Species: armatus MANTELL, 1833
Holotype: BMNH 3775
Locality: An imprecisely located quarry of Tilgate Forest area, near Cuckfield, West Sussex County, England, Southern United Kingdom.
Horizon: Lower Wealden Formation.
Age: Late Valanginian Stage, Middle Neocomian Subepoch-Early Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.
Material: Base of skull, 10 anterior cervical vertebrae, 2 coracoids, 2 distal
parts of scapula, fragmentary ?humerus, loose vertebrae, several ribs and armor
elements consists of cervical and shoulder regions including spines, spikes,
scutes and small ossicles of an immature specimen..