396 lines
50 KiB
XML
396 lines
50 KiB
XML
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<mods:title id="BBC6224622371E2C1BA20B44CD0670BC">Revision of northeast Pacific Paleogene cypraeoidean gastropods, including recognition of three new species: implications for paleobiogeographic distribution and faunal turnover</mods:title>
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<mods:date id="95F091612063F26CAA1101A1CB0BA792">2023</mods:date>
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<treatment id="921FD94CFFC7FFBDFC7FFB2EFA73FD2F" LSID="urn:lsid:plazi:treatment:921FD94CFFC7FFBDFC7FFB2EFA73FD2F" httpUri="http://treatment.plazi.org/id/921FD94CFFC7FFBDFC7FFB2EFA73FD2F" lastPageId="21" lastPageNumber="20" pageId="20" pageNumber="19">
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<subSubSection id="52AC3BD1FFC7FFBCFC7FFB2EFA99FB4A" box="[989,1363,1173,1199]" pageId="20" pageNumber="19" type="nomenclature">
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<paragraph id="1A09685AFFC7FFBCFC7FFB2EFA99FB4A" blockId="20.[832,1521,801,1234]" box="[989,1363,1173,1199]" pageId="20" pageNumber="19">
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<taxonomicName id="DDB613D9FFC7FFBCFC7FFB2EFA99FB4A" ID-CoL="C4TX9" authority="INGRAM, 1940" authorityName="Ingram" authorityYear="1940" box="[989,1363,1173,1199]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="20" pageNumber="19" phylum="Mollusca" rank="species" species="clarki">
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<emphasis id="28C2B448FFC7FFBCFC7FFB2EFB6AFB4A" box="[989,1184,1173,1199]" italics="true" pageId="20" pageNumber="19">GISORTIA CLARKI</emphasis>
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<bibRefCitation id="7E2715ABFFC7FFBCFB04FB2EFA99FB4A" author="Ingram, W. M." box="[1190,1363,1173,1199]" pageId="20" pageNumber="19" pagination="376 - 377" refId="ref39018" refString="Ingram, W. M. 1940. A new Gisortia. Journal of the Washington Academy of Sciences 39 (9): 376 - 377, fig. 1." type="journal article" year="1940">INGRAM, 1940</bibRefCitation>
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</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="52AC3BD1FFC7FFBCFBFBFB03FB1DFB37" box="[1113,1239,1208,1234]" pageId="20" pageNumber="19" type="description">
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<paragraph id="1A09685AFFC7FFBCFBFBFB03FB1DFB37" blockId="20.[832,1521,801,1234]" box="[1113,1239,1208,1234]" pageId="20" pageNumber="19">
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<figureCitation id="828D74DFFFC7FFBCFBFBFB03FB1DFB37" box="[1113,1239,1208,1234]" captionStart="Figure 6" captionStartId="20.[112,199,195,221]" captionTargetId="figure-12@19.[141,1485,197,1966]" captionTargetPageId="19" captionText="Figure 6 (previous page) A–C. Protocypraea? sp. 1, Oyster Bay Formation, Paleocene, Appian Way, Central Is- land District, Vancouver Island, British Columbia, Canada. Dorsal (A) and (B) left (columellar) views, 1.8x, length 45.5 mm, width 29 mm, height 22 mm, of CDM 997.91.3, informal locality AP3. (C) Oblique view posterior in- complete end of shell showing sunken area encircling base of spire, width of field of vision 28.7 mm. D–G. Protocypraea? sp. 2, Lodo Formation (Paleocene, Thanetian Stage), Tumey Hills, Fresno County, central California, LACMIP Locality 26456 [ex UCLA Locality 6456]. Basal (D) view, 1.6x, length 42.2 mm, width 28.6 mm, height 18.5 mm, of hypotype LACMIP 26456.6, LACMIP Type 14925, Basal (E), dorsal (F), right (labral) (G) views, 1.44x, length 50 mm, width 28 mm, height 27 mm, of hypotype UCMP 14208, UCMP Locality A9717. H–J. Gisortia clarki Ingram, 1940, Llajas Formation (Eocene, “Capay Stage”), north side Simi Valley, Ventura County, southern Cali- fornia. Basal (H), dorsal (I), and right (labral) side (J) views, 0.5x, length 121.4 mm, width 96.4 mm, height 65.9 mm, of holotype UCMP 14844, UCMP Locality 4052. K–M. Gisortia sp., Juncal Formation (Eocene, “Capay Stage”), Whitaker Peak, Ventura County, southern California. Basal (J), dorsal (K), and right (labral) side (M) views, 0.5x, length 122 mm, width 75 mm, height 51 mm, of hypotype LACMIP 16243.1, LACMIP Type 7466, LACMIP Locality 40848 [ex CSUN Locality 848]." figureDoi="http://doi.org/10.5281/zenodo.13869598" httpUri="https://zenodo.org/record/13869598/files/figure.png" pageId="20" pageNumber="19">FIGS. 6H–J</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="52AC3BD1FFC7FFBCFCC2FB44FB68F853" pageId="20" pageNumber="19" type="reference_group">
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<paragraph id="1A09685AFFC7FFBCFCC2FB44FA94FADE" blockId="20.[830,1521,1278,1976]" pageId="20" pageNumber="19">
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<taxonomicName id="DDB613D9FFC7FFBCFCC2FB44FC0BFAFE" authority="Groves & Squires, 2023" authorityName="Groves & Squires" authorityYear="2023" box="[864,961,1279,1307]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="20" pageNumber="19" phylum="Mollusca" rank="genus" status="n. sp.">
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<emphasis id="28C2B448FFC7FFBCFCC2FB44FC0BFAFE" box="[864,961,1279,1307]" italics="true" pageId="20" pageNumber="19">Gisortia</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="33F10933FFC7FFBCFC65FB44FBCCFAFC" box="[967,1030,1279,1305]" pageId="20" pageNumber="19" rank="species">n. sp.</taxonomicNameLabel>
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<bibRefCitation id="7E2715ABFFC7FFBCFBAEFB45FAD5FAFD" author="Clark, B. L. & H. E. Vokes" box="[1036,1311,1278,1304]" pageId="20" pageNumber="19" pagination="851 - 878" refId="ref35731" refString="Clark, B. L., and H. E. Vokes. 1936. Summary of marine Eocene sequence of western North America. Bulletin of the Geological Society of America 47 (6): 851 - 878, figs. 1 - 3, pls. 1 - 2." type="journal article" year="1936">Clark and Vokes, 1936</bibRefCitation>
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. pp. 861, 877, pl. 2, figs. 1, 3.
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<bibRefCitation id="7E2715ABFFC7FFBCFC6DFA99FB34FAD9" author="Keen, A. M. & H. Bentson" box="[975,1278,1313,1340]" pageId="20" pageNumber="19" pagination="1 - 4" refId="ref39217" refString="Keen, A. M. and H. Bentson. 1944. Check list of Califor- nia Tertiary marine Mollusca. Geological Society of America Special Papers 56: v + 1 - 280, figs. 1 - 4." type="journal article" year="1944">Keen and Bentson, 1944</bibRefCitation>
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. p. 164.
