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Plummeroceras
Taxonomy
Grypoceras (Plummeroceras) was named by Kummel (1953) [Sepkoski's age data: P Sakm Sepkoski's reference number: 524]. Its type is Grypoceras (Plummeroceras) plummeri.
It was reranked as Plummeroceras by Teichert et al. (1964), Sepkoski (2002), Pérez-Valera et al. (2017), Korn (2025).
It was assigned to Grypoceras by Kummel (1953); to Nautilida by Sepkoski (2002); to Grypoceratidae by Teichert et al. (1964), Pérez-Valera et al. (2017); and to Domatoceratidae by Korn (2025).
It was reranked as Plummeroceras by Teichert et al. (1964), Sepkoski (2002), Pérez-Valera et al. (2017), Korn (2025).
It was assigned to Grypoceras by Kummel (1953); to Nautilida by Sepkoski (2002); to Grypoceratidae by Teichert et al. (1964), Pérez-Valera et al. (2017); and to Domatoceratidae by Korn (2025).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Grypoceras (Plummeroceras) Kummel |
| 1964 | Plummeroceras Teichert et al. p. 436 |
| 2002 | Plummeroceras Sepkoski |
| 2017 | Plummeroceras Pérez-Valera et al. p. 179 |
| 2025 | Plummeroceras Korn p. 38 |
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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.
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 59.0 | |||||
| shell diameter | 1 | 168.0 | |||||
| shell inflation | 1 | 63.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Artinskian or 290.10000 to 283.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | USA (Texas) | Grypoceras plummeri (110988) |