Genus LEAELLYNASAURA
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. / Leaellynasaura
Age: Distribution:	Early Cretaceous Australia
Depicted on: Australia, 1993 (45 c., gummed, set in M.S., M.S. with two different overprints, in stamp booklet, and self-adhesive) Chad, 2022 (M.S. 2 margin) Guyana, 1993 (position 8 of sheet 3) Lesotho, 1998 (position 6 of sheet 2) Maldives, 1999 (position 4 of sheet 2) Sierra Leone, 2024 (M.S. 1 margin)