An outline of gastropod classification - 1962
Generic diagnoses for some burrowing bivalves of the Australian Permian - 1965
Paleocene mollusks from Ewekoro, southern Nigeria - 1973
Systematics of prosobranch gastropods - 1975
Systematic review of fossil and recent Crepidula and discussion of evolution of Calyptraeidae - 1977
The Paragastropoda: a proposal for a new class of Paleozoic Mollusca - 1984
Tropical ‘physiognomy’ of a land snail faunule from the Eocene of southern California [USA] - 1991
A nomenclator and classification of gastropod family-group names - 2005