| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sphenodiscinae
Taxonomy
Sphenodiscinae was named by Hyatt (1900).
It was assigned to Sphenodiscidae by Wright et al. (1996) and Ahmad et al. (2015).
It was assigned to Sphenodiscidae by Wright et al. (1996) and Ahmad et al. (2015).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1900 | Sphenodiscinae Hyatt p. 205 |
| 1996 | Sphenodiscinae Wright et al. |
| 2015 | Sphenodiscinae Ahmad et al. p. 247 |
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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
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Late/Upper Maastrichtian or 70.60000 to 66.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Maastrichtian | Senegal | Daradiceras sp., Daradiceras gignouxi (208783) |