Describer

Blows, 1996

Time

Cretaceous Early Barremian

Classification

Ornithischia Thyreophora Eurypoda Ankylosauria Ankylosauridae

Diet

Herbivore

Fossilsite

Wessex Formation, near Rudgewick, Wealden Marls, Weald Clay, West Sussex, England

Fall Under

Polacanthus

Info

Polacanthus (Owen vide [Anonymus], 1865) = Euacanthus vectianus (Owen vide Tennyson, 1897)

Polacanthus > Polacanthus foxii (Hulke, 1881) (= [Hylaeosaurus foxii], Hulke, 1881) >> Polacanthus becklesi (Hennig, 1902) > Polacanthus rudgwickensis (Blows, 1996)

Polacanthus > Polacanthus marshi (Lucas, 1901) >> Hoplitosaurus marshi (Lucas, 1901) >> Stegosaurus marshi (Lucas, 1901)

Holotype

HORSM 1988.1546, a fragmentary skeleton including several incomplete vertebrae, partial scapulocoracoid, distal end of humerus, nearly complete right tibia, rib fragments, and two dermal ossifications.

Presently at the Horsham Museum, Sussex, England. This species is about 30% larger than type species Polacanthus foxii and differs from it in numerous characters of the vertebrae and dermal armor.