Sphenodontidae
Sphenodontidae
[‚sfē·nə′dänt·ə‚dē] (vertebrate zoology)
A family of lepidosaurian reptiles in the order Rhynchocephalia represented by a single living species, Sphenodon punctatus, a lizardlike form distinguished by lack of a penis.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.