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***Physetocaridoidea Chace, 1940
***Crangonoidea Haworth, 1825
**Infraorder Astacidea Latreille, 1802
***Enoplometopoidea de Saint Laurent, 1988
***Nephropoidea Dana, 1852
***Astacoidea Latreille, 1802
***Parastacoidea

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