GORDON, SERAFINI & BRINMAN, 2026

Locality: Unknown, Peterborough County, England, Southern United Kingdom.

Horizon: Oxford Clay Formation.

Biostratigraphy:

Age: Callovian Stage, Upper Dogger Epoch Stage, Middle Jurassic.

Material:

YPM 01979: Tooth imbedded in an ichthyosaur vertebra.

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