Genus THYESTES
Kingdom / Phylum . . . . . . . . Subphylum / Superclass . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Chordata Cephalochordata / Gnathostomata Agnatha / Cephalaspidomorpha / n.a. n.a. / n.a. / Cephalaspidiformes = Osteostraci n.a. / n.a. n.a. / Cephalaspidae n.a. / Thyestes
Age: Distribution:	Late Silurian - Early Devonian Europe
Depicted on: Soviet Union, 1990 (20 k. and F.D.C. cover)