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55 KiB
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404 lines
55 KiB
XML
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<mods:title id="4D699ECCFB9D1CC1B3AF3E0B679BBABD">Paleogene marine bivalves of the deep-water Keasey Formation in Oregon, Part II: The pteriomorphs</mods:title>
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<treatment id="C23987DDFFF32932FC25F966EB86BEB1" ID-DOI="http://doi.org/10.5281/zenodo.11505093" ID-GBIF-Taxon="232155339" ID-Zenodo-Dep="11505093" LSID="urn:lsid:plazi:treatment:C23987DDFFF32932FC25F966EB86BEB1" httpUri="http://treatment.plazi.org/id/C23987DDFFF32932FC25F966EB86BEB1" lastPageId="14" lastPageNumber="13" pageId="11" pageNumber="10">
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<subSubSection id="028A6540FFF32937FC25F966EB72BBB2" box="[954,1398,1730,1758]" pageId="11" pageNumber="10" type="nomenclature">
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<paragraph id="4A2F36CBFFF32937FC25F966EB72BBB2" blockId="11.[954,1398,1730,1789]" box="[954,1398,1730,1758]" pageId="11" pageNumber="10">
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<heading id="116781A7FFF32937FC25F966EB72BBB2" allCaps="true" box="[954,1398,1730,1758]" centered="true" fontSize="10" level="2" pageId="11" pageNumber="10" reason="2">
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<taxonomicName id="8D904D48FFF32937FC25F966EB72BBB2" authority="(DICKERSON, 1917)" baseAuthorityName="Dickerson" baseAuthorityYear="1917" box="[954,1398,1730,1758]" class="Bivalvia" family="Parallelodontidae" genus="Porterius" kingdom="Animalia" order="Arcida" pageId="11" pageNumber="10" phylum="Mollusca" rank="species" species="gabbi">
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<emphasis id="78E4EAD9FFF32937FC25F966EA9DBBB1" box="[954,1177,1730,1758]" italics="true" pageId="11" pageNumber="10">PORTERIUS GABBI</emphasis>
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(
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||
<bibRefCitation id="2E014B3AFFF32937FB36F961EB68BBB2" author="Dickerson, R. E." box="[1193,1388,1733,1757]" pageId="11" pageNumber="10" pagination="157 - 192" refId="ref29390" refString="Dickerson, R. E. 1917. Climate and its influence upon the Ologicene faunas of the Pacific Coast with descritpions of some new spe- cies from the Molopophorus lincolnensis Zone. Proceedings of the California Academy of Sciences 7 (6): 157 - 192, pls. 27 - 31." type="journal article" year="1917">DICKERSON, 1917</bibRefCitation>
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||
)
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||
</taxonomicName>
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||
</heading>
|
||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="028A6540FFF32937FBA8F941EAFDBB92" box="[1079,1273,1765,1789]" pageId="11" pageNumber="10" type="description">
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||
<paragraph id="4A2F36CBFFF32937FBA8F941EAFDBB92" blockId="11.[954,1398,1730,1789]" box="[1079,1273,1765,1789]" pageId="11" pageNumber="10">
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||
<figureCitation id="D2AB2A4EFFF32937FBA8F941EAB6BB92" box="[1079,1202,1765,1789]" captionStart="Figure 5" captionStartId="12.[112,187,1852,1876]" captionTargetBox="[146,1479,464,1832]" captionTargetId="figure-127@12.[146,1479,464,1832]" captionTargetPageId="12" captionText="Figure 5. Porterius gabbi (Dickerson, 1917), Keasey Formation. A, B. Exterior and Interior of right valve, hypotype USNM 561838, scale bar=1 cm. C. Detail of cardinal area and hinge plate of B, scale bar=1 mm. D. Interior of left valve interior in matrix, hypotype UCMP 110736, scale bar=1 cm. E–H. Interior and exterior of left valve, hypotype UCMP 110737, with detail views of hinge tooth striations (G) and interior shell lines (H), scale bar=1 cm." figureDoi="http://doi.org/10.5281/zenodo.10913487" httpUri="https://zenodo.org/record/10913487/files/figure.png" pageId="11" pageNumber="10">FIGS. 5A–H</figureCitation>
|
||
,
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||
<figureCitation id="D2AB2A4EFFF32937FB23F941EAFDBB92" box="[1212,1273,1765,1789]" captionStart="Figure 6" captionStartId="13.[109,184,1817,1841]" captionTargetBox="[157,1476,563,1796]" captionTargetId="figure-165@13.[157,1476,563,1799]" captionTargetPageId="13" captionText="Figure 6. Porterius gabbi (Dickerson, 1917), Gries Ranch Formation. A. left valve interior of Effinger (1938) hypotype UCMP 32429, scale bar=5 mm. B, C. Interior and exterior of adult right valve, hypotype UCMP 110738, scale bar=1 cm. D, E. Interior and exterior of juvenile left valve, hypotype UCMP 110739, scale bar=5 mm. F. Detail of rib increase by splitting from C. G. Detail of cardinal area and hinge plate from B: hl=hinge line, lg=ligament grooves on cardinal area, at=anterior hinge teeth, eg=edentulous gap, pt=posterior hinge teeth." figureDoi="http://doi.org/10.5281/zenodo.10913489" httpUri="https://zenodo.org/record/10913489/files/figure.png" pageId="11" pageNumber="10">6A–G</figureCitation>
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</paragraph>
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||
</subSubSection>
|
||
<subSubSection id="028A6540FFF32937FCDFF8B6EBD1BA37" pageId="11" pageNumber="10" type="reference_group">
|
||
<paragraph id="4A2F36CBFFF32937FCDFF8B6EBD3BA41" blockId="11.[832,1495,1810,1910]" box="[832,1495,1810,1840]" pageId="11" pageNumber="10">
|
||
<taxonomicName id="8D904D48FFF32937FCDFF8B6EAD8BA41" authority="Dickerson (1917)" authorityName="Dickerson" authorityYear="1917" box="[832,1244,1810,1840]" class="Bivalvia" family="Arcidae" genus="Barbatia" kingdom="Animalia" order="Arcida" pageId="11" pageNumber="10" phylum="Mollusca" rank="species" species="gabbi">
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||
<emphasis id="78E4EAD9FFF32937FCDFF8B6EDFCBA5F" box="[832,1016,1810,1840]" italics="true" pageId="11" pageNumber="10">Barbatia gabbi</emphasis>
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||
<bibRefCitation id="2E014B3AFFF32937FC60F8B7EAD8BA41" author="Dickerson, R. E." box="[1023,1244,1811,1838]" pageId="11" pageNumber="10" pagination="157 - 192" refId="ref29390" refString="Dickerson, R. E. 1917. Climate and its influence upon the Ologicene faunas of the Pacific Coast with descritpions of some new spe- cies from the Molopophorus lincolnensis Zone. Proceedings of the California Academy of Sciences 7 (6): 157 - 192, pls. 27 - 31." type="journal article" year="1917">Dickerson (1917)</bibRefCitation>
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||
</taxonomicName>
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||
. p. 167; pl. 29, fig. 4.
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||
</paragraph>
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||
<paragraph id="4A2F36CBFFF32937FCDFF899EBD1BA37" blockId="11.[832,1495,1810,1910]" box="[832,1493,1853,1881]" pageId="11" pageNumber="10">
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||
<taxonomicName id="8D904D48FFF32937FCDFF899EB24BA36" authority="Van Winkle (1918)" authorityName="Van Winkle" authorityYear="1918" box="[832,1312,1853,1881]" class="Bivalvia" family="Arcidae" genus="Barbatia" kingdom="Animalia" order="Arcida" pageId="11" pageNumber="10" phylum="Mollusca" rank="species" species="andersoni">
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||
<emphasis id="78E4EAD9FFF32937FCDFF899EA29BA36" box="[832,1069,1853,1881]" italics="true" pageId="11" pageNumber="10">Barbatia andersoni</emphasis>
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||
Van Winkle (1918)
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||
</taxonomicName>
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||
. pp. 81–82; pl.
