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Pennoceras
Taxonomy
Pennoceras was named by Miller and Unklesbay (1942) [Sepkoski's age data: C Step-u]. It is not extant.
It was assigned to Goniatitida by Sepkoski (2002); and to Wiedeyoceratidae by Korn (2006), Furnish et al. (2009).
It was assigned to Goniatitida by Sepkoski (2002); and to Wiedeyoceratidae by Korn (2006), Furnish et al. (2009).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1942 | Pennoceras Miller and Unklesbay |
| 2002 | Pennoceras Sepkoski |
| 2006 | Pennoceras Korn |
| 2009 | Pennoceras Furnish et al. p. 120 |
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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. †Pennoceras Miller and Unklesbay 1942
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†Pennoceras seamani Miller and Unklesbay 1942
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Missourian to the top of the Virgilian or 306.00000 to 298.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kasimovian | USA (Oklahoma) | P. sp. (217432) | |
| Missourian | USA (Ohio) | P. seamani (175213) | |
| Virgilian | USA (Kansas) | P. sp. (44351) |