Genus PALAEOXYRIS
Kingdom / Phylum . . . . . . . . Subphylum / Superclass . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Chordata Cephalochordata / Gnathostomata Chondrichthyes / Elasmobranchii / n.a. n.a. / Euselachii / Ctenacanthiformes n.a. / n.a. Hybodontoidea / Hybodontidae n.a. / Palaeoxyris
Age: Distribution:	Devonian - Late Cretaceous Global
Palaeoxyris is probably the egg capsule of a Hybodontid shark. Depicted on: Djibouti, 2022 (position 3 of sheet)