Heintzosteus

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Heintzosteus
Temporal range: Late Devonian
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Class: Placodermi
Order: Arthrodira
Family: Phlyctaeniidae
Genus: Heintzosteus
Species: H. brevis
Binomial name
Heintzosteus brevis

Heintzosteus is an extinct genus of placoderm fish, which lived during the Late Devonian period in Spitsbergen, Norway.