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Pseudophragmina clarki
Taxonomy
Orthophragmina clarki was named by Cushman (1920).
It was recombined as Pseudophragmina (Proporocyclina) clarki by Squires (1984); it was recombined as Pseudophragmina clarki by Squires and Demetrion (1992).
It was recombined as Pseudophragmina (Proporocyclina) clarki by Squires (1984); it was recombined as Pseudophragmina clarki by Squires and Demetrion (1992).
Sister species lacking formal opinion data
Entered
by J. Marcot on 2019-03-19
Synonymy list
| Year | Name and author |
|---|---|
| 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 |
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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.
†Pseudophragmina clarki Cushman 1920
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Collections (25 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian | Mexico (Baja California) | Pseudophragmina clarki (5494 5499 5502 5506) | |
| Ypresian | Mexico (Baja California Sur) | Pseudophragmina clarki (5495 5496 5497 5507) | |
| Ypresian - Lutetian | USA (California) | Pseudophragmina clarki (207165) | |
| Lutetian | USA (California) | Pseudophragmina clarki (8012 51921 51922 200846 201224 201232 201239 201254 201257 201259 201696 201700 205256 207153 207170 207171) |