| Named By: | Fraas in 1913 |
| Time Period: | Unavailable |
| Location: | Germany |
| Size: | Estimated about 50 centimetres |
| Diet: | Uncertain |
| Fossil(s): | Partial remains including the shell |
| Classification: | | Chordata | Reptilia | Anapasida | Testudines | Pleurodira | Proterochersidae | |
| Also known as: | | Chelytherium obscurum | |
Proterochersidae is an extinct family of turtles in the Testudinata superfamily. It contains one genus, Proterochersis, which contains only one species, Proterochersis robusta.