Cryptozoon

[ krip-tuh-zoh-on ]

noun

1. an extinct genus of algae from Precambrian and Cambrian times, forming irregularly hemispherical fossil colonies composed of layers of limy precipitate.

Word History and Origins

Origin of Cryptozoon¹

From New Latin, dating back to 1883; crypto-, -zoon

Example Sentences

In the Cambrian or Siluro-Cambrian, however, we meet with many gigantic Protozoa, more especially those known as Stromatopora, Archæocyathus, Receptaculites, and Cryptozoon.

From Project Gutenberg