Sprinkle, J.T. (1980). An overview of the fossil record. – In: Broadhead, T.W.W.J.A. (ed.): Echinoderms, notes for a short course 3. – pp. 15-26, University of Tennessee, Department of Geological Sciences. Knoxville, TN, United States.
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Sprinkle, J.T.
1980
An overview of the fossil record. – In: Broadhead, T.W.W.J.A. (ed.): Echinoderms, notes for a short course 3. – pp. 15-26, University of Tennessee, Department of Geological Sciences. Knoxville, TN, United States.