Trionychia
Trionychia is a superfamily of turtles which encompasses the species that are commonly referred to as softshelled turtles as well as some others. They are found throughout the temperate regions of the world. The Jurassic genus Sinaspideretes is considered the earliest representative of the superfamily.[2]
| Trionychia | |
|---|---|
 | |
| The spiny softshell turtle a species of the Trionychia superfamily | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Testudines |
| Suborder: | Cryptodira |
| Clade: | Polycryptodira |
| Superfamily: | Trionychia Hummel, 1929[1] |
| Families | |
|
Carettochelyidae | |
| Synonyms | |
| |
Systematics
Except for those not assigned to a family, only living genera are listed here.
- Family Carettochelyidae
- Subfamily Carettochelyinae
- Genus Carettochelys
- Subfamily Carettochelyinae
- Family Trionychidae
- Subfamily Plastomeninae [3] (fossil)
- Subfamily Cyclanorbinae
- Genus Cyclanorbis
- Genus Cycloderma
- Genus Lissemys
- Subfamily Trionychinae
- Genus Amyda
- Genus Apalone
- Genus Chitra
- Genus Dogania
- Genus Nilssonia
- Genus Palea
- Genus Pelochelys
- Genus Pelodiscus
- Genus Rafetus
- Genus Trionyx
The eastern mud turtle (Kinosternon subrubrum) is a primitive relative of the true softshells which still has a typical hard turtle shell
References
- Rhodin 2011, p. 000.204
- Ouyang, Hui; Li, Lu; Tong, Haiyan (July 2014). "A revision of Sinaspideretes wimani Young & Chow, 1953 (Testudines: Cryptodira: Trionychoidae) from the Jurassic of the Sichuan Basin, China". Geological Magazine. 151 (4): 600–610. doi:10.1017/S0016756813000575. ISSN 0016-7568.
- One or more basal lineages formerly believed to be a distinct family
- Bibliography
- Rhodin, Anders G.J.; van Dijk, Peter Paul; Inverson, John B.; Shaffer, H. Bradley; Roger, Bour (2011-12-31). "Turtles of the world, 2011 update: Annotated checklist of taxonomy, synonymy, distribution and conservation status" (PDF). Chelonian Research Monographs. 5. Archived from the original (PDF) on 2012-01-22.
External links
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