This book is a definitive guide to the eurypterids, a group of aquatic arthropods that lived during the Paleozoic era. Written by two of the foremost experts on the subject, the book provides a detailed classification of the eurypterids found in New York State, as well as an overview of their anatomy, behavior, and evolution. Whether you are a natural history enthusiast or a professional paleontologist, this book is an indispensable resource for understanding the fascinating and often mysterious world of the eurypterids. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.