FAMILY                      Hydroscorpiidae Kjellesvig-Waering, 1986:63  [Fossil]
GENUS                              Hydroscorpius Kjellesvig-Waering, 1986:63  [Fossil]
SPECIES                                 Hydroscorpius denisoni Kjellesvig-Waering, 1986:63 [Fossil; l.Dev.; Wyoming]