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="028A6540FFF32932FCF4F8FFEC95BCE5" lastPageId="14" lastPageNumber="13" pageId="11" pageNumber="10" type="description">
|
||
<paragraph id="4A2F36CBFFF32937FCF4F8FFEDCDBA19" blockId="11.[832,1495,1810,1910]" box="[875,969,1883,1910]" pageId="11" pageNumber="10">6, fig. 2.</paragraph>
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||
<paragraph id="4A2F36CBFFF42930FFEFFF65ECD7BD95" blockId="12.[112,800,193,442]" pageId="12" pageNumber="11">
|
||
<taxonomicName id="8D904D48FFF42930FFEFFF65ECC2BDB1" authority="(Van Winkle)" baseAuthorityName="Van Winkle" box="[112,710,193,222]" class="Bivalvia" family="Parallelodontidae" genus="Parallelodon" kingdom="Animalia" order="Arcida" pageId="12" pageNumber="11" phylum="Mollusca" rank="species" species="andersoni" subGenus="Porterius">
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||
<emphasis id="78E4EAD9FFF42930FFEFFF65EF08BDB2" box="[112,268,193,221]" italics="true" pageId="12" pageNumber="11">Parallelodon</emphasis>
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||
(
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<emphasis id="78E4EAD9FFF42930FE82FF65EF8ABDB2" box="[285,398,193,221]" italics="true" pageId="12" pageNumber="11">Porterius</emphasis>
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||
)
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||
<emphasis id="78E4EAD9FFF42930FE3FFF65EC1EBDB2" box="[416,538,193,221]" italics="true" pageId="12" pageNumber="11">andersoni</emphasis>
|
||
(Van Winkle)
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||
</taxonomicName>
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||
,
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||
<bibRefCitation id="2E014B3AFFF42930FD4EFF67ED17BDB2" author="Clark, B. L." box="[721,787,195,221]" pageId="12" pageNumber="11" pagination="69 - 136" refId="ref28111" refString="Clark, B. L. 1925. Pelecypoda from the marine Oligocene of western North America. University of California Bulletin of the Department of Geological Sciences 15 (4): 69 - 136, pls. 8 - 22." type="journal article" year="1925">Clark</bibRefCitation>
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||
(1925). pp. 79–80; pl. 8, fig. 33; pl. 9, figs. 1, 6.
|
||
</paragraph>
|
||
<paragraph id="4A2F36CBFFF42930FFEFFEADED1ABC4A" blockId="12.[112,800,193,442]" box="[112,798,265,294]" pageId="12" pageNumber="11">
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||
<emphasis id="78E4EAD9FFF42930FFEFFEADEE7EBC4A" box="[112,122,265,293]" italics="true" pageId="12" pageNumber="11">“</emphasis>
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||
<taxonomicName id="8D904D48FFF42930FFE5FEADECDBBC4A" authority="Van Winkle, Reinhart (1935)" authorityName="Van Winkle, Reinhart" authorityYear="1935" box="[122,735,265,294]" class="Bivalvia" family="Arcidae" genus="Barbatia" kingdom="Animalia" order="Arcida" pageId="12" pageNumber="11" phylum="Mollusca" rank="species" species="andersoni">
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||
<emphasis id="78E4EAD9FFF42930FFE5FEADEF77BC4A" box="[122,371,265,293]" italics="true" pageId="12" pageNumber="11">Barbatia” andersoni</emphasis>
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Van Winkle, Reinhart (1935)
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</taxonomicName>
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. p. 7.
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</paragraph>
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||
<paragraph id="4A2F36CBFFF42930FFEFFE95ECDCBC22" blockId="12.[112,800,193,442]" box="[112,728,305,335]" pageId="12" pageNumber="11">
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||
<taxonomicName id="8D904D48FFF42930FFEFFE95EFCDBC21" authority="(Dickerson)" baseAuthorityName="Dickerson" baseAuthorityYear="1917" box="[112,457,305,335]" class="Bivalvia" family="Parallelodontidae" genus="Porterius" kingdom="Animalia" order="Arcida" pageId="12" pageNumber="11" phylum="Mollusca" rank="species" species="gabbi">
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<emphasis id="78E4EAD9FFF42930FFEFFE95EF28BC20" box="[112,300,305,335]" italics="true" pageId="12" pageNumber="11">Porterius gabbi</emphasis>
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(Dickerson)
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</taxonomicName>
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, Schenck (1936). p. 7.
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</paragraph>
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<paragraph id="4A2F36CBFFF42930FFEFFEFFEFEBBCFD" blockId="12.[112,800,193,442]" pageId="12" pageNumber="11">
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||
<taxonomicName id="8D904D48FFF42930FFEFFEFFEC67BC19" authority="(Dickerson)" baseAuthorityName="Dickerson" baseAuthorityYear="1917" box="[112,611,347,375]" class="Bivalvia" family="Parallelodontidae" genus="Cucullaria" kingdom="Animalia" order="Arcida" pageId="12" pageNumber="11" phylum="Mollusca" rank="species" species="gabbi" subGenus="Porterius">
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||
<emphasis id="78E4EAD9FFF42930FFEFFEFFEFC3BC18" box="[112,455,347,375]" italics="true" pageId="12" pageNumber="11">Cucullaria (Porterius) gabbi</emphasis>
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||
(Dickerson)
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||
</taxonomicName>
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||
,
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||
<bibRefCitation id="2E014B3AFFF42930FDF1FEFFECD6BC1A" author="Effinger, W. L." box="[622,722,347,373]" pageId="12" pageNumber="11" pagination="355 - 390" refId="ref29720" refString="Effinger, W. L. 1938. The Gries Ranch fauna (Oligocene) of Western Washington. Journal of Paleontology 12 (4): 355 - 390." type="journal article" year="1938">Effinger</bibRefCitation>
|
||
(1938). p. 366; pl. 46, fig. 6.
|
||
</paragraph>
|
||
<paragraph id="4A2F36CBFFF42930FFEFFE38EB1ABDB2" blockId="12.[112,800,193,442]" box="[112,1310,195,442]" lastBlockId="12.[832,1478,195,435]" pageId="12" pageNumber="11">
|
||
<taxonomicName id="8D904D48FFF42930FFEFFE38EFCCBCD7" authority="(Dickerson)" baseAuthorityName="Dickerson" baseAuthorityYear="1917" box="[112,456,412,442]" class="Bivalvia" family="Parallelodontidae" genus="Porterius" kingdom="Animalia" order="Arcida" pageId="12" pageNumber="11" phylum="Mollusca" rank="species" species="gabbi">
|
||
<emphasis id="78E4EAD9FFF42930FFEFFE38EF28BCD5" box="[112,300,412,442]" italics="true" pageId="12" pageNumber="11">Porterius gabbi</emphasis>
|
||
(Dickerson)
|
||
</taxonomicName>
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||
, Weaver (1943). pp. 53–54; pl. 9, figs. 7, 10, 11, 14; pl. 11, fig. 3.
|
||
</paragraph>
|
||
<paragraph id="4A2F36CBFFF42930FCDFFF48EB78BC49" blockId="12.[832,1478,195,435]" pageId="12" pageNumber="11">
|
||
<taxonomicName id="8D904D48FFF42930FCDFFF48EA9DBC67" authority="(Dickerson)" baseAuthorityName="Dickerson" baseAuthorityYear="1917" box="[832,1177,236,266]" class="Bivalvia" family="Parallelodontidae" genus="Porterius" kingdom="Animalia" order="Arcida" pageId="12" pageNumber="11" phylum="Mollusca" rank="species" species="gabbi">
|
||
<emphasis id="78E4EAD9FFF42930FCDFFF48EDF8BC65" box="[832,1020,236,266]" italics="true" pageId="12" pageNumber="11">Porterius gabbi</emphasis>
|
||
(Dickerson)
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||
</taxonomicName>
|
||
, Vokes in Warren, Norbisrath and Grivetti (1945) (checklist).
