William H. Heard

Comparative life histories of North American pill clams (Sphaeriidae : Pisidium)

William H. Heard · Malacologia · 1965 · 54 citations

Life Sciences, Biology, Zoology +8

Molecular genetics and speciation in Elliptio and its relationships to other taxa of North American Unionidae (Bivalvia)

George M. Davis, William H. Heard, Samuel L. H. Fuller et al. · Biological Journal of the Linnean Society · 1981 · 33 citations

Life Sciences, Biology, Zoology +12

Palaeoheterodont Phylogeny, Character Evolution, Diversity and Phylogenetic Classification: A Reflection on Methods of Analysis

Walter R. Hoeh, Arthur E. Bogan, William H. Heard et al. · Malacologia · 2009 · 29 citations · Full text

Life Sciences, Biology, Evolutionary Biology +17

Light and Transmission Electron Microscopy of Two Spermatogenic Pathways and Unimorphic Spermatozoa in<i>Venustaconcha ellipsiformis</i>(Conrad, 1836) (Bivalvia: Unionoida)

Sally Shepardson, William H. Heard, Sophie Breton et al. · Malacologia · 2012 · 19 citations · Full text

Life Sciences, Anatomy, Biology +12

Recent Eupera (Pelecypoda; Sphaeriidae) in the United States

William H. Heard · The American Midland Naturalist · 1965 · 14 citations

Life Sciences, Biology, Zoology +10