Kinosternoidea
| Kinosternoidea | |
|---|---|
 |
|
| Common musk turtle a species of the Kinosternoidea superfamily | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Testudines |
| Suborder: | Cryptodira |
| Clade: | Americhelydia |
| Superfamily: |
Kinosternoidea Joyce, Parham, and Gauthier 2004 |
| Families | |
Kinosternoidea is a superfamily of aquatic turtles, which included two families: Dermatemydidae, and Kinosternidae.
These are nowadays usually considered independent families of the Trionychia, among which they represent very plesiomorphic members which share a few peculiarly advanced traits. These apomorphies coupled with the overall "primitiveness" was what misled scientists as to their actual relationships.
The entirely unrelated big-headed turtle (Platysternon megacephalum) was previously included in classification.
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