|
||
</paragraph>
|
||
<paragraph id="4A2F36CBFFF42930FCDFFE95EA26BC05" blockId="12.[832,1478,195,435]" pageId="12" pageNumber="11">
|
||
<taxonomicName id="8D904D48FFF42930FCDFFE95EA9DBC21" authority="(Dickerson)" baseAuthorityName="Dickerson" baseAuthorityYear="1917" box="[832,1177,305,335]" class="Bivalvia" family="Parallelodontidae" genus="Porterius" kingdom="Animalia" order="Arcida" pageId="12" pageNumber="11" phylum="Mollusca" rank="species" species="gabbi">
|
||
<emphasis id="78E4EAD9FFF42930FCDFFE95EDF8BC20" box="[832,1020,305,335]" italics="true" pageId="12" pageNumber="11">Porterius gabbi</emphasis>
|
||
(Dickerson)
|
||
</taxonomicName>
|
||
, Warren and Norbisrath (1946). p. 227.
|
||
</paragraph>
|
||
<paragraph id="4A2F36CBFFF42930FCDFFEDEEAA9BCDD" blockId="12.[832,1478,195,435]" pageId="12" pageNumber="11">
|
||
<taxonomicName id="8D904D48FFF42930FCDFFEDEEA9DBCF9" authority="(Dickerson)" baseAuthorityName="Dickerson" baseAuthorityYear="1917" box="[832,1177,378,407]" class="Bivalvia" family="Parallelodontidae" genus="Porterius" kingdom="Animalia" order="Arcida" pageId="12" pageNumber="11" phylum="Mollusca" rank="species" species="gabbi">
|
||
<emphasis id="78E4EAD9FFF42930FCDFFEDEEDF8BCF8" box="[832,1020,378,407]" italics="true" pageId="12" pageNumber="11">Porterius gabbi</emphasis>
|
||
(Dickerson)
|
||
</taxonomicName>
|
||
,
|
||
<collectionCode id="2C81AE0EFFF42930FB3BFEDFEABCBCFA" box="[1188,1208,379,405]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="12" pageNumber="11">R</collectionCode>
|
||
.C. Moore and Vokes (1953). pp. 115, 118, 119.
|
||
</paragraph>
|
||
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<paragraph id="4A2F36CBFFF42930FFEFF898ECD3BACB" blockId="12.[112,1510,1852,1956]" pageId="12" pageNumber="11">
|
||
<emphasis id="78E4EAD9FFF42930FFEFF898EED4BA3B" bold="true" box="[112,208,1852,1876]" pageId="12" pageNumber="11">Figure 5</emphasis>
|
||
.
|
||
<taxonomicName id="8D904D48FFF42930FF45F899EC42BA3B" authority="(Dickerson, 1917)" baseAuthorityName="Dickerson" baseAuthorityYear="1917" box="[218,582,1852,1877]" class="Bivalvia" family="Parallelodontidae" genus="Porterius" kingdom="Animalia" order="Arcida" pageId="12" pageNumber="11" phylum="Mollusca" rank="species" species="gabbi">
|
||
<emphasis id="78E4EAD9FFF42930FF45F899EF79BA3A" box="[218,381,1853,1877]" italics="true" pageId="12" pageNumber="11">Porterius gabbi</emphasis>
|
||
(
|
||
<bibRefCitation id="2E014B3AFFF42930FE13F898EC38BA3B" author="Dickerson, R. E." box="[396,572,1852,1876]" pageId="12" pageNumber="11" pagination="157 - 192" refId="ref29390" refString="Dickerson, R. E. 1917. Climate and its influence upon the Ologicene faunas of the Pacific Coast with descritpions of some new spe- cies from the Molopophorus lincolnensis Zone. Proceedings of the California Academy of Sciences 7 (6): 157 - 192, pls. 27 - 31." type="journal article" year="1917">Dickerson, 1917</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
, Keasey Formation.
|
||
<emphasis id="78E4EAD9FFF42930FC81F898ED4EBA3B" bold="true" box="[798,842,1852,1876]" pageId="12" pageNumber="11">A, B</emphasis>
|
||
. Exterior and Interior of right valve, hypotype USNM 561838, scale bar=1 cm.
|
||
<emphasis id="78E4EAD9FFF42930FE82F8F3EF28BA00" bold="true" box="[285,300,1879,1903]" pageId="12" pageNumber="11">C</emphasis>
|
||
. Detail of cardinal area and hinge plate of
|
||
<emphasis id="78E4EAD9FFF42930FD70F8F3ECFBBA00" bold="true" box="[751,767,1879,1903]" pageId="12" pageNumber="11">B</emphasis>
|
||
, scale bar=1 mm.
|
||
<emphasis id="78E4EAD9FFF42930FC5DF8F3EDD0BA00" bold="true" box="[962,980,1879,1903]" pageId="12" pageNumber="11">D</emphasis>
|
||
. Interior of left valve interior in matrix, hypotype UCMP 110736, scale bar=1 cm.
|
||
<emphasis id="78E4EAD9FFF42930FE5CF8D6EFF4BAE5" bold="true" box="[451,496,1906,1930]" pageId="12" pageNumber="11">E–H</emphasis>
|
||
. Interior and exterior of left valve, hypotype UCMP 110737, with detail views of hinge tooth striations (
|
||
<emphasis id="78E4EAD9FFF42930FF78F828EEF3BACB" bold="true" box="[231,247,1932,1956]" pageId="12" pageNumber="11">G</emphasis>
|
||
) and interior shell lines (
|
||
<emphasis id="78E4EAD9FFF42930FD97F828EC1EBACB" bold="true" box="[520,538,1932,1956]" pageId="12" pageNumber="11">H</emphasis>
|
||
), scale bar=1 cm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="4A2F36CBFFF52931FFEFFF65EF3DBD94" blockId="13.[112,800,193,251]" pageId="13" pageNumber="12">
|
||
<taxonomicName id="8D904D48FFF52931FFEFFF65EFCCBDB1" authority="(Dickerson)" baseAuthorityName="Dickerson" baseAuthorityYear="1917" box="[112,456,193,223]" class="Bivalvia" family="Parallelodontidae" genus="Porterius" kingdom="Animalia" order="Arcida" pageId="13" pageNumber="12" phylum="Mollusca" rank="species" species="gabbi">
|
||
<emphasis id="78E4EAD9FFF52931FFEFFF65EF28BDB0" box="[112,300,193,223]" italics="true" pageId="13" pageNumber="12">Porterius gabbi</emphasis>
|
||
(Dickerson)
|
||
</taxonomicName>
|
||
,
|
||
<bibRefCitation id="2E014B3AFFF52931FE4CFF67ECA4BDB2" author="Hickman, C. S." box="[467,672,195,221]" pageId="13" pageNumber="12" pagination="1215 - 1234" refId="ref31128" refString="Hickman, C. S. 1984. Composition, structure, ecology, and evolution of six Cenozoic deep-water mollusk communities. Journal of Paleontology 58: 1215 - 1234." type="journal article" year="1984">Hickman (1984)</bibRefCitation>
|
||
, pp. 1223, 1226; fig. 7c.
