Arstanosaurus

Arstanosaurus
Temporal range: Late Cretaceous,
Hypothetical life reconstruction
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Dinosauria
Clade: Ornithischia
Clade: Ornithopoda
Superfamily: Hadrosauroidea
Genus: Arstanosaurus
Shilin & Suslov, 1982
Species:
A. akkurganensis
Binomial name
Arstanosaurus akkurganensis
Shilin & Suslov, 1982

Arstanosaurus (meaning "Arstan lizard" after the Arstan well) is a genus of hadrosauroid dinosaur from the Late Cretaceous-aged (Santonian-Campanian) Bostobe Formation of Kazakhstan. It has had a confusing history, being considered a hadrosaurid, a ceratopsid, or both at the same time (chimeric).