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Rayonnoceras protentum
Taxonomy
Rayonnoceras protentum was named by Gordon (1964). Its type specimen is USNM 119000, a shell, and it is a 3D body fossil. Its type locality is Loc. 1. USGS 14369. Road cut on se side US 65, 0.8 km sw of Peyton Creek Bridge, which is in a Serpukhovian offshore grainstone/shale in the Imo Formation of Arkansas.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1964 | Rayonnoceras protentum Gordon p. 97 figs. Pl 1, figs 19,20,21-24 |
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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.
†Rayonnoceras protentum Gordon 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: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: Arnsbergian or 326.90000 to 323.60000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Serpukhovian | USA (Arkansas) | Rayonnoceras protentum (type locality: 5517) | |
| Arnsbergian | USA (Arkansas) | Rayonnoceras protentum (157881 157941 157943 160557 160558 160559) |