|
||
</paragraph>
|
||
<paragraph id="4A2F36CBFFF52932FF0FFEA9EC95BCE5" blockId="13.[112,801,269,535]" lastBlockId="14.[112,801,195,1929]" lastPageId="14" lastPageNumber="13" pageId="13" pageNumber="12">
|
||
<emphasis id="78E4EAD9FFF52931FF0FFEA9EFAFBC48" bold="true" box="[144,427,269,295]" pageId="13" pageNumber="12">Amended description</emphasis>
|
||
—Shell small (length <
|
||
<quantity id="8D689B2EFFF52931FD24FEA9ED17BC47" box="[699,787,269,296]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="13" pageNumber="12" unit="mm" value="20.0">20 mm</quantity>
|
||
), thin; shape ovate-elongate, moderately inflated, strongly inequilateral, with small prosogyrous umbones far anterior to midline; anterior margin rounded and narrow relative to obliquely expanded posterior margin; dorsal margin straight, ventral margin with faint byssal flexure but no indication of gape; exterior sculpture of well-developed radial ribs separated by deep narrow grooves; posterior ribs becoming broader and flat-topped during growth, anterior ribs remaining narrow and increasing in number, either by splitting or intercalation; commarginal sculpture absent except for irregular growth checks; shell interior with well-developed adductor scars and simple pallial line; inner shell surface with slightlyupraised radial threads of subequal prominence, most distinct where they terminate at pallial line; hinge plate slightly arched, divided into anterior and posterior sets of teeth interrupted by edentulous central gap resulting from overgrowth of duplivincular ligament; two or three well-developed posterior teeth, elongate and distinctly parallel to hinge; variable number of small anterior teeth, crowded and chevron shaped with short, vertical posterior segment and longer anterior segment subparallel to hinge; both sets of hinge teeth finely striate.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="1EEF6643FFF52931FFF2F8BDEFABBAF3" ID-DOI="http://doi.org/10.5281/zenodo.10913489" ID-Zenodo-Dep="10913489" httpUri="https://zenodo.org/record/10913489/files/figure.png" pageId="13" pageNumber="12" startId="13.[109,184,1817,1841]" targetBox="[157,1476,563,1796]" targetPageId="13" targetType="figure">
|
||
<paragraph id="4A2F36CBFFF52931FFF2F8BDEFABBAF3" blockId="13.[109,1502,1817,1949]" pageId="13" pageNumber="12">
|
||
<emphasis id="78E4EAD9FFF52931FFF2F8BDEEC8BA5E" bold="true" box="[109,204,1817,1841]" pageId="13" pageNumber="12">Figure 6</emphasis>
|
||
.
|
||
<taxonomicName id="8D904D48FFF52931FF48F8BFEC40BA5D" authority="(Dickerson, 1917)" baseAuthorityName="Dickerson" baseAuthorityYear="1917" box="[215,580,1817,1843]" class="Bivalvia" family="Parallelodontidae" genus="Porterius" kingdom="Animalia" order="Arcida" pageId="13" pageNumber="12" phylum="Mollusca" rank="species" species="gabbi">
|
||
<emphasis id="78E4EAD9FFF52931FF48F8BFEF7EBA5C" box="[215,378,1819,1843]" italics="true" pageId="13" pageNumber="12">Porterius gabbi</emphasis>
|
||
(
|
||
<bibRefCitation id="2E014B3AFFF52931FE16F8BDEC3DBA5D" author="Dickerson, R. E." box="[393,569,1817,1842]" pageId="13" pageNumber="12" pagination="157 - 192" refId="ref29390" refString="Dickerson, R. E. 1917. Climate and its influence upon the Ologicene faunas of the Pacific Coast with descritpions of some new spe- cies from the Molopophorus lincolnensis Zone. Proceedings of the California Academy of Sciences 7 (6): 157 - 192, pls. 27 - 31." type="journal article" year="1917">Dickerson, 1917</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
, Gries Ranch Formation.
|
||
<emphasis id="78E4EAD9FFF52931FCCEF8BDED66BA5E" bold="true" box="[849,866,1817,1841]" pageId="13" pageNumber="12">A</emphasis>
|
||
. left valve interior of
|
||
<bibRefCitation id="2E014B3AFFF52931FBD9F8BDEAE9BA5D" author="Effinger, W. L." box="[1094,1261,1817,1842]" pageId="13" pageNumber="12" pagination="355 - 390" refId="ref29720" refString="Effinger, W. L. 1938. The Gries Ranch fauna (Oligocene) of Western Washington. Journal of Paleontology 12 (4): 355 - 390." type="journal article" year="1938">Effinger (1938)</bibRefCitation>
|
||
hypotype UCMP 32429, scale bar=5 mm.
|
||
<emphasis id="78E4EAD9FFF52931FEEAF890EFA4BA23" bold="true" box="[373,416,1844,1868]" pageId="13" pageNumber="12">B, C</emphasis>
|
||
. Interior and exterior of adult right valve, hypotype UCMP 110738, scale bar=1 cm.
|
||
<emphasis id="78E4EAD9FFF52931FABEF890EB48BA23" bold="true" box="[1313,1356,1844,1868]" pageId="13" pageNumber="12">D, E</emphasis>
|
||
. Interior and exterior of juvenile left valve, hypotype UCMP 110739, scale bar=5 mm.
|
||
<emphasis id="78E4EAD9FFF52931FCEDF8EBED84BA08" bold="true" box="[882,896,1871,1895]" pageId="13" pageNumber="12">F</emphasis>
|
||
. Detail of rib increase by splitting from
|
||
<emphasis id="78E4EAD9FFF52931FAB6F8EBEB3CBA08" bold="true" box="[1321,1336,1871,1895]" pageId="13" pageNumber="12">C</emphasis>
|
||
.
|
||
<emphasis id="78E4EAD9FFF52931FADDF8EBEB56BA08" bold="true" box="[1346,1362,1871,1895]" pageId="13" pageNumber="12">G</emphasis>
|
||
. Detail of cardinal area and hinge plate from
|
||
<emphasis id="78E4EAD9FFF52931FE7AF8CEEFF1BAED" bold="true" box="[485,501,1898,1922]" pageId="13" pageNumber="12">B</emphasis>
|
||
:
|
||
<emphasis id="78E4EAD9FFF52931FD9DF8CEEC1DBAED" bold="true" box="[514,537,1898,1922]" pageId="13" pageNumber="12">hl</emphasis>
|
||
=hinge line,
|
||
<emphasis id="78E4EAD9FFF52931FD03F8CEECB5BAED" bold="true" box="[668,689,1898,1922]" pageId="13" pageNumber="12">lg</emphasis>
|
||
=ligament grooves on cardinal area,
|
||
<emphasis id="78E4EAD9FFF52931FBA9F8CEEA49BAED" bold="true" box="[1078,1101,1898,1922]" pageId="13" pageNumber="12">at</emphasis>
|
||
=anterior hinge teeth,
|
||
<emphasis id="78E4EAD9FFF52931FAA2F8CEEB5CBAED" bold="true" box="[1341,1368,1898,1922]" pageId="13" pageNumber="12">eg</emphasis>
|
||
=edentulous gap,
|
||
<emphasis id="78E4EAD9FFF52931FF00F820EEB3BAF3" bold="true" box="[159,183,1924,1948]" pageId="13" pageNumber="12">pt</emphasis>
|
||
=posterior hinge teeth.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="028A6540FFF62932FF0FFE37EF30BBF4" pageId="14" pageNumber="13" type="discussion">
|
||
<paragraph id="4A2F36CBFFF62932FF0FFE37EC2EB96B" blockId="14.[112,801,195,1929]" pageId="14" pageNumber="13">
|
||
<emphasis id="78E4EAD9FFF62932FF0FFE37EF1EBCC2" bold="true" box="[144,282,403,429]" pageId="14" pageNumber="13">Discussion</emphasis>
|
||
—The elongate posterior hinge teeth parallel to the hinge plate (
|
||
