Genus OLENELLUS
Kingdom / Phylum . . . . . . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Arthropoda Trilobita / n.a. / n.a. n.a. / n.a. / Redlichiida Olenellina / n.a. Olenelloidea / Olenellidae Olenellinae / Olenellus
Age: Distribution:	Middle Cambrian North America
Depicted on: Liberia, 2022 (M.S. margin)