''Aethapsis'' is an
actinolepid
Actinolepidae is an extinct family of placoderm fishes which lived during the Early Devonian period. They are considered to be among the most primitive of the arthrodires, and are widely accepted to be phylogenetically basal to the group.
De ...
placoderm known from two species, ''A. major'' and ''A. utahensis''.
Placoderms of North America
Placoderms
Paleontology in Utah
Paleontology in Ohio
{{placoderm-stub