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Propinacoceras beyrichi
Taxonomy
Propinacoceras beyrichi was named by Gemmellaro (1887).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1887 | Propinacoceras beyrichi Gemmellaro p. 54 figs. Pl 5, figs 12-15; pl 7, figs 29,30 |
| 1930 | Propinacoceras beyrichi de Gregorio p. 13 |
| 1933 | Propinacoceras americanum Miller and Warren p. 297 figs. 1-3 |
| 1977 | Propinacoceras beyrichi Nassichuk p. 564 figs. Pl 1, figs 1-3; text-fig 2 |
| 1983 | Propinacoceras beyrichi Sheng and Liu p. 241 figs. Pl 20, figs 3-6; text-fig 4 |
| 1988 | Propinacoceras beyrichi Vasicek and Kullmann p. 110 figs. Pl 2, fig 9; text-fig 5C |
| 1989 | Propinacoceras beyrichi Sheng p. 328 figs. Pl 2, figs 11-13; text-fig 2 |
| 2002 | Propinacoceras americanum Leonova |
| 2002 | Propinacoceras beyrichi Leonova |
| 2017 | Propinacoceras beyrichi Zhou p. 29 figs. 16.6-16.13, 18.1 |
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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.
†Propinacoceras beyrichi Gemmellaro 1887
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Invalid names: Propinacoceras americanum Miller and Warren 1933 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 12 | 14.1 | 6.90 | 31.0 | 13.0 | 7.98 | |
| shell diameter | 12 | 24.5 | 10.7 | 56.0 | 22.0 | 13.8 | |
| shell inflation | 12 | 0.015 | 0.001 | 1.50 | 0.001 | 0.707 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Roadian to the top of the Wuchiapingian or 274.40000 to 254.14000 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian | China (Xizang) | Propinacoceras beyrichi (117564) | |
| Roadian | Oman | Propinacoceras beyrichi (82198 82199 102386 102387 102388) | |
| Wordian | Iraq (Arbil) | Propinacoceras beyrichi (82851) | |
| Wordian | Canada (British Columbia) | Propinacoceras americanum (62320) | |
| Wordian | China (Jilin) | Propinacoceras affine (107783) | |
| Wordian | China (Guizhou) | Propinacoceras beyrichi (185584) | |
| Wordian | Italy | Propinacoceras beyrichi (108566 108567 108671 233340) | |
| Wuchiapingian | China (Xizang) | Propinacoceras beyrichi (117571) |