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Petasmatherus pumilus
Taxonomy
Petasmatherus pumilus was named by Cooper and Grant (1976). Its type specimen is USNM 148061e, a shell (Articulated shell), and it is not a trace fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Petasmatherus pumilus Cooper and Grant p. 1933 figs. Pl 521, figs 10-21; pl 541, figs 31-58 |
| 1976 | Petasmatherus pumilus Cooper and Grant p. 1933 figs. Pl 521, figs 10-21; pl 541, figs 31-58 |
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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.
†Petasmatherus pumilus Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 7 | 2.22 | 1.10 | 5.00 | 2.50 | 1.49 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian | USA (Texas) | Petasmatherus pumilus (43517 102623 106165) | |
| Roadian | USA (Texas) | Petasmatherus pumilus (43518 43554 43563 43613 44242 44749 101783 101805 102603 102604 102615 102621 105874 106109) |