Collector's Guide to Crawfordsville Crinoids

ISBN-13: 9780764346040 / Angielski / Miękka / 2014 / 96 str.

William W. Morgan

Opis

Mississippian Age crinoids from Crawfordsville, Indiana, are known worldwide for their completeness, abundance, comparatively large size, and extraordinary aesthetic appeal. With over 100 detailed photos and drawings and incisive text, this book describes the locality, focusing on its exceptional value from both scientific and lay perspectives. The geologic region is explored, along with the factors believed to have led to the unusual preservation of these crinoids.