Genus: Lamiasaura LONGRICH, BHULLAR & GAUTHIER, 2013b
Etymology: Lamia, a fierce demon from Greek mythology, in reference to the wicked appearance of the teeth and Greek, saurus, "lizard."
= Lamiasaurus LONGRICH, BHULLAR & GAUTHIER, 2013a non WATSON, 1914 (Lamiasaurus newtoni, Eotheriodontia, Deuterosauroidea, Incertae sedis)
Etymology: Lamia, a fierce demon from Greek mythoogy, in reference to the wicked appearance of the teeth and Greek, saurus, "lizard."

Species: ferox (LONGRICH, BHULLAR & GAUTHIER, 2013a) LONGRICH, BHULLAR & GAUTHIER, 2013b
= Lamiasaurus ferox LONGRICH, BHULLAR & GAUTHIER, 2013a
Etymology: Greek, ferox, "fierce."

Holotype: UW 25116A

Locality: UW V-79032, Sweetwater County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Fragmentary left dentary.