Genus HYLONOMUS
Kingdom / Phylum . . . . . . . . Subphylum / Superclass . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Chordata Cephalochordata / Gnathostomata Reptilia / Anapsida / n.a. n.a. / n.a. / Captorhinida Captorhinomorpha / n.a. n.a. / Protorothyrididae n.a. / Hylonomus
Age: Distribution:	Late Carboniferous North America
Depicted on: Canada, 1991 (40 c.) Central African Republic, 2023 (M.S. 1 margin?) Central African Republic, 2024 (M.S. 1, M.S. 2 margin) Guinea-Bissau, 2015 (position 2 of sheet) Sierra Leone, 2023 (sheet margin) Sierra Leone, 2024 (position 3 of sheet, M.S. 1 margin)