<figureCitation id="D2AB2A4EFFF62932FEC1FE12EC26BCBF" box="[350,546,438,465]" captionStart="Figure 5" captionStartId="12.[112,187,1852,1876]" captionTargetBox="[146,1479,464,1832]" captionTargetId="figure-127@12.[146,1479,464,1832]" captionTargetPageId="12" captionText="Figure 5. Porterius gabbi (Dickerson, 1917), Keasey Formation. A, B. Exterior and Interior of right valve, hypotype USNM 561838, scale bar=1 cm. C. Detail of cardinal area and hinge plate of B, scale bar=1 mm. D. Interior of left valve interior in matrix, hypotype UCMP 110736, scale bar=1 cm. E–H. Interior and exterior of left valve, hypotype UCMP 110737, with detail views of hinge tooth striations (G) and interior shell lines (H), scale bar=1 cm." figureDoi="http://doi.org/10.5281/zenodo.10913487" httpUri="https://zenodo.org/record/10913487/files/figure.png" pageId="14" pageNumber="13">Figs. 5B–D, F, G</figureCitation>
|
||
;
|
||
<figureCitation id="D2AB2A4EFFF62932FDB0FE12EC90BCBF" box="[559,660,438,465]" captionStart="Figure 6" captionStartId="13.[109,184,1817,1841]" captionTargetBox="[157,1476,563,1796]" captionTargetId="figure-165@13.[157,1476,563,1799]" captionTargetPageId="13" captionText="Figure 6. Porterius gabbi (Dickerson, 1917), Gries Ranch Formation. A. left valve interior of Effinger (1938) hypotype UCMP 32429, scale bar=5 mm. B, C. Interior and exterior of adult right valve, hypotype UCMP 110738, scale bar=1 cm. D, E. Interior and exterior of juvenile left valve, hypotype UCMP 110739, scale bar=5 mm. F. Detail of rib increase by splitting from C. G. Detail of cardinal area and hinge plate from B: hl=hinge line, lg=ligament grooves on cardinal area, at=anterior hinge teeth, eg=edentulous gap, pt=posterior hinge teeth." figureDoi="http://doi.org/10.5281/zenodo.10913489" httpUri="https://zenodo.org/record/10913489/files/figure.png" pageId="14" pageNumber="13">6B, D, G</figureCitation>
|
||
) separated by a broad edentulous central gap (
|
||
<figureCitation id="D2AB2A4EFFF62932FDA6FE7DECC7BC9B" box="[569,707,473,500]" captionStart="Figure 5" captionStartId="12.[112,187,1852,1876]" captionTargetBox="[146,1479,464,1832]" captionTargetId="figure-127@12.[146,1479,464,1832]" captionTargetPageId="12" captionText="Figure 5. Porterius gabbi (Dickerson, 1917), Keasey Formation. A, B. Exterior and Interior of right valve, hypotype USNM 561838, scale bar=1 cm. C. Detail of cardinal area and hinge plate of B, scale bar=1 mm. D. Interior of left valve interior in matrix, hypotype UCMP 110736, scale bar=1 cm. E–H. Interior and exterior of left valve, hypotype UCMP 110737, with detail views of hinge tooth striations (G) and interior shell lines (H), scale bar=1 cm." figureDoi="http://doi.org/10.5281/zenodo.10913487" httpUri="https://zenodo.org/record/10913487/files/figure.png" pageId="14" pageNumber="13">Figs. 5B, C</figureCitation>
|
||
;
|
||
<figureCitation id="D2AB2A4EFFF62932FD4EFE7DED1CBC9B" box="[721,792,473,500]" captionStart="Figure 6" captionStartId="13.[109,184,1817,1841]" captionTargetBox="[157,1476,563,1796]" captionTargetId="figure-165@13.[157,1476,563,1799]" captionTargetPageId="13" captionText="Figure 6. Porterius gabbi (Dickerson, 1917), Gries Ranch Formation. A. left valve interior of Effinger (1938) hypotype UCMP 32429, scale bar=5 mm. B, C. Interior and exterior of adult right valve, hypotype UCMP 110738, scale bar=1 cm. D, E. Interior and exterior of juvenile left valve, hypotype UCMP 110739, scale bar=5 mm. F. Detail of rib increase by splitting from C. G. Detail of cardinal area and hinge plate from B: hl=hinge line, lg=ligament grooves on cardinal area, at=anterior hinge teeth, eg=edentulous gap, pt=posterior hinge teeth." figureDoi="http://doi.org/10.5281/zenodo.10913489" httpUri="https://zenodo.org/record/10913489/files/figure.png" pageId="14" pageNumber="13">6B, G</figureCitation>
|
||
) from the complex of small anterior teeth with anterior segments subparallel to the hinge (
|
||
<figureCitation id="D2AB2A4EFFF62932FDACFD84ECB8BF55" box="[563,700,544,571]" captionStart="Figure 5" captionStartId="12.[112,187,1852,1876]" captionTargetBox="[146,1479,464,1832]" captionTargetId="figure-127@12.[146,1479,464,1832]" captionTargetPageId="12" captionText="Figure 5. Porterius gabbi (Dickerson, 1917), Keasey Formation. A, B. Exterior and Interior of right valve, hypotype USNM 561838, scale bar=1 cm. C. Detail of cardinal area and hinge plate of B, scale bar=1 mm. D. Interior of left valve interior in matrix, hypotype UCMP 110736, scale bar=1 cm. E–H. Interior and exterior of left valve, hypotype UCMP 110737, with detail views of hinge tooth striations (G) and interior shell lines (H), scale bar=1 cm." figureDoi="http://doi.org/10.5281/zenodo.10913487" httpUri="https://zenodo.org/record/10913487/files/figure.png" pageId="14" pageNumber="13">Figs. 5B, C</figureCitation>
|
||
) distinguish
|
||
<taxonomicName id="8D904D48FFF62932FF5EFDE6EF32BF31" authorityName="CLARK" authorityYear="1925" box="[193,310,578,606]" class="Bivalvia" family="Parallelodontidae" genus="Porterius" kingdom="Animalia" order="Arcida" pageId="14" pageNumber="13" phylum="Mollusca" rank="genus">
|
||
<emphasis id="78E4EAD9FFF62932FF5EFDE6EF32BF31" box="[193,310,578,606]" italics="true" pageId="14" pageNumber="13">Porterius</emphasis>
|
||
</taxonomicName>
|
||
. Asymmetric growth of the ligament increasingly displaces the anterior and posterior cardinal margins and is less evident in juvenile shells (
|
||
<figureCitation id="D2AB2A4EFFF62932FD2BFD2DED17BFCB" box="[692,787,649,676]" captionStart="Figure 6" captionStartId="13.[109,184,1817,1841]" captionTargetBox="[157,1476,563,1796]" captionTargetId="figure-165@13.[157,1476,563,1799]" captionTargetPageId="13" captionText="Figure 6. Porterius gabbi (Dickerson, 1917), Gries Ranch Formation. A. left valve interior of Effinger (1938) hypotype UCMP 32429, scale bar=5 mm. B, C. Interior and exterior of adult right valve, hypotype UCMP 110738, scale bar=1 cm. D, E. Interior and exterior of juvenile left valve, hypotype UCMP 110739, scale bar=5 mm. F. Detail of rib increase by splitting from C. G. Detail of cardinal area and hinge plate from B: hl=hinge line, lg=ligament grooves on cardinal area, at=anterior hinge teeth, eg=edentulous gap, pt=posterior hinge teeth." figureDoi="http://doi.org/10.5281/zenodo.10913489" httpUri="https://zenodo.org/record/10913489/files/figure.png" pageId="14" pageNumber="13">Fig. 6D</figureCitation>
|
||
). The edentulous gap becomes increasingly large during ontogeny. The faint flexure in the ventral margin of the valves (
|
||
