Tylocephalonyx

Tylocephalonyx
Temporal range: Miocene,
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Perissodactyla
Family: Chalicotheriidae
Subfamily: Schizotheriinae
Genus: Tylocephalonyx
Coombs, 1979
Species:
T. skinneri
Binomial name
Tylocephalonyx skinneri
Coombs, 1979

Tylocephalonyx, from Ancient Greek τύλος (túlos), meaning "knob", κέφαλος (képhalos), meaning "head", and ὄνυξ (ónux), meaning "claw/hoof", is an extinct chalicothere from the Miocene of North America.