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Ceratosphinctes
Taxonomy
Simosphinctes (Ceratosphinctes) was named by Ziegler (1959). It is not extant. Its type is Ammonites rachistrophus.
It was reranked as Ceratosphinctes by Olóriz and Villaseñor (2006).
It was assigned to Simosphinctes by Ziegler (1959); and to Idioceratinae by Olóriz and Villaseñor (2006).
It was reranked as Ceratosphinctes by Olóriz and Villaseñor (2006).
It was assigned to Simosphinctes by Ziegler (1959); and to Idioceratinae by Olóriz and Villaseñor (2006).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1959 | Simosphinctes (Ceratosphinctes) Ziegler |
| 2006 | Ceratosphinctes Olóriz and Villaseñor p. 256 |
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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.
G. †Ceratosphinctes Ziegler 1959
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†Ceratosphinctes rachistrophus Gemmellaro 1872
†Ceratosphinctes septenarius Quenstedt 1858
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 9.64 | 6.00 | 15.5 | 10.8 | 6.72 | |
| shell diameter | 2 | 39.6 | 25.2 | 62.2 | 43.7 | 26.2 | |
| shell inflation | 2 | 23.7 | 15.3 | 36.8 | 26.0 | 15.2 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Kimmeridgian or 157.30000 to 152.10000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kimmeridgian | Mexico (San Luis Potosí) | C. rachistrophus (114686) |