<figureCitation id="D2AB2A4EFFF62932FF53FD57EF56BE61" box="[204,338,755,782]" captionStart="Figure 5" captionStartId="12.[112,187,1852,1876]" captionTargetBox="[146,1479,464,1832]" captionTargetId="figure-127@12.[146,1479,464,1832]" captionTargetPageId="12" captionText="Figure 5. Porterius gabbi (Dickerson, 1917), Keasey Formation. A, B. Exterior and Interior of right valve, hypotype USNM 561838, scale bar=1 cm. C. Detail of cardinal area and hinge plate of B, scale bar=1 mm. D. Interior of left valve interior in matrix, hypotype UCMP 110736, scale bar=1 cm. E–H. Interior and exterior of left valve, hypotype UCMP 110737, with detail views of hinge tooth striations (G) and interior shell lines (H), scale bar=1 cm." figureDoi="http://doi.org/10.5281/zenodo.10913487" httpUri="https://zenodo.org/record/10913487/files/figure.png" pageId="14" pageNumber="13">Figs. 5A, B</figureCitation>
|
||
;
|
||
<figureCitation id="D2AB2A4EFFF62932FEC2FD57EF85BE61" box="[349,385,755,782]" captionStart="Figure 6" captionStartId="13.[109,184,1817,1841]" captionTargetBox="[157,1476,563,1796]" captionTargetId="figure-165@13.[157,1476,563,1799]" captionTargetPageId="13" captionText="Figure 6. Porterius gabbi (Dickerson, 1917), Gries Ranch Formation. A. left valve interior of Effinger (1938) hypotype UCMP 32429, scale bar=5 mm. B, C. Interior and exterior of adult right valve, hypotype UCMP 110738, scale bar=1 cm. D, E. Interior and exterior of juvenile left valve, hypotype UCMP 110739, scale bar=5 mm. F. Detail of rib increase by splitting from C. G. Detail of cardinal area and hinge plate from B: hl=hinge line, lg=ligament grooves on cardinal area, at=anterior hinge teeth, eg=edentulous gap, pt=posterior hinge teeth." figureDoi="http://doi.org/10.5281/zenodo.10913489" httpUri="https://zenodo.org/record/10913489/files/figure.png" pageId="14" pageNumber="13">6C</figureCitation>
|
||
) suggests that a weak complex of fine byssal threads provided semi-infaunal attachment, in contrast to the byssal gape characteristic of epifaunally attached arcoids. The ovate-elongate shell shape, lack of a posterior umbonal carina, fine exterior radial sculpture, and fine micro-striation of the hinge teeth provide a superficial similarity to Paris Basin Eocene species of
|
||
<taxonomicName id="8D904D48FFF62932FFEFFC4CEED9B96B" authorityName="J. E. Gray" authorityYear="1842" box="[112,221,1000,1028]" class="Bivalvia" family="Arcidae" genus="Barbatia" kingdom="Animalia" order="Arcida" pageId="14" pageNumber="13" phylum="Mollusca" rank="genus">
|
||
<emphasis id="78E4EAD9FFF62932FFEFFC4CEED9B96B" box="[112,221,1000,1028]" italics="true" pageId="14" pageNumber="13">Barbatia</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="2E014B3AFFF62932FF70FC4DEFA2B96B" author="Hickman, C. S." box="[239,422,1001,1028]" pageId="14" pageNumber="13" pagination="25" refId="ref31301" refString="Hickman, C. S. 2021. Arcoid bivalve biodiversity during Eocene doubthouse cooling: Contrasting the active Cascadia Margin coldspot with the intracratonic Paris Basin hotspot. PaleoBios 38: 25." type="journal article" year="2021">Hickman 2021</bibRefCitation>
|
||
,
|
||
<figureCitation id="D2AB2A4EFFF62932FE2DFC4DEC07B96B" box="[434,515,1001,1028]" captionStart="Figure 5" captionStartId="12.[112,187,1852,1876]" captionTargetBox="[146,1479,464,1832]" captionTargetId="figure-127@12.[146,1479,464,1832]" captionTargetPageId="12" captionText="Figure 5. Porterius gabbi (Dickerson, 1917), Keasey Formation. A, B. Exterior and Interior of right valve, hypotype USNM 561838, scale bar=1 cm. C. Detail of cardinal area and hinge plate of B, scale bar=1 mm. D. Interior of left valve interior in matrix, hypotype UCMP 110736, scale bar=1 cm. E–H. Interior and exterior of left valve, hypotype UCMP 110737, with detail views of hinge tooth striations (G) and interior shell lines (H), scale bar=1 cm." figureDoi="http://doi.org/10.5281/zenodo.10913487" httpUri="https://zenodo.org/record/10913487/files/figure.png" pageId="14" pageNumber="13">Figs. 5</figureCitation>
|
||
,
|
||
<figureCitation id="D2AB2A4EFFF62932FD91FC4DEC1BB96B" box="[526,543,1001,1028]" captionStart="Figure 6" captionStartId="13.[109,184,1817,1841]" captionTargetBox="[157,1476,563,1796]" captionTargetId="figure-165@13.[157,1476,563,1799]" captionTargetPageId="13" captionText="Figure 6. Porterius gabbi (Dickerson, 1917), Gries Ranch Formation. A. left valve interior of Effinger (1938) hypotype UCMP 32429, scale bar=5 mm. B, C. Interior and exterior of adult right valve, hypotype UCMP 110738, scale bar=1 cm. D, E. Interior and exterior of juvenile left valve, hypotype UCMP 110739, scale bar=5 mm. F. Detail of rib increase by splitting from C. G. Detail of cardinal area and hinge plate from B: hl=hinge line, lg=ligament grooves on cardinal area, at=anterior hinge teeth, eg=edentulous gap, pt=posterior hinge teeth." figureDoi="http://doi.org/10.5281/zenodo.10913489" httpUri="https://zenodo.org/record/10913489/files/figure.png" pageId="14" pageNumber="13">6</figureCitation>
|
||
)
|
||
</paragraph>
|
||
<paragraph id="4A2F36CBFFF62932FF0FFBAFECB3B9BA" blockId="14.[112,801,195,1929]" pageId="14" pageNumber="13">
|
||
<taxonomicName id="8D904D48FFF62932FF0FFBAFEF56B946" baseAuthorityName="Dickerson" baseAuthorityYear="1917" box="[144,338,1035,1065]" class="Bivalvia" family="Parallelodontidae" genus="Porterius" kingdom="Animalia" order="Arcida" pageId="14" pageNumber="13" phylum="Mollusca" rank="species" species="gabbi">
|
||
<emphasis id="78E4EAD9FFF62932FF0FFBAFEF56B946" box="[144,338,1035,1065]" italics="true" pageId="14" pageNumber="13">Porterius gabbi</emphasis>
|
||
</taxonomicName>
|
||
is part of the
|
||
<taxonomicName id="8D904D48FFF62932FD8FFBAFECFAB949" authority="Community" authorityName="Community" box="[528,766,1035,1063]" class="Bivalvia" family="Limidae" genus="Acesta" kingdom="Animalia" order="Limida" pageId="14" pageNumber="13" phylum="Mollusca" rank="genus">
|
||
<emphasis id="78E4EAD9FFF62932FD8FFBAFEC64B948" box="[528,608,1035,1063]" italics="true" pageId="14" pageNumber="13">Acesta</emphasis>
|
||
Community
|
||
</taxonomicName>
|
||
of
|
||
<bibRefCitation id="2E014B3AFFF62932FFEFFB8BEF38B925" author="Hickman, C. S." box="[112,316,1071,1098]" pageId="14" pageNumber="13" pagination="1215 - 1234" refId="ref31128" refString="Hickman, C. S. 1984. Composition, structure, ecology, and evolution of six Cenozoic deep-water mollusk communities. Journal of Paleontology 58: 1215 - 1234." type="journal article" year="1984">Hickman (1984)</bibRefCitation>
|
||
, where it occurs in patchy epifaunal assemblages in association with giant limids, a terebratulid brachiopod, a vermetid gastropod, basal root tufts of hexactiellid sponges, and occasionally with hexactinellid spicules and fragments of spicular meshworks.
