| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Ptychodesma
Taxonomy
Ptychodesma was named by Hall and Whitfield (1872) [Sepkoski's age data: O u D Give-l Sepkoski's reference number: 1066].
It was assigned to Cyrtodontidae by Vokes (1980); to Arcoida by Sepkoski (2002); and to Ptychodesmatinae by Bouchet et al. (2010).
It was assigned to Cyrtodontidae by Vokes (1980); to Arcoida by Sepkoski (2002); and to Ptychodesmatinae by Bouchet et al. (2010).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1872 | Ptychodesma Hall and Whitfield |
| 1980 | Ptychodesma Vokes p. 11 |
| 2002 | Ptychodesma Sepkoski |
| 2010 | Ptychodesma Bouchet et al. |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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