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</paragraph>
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<paragraph id="1A09685AFFC7FFBCFCC2FAFEFAD0FA2D" blockId="20.[830,1521,1278,1976]" pageId="20" pageNumber="19">
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<taxonomicName id="DDB613D9FFC7FFBCFCC2FAFEFB78FABA" authority="Ingram, 1940" authorityName="Ingram" authorityYear="1940" box="[864,1202,1347,1377]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="20" pageNumber="19" phylum="Mollusca" rank="species" species="clarki">
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<emphasis id="28C2B448FFC7FFBCFCC2FAFEFBC3FABA" box="[864,1033,1347,1377]" italics="true" pageId="20" pageNumber="19">Gisortia clarki</emphasis>
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<bibRefCitation id="7E2715ABFFC7FFBCFBAFFAFEFB78FABA" author="Ingram, W. M." box="[1037,1202,1349,1375]" pageId="20" pageNumber="19" pagination="376 - 377" refId="ref39018" refString="Ingram, W. M. 1940. A new Gisortia. Journal of the Washington Academy of Sciences 39 (9): 376 - 377, fig. 1." type="journal article" year="1940">Ingram, 1940</bibRefCitation>
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</taxonomicName>
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. p. 376, 377, fig. 1.
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<bibRefCitation id="7E2715ABFFC7FFBCFA32FAFEFC4AFA67" author="Ingram, W. M." pageId="20" pageNumber="19" pagination="95 - 122" refId="ref39050" refString="Ingram, W. M. 1942. Type fossil Cypraeidae of North Amer- ica. Bulletins of American Paleontology 27 (104): 95 - 122, pls. 8 - 11." type="journal article" year="1942">Ingram, 1942</bibRefCitation>
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. p. 109, pl. 11, fig. 1.
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<bibRefCitation id="7E2715ABFFC7FFBCFBCDFAD3FA5FFA67" author="Keen, A. M. & H. Bentson" box="[1135,1429,1384,1410]" pageId="20" pageNumber="19" pagination="1 - 4" refId="ref39217" refString="Keen, A. M. and H. Bentson. 1944. Check list of Califor- nia Tertiary marine Mollusca. Geological Society of America Special Papers 56: v + 1 - 280, figs. 1 - 4." type="journal article" year="1944">Keen and Bentson, 1944</bibRefCitation>
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. p. 164.
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<bibRefCitation id="7E2715ABFFC7FFBCFCE2FA37FC3FFA40" author="Ingram, W. M." box="[832,1013,1419,1446]" pageId="20" pageNumber="19" pagination="47 - 124" refId="ref39085" refString="Ingram, W. M. 1947 a. Fossil and recent Cypraeidae of the western regions of the Americas. Bulletin of American Paleontology 31 (120): 47 - 124, pls. 5 - 7." type="journal article" year="1947">Ingram, 1947a</bibRefCitation>
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. p. 105, pl. 7, fig. 1.
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<bibRefCitation id="7E2715ABFFC7FFBCFB7EFA37FA58FA40" author="Ingram, W. M." box="[1244,1426,1419,1446]" pageId="20" pageNumber="19" pagination="141 - 161" refId="ref39125" refString="Ingram, W. M. 1947 b. Check list of the Cypraeidae occur- ring in the Western Hemisphere. Bulletins of American Paleontology 31 (122): 141 - 161." type="journal article" year="1947">Ingram, 1947b</bibRefCitation>
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. p. 150.
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<bibRefCitation id="7E2715ABFFC7FFBCFCE2FA15FBB7FA2D" author="Groves, L. T. & R. L. Squires" box="[832,1149,1454,1480]" pageId="20" pageNumber="19" pagination="1 - 360" refId="ref38553" refString="Groves, L. T. and R. L. Squires. 2021. Checklist of California Paleogene-Neogene marine Mollusca since Keen and Bentson (1944). PaleoBios 38: 1 - 360, figs. 1 - 3." type="journal article" year="2021">Groves and Squires, 2021</bibRefCitation>
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. p. 241, 242.
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</paragraph>
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<paragraph id="1A09685AFFC7FFBCFCC2FA69FBFBF9EA" blockId="20.[830,1521,1278,1976]" pageId="20" pageNumber="19">
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<taxonomicName id="DDB613D9FFC7FFBCFCC2FA69FA05FA09" authority="Schilder, 1941" authorityName="Schilder" authorityYear="1941" box="[864,1487,1488,1518]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="20" pageNumber="19" phylum="Mollusca" rank="species" species="californica" subGenus="Megalocypraea">
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<emphasis id="28C2B448FFC7FFBCFCC2FA69FC0AFA0B" box="[864,960,1490,1518]" italics="true" pageId="20" pageNumber="19">Gisortia</emphasis>
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(
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<emphasis id="28C2B448FFC7FFBCFC72FA69FB41FA0B" box="[976,1163,1490,1518]" italics="true" pageId="20" pageNumber="19">Megalocypraea</emphasis>
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)
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<emphasis id="28C2B448FFC7FFBCFB38FA6BFAD6FA09" box="[1178,1308,1488,1516]" italics="true" pageId="20" pageNumber="19">californica</emphasis>
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||
<bibRefCitation id="7E2715ABFFC7FFBCFA83FA6AFA05FA09" author="Schilder, F. A." box="[1313,1487,1489,1516]" pageId="20" pageNumber="19" pagination="57 - 120" refId="ref42034" refString="Schilder, F. A. 1941. Verwandtschaft und Verbreitung der Cypraeacea. Archiv fur Molluskenkunde 73 (2 / 3): 57 - 120, figs. 8 - 9." type="journal article" year="1941">Schilder, 1941</bibRefCitation>
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</taxonomicName>
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. p. 78 [
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<emphasis id="28C2B448FFC7FFBCFCD3FA48FBEBF9EA" box="[881,1057,1523,1551]" italics="true" pageId="20" pageNumber="19">nomen nudum</emphasis>
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].
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</paragraph>
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<paragraph id="1A09685AFFC7FFBCFCC2F9A3FB4BF979" blockId="20.[830,1521,1278,1976]" pageId="20" pageNumber="19">
|
||
<taxonomicName id="DDB613D9FFC7FFBCFCC2F9A3FC25F9B0" authority="Ingram. Schilder and Schilder, 1971" authorityName="Ingram. Schilder and Schilder" authorityYear="1971" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="20" pageNumber="19" phylum="Mollusca" rank="species" species="clarki" subGenus="Megalocypraea">
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<emphasis id="28C2B448FFC7FFBCFCC2F9A3FC0BF9D1" box="[864,961,1560,1588]" italics="true" pageId="20" pageNumber="19">Gisortia</emphasis>
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(
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<emphasis id="28C2B448FFC7FFBCFC70F9A3FB44F9D1" box="[978,1166,1560,1588]" italics="true" pageId="20" pageNumber="19">Megalocypraea</emphasis>
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)
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<emphasis id="28C2B448FFC7FFBCFB02F9ACFB2CF9D6" box="[1184,1254,1559,1587]" italics="true" pageId="20" pageNumber="19">clarki</emphasis>
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Ingram.
