Proaethaspis Temporal range:Early Devonian:Pragian,410–407 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
Genus:	†Proaethaspis Denison, 1978
Species
†Proaethaspis ohioensisDenison, 1960 (type)

Proaethaspis is anextinctmonospecificgenus ofarthrodireplacoderm fish from theEarly Devonian period.^[1] Thetype speciesProaethaspis ohioensis wasdescribed in 1960, but was assigned to the genusProaethaspis in 1978.

Proaethaspis is one of the morebasal members of theorderArthrodira, closely related toBaringaspis, as shown in thecladogram below:^[2]

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