Aspidorhynchiformes

Aspidorhynchiformes

[¦as·pə‚dō‚riŋk·ə′fȯr‚mēz]
(paleontology)
A small, extinct order of specialized holostean fishes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.