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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Pseudorthoceras stonense
Taxonomy
Pseudorthoceras stonense was named by Gordon (1964). Its type specimen is USNM 119023, a shell, and it is a 3D body fossil. Its type locality is USGS 15062, Pleasant Grove, which is in an Arnsbergian marine shale in the Pitkin Formation of Arkansas.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1964 | Pseudorthoceras stonense Gordon p. 111 figs. Pl 5, figs 18,21-26 |
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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.
†Pseudorthoceras stonense Gordon 1964
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: Arnsbergian or 327.00000 to 323.70000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arnsbergian | USA (Arkansas) | Pseudorthoceras stonense (157867 157941 157942 type locality: 157943) |