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Calycoceras choffati
Taxonomy
Acanthoceras choffati was named by Kossmat (1897).
It was recombined as Calycoceras (Gentoniceras) choffati by Thomel (1972); it was recombined as Calycoceras choffati by Juignet and Kennedy (1976).
It was recombined as Calycoceras (Gentoniceras) choffati by Thomel (1972); it was recombined as Calycoceras choffati by Juignet and Kennedy (1976).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1897 | Acanthoceras choffati Kossmat p. 12 figs. pl. 4, figure 1 a-b |
| 1972 | Calycoceras (Gentoniceras) choffati Thomel p. 70 figs. pl. 22, figures 1,2, 3, 11, pl. 23, figures 3-5 |
| 1976 | Calycoceras choffati Juignet and Kennedy pp. 108 - 109 figs. Pl. 23, figure 2 a-b ; Pl. 25, figure 1 a-c ; Pl. 26, figure 2a-b |
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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.
†Calycoceras choffati Kossmat 1897
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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, Kiessling 2003 | |||||
Age range: Cenomanian or 100.50000 to 93.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian | France (Normandie) | Calycoceras choffati (230777 230797) |