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Ophionautilus schwalmi
Taxonomy
Nautilus schwalmi was named by Prinz (1906).
It was recombined as Cenoceras schwalmi by Kummel (1956); it was recombined as Ophionautilus schwalmi by Rulleau (2008).
It was recombined as Cenoceras schwalmi by Kummel (1956); it was recombined as Ophionautilus schwalmi by Rulleau (2008).
Synonymy list
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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.
†Ophionautilus schwalmi Prinz 1906
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 73.1 | 42.0 | 112.0 | 83.0 | 35.2 | |
| shell diameter | 3 | 136.1 | 80.0 | 210.0 | 150.0 | 65.1 | |
| shell inflation | 3 | 28.5 | 17.0 | 44.0 | 31.0 | 13.5 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Late/Upper Toarcian to the top of the Thouarsense or 180.40000 to 174.70000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Variabilis | France | Ophionautilus schwalmi (167411) | |
| Late/Upper Toarcian | France | Ophionautilus schwalmi (167452) | |
| Thouarsense | France | Ophionautilus schwalmi (167410) |