Species: powelli KETCHUM & BENSON, 2022
Etymology: In honor of H. Philip Powell, former Assitant Curator at the Oxford Univeristy Museum of Natural History.
Holotype: OUMNH PAL-J.2247
Locality: Gravel pit near Yarnton, Oxfordshire, England, Southern United Kingdom.
Horizon: Peterborough Member, Oxford Clay Formation, Ancholme Group.
Biostratigraphy: Kosmoceras jason zone.
Age: Middle Callovian Stage, Late Dogger Epoch, Late Middle Jurassic.
Material: Skull and nearly complete skeleton.