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Petasmatherus opulus
Taxonomy
Petasmatherus opulus was named by Cooper and Grant (1969). Its type specimen is USNM 148305a, a shell (Articulated shell), and it is not a trace fossil. It is the type species of Petasmatherus.
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Petasmatherus opulus Cooper and Grant p. 12 figs. Pl 2, figs 8-14 |
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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 opulus Cooper and Grant 1969
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 11 | 2.01 | 1.00 | 3.60 | 2.30 | 0.885 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian | USA (Texas) | Petasmatherus opulus (43518 43548 43551 43553 81515 81722 101767 102602 102614 105887 105932 106021) | |
| Wordian | USA (Texas) | Petasmatherus opulus (43526 43550 43557 81636 105934) |