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Temporal range: Middle Jurassic
Vertebrae and spike originally referred to Lexovisaurus, Muséum national d'histoire naturelle, Paris
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Superorder: Dinosauria
Order: Ornithischia
Suborder: Thyreophora
Infraorder: Stegosauria
Family: Stegosauridae
Genus: Loricatosaurus
Maidment et al., 2008
Limb bones originally referred to Lexovisaurus, Muséum national d'histoire naturelle

Loricatosaurus (meaning "armored lizard") is a genus of stegosaurid dinosaur from Callovian-age (Middle Jurassic) rocks of England and France. It is known from remains previously assigned to Lexovisaurus; however, upon review of the material, Susannah Maidment and colleagues determined that Lexovisaurus was based upon nondiagnostic remains, and coined a new genus for the other specimens. The species name, priscus, comes from the oldest name associated with diagnostic specimens, Baron Franz Nopcsa's "Stegosaurus" priscus of 1911. It is known from two partial skeletons. Contrary to previous reports (as Lexovisaurus), a shoulder spine is not present in the known material; the possible spine is more likely from the tail.[1]


  1. ^ Maidment, Susannah C.R.; Norman, David B.; Barrett, Paul M.; Upchurch, Paul (2008). "Systematics and phylogeny of Stegosauria (Dinosauria: Ornithischia)". Journal of Systematic Palaeontology 6 (4): 1. doi:10.1017/S1477201908002459.