Global Crayfish Resources
at the Carnegie Museum of Natural History
   
  Crayfish Taxonomy Browser ( Global)

  Crayfish Checklists ( Global)

  Freshwater Crayfish Literature Database (searchable)
  CMNH Crayfish Collection Database Search
  Crayfish Identification Keys (North America only)
  International Association of Astacology
  Freshwater Crayfish Discussion Forum