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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Crepidula ungana
Taxonomy
Crepidula ungana was named by Dall (1908) [DISTRIBUTION: Late Oligocene; Pacific Coast, North America.]. It is not a trace fossil.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1908 | Crepidula ungana Dall p. 118 figs. pl. 10, figs. 8, 9 |
1944 | Crepidula ungana Durham p. 162 |
1973 | Crepidula ungana Addicott p. 18 |
2003 | Crepidula ungana Oleinik and Marincovich Jr p. 40 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Crepidula ungana Dall 1908
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: g = genus, c = class | |||||
References: Kiessling 2004, Abbott and Dance 1986 |
Age range: base of the Priabonian to the top of the Chattian or 38.00000 to 23.03000 Ma
Collections (32 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Middle Eocene | USA (California) | Crepidula ungana (194440) | |
Bartonian - Priabonian | Russian Federation | Crepidula ungana (50151) | |
Priabonian | USA (Oregon) | Crepidula ungana (38935 38936 38938 38940 38941 38945 38984 38985 38987 38988 38992 38997 38998 38999 39000 39003 39005 39025 39028 39029) | |
Rupelian | USA (Washington) | Crepidula ungana (205215) | |
Oligocene | USA (Alaska) | Crepidula ungana (44101) | |
Late/Upper Oligocene | USA (California) | Crepidula ungana (72406 219731 219736) | |
Chattian | Canada (British Columbia) | Crepidula ungana (206743) | |
Chattian | USA (Washington) | Crepidula ungana (52356 52362 91615 208161) |