Genus: Chelycarpookus WARREN, 1969
Etymology: Greek, chelys, "turtle" and Carapook, the name of the Parish from which the specimen was collected.

Species: arcuatus WARREN, 1969
Etymology:

Holotype: National Museum of Victoria P13160

Locality: At Carappook, near Casterton, Victoria State, Australia.

Horizon: Merino Group.

Biostratigraphy:

Age: Early Cretaceous.

Material: Internal cast of shell.