Heintzichthys

Heintzichthys; Temporal range: Late Devonian: Famennian, 371.1–359.3 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Placodermi
Order:	†Arthrodira
Suborder:	†Brachythoraci
Family:	†Selenosteidae
Genus:	†Heintzichthys; Whitley 1933
Species
	Heintzichthys gouldii (Newberry, 1885) (type);
Synonyms
	Dinichthys corrugatus (Newberry, 1893); Dinichthys gracilis (Claypole, 1897); Stenognathus corrugatus (Newberry, 1889);

Heintzichthys is an extinct monospecific genus of arthrodire placoderm that lived what is now Europe and North America during the Famennian stage of the Late Devonian period. The type specimen was discovered in the Cleveland Shale near Cleveland, Ohio, in the United States.^[1]

^ Hansen, Michael C. (2005). "Phylum Chordata—Vertebrate Fossils". In Feldmann, Rodney M.; Hackathorn, Merrianne (eds.). Fossils of Ohio. ODNR Bulletin 70. Columbus, Ohio: Ohio Department of Natural Resources. p. 290.