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Stearoceras smithi
Taxonomy
Stearoceras smithi was named by Gordon (1964). Its type specimen is LSJU 5590, a shell, and it is a 3D body fossil. Its type locality is Conway County, south of Morrilton, which is in a Bashkirian marine siliciclastic in the Atoka Formation of Arkansas.
Synonymy list
| Year | Name and author |
|---|---|
| 1964 | Stearoceras smithi Gordon p. 150 figs. Pl 12, figs 1-3,7-10; text-fig 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.
†Stearoceras smithi Gordon 1964
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 39.0 | |||||
| shell diameter | 1 | 70.0 | |||||
| shell inflation | 1 | 12.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Morrowan or 323.40000 to 318.60000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Morrowan | USA (Arkansas) | Stearoceras smithi (43205) | |
| Bashkirian | USA (Arkansas) | Endolobus missouriensis (type locality: 158037) |