Source : Webster's Revised Unabridged Dictionary (1913)

Pterichthys \Pte*rich"thys\, n. [NL., fr. Gr. ? wing + ? fish.]
   (Paleon.)
   A genus of Devonian fossil fishes with winglike appendages.
   The head and most of the body were covered with large bony
   plates. See {Placodermi}.