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<bibRefCitation id="7E2715ABFFC7FFBCFAF6F9A3FC25F9B0" author="Schilder, M. & F. A. Schilder" pageId="20" pageNumber="19" pagination="1 - 246" refId="ref42099" refString="Schilder, M. and F. A. Schilder. 1971. A catalogue of living and fossil cowries. Taxonomy and bibliography of Trivacea and Cypraeacea (Gastropoda Prosobranchia). Institut Royal des Sciences Naturelles de Belgique, Memoires, Deuxieme Serie, 85: 1 - 246." type="journal article" year="1971">Schilder and Schilder, 1971</bibRefCitation>
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||
</taxonomicName>
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. p. 30, 105.
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<bibRefCitation id="7E2715ABFFC7FFBCFBD9F980FAD7F9B0" author="Groves, L. T." box="[1147,1309,1595,1621]" pageId="20" pageNumber="19" pagination="101 - 107" refId="ref37814" refString="Groves, L. T. 1992. California cowries (Cypraeacea): Past and present, with notes on recent tropical eastern Pacific species. The Festivus 24 (9): 101 - 107, figs. 1 - 3." type="journal article" year="1992">Groves, 1992</bibRefCitation>
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||
. p. 101, 102, 106, figs. 3a, 3b.
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<bibRefCitation id="7E2715ABFFC7FFBCFC68F9E5FBA1F99D" author="Groves, L. T." box="[970,1131,1630,1656]" pageId="20" pageNumber="19" pagination="11 - 14" refId="ref37858" refString="Groves, L. T. 1993. Fossil and recent species of eastern Pacific Cypraeacea (Pediculariidae, Cypraeidae, and Ovulidae). The Western Society of Malacologists Annual Report 25: 11 - 14." type="book chapter" year="1993">Groves, 1993</bibRefCitation>
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||
. p. 11.
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||
<bibRefCitation id="7E2715ABFFC7FFBCFB18F9E5FA91F99D" author="Groves, L. T." box="[1210,1371,1630,1656]" pageId="20" pageNumber="19" pagination="7 - 10" refId="ref38049" refString="Groves, L. T. 1997. Fossil and recent species of eastern Pacific Cypraeacea (Cypraeidae and Eocypraeinae [Ovulidae]): An update. The Western Society of Malacology Annual Report 29: 7 - 10." type="book chapter" year="1997">Groves, 1997</bibRefCitation>
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. p. 7.
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||
<bibRefCitation id="7E2715ABFFC7FFBCFA39F9E5FBEAF979" author="Groves, L. T. & R. L. Squires" pageId="20" pageNumber="19" pagination="1 - 360" refId="ref38553" refString="Groves, L. T. and R. L. Squires. 2021. Checklist of California Paleogene-Neogene marine Mollusca since Keen and Bentson (1944). PaleoBios 38: 1 - 360, figs. 1 - 3." type="journal article" year="2021">Groves and Squires, 2021</bibRefCitation>
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. p. 242.
|
||
</paragraph>
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||
<paragraph id="1A09685AFFC7FFBCFCC2F91EFA1DF907" blockId="20.[830,1521,1278,1976]" pageId="20" pageNumber="19">
|
||
<taxonomicName id="DDB613D9FFC7FFBCFCC2F91EFC26F95A" box="[864,1004,1701,1729]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="20" pageNumber="19" phylum="Mollusca" rank="species" species="undetermined">
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<emphasis id="28C2B448FFC7FFBCFCC2F91EFC0BF924" box="[864,961,1701,1729]" italics="true" pageId="20" pageNumber="19">Gisortia</emphasis>
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sp.
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</taxonomicName>
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cf.
|
||
<taxonomicName id="DDB613D9FFC7FFBCFBBEF91EFA41F925" authority="Ingram. Smith, 1975" authorityName="Ingram. Smith" authorityYear="1975" box="[1052,1419,1699,1729]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="20" pageNumber="19" phylum="Mollusca" rank="species" species="clarki">
|
||
<emphasis id="28C2B448FFC7FFBCFBBEF91EFB48F95A" box="[1052,1154,1699,1729]" italics="true" pageId="20" pageNumber="19">G. clarki</emphasis>
|
||
Ingram.
|
||
<bibRefCitation id="7E2715ABFFC7FFBCFB50F91EFA41F925" author="Smith, J. T." box="[1266,1419,1701,1728]" pageId="20" pageNumber="19" pagination="464 - 483" refId="ref42373" refString="Smith, J. T. 1975. Age, correlation, and possible Tethyan af- finities of mollusks from the Lodo Formation of Fresno County, California. In D. W. Weaver, G. R. Hornaday, and A. Tipton (eds.). Conference on future energy hori- zons of the Pacific Coast. Paleogene symposium and selected technical papers. Pacific Sections, American Association of Petroleum Geologists, Society of Eco- nomic Paleontologists and Mineralogists, and Society of Exploration Geologists. Pp. 464 - 483, pls. 1 - 2." type="book chapter" year="1975">Smith, 1975</bibRefCitation>
|
||
</taxonomicName>
|
||
. p. 469, 479, pl. 2, figs. 9, 13. Not
|
||
<taxonomicName id="DDB613D9FFC7FFBCFBD7F973FA1BF907" authority="Ingram, 1940" authorityName="Ingram" authorityYear="1940" box="[1141,1489,1735,1764]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="20" pageNumber="19" phylum="Mollusca" rank="species" species="clarki">
|
||
<emphasis id="28C2B448FFC7FFBCFBD7F973FAE8F906" box="[1141,1314,1735,1764]" italics="true" pageId="20" pageNumber="19">Gisortia clarki</emphasis>
|
||
<bibRefCitation id="7E2715ABFFC7FFBCFA8AF973FA1BF907" author="Ingram, W. M." box="[1320,1489,1736,1762]" pageId="20" pageNumber="19" pagination="376 - 377" refId="ref39018" refString="Ingram, W. M. 1940. A new Gisortia. Journal of the Washington Academy of Sciences 39 (9): 376 - 377, fig. 1." type="journal article" year="1940">Ingram, 1940</bibRefCitation>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="1A09685AFFC7FFBCFCC2F957FC24F8A9" blockId="20.[830,1521,1278,1976]" pageId="20" pageNumber="19">
|
||
<emphasis id="28C2B448FFC7FFBCFCC2F957FBEEF8ED" box="[864,1060,1772,1800]" italics="true" pageId="20" pageNumber="19">Megalocypraea</emphasis>
|
||
aff.
|
||
<taxonomicName id="DDB613D9FFC7FFBCFBC1F951FA93F8E0" authority="(Ingram)" baseAuthorityName="Ingram" box="[1123,1369,1770,1798]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="20" pageNumber="19" phylum="Mollusca" rank="species" species="clarki">
|
||
<emphasis id="28C2B448FFC7FFBCFBC1F951FB1CF8E3" box="[1123,1238,1770,1798]" italics="true" pageId="20" pageNumber="19">M. clarki</emphasis>
|
||
(Ingram)
|
||
</taxonomicName>
|
||
.
