A taxonomic superfamily.
The Superfamily Astacoidea is further organized into finer groupings including:
The family Astacidae comprises the freshwater crayfish native to Europe and western North America. It is made up of three genera. Pacifastacus is found on the Pacific coast of the United States and British Columbia and includes the signal crayfish and the Shasta crayfish. The genera Astacus and Austropotamobius are both found throughout Europe and parts of western Asia. [more]
Cambaridae is the largest of the three families of freshwater crayfish, with over 400 species. Most of the species in the family are native to North America east of the Great Divide, such as the invasive species Procambarus clarkii and Orconectes rusticus, with fewer species living in East Asia and Japan, such as zarigani (Cambaroides japonicus). [more]
At least 366 species and subspecies belong to the Family Cambaridae.
More info about the Family Cambaridae may be found here.
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