Species: philarchus (SEELEY, 1869) LYDEKKER, 1889
Etymology:

Referred material:

ANDREWS, 1910

Locality: Neighborhood of Peterborough, Cambridgeshire County, England, Southern United Kingdom.

Horizon: Oxford Clay.

Biostratigraphy:

Age: Callovian Stage, Upper Malm Epoch, Late Jurassic.

Material:

BMNH: Nearly complete skull and skeleton.
Note: Gastroliths were found.

BMNH R3317: Fossilized contents of the stomach (cephalopods and gastroliths) lying within ribs.