The Ancient Life History Of The Earth A Comprehensive Outline O
Chapter 8
The Cambrian period--General succession of Cambrian deposits in Wales--Lower Cambrian and Upper Cambrian--Cambrian deposits of the continent of Europe and North American--Life of the Cambrian period--Fucoids--Eophyton--Oldhamia--Sponges--Echinoderms--Annelides --Crustaceans--Structure of Trilobites--Brachiopods--Pteropods, Gasteropods, and Bivalves--Cephalopods--Literature.