Arachnida - Scorpiones - Proscorpiidae
Synonyms: Archaeoctonidae Petrunkevitch 1949, Hydroscorpiidae Kjellesvig-Waering 1986, Hydroscorpionidae Kjellesvig-Waering 1986, Labriscorpionidae Kjellesvig-Waering 1986, Stoermeroscorpionidae Kjellesvig-Waering 1986, Stoermeroscorpioniidae Kjellesvig-Waering 1986, Waeringoscorpionidae Størmer 1970
Parent taxon: Scorpiones according to J. A. Dunlop et al. 2013
See also Dunlop et al. 2008 and Kjellesvig-Waering 1986
Sister taxa: Allopalaeophonoidea, Archaeoctonoidea, Bilobosternina, Branchioscorpionina, Brontoscorpio, Eramoscorpius, Gondwanascorpio, Gymnoscorpius, Holosternina, Hubeiscorpio, Liassoscorpionidae, Liassoscorpionides, Lobosternina, Meristosternina, Mesoscorpionina, Orthosternina, Palaeomachus, Palaeophonus lightbodyi, Palaeotrilineatidae, Permomatveevia, Titanoscorpio, Wattisonia
Subtaxa: Archaeoctonus Hydroscorpius Pseudoarchaeoctonus Waeringoscorpio
Ecology:
Distribution:
• Carboniferous of the United Kingdom (3 collections), United States (1: Illinois)
• Devonian of Germany (6), United States (1: Wyoming)
• Silurian of United States (6: New York)
Total: 17 collections including 20 occurrences