DA64FD25FAE2" box="[102,739,1371,1393]" pageId="8" pageNumber="197">
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<taxonomicName id="4C7B4D68782DFFB6FFB8DA64FEFBFAE2" authorityName="Cooper and Dutro" authorityYear="1982" box="[102,317,1371,1393]" class="Strophomenata" family="Chonetidae" genus="Retichonetes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Productida" pageId="8" pageNumber="197" phylum="Brachiopoda" rank="species" species="obscurus">
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<emphasis id="B90FEAF9782DFFB6FFB8DA64FEFBFAE2" box="[102,317,1371,1393]" italics="true" pageId="8" pageNumber="197">Retichonetes obscurus</emphasis>
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</taxonomicName>
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;
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<treatmentCitation id="0ADA10FA782DFFB6FE97DA64FD95FAE2" author="Cooper, G. A. & Dutro, J. T." box="[329,595,1371,1393]" page="58" pageId="8" pageNumber="197" year="1982">
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<bibRefCitation id="EFEA4B1A782DFFB6FE97DA64FD95FAE2" author="Cooper, G. A. & Dutro, J. T." box="[329,595,1371,1393]" pageId="8" pageNumber="197" pagination="1 - 215" refId="ref10249" refString="Cooper, G. A. and Dutro, J. T. 1982. Devonian brachiopods of New Mexico. Bulletins of American Paleontology 82 and 83: 1 - 215." type="journal article" year="1982">Cooper and Dutro 1982: 58</bibRefCitation>
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</treatmentCitation>
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, pl. 11: 19–25.
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</treatmentCitationGroup>
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</paragraph>
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||
</subSubSection>
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<subSubSection id="C3616560782DFFB6FFB8DABEFE7DF98A" pageId="8" pageNumber="197" type="materials_examined">
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<paragraph id="8BC436EB782DFFB6FFB8DABEFE7DF98A" blockId="8.[102,774,1409,1561]" pageId="8" pageNumber="197">
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<emphasis id="B90FEAF9782DFFB6FFB8DABEFF0EFA0A" box="[102,200,1409,1433]" italics="true" pageId="8" pageNumber="197">Material</emphasis>
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.—Figured specimens
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<collectionCode id="ED6AAE2E782DFFB6FE39DABEFDFEFA0A" box="[487,568,1409,1433]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35009" lsid="urn:lsid:biocol.org:col:35009" name="New York State Museum" pageId="8" pageNumber="197">NYSM</collectionCode>
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15704,
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<collectionCode id="ED6AAE2E782DFFB6FD6BDABEFCC0FA0A" box="[693,774,1409,1433]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35009" lsid="urn:lsid:biocol.org:col:35009" name="New York State Museum" pageId="8" pageNumber="197">NYSM</collectionCode>
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15705,
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<collectionCode id="ED6AAE2E782DFFB6FF62DA9EFECBFA2A" box="[188,269,1441,1465]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35009" lsid="urn:lsid:biocol.org:col:35009" name="New York State Museum" pageId="8" pageNumber="197">NYSM</collectionCode>
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15718; unfigured specimens
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<collectionCode id="ED6AAE2E782DFFB6FD81DA9EFD76FA2A" box="[607,688,1441,1465]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35009" lsid="urn:lsid:biocol.org:col:35009" name="New York State Museum" pageId="8" pageNumber="197">NYSM</collectionCode>
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15708,
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<collectionCode id="ED6AAE2E782DFFB6FFB8DAFEFF71FA4A" box="[102,183,1473,1497]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35009" lsid="urn:lsid:biocol.org:col:35009" name="New York State Museum" pageId="8" pageNumber="197">NYSM</collectionCode>
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15709, and
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<collectionCode id="ED6AAE2E782DFFB6FE9CDAFEFE55FA4A" box="[322,403,1473,1497]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35009" lsid="urn:lsid:biocol.org:col:35009" name="New York State Museum" pageId="8" pageNumber="197">NYSM</collectionCode>
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15710; and approximately 2,000 unnumbered complete and partial shells on surfaces of parts and counterparts of split slabs.