|
||
<bibRefCitation id="7E2715ABFFC7FFBCFACBF950FC4BF8CD" author="Woodring, W. P." pageId="20" pageNumber="19" pagination="83 - 124" refId="ref44851" refString="Woodring, W. P. 1982. Geology and paleontology of Ca- nal Zone and adjoining parts of Panama. Description of Tertiary mollusks (Pelecypods: Propeamussiidae to Cuspidariidae; additions to families covered in P 306 - E; additions to gastropods and cephalopods). U. S. Geological Survey Professional Paper 306 - F: IV + 541 - 757, pls. 83 - 124." type="book chapter" year="1982">Woodring, 1982</bibRefCitation>
|
||
. p. 725, pl. 85, fig. 3, pl. 86, fig. 3. Not
|
||
<taxonomicName id="DDB613D9FFC7FFBCFAE6F8B4FC22F8A9" authority="Ingram, 1940" authorityName="Ingram" authorityYear="1940" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="20" pageNumber="19" phylum="Mollusca" rank="species" species="clarki">
|
||
<emphasis id="28C2B448FFC7FFBCFAE6F8B4FA3AF8CC" box="[1348,1520,1805,1835]" italics="true" pageId="20" pageNumber="19">Gisortia clarki</emphasis>
|
||
<bibRefCitation id="7E2715ABFFC7FFBCFCE2F889FC22F8A9" author="Ingram, W. M." box="[832,1000,1842,1868]" pageId="20" pageNumber="19" pagination="376 - 377" refId="ref39018" refString="Ingram, W. M. 1940. A new Gisortia. Journal of the Washington Academy of Sciences 39 (9): 376 - 377, fig. 1." type="journal article" year="1940">Ingram, 1940</bibRefCitation>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="1A09685AFFC7FFBCFCC2F8EEFB68F853" blockId="20.[830,1521,1278,1976]" pageId="20" pageNumber="19">
|
||
<taxonomicName id="DDB613D9FFC7FFBCFCC2F8EEFB6CF88A" authorityName="F. A. Schilder" authorityYear="1927" box="[864,1190,1877,1905]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="20" pageNumber="19" phylum="Mollusca" rank="subGenus" subGenus="Megalocypraea">
|
||
<emphasis id="28C2B448FFC7FFBCFCC2F8EEFC0EF894" box="[864,964,1877,1905]" italics="true" pageId="20" pageNumber="19">Gisortia</emphasis>
|
||
(
|
||
<emphasis id="28C2B448FFC7FFBCFC78F8EEFB51F894" box="[986,1179,1877,1905]" italics="true" pageId="20" pageNumber="19">Megalocypraea</emphasis>
|
||
)
|
||
</taxonomicName>
|
||
cf.
|
||
<emphasis id="28C2B448FFC7FFBCFB7BF8EEFB20F894" box="[1241,1258,1877,1905]" italics="true" pageId="20" pageNumber="19">G</emphasis>
|
||
.
|
||
<taxonomicName id="DDB613D9FFC7FFBCFB58F8EEFB7CF877" authority="Ingram. Squires and Demetrion, 1994" authorityName="Ingram. Squires and Demetrion" authorityYear="1994" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="20" pageNumber="19" phylum="Mollusca" rank="species" species="clarki" subGenus="Megalocypraea">
|
||
(
|
||
<emphasis id="28C2B448FFC7FFBCFAA4F8E8FAD7F88A" box="[1286,1309,1875,1903]" italics="true" pageId="20" pageNumber="19">M</emphasis>
|
||
.)
|
||
<emphasis id="28C2B448FFC7FFBCFA98F8E8FA48F88A" box="[1338,1410,1875,1903]" italics="true" pageId="20" pageNumber="19">clarki</emphasis>
|
||
Ingram.
|
||
<bibRefCitation id="7E2715ABFFC7FFBCFCE2F8C3FB7CF877" author="Squires, R. L. & R. A. Demetrion" box="[832,1206,1912,1938]" pageId="20" pageNumber="19" pagination="125 - 135" refId="ref43430" refString="Squires, R. L. and R. A. Demetrion. 1994. New reports of Eocene mollusks from the Bateque Formation, Baja California Sur, Mexico. The Veliger 37 (2): 125 - 135, figs. 1 - 22." type="journal article" year="1994">Squires and Demetrion, 1994</bibRefCitation>
|
||
</taxonomicName>
|
||
. pp. 129, 130, fig. 8. Not
|
||
<taxonomicName id="DDB613D9FFC7FFBCFCE2F827FB56F850" authority="Ingram, 1940" authorityName="Ingram" authorityYear="1940" box="[832,1180,1946,1976]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="20" pageNumber="19" phylum="Mollusca" rank="species" species="clarki">
|
||
<emphasis id="28C2B448FFC7FFBCFCE2F827FC27F853" box="[832,1005,1946,1976]" italics="true" pageId="20" pageNumber="19">Gisortia clarki</emphasis>
|
||
<bibRefCitation id="7E2715ABFFC7FFBCFC56F827FB56F850" author="Ingram, W. M." box="[1012,1180,1947,1974]" pageId="20" pageNumber="19" pagination="376 - 377" refId="ref39018" refString="Ingram, W. M. 1940. A new Gisortia. Journal of the Washington Academy of Sciences 39 (9): 376 - 377, fig. 1." type="journal article" year="1940">Ingram, 1940</bibRefCitation>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="52AC3BD1FFC6FFBDFF32FF78FCEAFCF4" pageId="21" pageNumber="20" type="materials_examined">
|
||
<paragraph id="1A09685AFFC6FFBDFF32FF78FD3FFEA3" blockId="21.[112,801,195,1946]" pageId="21" pageNumber="20">
|
||
<materialsCitation id="AADE6207FFC6FFBDFF32FF78FD3FFEA3" collectionCode="UCMP" collectorName="Figs. H - J" county="Ventura County" location="Llajas Formation" municipality="Locality" pageId="21" pageNumber="20" specimenCode="UCMP 14844" specimenCount="1" stateProvince="California" typeStatus="holotype">
|
||
<emphasis id="28C2B448FFC6FFBDFF32FF78FDE3FF38" bold="true" box="[144,553,195,221]" pageId="21" pageNumber="20">
|
||
<typeStatus id="C50DD6F8FFC6FFBDFF32FF78FEC6FF38" box="[144,268,195,221]" pageId="21" pageNumber="20" type="holotype">Holotype</typeStatus>
|
||
and Type Locality—
|
||
</emphasis>
|
||
<specimenCode id="4A10C021FFC6FFBDFD8BFF78FD1BFF38" box="[553,721,195,221]" collectionCode="UCMP" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="21" pageNumber="20" type="University or college">UCMP 14844</specimenCode>
|
||
(
|
||
<collectorName id="B7430D8CFFC6FFBDFD46FF78FF6AFEE4" pageId="21" pageNumber="20">Figs. H–J</collectorName>
|
||
), length
|
||
<quantity id="DD4EC5BFFFC6FFBDFEAAFF5DFE4CFEE4" box="[264,390,230,257]" metricMagnitude="-1" metricUnit="m" metricValue="1.214" pageId="21" pageNumber="20" unit="mm" value="121.4">121.4 mm</quantity>
|
||
, width
|
||
<quantity id="DD4EC5BFFFC6FFBDFE42FF5DFD84FEE4" box="[480,590,230,257]" metricMagnitude="-2" metricUnit="m" metricValue="9.64" pageId="21" pageNumber="20" unit="mm" value="96.4">96.4 mm</quantity>
|
||
, height
|
||
<quantity id="DD4EC5BFFFC6FFBDFD0FFF5DFCD6FEE4" box="[685,796,230,257]" metricMagnitude="-2" metricUnit="m" metricValue="6.59" pageId="21" pageNumber="20" unit="mm" value="65.9">65.9 mm</quantity>
|
||
.
