Species: dawsonii KERMACK, LEES & MUSSETT, 1965
Etymology: In honor of Mr. Charles Dawson, who was the first man to search deliberately for mammalian teeth in the Wealden.

Holotype: BMNH M 23345

Locality: Cliff End, Near Winchelsea, Sussex County, England, Southern United Kingdom.

Horizon: Bone-bed in Fairlight Clay.

Biostratigraphy:

Age: Wealden, Early Cretaceous.

Material: A complete crown of a left lower molar.