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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Tarphyceras extensum
Taxonomy
Tarphyceras extensum was named by Hyatt (1894).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1894 | Tarphyceras extensum Hyatt p. 438 |
| 1942 | Tarphyceras extensum Ulrich et al. |
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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.
†Tarphyceras extensum Hyatt 1894
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: Jeffersonian or 486.85000 to 471.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Jeffersonian | Canada (Newfoundland and Labrador) | Tarphyceras extensum (98438) |