Procambarus morrisi was created in 1991.
Homarus morrisi was created in 1987.
Araeomerus morrisi was created in 1963.
Procambarus apalachicolae was created in 1942.
Procambarus rathbunae was created in 1940.
Procambarus steigmani was created in 1991.
Procambarus erythrops was created in 1975.
Procambarus nueces was created in 1995.
Procambarus latipleurum was created in 1942.
Procambarus bouvieri was created in 1909.
Procambarus milleri was created in 1971.
Procambarus nechesae was created in 1990.
Procambarus echinatus was created in 1956.