1. Punctuated equilibria: An alternative to phyletic gradualism;Eldredge,1972
2. Symbiosis in cell evolution: Microbial communities in archean and proterozoic eons;Margulis,1993
3. Acquiring Genomes: A Theory of the Origins of Species;Margulis,2002
4. Systematics and the origin of species;Mayr,1942
5. Larvae and evolution: Toward a new zoology;Williamson,1992