Astacidea

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Astacidea
A crayfish
Scientific classification
Kingdom: Animalia Phylum: Arthropoda Subphylum: Crustacea Class: Malacostraca Order: Decapoda Suborder: Pleocyemata Infraorder: Astacidea Latreille, 1802
Superfamilies
See text.

Astacidea is a group of decapod crustaceans including lobsters, crayfish and their close relatives. It comprises five superfamilies, two of crayfish (Astacoidea and Parastacoidea), one of true lobsters (Nephropoidea), one of reef lobsters (the genus Enoplometopus), and the Glypheoidea, thought to be extinct until 1975. There are 400 species altogether.^[1]

[edit] Extant Superfamilies and Families

• Astacoidea
  • Astacidae
  • Cambaridae
• Parastacoidea
  • Parastacidae
• Nephropoidea
  • Nephropidae
  • Thaumastochelidae
• Enoplometopoidea
  • Enoplometopidae
• Glypheoidea
  • Glypheidae

[edit] References