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Alocolytoceras dorcadis
Taxonomy
Ammonites (Lytoceras) dorcadis was named by Meneghini (1875).
It was recombined as Lytoceras dorcadis by Guex (1972); it was recombined as Alocolytoceras dorcadis by Bourillot et al. (2008).
It was recombined as Lytoceras dorcadis by Guex (1972); it was recombined as Alocolytoceras dorcadis by Bourillot et al. (2008).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1875 | Ammonites (Lytoceras) dorcadis Meneghini p. 107 figs. Pl 21, fig 1 |
| 1972 | Lytoceras dorcadis Guex figs. Pl 7, fig 7 |
| 2008 | Alocolytoceras dorcadis Bourillot et al. p. 600 figs. Pl 1, figs 1-3; text-fig 3 |
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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.
†Alocolytoceras dorcadis Meneghini 1875
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 7 | 10.9 | 4.30 | 25.9 | 10.4 | 7.36 | |
| shell diameter | 7 | 27.7 | 10.8 | 62.7 | 28.1 | 17.3 | |
| shell inflation | 7 | 9.22 | 4.30 | 21.8 | 8.40 | 6.15 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Middle Toarcian to the top of the Late/Upper Toarcian or 182.90000 to 174.70000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Toarcian | France | Lytoceras dorcadis (210830) | |
| Bifrons | Morocco | Alocolytoceras dorcadis (97995) | |
| Bifrons | France | Lytoceras dorcadis (170429) | |
| Bifrons | Italy | Alocolytoceras dorcadis (145323 147042) | |
| Middle Toarcian - Late/Upper Toarcian | Morocco (Taza-Al Hoceima-Taounate) | Alocolytoceras dorcadis (234054) |