Genus: Eohyosaurus BUTLER, EZCURRA, MONTEFELTRO, SAMATHI, & SOBRAL,
Etymology: Greek, eos, "early, dawn," Greek, hyos, "pig, hog" and Greek, sauros, "lizard"; in reference to teh common description of rhynchosaurs as "pig-reptiles" and the early stratigraphical occurrence of the new taxon.
wolvaardti BUTLER, EZCURRA, MONTEFELTRO,
SAMATHI, & SOBRAL, 2015
Etymology: In hnor of Frederik Petrus Wolvaardt, who discovered the type adn only know specimen in December, 2000. The name is therefore intended to translate as "Wolvaardt' s early pig-reptile."
Locality: Farm Lemoenfontein 44, Rouxville District, Free State Provine, South Africa.
Horizon: Burgersdorp Formation, Beaufort Group, Karoo Supergroup.
Biostratigraphy: Cynognathus Assemblage Zone.
Age: Early Anisian Stage, Lower Mid Triassic epoch, Middle Triassic.
Material: Partial skull missing the anterior end, with associated incomplete lower jaw.