|
||
<collectionCode id="7CA7F09FFFC6FFBDFFD2FEB2FF76FEC6" box="[112,188,265,291]" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="21" pageNumber="20" type="University or college">UCMP</collectionCode>
|
||
<collectingMunicipality id="FA6DF220FFC6FFBDFF64FEB2FEE0FEC6" box="[198,298,265,291]" pageId="21" pageNumber="20">Locality</collectingMunicipality>
|
||
4052, “Capay Stage,”
|
||
<location id="1F693E81FFC6FFBDFDE1FEB2FCD1FEC6" LSID="urn:lsid:plazi:treatment:921FD94CFFC7FFBDFC7FFB2EFA73FD2F:1F693E81FFC6FFBDFDE1FEB2FCD1FEC6" box="[579,795,265,291]" county="Ventura County" municipality="Locality" name="Llajas Formation" pageId="21" pageNumber="20" stateProvince="California">Llajas Formation</location>
|
||
, north side of
|
||
<location id="1F693E81FFC6FFBDFEB7FE97FE54FEA3" LSID="urn:lsid:plazi:treatment:921FD94CFFC7FFBDFC7FFB2EFA73FD2F:1F693E81FFC6FFBDFEB7FE97FE54FEA3" box="[277,414,300,326]" county="Ventura County" municipality="Locality" name="Simi Valley" pageId="21" pageNumber="20" stateProvince="California">Simi Valley</location>
|
||
,
|
||
<collectingCounty id="F36810D6FFC6FFBDFE0AFE96FDA0FEA2" box="[424,618,301,327]" pageId="21" pageNumber="20">Ventura County</collectingCounty>
|
||
,
|
||
<collectingRegion id="D872A6B8FFC6FFBDFDD7FE97FD38FEA3" box="[629,754,300,326]" country="United States of America" name="California" pageId="21" pageNumber="20">California</collectingRegion>
|
||
.
|
||
</materialsCitation>
|
||
</paragraph>
|
||
<paragraph id="1A09685AFFC6FFBDFF32FEF4FCEAFCF4" blockId="21.[112,801,195,1946]" pageId="21" pageNumber="20">
|
||
<emphasis id="28C2B448FFC6FFBDFF32FEF4FD86FE8C" bold="true" box="[144,588,335,361]" pageId="21" pageNumber="20">Referred Specimens—Hypotype</emphasis>
|
||
(of
|
||
<bibRefCitation id="7E2715ABFFC6FFBDFD24FEEBFE89FE68" author="Squires, R. L. & R. A. Demetrion" pageId="21" pageNumber="20" pagination="125 - 135" refId="ref43430" refString="Squires, R. L. and R. A. Demetrion. 1994. New reports of Eocene mollusks from the Bateque Formation, Baja California Sur, Mexico. The Veliger 37 (2): 125 - 135, figs. 1 - 22." type="journal article" year="1994">Squires and Demetrion, 1994</bibRefCitation>
|
||
: pp. 129–130)
|
||
<collectionCode id="7CA7F09FFFC6FFBDFE5EFEC8FDE5FE68" box="[508,559,371,397]" country="Mongolia" httpUri="http://grbio.org/cool/0h5a-qjh4" name="Geological Institute, Mongolian Academy of Sciences" pageId="21" pageNumber="20">IGM</collectionCode>
|
||
5953 from
|
||
<collectionCode id="7CA7F09FFFC6FFBDFD1EFEC8FCEAFE68" box="[700,800,371,397]" pageId="21" pageNumber="20">LACMIP</collectionCode>
|
||
Locality 401544a (
|
||
<emphasis id="28C2B448FFC6FFBDFEC8FE2EFE4FFE54" box="[362,389,405,433]" italics="true" pageId="21" pageNumber="20">ex</emphasis>
|
||
<collectionCode id="7CA7F09FFFC6FFBDFE2DFE2DFE1CFE55" box="[399,470,406,432]" country="USA" httpUri="http://grbio.org/cool/sgeh-wrgd" name="California State University, Northridge" pageId="21" pageNumber="20" type="University or college">CSUN</collectionCode>
|
||
Locality 1544a (internal mold)), lower Eocene (“Capay Stage”), Mesa La Salina and area just to the south,
|
||
<collectingRegion id="D872A6B8FFC6FFBDFE6AFE67FD7EFE12" box="[456,692,476,503]" country="Mexico" name="Baja California Sur" pageId="21" pageNumber="20">Baja California Sur</collectingRegion>
|
||
,
|
||
<collectingCountry id="62A128CAFFC6FFBDFD63FE67FCD6FE13" box="[705,796,476,502]" name="Mexico" pageId="21" pageNumber="20">México</collectingCountry>
|
||
. This specimen, which is significantly smaller than both the
|
||
<typeStatus id="C50DD6F8FFC6FFBDFF3EFD98FEC2FDD8" box="[156,264,547,573]" pageId="21" pageNumber="20" type="holotype">holotype</typeStatus>
|
||
of
|
||
<taxonomicName id="DDB613D9FFC6FFBDFE8AFD98FE05FDD8" authorityName="Ingram" authorityYear="1940" box="[296,463,545,575]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="species" species="clarki">
|
||
<emphasis id="28C2B448FFC6FFBDFE8AFD98FE05FDD8" box="[296,463,545,575]" italics="true" pageId="21" pageNumber="20">Gisortia clarki</emphasis>
|
||
</taxonomicName>
|
||
and the figured specimen of
|
||
<taxonomicName id="DDB613D9FFC6FFBDFFD2FDFDFF32FD84" box="[112,248,582,610]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="species" species="undetermined">
|
||
<emphasis id="28C2B448FFC6FFBDFFD2FDFDFF1BFD87" box="[112,209,582,610]" italics="true" pageId="21" pageNumber="20">Gisortia</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
of
|
||
<bibRefCitation id="7E2715ABFFC6FFBDFEB9FDFDFE2CFD84" author="Perrilliat, M. C." box="[283,486,582,609]" pageId="21" pageNumber="20" pagination="178 - 183" refId="ref41078" refString="Perrilliat, M. C. 1996. Occurrence of the Tethyan gastro- pods Campanile and Gisortia in the lower Eocene part of the Tepetate Formation, Baja California Sur, Mexico. The Veliger 39 (2): 178 - 183, figs. 1 - 8." type="journal article" year="1996">Perrilliat (1996)</bibRefCitation>
|
||
(see below), is too poorly preserved to identify with certainty. Additional internal molds of this gastropod are also known from the Bateque Formation,
|
||
<collectingRegion id="D872A6B8FFC6FFBDFF5EFD0BFE16FD2F" box="[252,476,688,714]" country="Mexico" name="Baja California Sur" pageId="21" pageNumber="20">Baja California Sur</collectingRegion>
|
||
,
|
||
<collectingCountry id="62A128CAFFC6FFBDFE47FD0BFD8BFD2F" box="[485,577,688,714]" name="Mexico" pageId="21" pageNumber="20">México</collectingCountry>
