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Thomas E. Guensburg
Systematics, functional morphology, and life modes of Late Ordovician edrioasteroids, Orchard Creek Shale, southern Illinois
Journal of Paleontology (January 1988), 62(1):110-126
Index Terms/Descriptors:
Latitude & Longitude:
GeoRef, Copyright 2004, American Geological Institute.
Alexander County Illinois; Cyclocystoidea; Echinodermata; Echinozoa; Euhydrodiskoo diktyotos; functional morphology; habitat; Hystrichopsydrax sandersi; Illinois; Invertebrata; morphology; new taxa; Orchard Creek Shale Member; Ordovician; paleontology; Paleozoic; Scales Formation; southern Illinois; taxonomy; Thebes Quadrangle; United States; Upper Ordovician
N37°00'00" -
N37°17'00" and
W89°30'00" -
W89°10'00" (Search for maps and images at Alexandria Digital Library)
Copyright © 1988 by the GeoScienceWorld.
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