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Petasmatherus mundus
Taxonomy
Petasmatherus mundus was named by Cooper and Grant (1976). Its type specimen is USNM 153472a, a shell (Articulated shell), and it is not a trace fossil.
Synonymy list
Year | Name and author |
---|---|
1975 | Petasmatherus mundus Cooper and Grant p. 1930 figs. Pl 540, figs 15-25 |
1976 | Petasmatherus mundus Cooper and Grant p. 1930 figs. Pl 540, figs 15-25 |
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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 mundus Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 3 | 3.06 | 2.80 | 3.40 | 3.00 | 0.306 |
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Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Aberhan et al. 2004, Nesnidal et al. 2013 |
Age range: base of the Artinskian to the top of the Kungurian or 290.10000 to 272.30000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Artinskian | USA (Texas) | Petasmatherus mundus (43600) | |
Kungurian | USA (Texas) | Petasmatherus mundus (43504) |