Osmakasaurus

Osmakasaurus
Temporal range: Early Cretaceous, 137Ma
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Ornithischia
Clade: Ornithopoda
Clade: Ankylopollexia
Clade: Styracosterna
Genus: Osmakasaurus
McDonald, 2011
Species:  O. depressus
Binomial name
Osmakasaurus depressus
(Gilmore, 1909
Synonyms

Camptosaurus depressus Gilmore, 1909
Planicoxa depressa Carpenter & Wilson, 2008

Osmakasaurus is a genus of herbivorous iguanodontian dinosaur. It is a basal iguanodontian which lived during the lower Cretaceous period (Valanginian age) in what is now Buffalo Gap of South Dakota, USA. It is known from the Chilson Member of the Lakota Formation. This genus was named by Andrew T. McDonald in 2011 and the type species is Osmakasaurus depressus. O. depressus was previously referred to as Camptosaurus depressus, and was first described in 1909 by Charles W. Gilmore.[1]

References

  1. Andrew T. McDonald (2011). "The taxonomy of species assigned to Camptosaurus (Dinosauria: Ornithopoda)" (PDF). Zootaxa 2783: 52–68.