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Eulytoceras anisoptychum
Taxonomy
Lytoceras anisoptychum was named by Uhlig (1883) [DISTRIBUTION: Aptian; Europe.]. It is not a trace fossil.
It was recombined as Eulytoceras anisoptychum by Cecca et al. (1998) and Landra et al. (2000).
It was recombined as Eulytoceras anisoptychum by Cecca et al. (1998) and Landra et al. (2000).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Lytoceras anisoptychum Uhlig p. 190 figs. pl. 4, fig. 7 |
| 1998 | Eulytoceras anisoptychum Cecca et al. p. 68 figs. Pl 1, figs 17,18 |
| 2000 | Eulytoceras anisoptychum Landra et al. p. 35 |
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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.
†Eulytoceras anisoptychum Uhlig 1883
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 11.0 | 10.0 | 12.0 | 11.0 | 1.41 | |
| shell diameter | 2 | 33.5 | 32.0 | 35.0 | 33.5 | 2.12 | |
| shell inflation | 2 | 15.0 | 15.0 | 15.0 | 15.0 | - |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Hauterivian or 136.40000 to 121.40000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Hauterivian | Italy | Eulytoceras anisoptychum (168437 168439) | |
| Barremian | Spain (Jaen) | Eulytoceras anisoptychum (2273 2275 2276) | |
| Barremian | Spain (Murcia) | Eulytoceras anisoptychum (2304 2325 2335 2349 2362 2364) | |
| Early/Lower Aptian | Italy | Eulytoceras anisoptychum (82835) |