ichthyopterygian

Etymology

Ichthyopterygia + -an

ichthyopterygian means any of the superorder †Ichthyopterygia of extinct marine reptiles, superficially resembling dolphins. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

Any of the superorder †Ichthyopterygia of extinct marine reptiles, superficially resembling dolphins.