Bieler, R. - Gastropod evolution and systematics, the Field Museum.

Bennington, J B. - Paleobiology and paleoecology, Hofstra University.

Brett, C.E. - Invertebrate paleobiology, University of Cincinnati.

Borghi, L. - Paleozoic marine invertebrate trace-fossils in Brazilian basins; Universidade Federal do Rio de Janeiro.

Flessa, K.W. - Invertebrate paleobiology, University of Arizona.

Cohen, A.S. - Paleobiology and paleolimnology, University of Arizona.

Collins, A.G. - Paleobiology, University of California-Berkeley.

Smith, P.L. - Ammonite paleontology and biostratigraphy, University of British Columbia.

Datillo, Ben - Invertebrate paleontology, Weber State.

Kidwell, S.M. - Taphonomy, University of Chicago.

Foote, M. - Evolutionary paleobiology and morphometrics, University of Chicago.

Geary, D.H. - Paleobiology, University of Wisconsin.

Hickman, C.S. - Evolutionary paleobiology, University of California-Berkeley.

Holland, S. - Paleontology and sequence stratigraphy, University of Georgia.

Knoll, A. - Evolution of life, Harvard University.

Kowalewski, M. - Invertebrate paleobiology, Virginia Tech.

Meyer, D.L. - Invertebrate paleobiology (especially echinoderms), University of Cincinnati.

Jablonski, D. - Evolutionary paleobiology, University of Chicago.

Labarbera, M.C. - Functional morphology, University of Chicago.

Lidgard, S. - Bryozoan evolution, the Field Museum.

Miller, A.I. - Evolutionary paleobiology and paleoecology, University of Cincinnati.

Messing, C.G. - Crinoid biology, paleobiology, and taphonomy, Nova Southeastern University.

Plotnick, R.E. - Invertebrate paleobiology and paleobiomechanics, University of Illinois - Chicago.

Runnegar, B. - Paleobiology, particularly the Cambrian explosion, UCLA.

Valentine, J.W. - Paleobiology, University of California-Berkeley.

Wagner, P.J. - Evolutionary paleobiology, the Field Museum.

Raup, D. - Evolutionary biology, University of Chicago (professor emeritus).

Sumrall, C.D. - Echinoderm paleobiology, Tulane University.

Hageman, S.J. - Bryozoan microevolutionary patterns and processes, Appalachian State University.

Kelley, P. H. - Molluscan paleobiology, University of North Carolina at Wilmington.

Yacobucci, M.M. - Cephalopod paleobiology, Bowling Green State University.

Cotton, T. - Trilobite systematics and evolution, University of Bristol.

Gudo, M. - Invertebrate and vertebrate paleontology, Forschungsinstitut Senckenberg.

Hammer, Ø. - Invertebrate paleontology, University of Oslo.

Nowlan, G.S. - Lower paleozoic conodont biostratigraphy, Geological Survey of Canada.

Cook, A. - Palaeozoic gastropods, stromatoporoids, and reef systems, Queensland Museum, Brisbane Australia.

McRoberts, C.A. - Molluscan paleobiology, State University of New York at Cortland.

Morris, P.J. - Gastropod paleobiology, Athro, Limited.

Harries, P.J. - Mass extinction, paleoecology, invertebrate paleontology, University of South Florida.

Stanley, G. - Paleontology of modern and ancient reefs, University of Montana.

Stock, C.W. - Paleontology of stromatoporoids, University of Alabama.

Daley, G.M. - Paleoecology, University of Wisconsin.

Sheehan, P. - Paleozoic brachiopods, Milwaukee Public Museum.

Baumiller, T. - Evolutionary paleobiology, University of Michigan.

Poulton, T.P. - Molluscan paleobiology and biostratigraphy, Geological Survey of Canada.