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Ligeiceras inornatum
Taxonomy
Nautilus inornatus was named by d'Orbigny (1843). Its type specimen is MNHN.F.B48600 and is a 3D body fossil.
It was recombined as Cenoceras inornatus by Kummel (1956) and Enay et al. (1994); it was recombined as Ligeiceras inornatum by Barroso-Barcenilla (2011).
It was recombined as Cenoceras inornatus by Kummel (1956) and Enay et al. (1994); it was recombined as Ligeiceras inornatum by Barroso-Barcenilla (2011).
Synonymy list
| Year | Name and author |
|---|---|
| 1843 | Nautilus inornatus d'Orbigny |
| 1914 | Nautilus inornatus Pia p. 71 figs. Pl 9, fig 15 |
| 1956 | Cenoceras inornatus Kummel p. 376 figs. Pl 5, figs 1,2 |
| 1994 | Cenoceras inornatus Enay et al. p. 28 |
| 2011 | Ligeiceras inornatum Barroso-Barcenilla p. 396 figs. Pl 1, figs G-I; pl 2, figs A,B |
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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.
†Ligeiceras inornatum d'Orbigny 1843
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 43.2 | 37.0 | 50.7 | 43.0 | 6.87 | |
| shell diameter | 3 | 77.0 | 64.5 | 89.7 | 79.0 | 12.6 | |
| shell inflation | 3 | 13.0 | 9.80 | 15.5 | 14.5 | 3.04 |
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| Source: f = family, o = order, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009, Kiessling 2003 | |||||
Age range: base of the Falciferum to the top of the Bajocian or 183.00000 to 168.30000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Falciferum | Portugal | Ligeiceras inornatum (171068) | |
| Falciferum | Spain | Ligeiceras inornatum (171067) | |
| Bifrons | Spain | Ligeiceras inornatum (171066) | |
| Bajocian | United Kingdom | Cenoceras inornatus (170326) |