Alpheoidea

Alpheoidea is a superfamily of shrimp. Species of shrimp in the superfamily Alpheoidea are drag swimmers, as opposed to lift swimmers.

Taxonomy
The following families are recognised in the superfamily Alpheoidea:
 * Alpheidae Rafinesque, 1815
 * Barbouriidae Christoffersen, 1987
 * Bythocarididae Christoffersen, 1987
 * Hippolytidae Bate, 1888
 * Lysmatidae Dana, 1852
 * Merguiidae Christoffersen, 1990
 * Ogyrididae Holthuis, 1955
 * Thoridae Kingsley, 1878