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Ceratosphinctes rachistrophus
Taxonomy
Ammonites rachistrophus was named by Gemmellaro (1872). It is the type species of Simosphinctes (Ceratosphinctes).
It was recombined as Ceratosphinctes rachistrophus by Olóriz and Villaseñor (2006).
It was recombined as Ceratosphinctes rachistrophus by Olóriz and Villaseñor (2006).
Synonymy list
| Year | Name and author |
|---|---|
| 1872 | Ammonites rachistrophus Gemmellaro |
| 2006 | Ceratosphinctes rachistrophus 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.
†Ceratosphinctes rachistrophus Gemmellaro 1872
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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) | Ceratosphinctes rachistrophus (114686) |