Heterothrissa is an extinct genus of prehistoric marine ray-finned fish that lived during the Late Cretaceous. It contains a single species, H. signeuxae known from the Cenomanian-aged Sannine Formation of Lebanon. It was a member of the Ctenothrissiformes, a group of early-diverging acanthomorph relatives.
See also
Prehistoric fish List of prehistoric bony fish
References