FAMILY                      Archaeoctonidae Petrunkevitch, 1949:137  [Fossil]
GENUS                              Archaeoctonus Pocock, 1911:17  [Fossil]
SPECIES                                 Archaeoctonus glaber (Peach, 1883):400 [Fossil; l.Carb.; Scotland]
                                        [=Eoscorpius glaber Peach, 1883]
GENUS                              Pseudoarchaeoctonus Kjellesvig-Waering, 1986:68  [Fossil]
SPECIES                                 Pseudoarchaeoctonus denticulatus Kjellesvig-Waering, 1986:68 [lower ViséanFossil; l.Carb.; Scotland]