Evolution of the horned dinosaurs - 1948
Phyletic size increase, an important trend illustrated by fossil invertebrates - 1949
Successional speciation in paleontology: The case of the oysters of the Sellaeformis stock - 1949
Allometric relationships in lions vs. domestic cats - 1962
The Adaptive Radiation of the Phenacodontid Condylarths and the Origin of the Perissodactyla - 1966
Early Reptilian Evolution Re-Viewed - 1967
Evolution of dental growth and adaptation in mammalian carnivores - 1969
Toward the origin of artiodactyls - 1971
Perspective: evolutionary patterns in the fossil record - 1996
The Island Rule in Large Mammals: Paleontology Meets Ecology - 2006