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Curtoceras
Taxonomy
Curtoceras was named by Ulrich et al. (1942) [Sepkoski's age data: O Aren-u O Llde-u Sepkoski's reference number: 298,524]. Its type is Lituites eatoni.
It was assigned to Trocholitidae by Teichert et al. (1964), Crick (1981), Kröger and Landing (2009), Kröger and Aubrechtova (2017).
It was assigned to Trocholitidae by Teichert et al. (1964), Crick (1981), Kröger and Landing (2009), Kröger and Aubrechtova (2017).
Synonymy list
| Year | Name and author |
|---|---|
| 1942 | Curtoceras Ulrich et al. p. 69 |
| 1964 | Curtoceras Teichert et al. p. 360 |
| 1981 | Curtoceras Crick p. 228 |
| 2009 | Curtoceras Kröger and Landing |
| 2017 | Curtoceras Kröger and Aubrechtova |
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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. †Curtoceras Ulrich et al. 1942
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†Curtoceras abditus Kröger and Aubrechtova 2017
†Curtoceras billingsi Foerste 1938
†Curtoceras eatoni Whitfield 1886
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Invalid names: Schroederoceras cassinense Whitfield 1886 [synonym]
†Curtoceras internastriatum Whitfield 1886
†Curtoceras minganense Foerste 1938
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Jeffersonian - Rangerian | Canada (Quebec) | C. minganense (99217) | |
| Cassinian | Canada (Quebec) | C. billingsi (56518) | |
| Cassinian | USA (New York) | C. eatoni (90194) Schroederoceras eatoni, Schroederoceras cassinense (42798 171787) | |
| Cassinian | USA (Vermont) | Schroederoceras eatoni, Schroederoceras cassinense (42793) | |
| Tulean | USA (Nevada) | C. sp. (291 104544) | |
| Arenig | Argentina | C. sp. (8707) | |
| Arenig - Early/Lower Llanvirn | Argentina | C. sp. (8720) | |
| Oretanian | Spain (Toledo) | C. sp. (20898) | |
| Aseri | Estonia | C. teres (56200 56201) | |
| Lasnamagi | Estonia | C. teres (56203) | |
| Early/Lower Llandeilo | Sweden | C. sp. (2939 2940) | |
| Dobrotivian | Spain (Toledo and Cuidad Real) | C. sp. (20893) | |
| Keila | Estonia (Harju) | C. abditus (87273) |