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</paragraph>
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</subSubSection>
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<subSubSection id="C3616560782DFFB6FFB8D915FBEEF871" pageId="8" pageNumber="197" type="discussion">
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<paragraph id="8BC436EB782DFFB6FFB8D915FC2CFA73" blockId="8.[102,775,1578,2018]" lastBlockId="8.[812,1486,1254,2018]" pageId="8" pageNumber="197">
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<emphasis id="B90FEAF9782DFFB6FFB8D915FF00F9D1" box="[102,198,1578,1602]" italics="true" pageId="8" pageNumber="197">Remarks</emphasis>
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.—This small chonetid (
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<quantity id="4C839B0E782DFFB6FE0ED915FDEBF9D1" box="[464,557,1578,1602]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" metricValueMax="8.0" metricValueMin="4.0" pageId="8" pageNumber="197" unit="mm" value="6.0" valueMax="8.0" valueMin="4.0">4–8 mm</quantity>
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in width) is the numerically dominant species in the fauna of the Hanover shell bed. This form was initially interpreted as a new genus by
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<bibRefCitation id="EFEA4B1A782DFFB6FD07D954FF74F931" author="Day, J." pageId="8" pageNumber="197" refId="ref10471" refString="Day, J. 1997. Early Famennian (Pa. triangularis Zone) post-extinction brachiopod assemblages above the Frasnian - Famennian boundary in the Hanover Shale of western New York. In: Program andAbstracts of the Amadeus Grabau Symposium: International Meeting on Cyclicity andBioevents in the Devonian System, 24. University of Rochester, Rochester, New York." type="book" year="1997">Day (1997)</bibRefCitation>
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. However, careful study of numerous specimens indicates that the chonetid in the Hanover Shale shell bed is a species of
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<taxonomicName id="4C7B4D68782DFFB6FF66D9F5FDDBF971" authority="Muir-Wood (1962)" authorityName="Muir-Wood" authorityYear="1962" box="[184,541,1738,1762]" class="Strophomenata" family="Chonetidae" genus="Retichonetes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Productida" pageId="8" pageNumber="197" phylum="Brachiopoda" rank="genus">
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<emphasis id="B90FEAF9782DFFB6FF66D9F5FE82F971" box="[184,324,1738,1762]" italics="true" pageId="8" pageNumber="197">Retichonetes</emphasis>
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<bibRefCitation id="EFEA4B1A782DFFB6FE92D9F5FDDBF971" author="Muir-Wood, H." box="[332,541,1738,1762]" pageId="8" pageNumber="197" refId="ref12222" refString="Muir-Wood, H. 1962. On the Morphology andClassification of the Brachio - pod Suborder Chonetoidea. 132 pp. BritishMuseumofNaturalHistory, London." type="book" year="1962">Muir−Wood (1962)</bibRefCitation>
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</taxonomicName>
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close to
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<taxonomicName id="4C7B4D68782DFFB6FD5AD9F4FE46F891" authority="Cooper and Dutro (1982)" authorityName="Cooper and Dutro" authorityYear="1982" class="Strophomenata" family="Chonetidae" genus="Retichonetes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Productida" pageId="8" pageNumber="197" phylum="Brachiopoda" rank="species" species="obscurus">
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<emphasis id="B90FEAF9782DFFB6FD5AD9F4FCC1F971" box="[644,775,1738,1762]" italics="true" pageId="8" pageNumber="197">R. obscurus</emphasis>
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<bibRefCitation id="EFEA4B1A782DFFB6FFB8D9D5FE46F891" author="Cooper, G. A. & Dutro, J. T." box="[102,384,1770,1794]" pageId="8" pageNumber="197" pagination="1 - 215" refId="ref10249" refString="Cooper, G. A. and Dutro, J. T. 1982. Devonian brachiopods of New Mexico. Bulletins of American Paleontology 82 and 83: 1 - 215." type="journal article" year="1982">Cooper and Dutro (1982)</bibRefCitation>
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</taxonomicName>
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described from the Ready Pay and Box members of the Percha Formation of southern
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<collectingRegion id="49BFF809782DFFB6FD4FD834FF4DF8D1" country="United States of America" name="New Mexico" pageId="8" pageNumber="197">New Mexico</collectingRegion>
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.
