Notes On Ordovician Trilobites

""Notes On Ordovician Trilobites: Illaenidae From The Black River Limestone Near Ottawa, Canada"" is a scientific book written by Percy Edward Raymond and originally published in 1908. The book focuses on the study of trilobites, a group of extinct marine arthropods that lived during the Ordovician period, approximately 485 to 443 million years ago. Specifically, Raymond examines the Illaenidae family of trilobites found in the Black River Limestone near Ottawa, Canada. The book contains detailed descriptions, illustrations, and classifications of the various species of Illaenidae trilobites, as well as analysis of their morphology, distribution, and evolutionary history. This book is an important resource for paleontologists, geologists, and anyone interested in the study of ancient life forms and their evolution.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.