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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Pseudocrassiceras bayani
Taxonomy
Ammonites bayani was named by Dumortier (1874). It is not extant.
It was recombined as Pseudomercaticeras bayani by Guex (1972); it was recombined as Gruneria bayani by Gabilly (1976); it was recombined as Pseudocrassiceras bayani by Benzaggagh et al. (2022).
It was recombined as Pseudomercaticeras bayani by Guex (1972); it was recombined as Gruneria bayani by Gabilly (1976); it was recombined as Pseudocrassiceras bayani by Benzaggagh et al. (2022).
Synonymy list
| Year | Name and author |
|---|---|
| 1874 | Ammonites bayani Dumortier p. 69 figs. Pl 16, figs 7-9 |
| 1972 | Pseudomercaticeras bayani Guex figs. Pl 4, fig 4 |
| 1976 | Gruneria bayani Gabilly p. 176 |
| 2022 | Pseudocrassiceras bayani Benzaggagh et al. p. 19 fig. 14A |
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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.
†Pseudocrassiceras bayani Dumortier 1874
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 22.4 | 11.6 | 43.4 | 27.5 | 22.5 | |
| shell diameter | 2 | 52.8 | 28.0 | 99.5 | 63.8 | 50.6 | |
| shell inflation | 2 | 15.6 | 8.50 | 28.5 | 18.5 | 14.1 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Levesquei or 182.00000 to 175.60000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Levesquei | France (Deux-Sèvres) | Gruneria bayani (149054) | |
| Variabilis | France | Pseudomercaticeras bayani (170461) | |
| Variabilis | Morocco | Pseudocrassiceras bayani (228355) | |
| Variabilis | Spain | Pseudomercaticeras bayani (126492 126494 126495 126501) |