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<bibRefCitation id="EFEA4B1A782DFFB6FF4DD815FE67F8D1" author="Cooper, G. A. & Dutro, J. T." box="[147,417,1834,1858]" pageId="8" pageNumber="197" pagination="1 - 215" refId="ref10249" refString="Cooper, G. A. and Dutro, J. T. 1982. Devonian brachiopods of New Mexico. Bulletins of American Paleontology 82 and 83: 1 - 215." type="journal article" year="1982">Cooper and Dutro (1982</bibRefCitation>
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: fig. 7) show the Percha as possibly spanning the interval of the Upper
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<taxonomicName id="4C7B4D68782DFFB6FDDBD874FD07F8F1" authority="Zone" authorityName="Zone" box="[517,705,1866,1890]" class="Strophomenata" family="Productellidae" genus="Praewaagenoconcha" higherTaxonomySource="CoL" kingdom="Animalia" order="Productida" pageId="8" pageNumber="197" phylum="Brachiopoda" rank="species" species="crepida">
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<emphasis id="B90FEAF9782DFFB6FDDBD874FD45F8F1" box="[517,643,1866,1890]" italics="true" pageId="8" pageNumber="197">Pa. crepida</emphasis>
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Zone
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</taxonomicName>
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to
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<taxonomicName id="4C7B4D68782DFFB6FD3FD874FECCF811" authority="Zone" authorityName="Zone" class="Strophomenata" family="Productellidae" genus="Praewaagenoconcha" higherTaxonomySource="CoL" kingdom="Animalia" order="Productida" pageId="8" pageNumber="197" phylum="Brachiopoda" rank="species" species="styriacus">
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<emphasis id="B90FEAF9782DFFB6FD3FD874FF0FF811" italics="true" pageId="8" pageNumber="197">Po. styriacus</emphasis>
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Zone
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</taxonomicName>
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(lower–upper Famennian). The
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<taxonomicName id="4C7B4D68782DFFB6FDA8D854FF59F831" authority="Zone" authorityName="Zone" class="Strophomenata" family="Productellidae" genus="Praewaagenoconcha" higherTaxonomySource="CoL" kingdom="Animalia" order="Productida" pageId="8" pageNumber="197" phylum="Brachiopoda" rank="species" species="styriacus">
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<emphasis id="B90FEAF9782DFFB6FDA8D854FCC1F811" box="[630,775,1899,1922]" italics="true" pageId="8" pageNumber="197">Po. styriacus</emphasis>
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Zone
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</taxonomicName>
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as shown in fig. 7 of
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<bibRefCitation id="EFEA4B1A782DFFB6FE5AD8B5FD51F831" author="Cooper, G. A. & Dutro, J. T." box="[388,663,1930,1954]" pageId="8" pageNumber="197" pagination="1 - 215" refId="ref10249" refString="Cooper, G. A. and Dutro, J. T. 1982. Devonian brachiopods of New Mexico. Bulletins of American Paleontology 82 and 83: 1 - 215." type="journal article" year="1982">Cooper and Dutro (1982)</bibRefCitation>
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is equivalent to the Lower and Upper
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<taxonomicName id="4C7B4D68782DFFB6FE19D894FD8DF851" box="[455,587,1963,1986]" class="Strophomenata" family="Productellidae" genus="Praewaagenoconcha" higherTaxonomySource="CoL" kingdom="Animalia" order="Productida" pageId="8" pageNumber="197" phylum="Brachiopoda" rank="species" species="postera">
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<emphasis id="B90FEAF9782DFFB6FE19D894FD8DF851" box="[455,587,1963,1986]" italics="true" pageId="8" pageNumber="197">Pa. postera</emphasis>
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</taxonomicName>
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and Lower
|
||
<taxonomicName id="4C7B4D68782DFFB6FD3FD894FF06F871" class="Strophomenata" family="Productellidae" genus="Praewaagenoconcha" higherTaxonomySource="CoL" kingdom="Animalia" order="Productida" pageId="8" pageNumber="197" phylum="Brachiopoda" rank="species" species="expansa">
|
||
<emphasis id="B90FEAF9782DFFB6FD3FD894FF06F871" italics="true" pageId="8" pageNumber="197">Pa. expansa</emphasis>
|
||
</taxonomicName>
|
||
zones of the current Famennian conodont zonation (see revisions by
|
||
<bibRefCitation id="EFEA4B1A782DFFB6FC2EDBD9FA57FB6D" author="Ziegler, W. & Sandberg, C. A." box="[1008,1425,1254,1278]" pageId="8" pageNumber="197" pagination="179 - 194" refId="ref14383" refString="Ziegler, W. and Sandberg, C. A. 1984. Palmatolepis - based revision of upper part of standard Late Devonian conodont Zonation. Geological Society of America Special Paper 196: 179 - 194." type="journal article" year="1984">Ziegler and Sandberg 1984: 183–184</bibRefCitation>
|
||
, figs. 1–4).
