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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Osperleioceras (Pseudopolyplectus) subtile
Taxonomy
Harpoceras subtile was named by Schirardin (1914).
It was recombined as Osperleioceras (Pseudopolyplectus) subtile by Bécaud (2006).
It was recombined as Osperleioceras (Pseudopolyplectus) subtile by Bécaud (2006).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1914 | Harpoceras subtile Schirardin p. 388 figs. Pl 17, figs 24-27 |
| 2006 | Osperleioceras (Pseudopolyplectus) subtile Bécaud p. 71 figs. Pl 31, fig 1 |
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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 (Pseudopolyplectus) subtile Schirardin 1914
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 44.5 | |||||
| shell diameter | 1 | 81.0 | |||||
| shell inflation | 1 | 9.00 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Thouarsense or 180.40000 to 174.70000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Thouarsense | France (Deux-Sevrès) | Osperleioceras subtile (140871) |