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Corsania (Januncia)
Taxonomy
Corsania (Januncia) was named by Cushing Woods and Saul (1986).
It was assigned to Corsania by Cushing Woods and Saul (1986), Saul and Squires (1997), Squires (1999) and Squires and Saul (2002).
It was assigned to Corsania by Cushing Woods and Saul (1986), Saul and Squires (1997), Squires (1999) and Squires and Saul (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Corsania (Januncia) Cushing Woods and Saul p. 640 |
| 1997 | Corsania (Januncia) Saul and Squires p. 142 |
| 1999 | Corsania (Januncia) Squires p. 15 |
| 2002 | Corsania (Januncia) Squires and Saul p. 179 |
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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.
Subg. †Corsania (Januncia) Cushing Woods and Saul 1986
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†Corsania (Januncia) janus Cushing Woods and Saul 1986
†Corsania (Januncia) oraria Saul and Squires 1997
†Corsania (Januncia) rhoga Saul and Squires 1997
†Corsania (Januncia) susana Saul and Squires 1997
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. J. Cushing Woods and L. R. Saul 1986 | lobose, with depressed spire and rapidly enlarging whorls; ornament of very strong to moderate spiral ridges granulate to tuberculate, granules or tubercles usually vaulted and rasp-like, some species with collabral ribs on the abapical third of the whorl; inner lip in two parts, an outer rim which with the outer lip creates a nearly round aperture, and the nearly straight inner margin of the depressed semicircular deck which bears a few strong teeth; outer lip strongly prosocline, smooth internally. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: Late/Upper Paleocene or 58.70000 to 55.80000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Paleocene | USA (California) | Corsania rhoga (194098) | |
| Thanetian | USA (California) | Corsania rhoga (184013 220400) | |
| Late/Upper Paleocene | Mexico (Baja California) | Corsania janus (220401) | |
| Late/Upper Paleocene | USA (California) | Corsania janus (220399) | |
| Ypresian | USA (California) | Corsania susana (207313 207316 207321) | |
| Ypresian | USA (Washington) | Corsania oraria (220296 220303) |