Genus: Chunnelodon ENSOM & SIGOGNEAU-RUSSELL, 1998
Etymology: To emphasize the French-British collaboration as demonstrated by this paper, and the Channel Tunnel inaugurated in the year of the discovery of the taxon.

Species: alopekodes ENSOM & SIGOGNEAU-RUSSELL, 1998
Etymology: Greek, sly as a fox; an allusion to the horizon in the Cherty Freshwater Member from the material comes, which is called the “Sly” by the quarrymen of the Isle of Purbeck.

Holotype: DORCM GS 378

Locality: Sunnydown Farm Quarry, Langton Matravers, Dorset County, England, Southern United Kingdom.

Horizon: Cherry Freshwater Member, Lulworth Formation, Purbeck Limestone Group.


Age: ?Berriasian Stage, Lower Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.

Material: A left lower molar.

Referred material:

DORCM GS 377: A right lower molar (probably from the same individual as the type, but the two molars did not occupy the same position in the dental sereis).