| Osonachelus Temporal range: | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Testudines |
| Suborder: | Cryptodira |
| Superfamily: | Chelonioidea |
| Family: | Cheloniidae |
| Genus: | † Osonachelus De Lapparent de Broin et. al., 2014 |
Osonachelus is an extinct genus of cheloniid turtle that lived in Catalonia during the Bartonian. It is a monotypic genus known from a single species, O. decorata. [1]