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Otosphinctes
Taxonomy
Perisphinctes (Otosphinctes) was named by Buckman (1926).
It was Dichotomosphinctes (Otosphinctes) by Collignon (1959); it was reranked as Otosphinctes by Schairer and Schlampp (2003).
It was assigned to Perisphinctes by Buckman (1926); to Dichotomosphinctes by Collignon (1959); and to Perisphinctinae by Schairer and Schlampp (2003).
It was Dichotomosphinctes (Otosphinctes) by Collignon (1959); it was reranked as Otosphinctes by Schairer and Schlampp (2003).
It was assigned to Perisphinctes by Buckman (1926); to Dichotomosphinctes by Collignon (1959); and to Perisphinctinae by Schairer and Schlampp (2003).
Subtaxa
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Perisphinctes (Otosphinctes) Buckman |
| 1959 | Dichotomosphinctes (Otosphinctes) Collignon pp. Pl LXVIII fig. 298 |
| 2003 | Otosphinctes Schairer and Schlampp p. 40 |
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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.
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 14.4 | |||||
| shell diameter | 1 | 48.0 | |||||
| shell inflation | 1 | 24.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Oxfordian or 157.90000 to 154.80000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Oxfordian | Poland | Perisphinctes paturattensis (235871) | |
| Early/Lower Oxfordian | Madagascar (Atsimo-Andrefana) | Dichotomosphinctes jacobi (234151) | |
| Early/Lower Oxfordian | Germany | O. paturattensis (240349) | |
| Early/Lower Oxfordian | France | Perisphinctes crotalinus (12287) Perisphinctes crotalinus, Perisphinctes paturattensis (12286) Perisphinctes paturattensis (12284 12285) | |
| Middle Oxfordian | Spain | Perisphinctes aguilonensis (142574) Perisphinctes nectobrigensis (142575 142577) | |
| Middle Oxfordian | France | Perisphinctes anguiculus, Perisphinctes crotalinus, Perisphinctes siemirazkii (12288) Perisphinctes arkelli (163890 163893) Perisphinctes patturatensis (163891) | |
| Oxfordian | Spain | Perisphinctes paturratensis (142572) Perisphinctes pulvinus, Perisphinctes sp. (67866) Perisphinctes sp. (67867) | |
| Oxfordian - Kimmeridgian | Russian Federation | O. sp. (213006) | |
| Late/Upper Oxfordian | Germany | O. paturattensis (167935) |