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Pseudodiscosphinctes geron
Taxonomy
Perisphinctes geron was named by Zittel (1870).
It was recombined as Pseudodiscosphinctes geron by Zeiss et al. (1994).
It was recombined as Pseudodiscosphinctes geron by Zeiss et al. (1994).
Synonymy list
| Year | Name and author |
|---|---|
| 1870 | Perisphinctes geron Zittel |
| 1994 | Pseudodiscosphinctes geron Zeiss et al. p. 371 figs. Pl 3, figs 3,4; pl 4, fig 5; pl 5, fig 2 |
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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.
†Pseudodiscosphinctes geron Zittel 1870
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 38.5 | 30.0 | 53.0 | 38.0 | 11.6 | |
| shell diameter | 4 | 109.7 | 84.0 | 142.0 | 112.0 | 28.8 | |
| shell inflation | 4 | 42.6 | 32.0 | 49.0 | 46.0 | 8.02 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Early/Lower Tithonian or 150.80000 to 145.00000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Tithonian | Italy | Pseudodiscosphinctes geron (184797 184800 184802 184803 184806) |