Saurornithes

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Saurornithes

 

a subclass of birds (Aves) of the Jurassic period. The single known representative is Archaeopteryx lithographica.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.