|
||
: two from
|
||
<collectionCode id="7CA7F09FFFC6FFBDFD1FFD0BFCEAFD2F" box="[701,800,688,714]" pageId="21" pageNumber="20">LACMIP</collectionCode>
|
||
Locality 401544a (
|
||
<emphasis id="28C2B448FFC6FFBDFEC4FD6AFE4BFD08" box="[358,385,721,749]" italics="true" pageId="21" pageNumber="20">ex</emphasis>
|
||
<collectionCode id="7CA7F09FFFC6FFBDFE29FD68FE18FD08" box="[395,466,723,749]" country="USA" httpUri="http://grbio.org/cool/sgeh-wrgd" name="California State University, Northridge" pageId="21" pageNumber="20" type="University or college">CSUN</collectionCode>
|
||
Locality 1544a), and one from
|
||
<collectionCode id="7CA7F09FFFC6FFBDFF11FD4DFEDDFCF5" box="[179,279,758,784]" pageId="21" pageNumber="20">LACMIP</collectionCode>
|
||
Locality 401220 (
|
||
<emphasis id="28C2B448FFC6FFBDFE5AFD4EFDD8FCF4" box="[504,530,757,785]" italics="true" pageId="21" pageNumber="20">ex</emphasis>
|
||
<collectionCode id="7CA7F09FFFC6FFBDFDBBFD4DFD95FCF5" box="[537,607,758,784]" country="USA" httpUri="http://grbio.org/cool/sgeh-wrgd" name="California State University, Northridge" pageId="21" pageNumber="20" type="University or college">CSUN</collectionCode>
|
||
Locality 1220).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="52AC3BD1FFC6FFBDFF32FCA2FCEBFC78" pageId="21" pageNumber="20" type="distribution">
|
||
<paragraph id="1A09685AFFC6FFBDFF32FCA2FCEBFC78" blockId="21.[112,801,195,1946]" pageId="21" pageNumber="20">
|
||
<emphasis id="28C2B448FFC6FFBDFF32FCA2FE81FCD6" bold="true" box="[144,331,793,819]" pageId="21" pageNumber="20">Occurrence—</emphasis>
|
||
Lower to middle Eocene, California. “Capay Stage,” Llajas Formation, north side of Simi Valley, Ventura County, southern California, and provisionally from the Bateque Formation,
|
||
<collectingRegion id="D872A6B8FFC6FFBDFE74FC38FD72FC78" box="[470,696,899,925]" country="Mexico" name="Baja California Sur" pageId="21" pageNumber="20">Baja California Sur</collectingRegion>
|
||
,
|
||
<collectingCountry id="62A128CAFFC6FFBDFD60FC38FCD7FC78" box="[706,797,899,925]" name="Mexico" pageId="21" pageNumber="20">México</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="52AC3BD1FFC6FFBDFF32FC1DFE08FC06" pageId="21" pageNumber="20" type="etymology">
|
||
<paragraph id="1A09685AFFC6FFBDFF32FC1DFE08FC06" blockId="21.[112,801,195,1946]" pageId="21" pageNumber="20">
|
||
<emphasis id="28C2B448FFC6FFBDFF32FC1DFEF1FC25" bold="true" box="[144,315,934,960]" pageId="21" pageNumber="20">Etymology—</emphasis>
|
||
Originally named for the late Bruce L. Clark [1880-1945] (
|
||
<collectionCode id="7CA7F09FFFC6FFBDFEC5FC72FE70FC06" box="[359,442,969,995]" country="USA" httpUri="http://grbio.org/cool/2fxn-eays" name="University of California Museum of Paleontology" pageId="21" pageNumber="20" type="University or college">UCMP</collectionCode>
|
||
)
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="52AC3BD1FFC6FFBDFF32FC57FD18FB3F" pageId="21" pageNumber="20" type="description">
|
||
<paragraph id="1A09685AFFC6FFBDFF32FC57FD18FB3F" blockId="21.[112,801,195,1946]" pageId="21" pageNumber="20">
|
||
<emphasis id="28C2B448FFC6FFBDFF32FC57FE86FBE3" bold="true" box="[144,332,1004,1030]" pageId="21" pageNumber="20">Description—</emphasis>
|
||
Shell globose, heavy. Very wide medi- ally. Spire almost totally submerged beneath shell, spire peak projecting (approximately
|
||
<quantity id="DD4EC5BFFFC6FFBDFDB3FB88FDBCFBA8" box="[529,630,1075,1102]" metricMagnitude="-3" metricUnit="m" metricValue="3.5" pageId="21" pageNumber="20" unit="mm" value="3.5">3.5 mm</quantity>
|
||
) above shell. Aperture curves to the left anteriorly and posteriorly. Labrum (outer) and columellar lips broadly rounded. Columella side of the anterior canal apparently com- pressed dorso-basally at its outermost extremity.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="52AC3BD1FFC6FFBDFF32FB58FA73FD2F" pageId="21" pageNumber="20" type="discussion">
|
||
<paragraph id="1A09685AFFC6FFBDFF32FB58FD1FF9DF" blockId="21.[112,801,195,1946]" pageId="21" pageNumber="20">
|
||
<emphasis id="28C2B448FFC6FFBDFF32FB58FEE2FB18" bold="true" box="[144,296,1251,1277]" pageId="21" pageNumber="20">Remarks—</emphasis>
|
||
<taxonomicName id="DDB613D9FFC6FFBDFE8AFB58FE17FB18" authorityName="Ingram" authorityYear="1940" box="[296,477,1249,1279]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="species" species="clarki">
|
||
<emphasis id="28C2B448FFC6FFBDFE8AFB58FE17FB18" box="[296,477,1249,1279]" italics="true" pageId="21" pageNumber="20">Gisortia clarki</emphasis>
|
||
</taxonomicName>
|
||
is known with certainty only from the moderately well preserved
|
||
<typeStatus id="C50DD6F8FFC6FFBDFDD7FABDFD2CFAC5" box="[629,742,1286,1312]" pageId="21" pageNumber="20" type="holotype">holotype</typeStatus>
|
||
. The shell surface of the
|
||
<typeStatus id="C50DD6F8FFC6FFBDFEF1FA92FE75FAA6" box="[339,447,1321,1347]" pageId="21" pageNumber="20" type="holotype">holotype</typeStatus>
|
||
is well preserved on the base, on the extreme posterior region, on the columellar lateral shell boundary, and on the posterior three-fourths of the outer lip. It is moderately eroded, however, on the dorsal surface, and the greater part of the dorsal convexity is represented by an intact internal mold. The aperture is filled with a matrix, which prohibits a description of the internal surfaces of the columellar and outer lips.
