Department of Geological Sciences
86 Orton Hall
155 S. Oval Mall
The Ohio State University
Columbus, Ohio 43210

E-mail - ausich.1@osu.edu

Office..............(614) 292-3353
Department.....(614) 292-8746
Fax................ (614) 292-1496
 

        Extinction and Radiation of Crinoids during the Terminal Ordovician 
             Extinction Event

        Ordovician Crinoids from South-Central Spain

        Tiering in Benthic Communities Throughout the Phanerozoic

        Mississippian Crinoidea from Central Utah

        Cyclocystoidea, Echinoidea, Ophiuroidea, Diploporita, Rhombifera, 
              and Asteroidea from the Ordovician-Silurian of Anticosti Island, 
              Quebec, Canada