Department of Biological Science

Professor Emeritus; Ph.D., University of Michigan, 1963

About Dr. Heard
Dr. Heard's Wikipedia Page

Research and Professional Interests:
Invertebrate reproduction, with emphasis on Mollusca.

Selected Publications:
Heard, W. H. 1992. Reproductive coordination and synchronization in Bivalvia: Unionoida. Proc. Ninth International Malacological Congress, Leiden, Netherlands, pp. 173-176.

Runham, N., and Heard, W. H. (eds.). In press. Molluscan reproduction. Malacological Review, Supplement 6.

Heard, W. H. In press. Anatomy of Strophitus and relationships of anodontine Unionidae (Mollusca: Bivalvia). [Zoomorphologie: 34 pp. + 1 table + 30 figs.]

Heard, W. H. In press. Anatomical and reproductive features in Pseudodon (= Gonidea = Pilsbryoconcha) (Bivalvia: Unionoida: Amblemidae). [Malacologia: 37 pp + 4 tables + 23 figs.]

Heard, W. H. In press. Reproduction in Elliptio (Bivalvia: Unionidae). [Malacologia: 43 pp + 3 tables + 9 figs.]

Heard, W. H., and Vail, V. A. In press. Anatomical characters and character states, and inferred phylogeny of freshwater mussels (Bivalvia: Unionoida). [for Malacologia: 25 pp. + 6 tables + 8 figs.]

Heard, W. H. In press. Brooding patterns in freshwater mussels. [Invited symposium contribution to be published in Malacol. Rev. Suppl., 29 pp. + 3-page table]

Heard, W. H. In press. Valvatidae [Invited contribution for the Treatise on invertebrate paleontology: 9 pp + 9 figs.]

Heard, W. H. In press. A history of the study of generation of unionoidean bivalves [Invited contribution for the Archiv fur Hydrobiologie/Supplement: 36 pp. + 8 figs.]

Heard, W. H. In press. Comparative gametogenic cycles in Bivalvia: Unionoida. [Invited symposium contribution to be published in Malacol. Rev. Suppl., 32 pp. + 2 pls.].