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Archaeocothurnus
Taxonomy
Archaeocothurnus was named by Sumrall et al. (1997) [Sepkoski's age data: Cm uMid Cm Trep]. Its type is Cothurnocystis bifida.
It was assigned to Cothurnocystidae by Sumrall et al. (1997) and Lefebvre and Vizcaino (1999).
It was assigned to Cothurnocystidae by Sumrall et al. (1997) and Lefebvre and Vizcaino (1999).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Archaeocothurnus Sumrall et al. p. 1098 |
| 1999 | Archaeocothurnus Lefebvre and Vizcaino p. 441 |
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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.
G. †Archaeocothurnus Sumrall et al. 1997
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†Archaeocothurnus bifida Ubaghs and Robison 1988
†Archaeocothurnus goshutensis Sumrall et al. 1997
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. D. Sumrall et al. 1997 | Boot-shaped cothurocystid with very wide marginals, spinal process formed by M3, large glossal; small nodes present on inferior surface of M2 and M'2. |