Genus: Omosaurus LEIDY, 1856 (nomen dubium)
Etymology:

Species: perplexus LEIDY, 1856 (nomen dubium)
Etymology:

Holotype:

Locality: "Coal fields of Chatham County, North Carolina."

Horizon:

Biostratigraphy:

Age: Carnian Stage, Late Triassic Epoch, Late Triassic.

Material: Vertebrae, teeth and a dermal plate.