|
||
</paragraph>
|
||
<paragraph id="4A2F36CBFFF62932FF0FFB7AEF30BBF4" blockId="14.[112,801,195,1929]" pageId="14" pageNumber="13">
|
||
Reliance on poor literature illustrations of fossil material, coupled with failure to examine actual specimens of this species as the
|
||
<typeStatus id="952B8869FFF62932FECAFA80EF88B851" box="[341,396,1316,1342]" pageId="14" pageNumber="13">type</typeStatus>
|
||
of
|
||
<taxonomicName id="8D904D48FFF62932FE2FFA87EC25B850" authorityName="CLARK" authorityYear="1925" box="[432,545,1315,1343]" class="Bivalvia" family="Parallelodontidae" genus="Porterius" kingdom="Animalia" order="Arcida" pageId="14" pageNumber="13" phylum="Mollusca" rank="genus">
|
||
<emphasis id="78E4EAD9FFF62932FE2FFA87EC25B850" box="[432,545,1315,1343]" italics="true" pageId="14" pageNumber="13">Porterius</emphasis>
|
||
</taxonomicName>
|
||
, has led to questionable allocation of species that extend its geographic range to Europe and the Western Pacific and its temporal range from Eocene to Holocene. Unfortunately, systematic treatment of parallelodontids in the Treatise on Invertebrate Paleontology (Newell 1969) illustrates the hinge of
|
||
<taxonomicName id="8D904D48FFF62932FF0DFA50EF07BB7F" authorityName="CLARK" authorityYear="1925" box="[146,259,1524,1552]" class="Bivalvia" family="Parallelodontidae" genus="Porterius" kingdom="Animalia" order="Arcida" pageId="14" pageNumber="13" phylum="Mollusca" rank="genus">
|
||
<emphasis id="78E4EAD9FFF62932FF0DFA50EF07BB7F" box="[146,259,1524,1552]" italics="true" pageId="14" pageNumber="13">Porterius</emphasis>
|
||
</taxonomicName>
|
||
with a drawing of an Eocene arcoid from the Paris Basin. The clarification presented here and by
|
||
<bibRefCitation id="2E014B3AFFF62932FFEFF99FEF44BB39" author="Hickman, C. S." box="[112,320,1595,1622]" pageId="14" pageNumber="13" pagination="25" refId="ref31301" refString="Hickman, C. S. 2021. Arcoid bivalve biodiversity during Eocene doubthouse cooling: Contrasting the active Cascadia Margin coldspot with the intracratonic Paris Basin hotspot. PaleoBios 38: 25." type="journal article" year="2021">Hickman (2021)</bibRefCitation>
|
||
is therefore followed by treatment of an older Paleocene–middle Eocene species of
|
||
<taxonomicName id="8D904D48FFF62932FD30F9F9ED24BB16" authorityName="CLARK" authorityYear="1925" box="[687,800,1629,1657]" class="Bivalvia" family="Parallelodontidae" genus="Porterius" kingdom="Animalia" order="Arcida" pageId="14" pageNumber="13" phylum="Mollusca" rank="genus">
|
||
<emphasis id="78E4EAD9FFF62932FD30F9F9ED24BB16" box="[687,800,1629,1657]" italics="true" pageId="14" pageNumber="13">Porterius</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<collectingRegion id="8854F829FFF62932FF2CF925EF34BBF4" box="[179,304,1665,1691]" country="United States of America" name="California" pageId="14" pageNumber="13">California</collectingRegion>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="028A6540FFF62932FF0FF900EB86BEB1" pageId="14" pageNumber="13" type="materials_examined">
|
||
<paragraph id="4A2F36CBFFF62932FF0FF900EC5FBBD1" blockId="14.[112,801,195,1929]" box="[144,603,1700,1727]" pageId="14" pageNumber="13">
|
||
<emphasis id="78E4EAD9FFF62932FF0FF900EF88BBD1" bold="true" box="[144,396,1700,1726]" pageId="14" pageNumber="13">Material examined</emphasis>
|
||
—
|
||
<specimenCount id="5C96FD42FFF62932FE31F901EC52BBD1" box="[430,598,1700,1727]" count="18" pageId="14" pageNumber="13" type="generic">18 specimens</specimenCount>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="4A2F36CBFFF62932FF0FF962ED24BA07" blockId="14.[112,801,195,1929]" pageId="14" pageNumber="13">
|
||
<emphasis id="78E4EAD9FFF62932FF0FF962EFF3BB8F" bold="true" box="[144,503,1734,1760]" pageId="14" pageNumber="13">Figured Keasey hypotypes</emphasis>
|
||
—
|
||
<collectionCode id="2C81AE0EFFF62932FD8CF962EC66BB8F" box="[531,610,1734,1760]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="14" pageNumber="13" type="Museum">USNM</collectionCode>
|
||
561838 (right valve),length 22.6 mm, height 10.5 mm, Loc.
|
||
<collectionCode id="2C81AE0EFFF62932FD1BF94CECC1BA6D" box="[644,709,1768,1794]" country="USA" httpUri="http://grbio.org/cool/3n47-ewde" name="U.S. Geological Survey" pageId="14" pageNumber="13">USGS</collectionCode>
|
||
15518;
|
||
<collectionCode id="2C81AE0EFFF62932FFEFF8AEEEB8BA4B" box="[112,188,1802,1828]" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="14" pageNumber="13" type="University or college">UCMP</collectionCode>
|
||
110736 (left valve in matrix), length 13.0 mm, height 9.0 mm, Loc.
|
||
<collectionCode id="2C81AE0EFFF62932FEF0F888EFBFBA29" box="[367,443,1836,1862]" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="14" pageNumber="13" type="University or college">UCMP</collectionCode>
|
||
IP2549;
|
||
<collectionCode id="2C81AE0EFFF62932FDB1F888EC7EBA29" box="[558,634,1836,1862]" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="14" pageNumber="13" type="University or college">UCMP</collectionCode>
|
||
110737 (left valve), length 17.3 mm,height 10.6 mm, Loc.
|
||
<collectionCode id="2C81AE0EFFF62932FD15F8E9ECD1BA08" box="[650,725,1869,1895]" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="14" pageNumber="13" type="University or college">UCMP</collectionCode>
|
||
2540.
|
||
</paragraph>
|
||
<paragraph id="4A2F36CBFFF62932FF0FF8CBEDA5BC0A" blockId="14.[112,801,195,1929]" lastBlockId="14.[832,1520,195,990]" pageId="14" pageNumber="13">
|
||
<emphasis id="78E4EAD9FFF62932FF0FF8CBEC2DBAE6" bold="true" box="[144,553,1903,1929]" pageId="14" pageNumber="13">Figured Gries Ranch hypotypes</emphasis>
|
||
—
|
||
<collectionCode id="2C81AE0EFFF62932FDDAF8CBEC96BAE6" box="[581,658,1903,1929]" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="14" pageNumber="13" type="University or college">UCMP</collectionCode>
|
||
32429 (left valve), length11.1 mm, height 7.2 mm, Loc.
|
||
<collectionCode id="2C81AE0EFFF62932FACAFF67EBA5BDB2" box="[1365,1441,195,221]" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="14" pageNumber="13" type="University or college">UCMP</collectionCode>
|
||
3607;
|
||
<collectionCode id="2C81AE0EFFF62932FCDFFF40ED8FBD91" box="[832,907,228,254]" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="14" pageNumber="13" type="University or college">UCMP</collectionCode>
|
||
110738 (right valve, adult), length 22.9 mm,height 11.0 mm), Loc.
|
||
<collectionCode id="2C81AE0EFFF62932FC63FEA2EA4CBC4F" box="[1020,1096,262,288]" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="14" pageNumber="13" type="University or college">UCMP</collectionCode>
|
||
IP2289;
|
||
<collectionCode id="2C81AE0EFFF62932FB28FEA2EB07BC4F" box="[1207,1283,262,288]" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="14" pageNumber="13" type="University or college">UCMP</collectionCode>
|
||
110739 (left valve, juvenile), length 10.0 mm, height 6.5 mm, Loc.
|
||
<collectionCode id="2C81AE0EFFF62932FA3BFE8CEBF4BC2D" box="[1444,1520,296,322]" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="14" pageNumber="13" type="University or college">UCMP</collectionCode>
|
||
IP2289.
