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Petasmatherus nitidus
Taxonomy
Petasmatherus nitidus was named by Cooper and Grant (1976). Its type specimen is USNM 154884h, a shell (Articulated shell), and it is not a trace fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Petasmatherus nitidus Cooper and Grant p. 1931 figs. Pl 540, figs 26-55 |
| 1976 | Petasmatherus nitidus Cooper and Grant p. 1931 figs. Pl 540, figs 26-55 |
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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 nitidus Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 11 | 3.48 | 1.60 | 5.60 | 4.20 | 1.45 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||