Species: philarchus (SEELEY, 1869) LYDEKKER, 1889
Etymology:
Holotype: CAMSM (Sedgwick Museum) J. 46913
Locality: Peterborough, Cambridgeshire County, England, Southern United Kingdom.
Horizon: Oxford Clay.
Biostratigraphy:
Age: Callovian Stage, Upper Dogger Epoch, Late Jurassic.
Referred material:
BMNH R3317: Fossilized contents of the stomach (cephalopods and gastroliths) lying within ribs.