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Bicornella
Taxonomy
Bicornella was named by Coryell and Cuskley (1934) [Sepkoski's age data: D Gedi D Fras-m Sepkoski's reference number: 2]. It is not extant.
It was assigned to Aechminellidae by Benson et al. (1961); and to Palaeocopida by Sepkoski (2002).
It was assigned to Aechminellidae by Benson et al. (1961); and to Palaeocopida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1934 | Bicornella Coryell and Cuskley |
| 1961 | Bicornella Benson et al. |
| 2002 | Bicornella Sepkoski |
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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. †Bicornella Coryell and Cuskley 1934
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Alvarez et al. 2008 | |||||
Age range: base of the Pridoli to the top of the Lochkovian or 422.70000 to 413.02000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pridoli - Lochkovian | USA (Oklahoma) | B. tricornis, B. unicornis (26826) |