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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Osperleioceras (Osperleioceras) rivierense
Taxonomy
Pseudolioceras rivierense was named by Monestier (1921).
It was recombined as Osperleioceras (Osperleioceras) rivierense by Bécaud (2006).
It was recombined as Osperleioceras (Osperleioceras) rivierense by Bécaud (2006).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1921 | Pseudolioceras rivierense Monestier p. 31 figs. Pl 2, figs 2,3; pl 4, fig 29 |
| 2006 | Osperleioceras (Osperleioceras) rivierense Bécaud p. 72 figs. Pl 15, fig 3; pl 23, fig 3-5; pl 28, fig 2 |
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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.
†Osperleioceras (Osperleioceras) rivierense Monestier 1921
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 14.0 | 11.5 | 17.5 | 14.0 | 2.39 | |
| shell diameter | 5 | 26.6 | 23.5 | 32.0 | 26.0 | 3.51 | |
| shell inflation | 5 | 4.87 | 4.00 | 5.50 | 5.00 | 0.548 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Thouarsense or 180.10000 to 175.60000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Thouarsense | France (Vendée) | Osperleioceras rivierense (147214 147215) |