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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Barnesoceras expansum
Taxonomy
Barnesoceras expansum was named by Flower (1964). Its type specimen is RHF 253, a shell, and it is a cast. Its type locality is Threadgill Creek section (272-276 ft above base of Threadgill Mbr.), which is in a Gasconadian shallow subtidal lime mudstone in the Tanyard Formation of Texas.
Synonymy list
| Year | Name and author |
|---|---|
| 1964 | Barnesoceras expansum Flower p. 78 figs. 7-8 Pl. 9; 3, 4, 8, 9 Pl. 12; 15-17 Pl. 13 |
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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.
†Barnesoceras expansum Flower 1964
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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, Aberhan et al. 2004 | |||||
Age range: Gasconadian or 486.85000 to 477.10000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Gasconadian | USA (Texas) | Barnesoceras expansum (type locality: 88805) |