ammonites
Polacanthus rudgwickensis Blows 1996 (ornithischian)

Reptilia - Dinosauria - Nodosauridae

Full reference: W. T. Blows. 1996. A new species of Polacanthus (Ornithischia: Ankylosauria) from the Lower Cretaceous of Sussex, England. Geological Magazine 133(6):671-682

Belongs to Polacanthus according to J. M. Gasulla et al. 2011

Sister taxon: Polacanthus foxii

Type specimen: HORSM 1988.1546. Its type locality is Rudgwick Brickworks Quarry, which is in a Hauterivian/Barremian terrestrial marl/claystone in the Wessex Formation of the United Kingdom.

Ecology: ground dwelling herbivore