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Alocolytoceras ophioneum
Taxonomy
Ammonites ophioneus was named by Benecke (1865).
It was recombined as Audaxlytoceras ophioneum by Pallini et al. (2004); it was recombined as Alocolytoceras ophioneum by Bourillot et al. (2008).
It was recombined as Audaxlytoceras ophioneum by Pallini et al. (2004); it was recombined as Alocolytoceras ophioneum by Bourillot et al. (2008).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Ammonites ophioneus Benecke p. 172 figs. Pl 6, fig 5 |
| 1881 | Ammonites (Lytoceras) catriensis Meneghini p. 108 figs. Pl 20, fig 4 |
| 2004 | Audaxlytoceras ophioneum Pallini et al. p. 7 figs. pl. 1, fig. 7; pl. 2, fig. 5; pl.14, fig. 1; pl.15, figs.6-7 |
| 2008 | Alocolytoceras ophioneum Bourillot et al. p. 601 figs. Pl 1, figs 4-12 |
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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 ophioneum Benecke 1865
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Invalid names: Ammonites (Lytoceras) catriensis Meneghini 1881 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 7 | 14.3 | 8.90 | 25.0 | 15.0 | 5.62 | |
| shell diameter | 7 | 31.7 | 17.0 | 53.0 | 35.0 | 12.7 | |
| shell inflation | 7 | 12.0 | 6.90 | 23.0 | 12.1 | 5.69 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Levesquei to the top of the Early/Lower Aalenian or 182.90000 to 170.90000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Levesquei | Morocco | Alocolytoceras ophioneum (145367) | |
| Aalenian | Italy (Sicily) | Audaxlytoceras ophioneum (151229) | |
| Early/Lower Aalenian | Spain | Alocolytoceras ophioneum (71713) | |
| Middle Aalenian | Spain | Alocolytoceras ophioneum (71716) | |
| Murchisonae | Morocco | Alocolytoceras ophioneum (145368) | |
| Opalinum | Spain | Alocolytoceras ophioneum (131826) |