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Peruvispira umariensis
Taxonomy
Pleurotomaria umariensis was named by Reed (1928). It is a 3D body fossil.
It was recombined as Ptychomphalina umariensis by Dickins (1957); it was recombined as Peruvispira umariensis by Dickins (1963).
It was recombined as Ptychomphalina umariensis by Dickins (1957); it was recombined as Peruvispira umariensis by Dickins (1963).
Synonymy list
| Year | Name and author |
|---|---|
| 1928 | Pleurotomaria umariensis Reed p. 389 figs. pl. 34 f. 12; pl. 35 f. 11-13 |
| 1957 | Ptychomphalina umariensis Dickins p. 47 figs. Pl 9, figs 1-5 |
| 1959 | Pleurotomaria umariensis Sahni and Dutt p. 664 figs. Pl 25, fig 4 |
| 1963 | Peruvispira umariensis Dickins pp. 126 – 127 figs. pl. 24 f. 7-8 |
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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.
†Peruvispira umariensis Reed 1928
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 8 | 11.3 | 7.00 | 47.3 | 10.2 | 13.5 |
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| Source: f = family, o = order | |||||
| References: Bambach et al. 2007, Hendy 2009 | |||||
Age range: base of the Asselian to the top of the Changhsingian or 298.90000 to 251.90200 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | India | Pleurotomaria umariensis (116800) | |
| Sakmarian | Australia (Western Australia) | Peruvispira umariensis (85845 107347) Ptychomphalina umariensis (87352 107312) | |
| Changhsingian | Russian Federation | Peruvispira umariensis (102096) |