|
||
</paragraph>
|
||
<paragraph id="1A09685AFFC6FFBDFF32F9F8FE40F893" blockId="21.[112,801,195,1946]" pageId="21" pageNumber="20">
|
||
<bibRefCitation id="7E2715ABFFC6FFBDFF32F9F8FEE1F9BB" author="Smith, J. T." box="[144,299,1603,1630]" pageId="21" pageNumber="20" pagination="464 - 483" refId="ref42373" refString="Smith, J. T. 1975. Age, correlation, and possible Tethyan af- finities of mollusks from the Lodo Formation of Fresno County, California. In D. W. Weaver, G. R. Hornaday, and A. Tipton (eds.). Conference on future energy hori- zons of the Pacific Coast. Paleogene symposium and selected technical papers. Pacific Sections, American Association of Petroleum Geologists, Society of Eco- nomic Paleontologists and Mineralogists, and Society of Exploration Geologists. Pp. 464 - 483, pls. 1 - 2." type="book chapter" year="1975">Smith (1975</bibRefCitation>
|
||
: pl. 2, figs. 9, 13) referred to a late Paleo- cene cypraeoidean specimen as
|
||
<taxonomicName id="DDB613D9FFC6FFBDFDA7F9DDFD5AF964" box="[517,656,1638,1666]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="species" species="undetermined">
|
||
<emphasis id="28C2B448FFC6FFBDFDA7F9DDFDACF967" box="[517,614,1638,1666]" italics="true" pageId="21" pageNumber="20">Gisortia</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
cf.
|
||
<taxonomicName id="DDB613D9FFC6FFBDFD1EF9DDFCEBF964" authorityName="Ingram" authorityYear="1940" box="[700,801,1637,1666]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="species" species="clarki">
|
||
<emphasis id="28C2B448FFC6FFBDFD1EF9DDFCEBF964" box="[700,801,1637,1666]" italics="true" pageId="21" pageNumber="20">G. clarki</emphasis>
|
||
</taxonomicName>
|
||
from the basal Lodo Formation in the Tumey Hills of central
|
||
<collectingRegion id="D872A6B8FFC6FFBDFF72F917FE87F923" box="[208,333,1708,1734]" country="United States of America" name="California" pageId="21" pageNumber="20">California</collectingRegion>
|
||
. This specimen, which has a very in- flated dorsum, was mentioned by
|
||
<bibRefCitation id="7E2715ABFFC6FFBDFDBAF96BFD03F90F" author="Squires, R. L." box="[536,713,1744,1770]" pageId="21" pageNumber="20" pagination="1 - 93" refId="ref42659" refString="Squires, R. L. 1987. Eocene molluscan paleontology of the Whitaker Peak area, Los Angeles and Ventura counties. Contributions in Science, Natural History Museum of Los Angeles County 388: 1 - 93, figs. 1 - 135." type="journal article" year="1987">Squires (1987</bibRefCitation>
|
||
: p. 35) in his discussion on the distribution of
|
||
<taxonomicName id="DDB613D9FFC6FFBDFDC9F948FD06F8EA" authorityName="Groves & Squires" authorityYear="2023" box="[619,716,1779,1807]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="genus">
|
||
<emphasis id="28C2B448FFC6FFBDFDC9F948FD06F8EA" box="[619,716,1779,1807]" italics="true" pageId="21" pageNumber="20">Gisortia</emphasis>
|
||
</taxonomicName>
|
||
in the NEP region. This specimen, however, is recognized and described in this present paper as
|
||
<taxonomicName id="DDB613D9FFC6FFBDFDACF882FD51F8B6" authorityName="Rafinesque" authorityYear="1815" box="[526,667,1849,1875]" class="Gastropoda" family="Cypraeidae" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="family">Cypraeidae</taxonomicName>
|
||
, genus and species indeterminate.
|
||
</paragraph>
|
||
<paragraph id="1A09685AFFC6FFBDFF32F83BFA1FFEA2" blockId="21.[112,801,195,1946]" lastBlockId="21.[834,1521,193,716]" pageId="21" pageNumber="20">
|
||
<bibRefCitation id="7E2715ABFFC6FFBDFF32F83BFE68F87F" author="Clark, B. L. & H. E. Vokes" box="[144,418,1920,1946]" pageId="21" pageNumber="20" pagination="851 - 878" refId="ref35731" refString="Clark, B. L., and H. E. Vokes. 1936. Summary of marine Eocene sequence of western North America. Bulletin of the Geological Society of America 47 (6): 851 - 878, figs. 1 - 3, pls. 1 - 2." type="journal article" year="1936">Clark and Vokes (1936</bibRefCitation>
|
||
: p. 877) noted the morphologic similarities of their
|
||
<taxonomicName id="DDB613D9FFC6FFBDFB89FF78FB43FF3A" authority="Groves & Squires, 2023" authorityName="Groves & Squires" authorityYear="2023" box="[1067,1161,195,223]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="genus" status="n. sp.">
|
||
<emphasis id="28C2B448FFC6FFBDFB89FF78FB43FF3A" box="[1067,1161,195,223]" italics="true" pageId="21" pageNumber="20">Gisortia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="33F10933FFC6FFBDFB2CFF78FB00FF38" box="[1166,1226,195,221]" pageId="21" pageNumber="20" rank="species">n. sp.</taxonomicNameLabel>
|
||
and
|
||
<taxonomicName id="DDB613D9FFC6FFBDFAA3FF78FC3DFEE4" authority="(Duclos, 1825)" baseAuthorityName="Duclos" baseAuthorityYear="1825" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="species" species="tuberculosa">
|
||
<emphasis id="28C2B448FFC6FFBDFAA3FF78FA3AFF38" box="[1281,1520,193,223]" italics="true" pageId="21" pageNumber="20">Gisortia tuberculosa</emphasis>
|
||
(
|
||
<bibRefCitation id="7E2715ABFFC6FFBDFCEFFF5DFC27FEE4" author="Duclos, P. L. H. N." box="[845,1005,230,257]" pageId="21" pageNumber="20" refId="ref36734" refString="Duclos, P. L. H. N. 1825. Note sur un fossile de Laon (Ovula tuberculosa), Tastut, Paris. 4 pp., 1 pl." type="book" year="1825">Duclos, 1825</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
of Ypresian age in the Paris Basin,
|
||
<collectingCountry id="62A128CAFFC6FFBDFA34FF5CFA27FEE4" box="[1430,1517,231,257]" name="France" pageId="21" pageNumber="20">France</collectingCountry>
|
||
.
