| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Psephosaurus
Taxonomy
Psephosaurus was named by Fraas (1896) [Sepkoski's age data: Tr Anis-l Tr Rhae Sepkoski's reference number: 2,940].
It was assigned to Nothosauria by Fraas (1896); to Cyamodontidae by Carroll (1988); to Placochelyidae by Kuhn (1971), Rieppel (2000); and to Placodontia by Sepkoski (2002).
It was assigned to Nothosauria by Fraas (1896); to Cyamodontidae by Carroll (1988); to Placochelyidae by Kuhn (1971), Rieppel (2000); and to Placodontia by Sepkoski (2002).
Species
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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: subo = suborder, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988, Bush and Bambach 2015, Kiessling 2004 | |||||
Age range: base of the Illyrian to the top of the Longobardian or 243.33000 to 237.00000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Anisian | Israel | P. sp. (63939) | |
| Illyrian | Israel | P. spp. (63945) | |
| Longobardian | Türkiye | P. sp. (120903) | |
| Longobardian | Germany (Baden-Württemberg) | P. suevicus (106357) |