Cambarus robustus (Big water crayfish) - Michigan Natural Features Inventory

Michigan Crayfish – Understanding Our Native and Invasive Species

Michigan's native crayfish and the threats of a new Invader - Huron River Watershed Council

Conservation status of North American freshwater crayfish (Decapoda: Cambaridae) from the southern United States - Document - Gale Academic OneFile

Zoogeography, taxonomy, and conservation of West Virginia's Ohio River floodplain crayfishes (Decapoda, Cambaridae)

Cambarus P. robustus

Big Sandy Crayfish (Cambarus callainus) Survey – Waypoint, LLC

Big Water Crayfish (Cambarus robustus) · iNaturalist Canada

Michigan Crayfish – Understanding Our Native and Invasive Species

Conservation status of North American freshwater crayfish (Decapoda: Cambaridae) from the southern United States - Document - Gale Academic OneFile

Cambarus robustus, aka Big river crayfish 7/4/11

Zoogeography, taxonomy, and conservation of West Virginia's Ohio River floodplain crayfishes (Decapoda, Cambaridae). - Abstract - Europe PMC