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Coeloceras grenouillouxi
Taxonomy
Ammonites grenouillouxi was named by d'Orbigny (1844). It is not extant. Its type specimen is MNHN F R.4097. Its type locality is Les Cottards, nr Saint George de Poisieux, which is in a Pliensbachian marine horizon in France.
It was recombined as Coeloceras grenouillouxi by Schlatter (1980), Donovan and Surlyk (2003).
It was recombined as Coeloceras grenouillouxi by Schlatter (1980), Donovan and Surlyk (2003).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1843 | Ammonites pettos Quenstedt p. 178 |
| 1844 | Ammonites grenouillouxi d'Orbigny |
| 1884 | Aegoceras pettos Gemmellaro |
| 1965 | Coeloceras pettos Bremer |
| 1980 | Coeloceras grenouillouxi Schlatter |
| 1995 | Coeloceras pettos Alkaya and Meister p. 145 figs. Pl 7, fig 5; text-fig 28 |
| 2003 | Coeloceras grenouillouxi Donovan and Surlyk |
| 2003 | Catacoeloceras pettos Wittler and Roth p. 26 |
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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.
†Coeloceras grenouillouxi d'Orbigny 1844
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Invalid names: Aegoceras pettos Quenstedt 1843 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 4.90 | 4.00 | 6.00 | 5.00 | 1.41 | |
| shell diameter | 2 | 18.7 | 14.0 | 25.0 | 19.5 | 7.78 | |
| shell inflation | 2 | 9.17 | 7.00 | 12.0 | 9.50 | 3.54 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Jamesoni or 192.90000 to 184.20000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Sinemurian - Early/Lower Pliensbachian | Türkiye | Coeloceras pettos (218660) | |
| Early/Lower Pliensbachian | France (Centre-Val de Loire) | Ammonites grenouillouxi (type locality: 234368) Coeloceras pettos (234369) | |
| Early/Lower Pliensbachian | Denmark (Bornholm) | Coeloceras grenouillouxi (219923) | |
| Jamesoni | Türkiye | Coeloceras pettos (147303) | |
| Jamesoni | United Kingdom (Dorset) | Coeloceras pettos, Coeloceras grenouillouxi (159187) | |
| Pliensbachian | Austria | Coeloceras pettos (218330) |