Species: obtusidens WILLISTON, 1916 (nomen dubium)
Etymology: Laitn, obtusus, "blunt" and Latin, dens, "tooth."
Holotype: FMNH 743
Locality: Near Arroyo de Agua in the Rio Puerco Drainage area, north-central New Mexico.
Horizon: Upper Cutler Formation.
Biostratigraphy:
Age: Wolfcampian Stage, Lower Rotliegendes Epoch, Early Permian.
Material: Fragmentary left dentary.
Paratypes:
FMNH 745: 2 crushed skulls.