|
||
<taxonomicName id="DDB613D9FFC6FFBDFCE0FEB1FBF2FEC1" baseAuthorityName="Duclos" baseAuthorityYear="1825" box="[834,1080,264,294]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="species" species="tuberculosa">
|
||
<emphasis id="28C2B448FFC6FFBDFCE0FEB1FBF2FEC1" box="[834,1080,264,294]" italics="true" pageId="21" pageNumber="20">Gisortia tuberculosa</emphasis>
|
||
</taxonomicName>
|
||
has been reported as early Lutetian age in southern
|
||
<collectingCountry id="62A128CAFFC6FFBDFBA8FE97FBBAFEA3" box="[1034,1136,300,326]" name="United Kingdom" pageId="21" pageNumber="20">England</collectingCountry>
|
||
(
|
||
<bibRefCitation id="7E2715ABFFC6FFBDFB20FE97FA0EFEA2" author="Pacaud, J. - M. & J. - M Canevet" box="[1154,1476,300,327]" pageId="21" pageNumber="20" pagination="61 - 66" refId="ref40716" refString="Pacaud, J. - M. and J. - M Canevet. 2019. Considerations sur l'Espece Ovula tuberculosa Duclos, 1825, du Cuisien (Ypresien, Eocene inferieur) du Bassin de Paris. Societe Amicale des Geologues Amateurs-Musemum National d'Histoire Naturelle 372: 61 - 66, pls. 1 - 2." type="journal article" year="2019">Pacaud and Canevet 2019</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="1A09685AFFC6FFBDFCC0FEEBFA73FD2F" blockId="21.[834,1521,193,716]" pageId="21" pageNumber="20">
|
||
<bibRefCitation id="7E2715ABFFC6FFBDFCC0FEEBFBE6FE8F" author="Perrilliat, M. C." box="[866,1068,336,362]" pageId="21" pageNumber="20" pagination="178 - 183" refId="ref41078" refString="Perrilliat, M. C. 1996. Occurrence of the Tethyan gastro- pods Campanile and Gisortia in the lower Eocene part of the Tepetate Formation, Baja California Sur, Mexico. The Veliger 39 (2): 178 - 183, figs. 1 - 8." type="journal article" year="1996">Perrilliat (1996)</bibRefCitation>
|
||
reported a poorly preserved internal mold identified as
|
||
<taxonomicName id="DDB613D9FFC6FFBDFB98FEC8FB01FE68" box="[1082,1227,371,399]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="species" species="undetermined">
|
||
<emphasis id="28C2B448FFC6FFBDFB98FEC8FB57FE6A" box="[1082,1181,371,399]" italics="true" pageId="21" pageNumber="20">Gisortia</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
(hypotype
|
||
<collectionCode id="7CA7F09FFFC6FFBDFAC6FEC8FA52FE68" box="[1380,1432,371,397]" country="Mongolia" httpUri="http://grbio.org/cool/0h5a-qjh4" name="Geological Institute, Mongolian Academy of Sciences" pageId="21" pageNumber="20">IGM</collectionCode>
|
||
6761) from the late early Eocene Tepetate Formation near San Hilario,
|
||
<collectingRegion id="D872A6B8FFC6FFBDFC06FE02FB43FE36" box="[932,1161,441,467]" country="Mexico" name="Baja California Sur" pageId="21" pageNumber="20">Baja California Sur</collectingRegion>
|
||
,
|
||
<collectingCountry id="62A128CAFFC6FFBDFB31FE02FB26FE36" box="[1171,1260,441,467]" name="Mexico" pageId="21" pageNumber="20">México</collectingCountry>
|
||
(
|
||
<collectionCode id="7CA7F09FFFC6FFBDFB5AFE02FAE5FE36" box="[1272,1327,441,467]" country="Mongolia" httpUri="http://grbio.org/cool/0h5a-qjh4" name="Geological Institute, Mongolian Academy of Sciences" pageId="21" pageNumber="20">IGM</collectionCode>
|
||
Locality 2620). She noted that
|
||
<taxonomicName id="DDB613D9FFC6FFBDFC5AFE66FB4AFE12" box="[1016,1152,477,505]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="species" species="undetermined">
|
||
<emphasis id="28C2B448FFC6FFBDFC5AFE66FB93FE1C" box="[1016,1113,477,505]" italics="true" pageId="21" pageNumber="20">Gisortia</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
is larger than
|
||
<taxonomicName id="DDB613D9FFC6FFBDFA8FFE66FA45FE12" authorityName="Ingram" authorityYear="1940" box="[1325,1423,475,505]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="species" species="clarki">
|
||
<emphasis id="28C2B448FFC6FFBDFA8FFE66FA45FE12" box="[1325,1423,475,505]" italics="true" pageId="21" pageNumber="20">G. clarki</emphasis>
|
||
</taxonomicName>
|
||
and the spire displays five whorls, which are covered in
|
||
<taxonomicName id="DDB613D9FFC6FFBDFA2AFDBBFA20FDFF" authorityName="Ingram" authorityYear="1940" box="[1416,1514,510,540]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="species" species="clarki">
|
||
<emphasis id="28C2B448FFC6FFBDFA2AFDBBFA20FDFF" box="[1416,1514,510,540]" italics="true" pageId="21" pageNumber="20">G. clarki</emphasis>
|
||
</taxonomicName>
|
||
. Because of poor preservation it is difficult to make any positive comparison with
|
||
<taxonomicName id="DDB613D9FFC6FFBDFBDFFDFDFB17FD84" authorityName="Ingram" authorityYear="1940" box="[1149,1245,581,610]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="species" species="clarki">
|
||
<emphasis id="28C2B448FFC6FFBDFBDFFDFDFB17FD84" box="[1149,1245,581,610]" italics="true" pageId="21" pageNumber="20">G. clarki</emphasis>
|
||
</taxonomicName>
|
||
. The figured specimen of
|
||
<bibRefCitation id="7E2715ABFFC6FFBDFCC0FDD2FBF7FD61" author="Woodring, W. P." box="[866,1085,617,644]" pageId="21" pageNumber="20" pagination="83 - 124" refId="ref44851" refString="Woodring, W. P. 1982. Geology and paleontology of Ca- nal Zone and adjoining parts of Panama. Description of Tertiary mollusks (Pelecypods: Propeamussiidae to Cuspidariidae; additions to families covered in P 306 - E; additions to gastropods and cephalopods). U. S. Geological Survey Professional Paper 306 - F: IV + 541 - 757, pls. 83 - 124." type="book chapter" year="1982">Woodring (1982)</bibRefCitation>
|
||
(
|
||
<collectionCode id="7CA7F09FFFC6FFBDFBEFFDD2FB54FD66" box="[1101,1182,617,643]" country="USA" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="21" pageNumber="20" type="Museum">USNM</collectionCode>
|
||
647808) from the late Eo- cene Gatuncillo Formation of
|
||
<collectingCountry id="62A128CAFFC6FFBDFB0DFD36FAD9FD42" box="[1199,1299,653,679]" name="Panama" pageId="21" pageNumber="20">Panama</collectingCountry>
|
||
is a large internal mold that is indeed a
|
||
<taxonomicName id="DDB613D9FFC6FFBDFBECFD0BFB65FD29" authorityName="Groves & Squires" authorityYear="2023" box="[1102,1199,688,716]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="genus">
|
||
<emphasis id="28C2B448FFC6FFBDFBECFD0BFB65FD29" box="[1102,1199,688,716]" italics="true" pageId="21" pageNumber="20">Gisortia</emphasis>
|
||
</taxonomicName>
|
||
but unlikely
|
||
<taxonomicName id="DDB613D9FFC6FFBDFAF2FD0BFA79FD2F" authorityName="Ingram" authorityYear="1940" box="[1360,1459,686,716]" class="Gastropoda" family="Cypraeidae" genus="Gisortia" kingdom="Animalia" order="Littorinimorpha" pageId="21" pageNumber="20" phylum="Mollusca" rank="species" species="clarki">
|
||
<emphasis id="28C2B448FFC6FFBDFAF2FD0BFA79FD2F" box="[1360,1459,686,716]" italics="true" pageId="21" pageNumber="20">G. clarki</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |