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Utoceras
Taxonomy
Utoceras was named by Ulrich et al. (1943) [Sepkoski's age data: O Aren].
It was assigned to Piloceratidae by Ulrich et al. (1943), Teichert et al. (1964), Crick (1981); and to Endocerida by Sepkoski (2002).
It was assigned to Piloceratidae by Ulrich et al. (1943), Teichert et al. (1964), Crick (1981); and to Endocerida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1943 | Utoceras Ulrich et al. |
| 1964 | Utoceras Teichert et al. p. 172 |
| 1981 | Utoceras Crick p. 226 |
| 2002 | Utoceras 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. †Utoceras Ulrich et al. 1943
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†Utoceras coloradense Ulrich et al. 1943
†Utoceras gleneyriense Ulrich et al. 1943
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Dapingian to the top of the Late/Upper Ordovician or 471.30000 to 443.10000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Dapingian | USA (Colorado) | U. coloradense (189228) U. gleneyriense (189286) U. sp. (189279) | |
| Late/Upper Ordovician | USA (Colorado) | U. leuromurale, U. gleneyriense (216974) |