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Orthophragmina clarki β
Source Data |
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Rank | species (PBDB) | |||||||||||||||
Taxonomy (PBDB) | Life : Orthophragmina : Orthophragmina clarki | |||||||||||||||
Classification (PBDB,GBIF) |
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Opinions (PBDB) |
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Status (PBDB) | extinct | |||||||||||||||
Taxon Size (PBDB) | 1 | |||||||||||||||
First Recorded Appearance | 56.0 - 47.8 Ma Eocene | |||||||||||||||
Last Recorded Appearance | 47.8 - 41.3 Ma Eocene | |||||||||||||||
Primary Reference (PBDB) | R. L. Squires. 1984. Megapaleontology of the Eocene Llajas Formation, Simi Valley, California. Contributions in Science, Natural History Museum of Los Angeles County 350:1-76 |
Synonymy List
Year | Name and Author |
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1920 | Orthophragmina clarki Cushman pp. 41-42 figs. pl. 7, figs. 4-5. |
1984 | Pseudophragmina (Proporocyclina) clarki Squires p. 13 |
1992 | Pseudophragmina clarki Squires and Demetrion p. 13 |
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!