|
||
</paragraph>
|
||
<paragraph id="4A2F36CBFFF62932FCFFFEC9EA13BF57" blockId="14.[832,1520,195,990]" pageId="14" pageNumber="13">
|
||
<emphasis id="78E4EAD9FFF62932FCFFFEC9EDE9BCE8" bold="true" box="[864,1005,365,391]" pageId="14" pageNumber="13">Localities</emphasis>
|
||
—Keasey Formation: Upper Member:
|
||
<materialsCitation id="FAF83C96FFF62932FCDFFE34EA33BCC4" ID-GBIF-Occurrence="4873742311" box="[832,1079,400,427]" collectionCode="UCMP" pageId="14" pageNumber="13" specimenCode="IP2540, 2549" specimenCount="1">
|
||
<collectionCode id="2C81AE0EFFF62932FCDFFE34ED8FBCC5" box="[832,907,400,426]" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="14" pageNumber="13" type="University or college">UCMP</collectionCode>
|
||
<specimenCode id="1A369EB0FFF62932FC0FFE34EDE8BCC4" box="[912,1004,400,427]" collectionCode="UCMP" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="14" pageNumber="13" type="University or college">IP2540</specimenCode>
|
||
,
|
||
<specimenCode id="1A369EB0FFF62932FC6BFE34EA33BCC4" box="[1012,1079,400,427]" collectionCode="UCMP" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="14" pageNumber="13" type="University or college">2549</specimenCode>
|
||
</materialsCitation>
|
||
;
|
||
<materialsCitation id="FAF83C96FFF62932FBDEFE34EACABCA2" ID-GBIF-Occurrence="4873742319" collectionCode="UGSG" location="Gries Ranch Formation" pageId="14" pageNumber="13" specimenCode="UGSG 15269, 15315, 15518, 15581, 15601" specimenCount="1">
|
||
<specimenCode id="1A369EB0FFF62932FBDEFE34EADFBCC4" box="[1089,1243,400,427]" collectionCode="UGSG" pageId="14" pageNumber="13">UGSG 15269</specimenCode>
|
||
,
|
||
<specimenCode id="1A369EB0FFF62932FB7AFE34EB32BCC4" box="[1253,1334,400,427]" collectionCode="UGSG" pageId="14" pageNumber="13">15315</specimenCode>
|
||
,
|
||
<specimenCode id="1A369EB0FFF62932FAA0FE34EB94BCC4" box="[1343,1424,400,427]" collectionCode="UGSG" pageId="14" pageNumber="13">15518</specimenCode>
|
||
,
|
||
<specimenCode id="1A369EB0FFF62932FA05FE34EBEFBCC4" box="[1434,1515,400,427]" collectionCode="UGSG" pageId="14" pageNumber="13">15581</specimenCode>
|
||
,
|
||
<specimenCode id="1A369EB0FFF62932FCDFFE17ED90BCA1" box="[832,916,435,462]" collectionCode="UGSG" pageId="14" pageNumber="13">15601</specimenCode>
|
||
.
|
||
<location id="4F4F6010FFF62932FC3DFE17EACABCA2" LSID="urn:lsid:plazi:treatment:C23987DDFFF32932FC25F966EB86BEB1:4F4F6010FFF62932FC3DFE17EACABCA2" box="[930,1230,435,461]" name="Gries Ranch Formation" pageId="14" pageNumber="13">Gries Ranch Formation</location>
|
||
</materialsCitation>
|
||
:
|
||
<materialsCitation id="FAF83C96FFF62932FB43FE10EDC6BC9D" ID-GBIF-Occurrence="4873742338" collectionCode="CAS" location="Dickerson's" pageId="14" pageNumber="13" specimenCode="CAS 181" specimenCount="1" typeStatus="holotype">
|
||
<specimenCode id="1A369EB0FFF62932FB43FE10EB4CBCA1" box="[1244,1352,436,462]" collectionCode="CAS" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15690" lsid="urn:lsid:biocol.org:col:34700" name="California Academy of Sciences" pageId="14" pageNumber="13" type="Museum">CAS 181</specimenCode>
|
||
(
|
||
<location id="4F4F6010FFF62932FAC4FE17EBF4BCA2" LSID="urn:lsid:plazi:treatment:C23987DDFFF32932FC25F966EB86BEB1:4F4F6010FFF62932FAC4FE17EBF4BCA2" box="[1371,1520,435,461]" name="Dickerson's" pageId="14" pageNumber="13">Dickerson’s</location>
|
||
<typeStatus id="952B8869FFF62932FCDFFE73EDBDBC9D" box="[832,953,471,498]" pageId="14" pageNumber="13" type="holotype">holotype</typeStatus>
|
||
)
|
||
</materialsCitation>
|
||
;
|
||
<materialsCitation id="FAF83C96FFF62932FC4DFE73EB97BC9D" ID-GBIF-Occurrence="4873742307" box="[978,1427,471,498]" collectionCode="UCMP" location="Effinger's" pageId="14" pageNumber="13" specimenCode="UCMP 3607" specimenCount="1" typeStatus="holotype">
|
||
<specimenCode id="1A369EB0FFF62932FC4DFE73EA69BC9E" box="[978,1133,471,497]" collectionCode="UCMP" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="14" pageNumber="13" type="University or college">UCMP 3607</specimenCode>
|
||
(
|
||
<location id="4F4F6010FFF62932FB1FFE73EB04BC9E" LSID="urn:lsid:plazi:treatment:C23987DDFFF32932FC25F966EB86BEB1:4F4F6010FFF62932FB1FFE73EB04BC9E" box="[1152,1280,471,497]" name="Effinger's" pageId="14" pageNumber="13">Effinger’s</location>
|
||
hypotype)
|
||
</materialsCitation>
|
||
,
|
||
<materialsCitation id="FAF83C96FFF62932FA3DFE73EADBBF7B" ID-GBIF-Occurrence="4873742339" collectionCode="UCMP" location="Lincoln Creek" pageId="14" pageNumber="13" specimenCode="IP2289" specimenCount="1" typeStatus="holotype">
|
||
<collectionCode id="2C81AE0EFFF62932FA3DFE73EBEBBC9E" box="[1442,1519,471,497]" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="14" pageNumber="13" type="University or college">UCMP</collectionCode>
|
||
<specimenCode id="1A369EB0FFF62932FCDFFE5EED9ABF7B" box="[832,926,506,532]" collectionCode="UCMP" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="14" pageNumber="13" type="University or college">IP2289</specimenCode>
|
||
.
|
||
<location id="4F4F6010FFF62932FC38FE5EEA56BF7B" LSID="urn:lsid:plazi:treatment:C23987DDFFF32932FC25F966EB86BEB1:4F4F6010FFF62932FC38FE5EEA56BF7B" box="[935,1106,506,532]" name="Lincoln Creek" pageId="14" pageNumber="13">Lincoln Creek</location>
|
||
Formation
|
||
</materialsCitation>
|
||
:
|
||
<materialsCitation id="FAF83C96FFF62932FB76FE5EEA16BF57" ID-GBIF-Occurrence="4873742345" collectionCode="UW" location="Porter Creek" pageId="14" pageNumber="13" specimenCode="UW 126" specimenCount="1" typeStatus="holotype">
|
||
<specimenCode id="1A369EB0FFF62932FB76FE5EEB4ABF7B" box="[1257,1358,506,532]" collectionCode="UW" country="USA" name="University of Washington Fish Collection" pageId="14" pageNumber="13" type="Museum">UW 126</specimenCode>
|
||
(old log dam on
|
||
<location id="4F4F6010FFF62932FCF9FDBAEA0EBF57" LSID="urn:lsid:plazi:treatment:C23987DDFFF32932FC25F966EB86BEB1:4F4F6010FFF62932FCF9FDBAEA0EBF57" box="[870,1034,541,568]" name="Porter Creek" pageId="14" pageNumber="13">Porter Creek</location>
|
||
)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="4A2F36CBFFF62932FCFFFDE4EB86BEB1" blockId="14.[832,1520,195,990]" pageId="14" pageNumber="13">
|
||
<emphasis id="78E4EAD9FFF62932FCFFFDE4EAC0BF35" bold="true" box="[864,1220,576,602]" pageId="14" pageNumber="13">Stratigraphic range and age</emphasis>
|
||
—This species is narrowly restricted to upper member of the Keasey Formation, Gries Ranch Formation, and coeval beds in the Lincoln Creek Formation. The age of these beds has been treated alternatively as late Eocene or early Oligocene. The peculiar community assemblages of this “turnover fauna” (
|
||
<bibRefCitation id="2E014B3AFFF62932FCD4FCB7EA04BE41" author="Hickman, C. S." box="[843,1024,787,814]" pageId="14" pageNumber="13" refId="ref31160" refString="Hickman, C. S. 2003. Evidence for abrupt Eocene - Oligocene molluscan faunal change in the Pacific Northwest. Chapter 5, Pp. 71 - 87 in D. R. Prothero, E. A. Nesbitt, and L. Ivany (eds.), From Greenhouse to Icehouse: The Marine Eocene - Oligocene Transition. Columbia University Press, New York. 541 pp." type="book" year="2003">Hickman 2003</bibRefCitation>
|
||
) postdate a dramatic regional extinction of the “tropical Eocene Fauna” and predate establishment of the Oligocene recovery fauna that subsequently led to the temperate “modern fauna.” The transitional turnover assemblages are correlated with the dramatic Oi-1 climate cooling and glaciation at 33.5 MA.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |