Genus THESCELOSAURUS
Kingdom / Phylum . . . . . . . . Subphylum / Superclass . . . . Class / Subclass . . . . . . . . . . Infraclass / Division. . . . . . . . Subdivision / Infradivision . . . Superorder / Order. . . . . . . . Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Chordata Cephalochordata / Gnathostomata Reptilia / Diapsida Archosauromorpha / Archosauria Avemetatarsalia / Ornithodira Dinosauria / Ornithischia Ornithopoda / n.a. n.a. / Hypsilophodontidae? n.a. / Thescelosaurus
Age: Distribution:	Late Cretaceous North America
Depicted on: Grenada, 2005 (position 3 of sheet 2, as 'Willo') Niger, 2023 (position 3 of sheet)   A specimen of this genus was found which had dried out and mummified before fossilization. As a result of this, soft parts, including the heart, have been preserved. This specimen is named Willo.