| Protochelydra Temporal range:
| |
|---|---|
Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Testudines |
| Suborder: | Cryptodira |
| Family: | Chelydridae |
| Genus: | †Protochelydra Erickson 1973 |
| Species | |
|
†Protochelydra zangerli | |
Protochelydra zangerli is an extinct species of turtle (chelydid) in the extinct genus Protochelydra of Chelydridae.12
References
References
- Erickson, B. R. (1973). "A new chelydrid turtle Protochelydra zangerli from the late Paleocene of North America". Sci. Publ. Sci. Mus. Minn. N.S. 2 (2): 1–16.
- Danilov, G.; Parham, J. F. (2008). "A reassessment of some poorly known turtles from the Middle Jurassic of China, with comments on the antiquity of extant turtles" (PDF). Journal of Vertebrate Paleontology. 28 (2): 306–318. doi:10.1671/0272-4634(2008)28[306:AROSPK]2.0.CO;2.