Type — Arthropoda.
Subtype — Crustacea.
Class — Malacostraca.
Order — Decapoda.
Superfamily — Astacoidea.
Family — Astacidae.
Genus Pacifastacus.
Pacifastacus leniusculus [Dana, 1852] — Signal Crayfish.
Cambarus ludovicianus, Clibanarius africanus, Faxonella clypeata. 