|
||
<taxonomicName id="4C7B4D68782DFFB6FCB0DA39FBA0FA8D" authorityName="Cooper and Dutro" authorityYear="1982" box="[878,1126,1286,1310]" class="Strophomenata" family="Chonetidae" genus="Retichonetes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Productida" pageId="8" pageNumber="197" phylum="Brachiopoda" rank="species" species="obscurus">
|
||
<emphasis id="B90FEAF9782DFFB6FCB0DA39FBA0FA8D" box="[878,1126,1286,1310]" italics="true" pageId="8" pageNumber="197">Retichonetes obscurus</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<collectingRegion id="49BFF809782DFFB6FB73DA38FAF9FA8D" box="[1197,1343,1286,1310]" country="United States of America" name="New Mexico" pageId="8" pageNumber="197">New Mexico</collectingRegion>
|
||
is similar to the Hanover specimens in overall shape and size and numbers of costellae. The Hanover form differs by the presence of well preserved concentric growth lines on the rounded costellae and in the interspaces, and having a better developed dorsal septum than that shown for
|
||
<taxonomicName id="4C7B4D68782DFFB6FBB5DA97FB29FA2C" authorityName="Cooper and Dutro" authorityYear="1982" box="[1131,1263,1447,1471]" class="Strophomenata" family="Chonetidae" genus="Retichonetes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Productida" pageId="8" pageNumber="197" phylum="Brachiopoda" rank="species" species="obscurus">
|
||
<emphasis id="B90FEAF9782DFFB6FBB5DA97FB29FA2C" box="[1131,1263,1447,1471]" italics="true" pageId="8" pageNumber="197">R. obscurus</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="EFEA4B1A782DFFB6FADEDA97FCA1FA73" author="Cooper, G. A. & Dutro, J. T." pageId="8" pageNumber="197" pagination="1 - 215" refId="ref10249" refString="Cooper, G. A. and Dutro, J. T. 1982. Devonian brachiopods of New Mexico. Bulletins of American Paleontology 82 and 83: 1 - 215." type="journal article" year="1982">Cooper and Dutro 1982</bibRefCitation>
|
||
: pl. 11: 24).
|
||
</paragraph>
|
||
<paragraph id="8BC436EB782DFFB6FC8CDAD5FBEEF871" blockId="8.[812,1486,1254,2018]" pageId="8" pageNumber="197">
|
||
Another similar form
|
||
<taxonomicName id="4C7B4D68782DFFB6FB8CDAD5FAD6F991" box="[1106,1296,1514,1538]" class="Strophomenata" family="Chonetidae" genus="Retichonetes" kingdom="Animalia" order="Productida" pageId="8" pageNumber="197" phylum="Brachiopoda" rank="species" species="undetermined">
|
||
<emphasis id="B90FEAF9782DFFB6FB8CDAD5FB21F991" box="[1106,1255,1514,1538]" italics="true" pageId="8" pageNumber="197">Retichonetes</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
is illustrated by Schwimmer and Feldmann (1991: figs. 7.1–7.8) from the Famennian Chagrin Shale of northeast
|
||
<collectingRegion id="49BFF809782DFFB6FB27D915FAF1F9D1" box="[1273,1335,1578,1602]" country="United States of America" name="Ohio" pageId="8" pageNumber="197">Ohio</collectingRegion>
|
||
. Their shells are similar to the Hanover material in overall shape, size, and in the high angle (60 to 90°) that the oblique orthomorph spines arise from the posterior margin of the ventral valve. They do not mention the reticulated ornament typical of species of
|
||
<taxonomicName id="4C7B4D68782DFFB6FC23D9F5FB54F971" authorityName="Muir-Wood" authorityYear="1962" box="[1021,1170,1738,1762]" class="Strophomenata" family="Chonetidae" genus="Retichonetes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Productida" pageId="8" pageNumber="197" phylum="Brachiopoda" rank="genus">
