Hoplitosaurus

Hoplitosaurus
Temporal range: Early Cretaceous,
Spined plate
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Dinosauria
Clade: Ornithischia
Clade: Thyreophora
Clade: Ankylosauria
Family: Nodosauridae
Subfamily: Polacanthinae
Genus: Hoplitosaurus
Lucas, 1902
Type species
Hoplitosaurus marshi
Lucas, 1901

Hoplitosaurus (meaning "Hoplite lizard") was a genus of armored dinosaur related to Polacanthus. It was named from a partial skeleton found in the Barremian (Early Cretaceous) Lakota Formation of Custer County, South Dakota. It is an obscure genus which has been subject to some misinterpretation of its damaged remains. Although there was a push to synonymize it with Polacanthus in the late 1980s-early 1990s, Hoplitosaurus has been accepted as a valid albeit poorly known genus in more recent reviews.