Curator of Mollusks, Delaware Museum of Natural History, Wilmington, Delaware.


    B.S., Marine Biology, Evergreen State College, Olympia, Washington, 1979.

    M.A., Paleontology, University of California, Berkeley, California, 1988.

    M.S., Biology, University of Michigan, Ann Arbor, Michigan, 1991.

    Ph.D., Biology, University of Michigan, Ann Arbor, Michigan, 1994 (advisors: John B. Burch and Beverly J. Rathcke).


    Research Technician, Department of Biology, Evergreen State College, 1977-1978.

    Biological Technician, U.S. Fish and Wildlife Service, Olympia, Washington, 1979-1982

    Senior Museum Preparator, Museum of Paleontology, University of California, Berkeley, 1982-1987.

    Postdoctoral Associate, State University of New York at Stony Brook, and Molluscan Biodiversity Institute, Haddonfield, New Jersey, 1995-1996.

    Curator of Mollusks, Delaware Museum of Natural History, Wilmington, Delaware, 1996-present.


    Western Society of Malacologists, 1980-present; American Malacological Union, 1981-present; California Malacozoological Society, 1982-present; Western Society of Naturalists, 1984-present; Ecological Society of America, 1984-present; Conchological Society of Great Britain and Ireland, 1985-present; Unitas Malacologica, 1986-present. International Society for Medical and Applied Malacology, 1990-present.


    Extensive research and field work in over 10 countries in North and Central America, Africa, and Asia: numerous field trips annually in Washington, California, and Michigan, 1976-present; Montana, fossil mollusca, July 1983, July 1984; San Nicolas Island, California, fossil land snails, 1983-1987; Mexico, December 1988--January 1989, December 1989--January 1990; Kenya, December 1990--January 1991; Bali, Indonesia, May 1991; Costa Rica, August 1992; Tanzania, February-March 1995; Madagascar, January-December 1995; central and northern Kuril Islands, July-September 1996, 1997, 1998.


    Since 1984, 17 scientific publications on the ecology, evolution, biogeography, and systematics of terrestrial mollusks.

Five publications most relevant to the present proposal:

  • Roth, B., and T. A. Pearce. 1988. Micrarionta dallasi, a helicinid (prosobranch), not a helminthoglyptid (pulmonate), land snail: Paleoclimatic implications. Southwestern Nat., 33(1):117-119.

  • Pearce, T. A. 1990. Phylogenetic relationships of Micrarionta (Gastropoda: Pulmonata) and distinctness of the species on San Nicolas Island, California. Malac. Rev., 23:1-37.

  • Pearce, T. A. 1993. Micrarionta (Gastropoda: Pulmonata) on San Nicolas Island, California: Evolutionary relationships of the species. Malac. Rev., 26:15-50.

  • Pearce, T. A. 1994. Terrestrial gastropods of Mackinac Island. Michigan, U.S.A. Walkeriana, 7(17/18):47-53.

  • Pearce, T. A. 1995. Land snail diversity patterns differ from those of vertebrate and plant groups in the southeastern half of Madagascar. International Symposium, Biogeography of Madagascar, Societe de Biogeographie, Paris, 26-28 September 1995, p. 26.

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