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Cenoceras majesticum
Taxonomy
Cenoceras majesticum was named by Rulleau (2008). Its type specimen is PF Aal 234, a shell, and it is a 3D body fossil. Its type locality is Belmont d’Azergues (Lafarge quarry), Lower Aalenian (opalinum Zone), which is in an Aalenian marine limestone/sandstone in France.
Synonymy list
| Year | Name and author |
|---|---|
| 2008 | Cenoceras majesticum Rulleau p. 44 figs. Pl 15, figs 2,3; pl 16, fig 1; pl 17, fig 1; text-fig 8/5 |
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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.
†Cenoceras majesticum Rulleau 2008
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 67.9 | 22.0 | 110.0 | 105.0 | 40.4 | |
| shell diameter | 5 | 114.4 | 41.0 | 190.0 | 152.0 | 64.2 | |
| shell inflation | 5 | 11.9 | 5.00 | 20.0 | 15.0 | 6.27 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Opalinum or 175.60000 to 171.60000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Aalenian | France (Rhone) | Cenoceras majesticum (type locality: 140481) | |
| Opalinum | France | Cenoceras majesticum (167445) |