|
||
<emphasis id="B90FEAF9782DFFB6FC23D9F5FB54F971" box="[1021,1170,1738,1762]" italics="true" pageId="8" pageNumber="197">Retichonetes</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="EFEA4B1A782DFFB6FB7AD9F5FAB0F971" author="Muir-Wood, H." box="[1188,1398,1738,1762]" pageId="8" pageNumber="197" refId="ref12247" refString="Muir-Wood, H. 1965. Chonetidina. In: R. C. Moore (ed.), Treatise on Invertebrate Paleontology, Part H (Brachiopoda), H 412 - H 439. Geological SocietyofAmericaandUniversityofKansasPress, Lawrence, Kansas." type="journal volume" year="1965">Muir−Wood 1965</bibRefCitation>
|
||
: H428, fig. 286). Reticulated ornament is seen on shells of
|
||
<emphasis id="B90FEAF9782DFFB6FA5BD9D4FA58F891" box="[1413,1438,1771,1794]" italics="true" pageId="8" pageNumber="197">
|
||
<collectionCode id="ED6AAE2E782DFFB6FA5BD9D4FA5CF891" box="[1413,1434,1771,1794]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="8" pageNumber="197">R</collectionCode>
|
||
.
|
||
</emphasis>
|
||
aff.
|
||
<taxonomicName id="4C7B4D68782DFFB6FCF2D834FC71F8B1" authorityName="Cooper and Dutro" authorityYear="1982" box="[812,951,1802,1826]" class="Strophomenata" family="Chonetidae" genus="Retichonetes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Productida" pageId="8" pageNumber="197" phylum="Brachiopoda" rank="species" species="obscurus">
|
||
<emphasis id="B90FEAF9782DFFB6FCF2D834FC71F8B1" box="[812,951,1802,1826]" italics="true" pageId="8" pageNumber="197">R. obscurus</emphasis>
|
||
</taxonomicName>
|
||
with well preserved shell material, produced where fine concentric growth lines cross the radial costellae. Spines along the ventral cardinal margins in both the Hanover specimens and
|
||
<emphasis id="B90FEAF9782DFFB6FBAAD854FB43F811" box="[1140,1157,1899,1922]" italics="true" pageId="8" pageNumber="197">
|
||
<collectionCode id="ED6AAE2E782DFFB6FBAAD854FB43F811" box="[1140,1157,1899,1922]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="8" pageNumber="197">R</collectionCode>
|
||
</emphasis>
|
||
. sp. from the Chagrin Shale of
|
||
<collectingRegion id="49BFF809782DFFB6FC94D8B5FC42F831" box="[842,900,1930,1954]" country="United States of America" name="Ohio" pageId="8" pageNumber="197">Ohio</collectingRegion>
|
||
(Schwimmer and Feldmann 1991) arise at high angles as is typical for the genus (see
|
||
<bibRefCitation id="EFEA4B1A782DFFB6FB11D895FA01F851" author="Muir-Wood, H." box="[1231,1479,1962,1986]" pageId="8" pageNumber="197" refId="ref12222" refString="Muir-Wood, H. 1962. On the Morphology andClassification of the Brachio - pod Suborder Chonetoidea. 132 pp. BritishMuseumofNaturalHistory, London." type="book" year="1962">Muir−Wood 1962: 62</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFEA4B1A782DFFB6FCF2D8F5FCACF871" author="Muir-Wood, H." box="[812,874,1994,2018]" pageId="8" pageNumber="197" refId="ref12247" refString="Muir-Wood, H. 1965. Chonetidina. In: R. C. Moore (ed.), Treatise on Invertebrate Paleontology, Part H (Brachiopoda), H 412 - H 439. Geological SocietyofAmericaandUniversityofKansasPress, Lawrence, Kansas." type="journal volume" year="1965">1965</bibRefCitation>
|
||
: figs. 285, 286).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |