Genus PLAESIOMYS
Kingdom / Phylum . . . . . . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Brachiopoda Rhynchonellata / n.a. / n.a. n.a. / n.a. / Orthida Orthidina / n.a. Orthoidea / Plaesiomyidae Plaesiomyinae / Plaesiomys
Age: Distribution:	Ordovician North America
Depicted on: Togo, 2016 (sheet margin, fossil P. subquadrata)