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Fremontoceras
Taxonomy
Fremontoceras was named by Foerste (1935) [Sepkoski's age data: O Cara-m O Ashg Sepkoski's reference number: 298,524].
It was assigned to Apsidoceratidae by Teichert et al. (1964), Crick (1981); and to Barrandeocerida by Flower (1952), Sepkoski (2002).
It was assigned to Apsidoceratidae by Teichert et al. (1964), Crick (1981); and to Barrandeocerida by Flower (1952), Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1935 | Fremontoceras Foerste p. 89 |
| 1952 | Fremontoceras Flower p. 57 |
| 1964 | Fremontoceras Teichert et al. p. 382 |
| 1981 | Fremontoceras Crick p. 229 |
| 2002 | Fremontoceras 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. †Fremontoceras Foerste 1935
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†Fremontoceras giganteum Flower 1952
†Fremontoceras jewetti Flower 1947
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Soudleyan - Longvillian | United Kingdom (Northern Ireland) | F. jewetti (13840) | |
| Mohawkian | USA (New York) | F. jewetti (172145) | |
| Shermanian - Edenian | Canada (Quebec) | F. giganteum (89112) | |
| Rocklandian - Kirkfieldian | United Kingdom (Northern Ireland) | F. jewetti (89153) | |
| Richmondian - Gamachian | Canada (Manitoba) | F. loperi (23024) |