Cite
 

Meaning of Cryptozoon*

Cryp•to•zo•on

Pronunciation: (krip"tu-zō'on), [key]
— n.
  1. an extinct genus of algae from Precambrian and Cambrian times, forming irregularly hemispherical fossil colonies composed of layers of limy precipitate.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.