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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. Detailed descriptions of the morphology, geological
history, and classification of stemmed Paleozoic age crinoids
follows. Diagrams and photos of real specimens aid in understanding
crinoid terminology and identifying and classifying these crinoids
to the genus and species level. This book is written for both the
new and advanced collector. It is also valuable to the new student
of invertebrate paleontology. It provides updated insight into the
morphology, classification, and identification of crinoid fossils
collected at the Crawfordsville localities.
Collector's Guide to Fort Payne Crinoids and Blastoids is the first
comprehensive guide for identifying the fossils of echinoderms from
hundreds of millions of years ago, when North America was covered
by a warm, equatorial sea. Crinoids and blastoids, echinoderms (the
same family of marine animals to include starfish, sea urchins, and
sand dollars) from the Fort Payne Formation in Kentucky, are rarely
seen at gem, mineral, and fossil shows, nor are they regularly
displayed at major museums. By combining high-quality color
photographs and an accompanying descriptive text, William W. Morgan
provides the first comprehensive identification guide to these
fascinating fossils. Collector's Guide to Fort Payne Crinoids and
Blastoids features photographs, often offering more than one view,
of the best-quality specimens curated in the Smithsonian and other
prominent invertebrate fossil museums. Morgan includes photographs
that are unlabeled so that readers can test themselves to see
whether they can differentiate some of the more subtle features
that may be necessary for accurate identification.
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