| Kingena(noun, animal, geohistory, extinction) |
| Krauseia(noun, animal, geohistory, extinction) |
| Lambdopsalis(noun, animal, geohistory, extinction) |
| Liotomus(noun, animal, geohistory, extinction) |
| Mesodma(noun, animal, geohistory, extinction) |
| Microcosmodon(noun, animal, geohistory, extinction) |
| Mimetodon(noun, animal, geohistory, extinction) |
| Neoliotomus(noun, animal, geohistory, extinction) |
| Neoplagiaulax(noun, animal, geohistory, extinction) |
| Oxytoma(noun, animal, geohistory, extinction) |
| Pentacosmodon(noun, animal, geohistory, extinction) |
| Pleuraspidotherium(noun, animal, geohistory, extinction) |
| Prionessus(noun, animal, geohistory, extinction) |
| Prodinoceras(noun, animal, geohistory, extinction) |
| Psittacotherium(noun, animal, geohistory, extinction) |
| Purgatorius(noun, animal, geohistory, extinction) |
| Schochia(noun, animal, geohistory, extinction) |
| Sinonyx(noun, animal, geohistory, extinction) |
| Sphenopsalis(noun, animal, geohistory, extinction) |
| Stauranderaster(noun, animal, geohistory, extinction) |