Two specimens of Dactylioceras, collected loose on the foreshore at Saltwick Bay, near Whitby, North Yorkshire, show damage similar to that recorded previously on specimens from Dorset and elsewhere in Europe. The damage is attributed to predation. The stratigraphical derivation of the specimens is unknown, but their location suggests that they are likely to be from the Whitby Mudstone Formation in the upper Lias Group of the Lower Jurassic. The specimens from Saltwick Bay extend the record of predated ammonites to the Lower Jurassic of North Yorkshire.

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