After Stockwell, 1996 ["The Tree of Life"]
<==o Chactoidea Pocock, 1893 |--o Chactidae Pocock, 1893 (neulaskorpionit) | |-- †Araripescorpius ligabuei Campos, 1986 | |-- Chactas | |-- Teuthraustes | |-- Nullibrotheas | |-- Vachoniochactas | `--+-- Brotheas | |-- Broteochactas | `-- Chactopsis `--+--o Euscorpiidae | |-- Troglocormus | `--+-- Euscorpius | |-- Megacormus | `-- Plesiochactas `--o Scorpiopsidae |-- Scorpiops (Scorpiops) |-- Parascorpiops `--+-- Scorpiops (Alloscorpiops) `--+-- Scorpiops (Euscorpiops) `--+-- Scorpiops (Neoscorpiops) `-- Dasyscorpiops
Reference(s):
- Menon, F., 2007: Higher systematic of scorpions from the Crato Formation, lower Cretaceous of Brazil.
–Palaeontology: Vol. 50, #1, pp. 185-195 - Stockwell, S. A., 1996: Chactidae.
–iNet: The Tree of Life Project: http://wrbu.si.edu/www/stockwell/phylogeny/chactoidea/chactidae/chactidae.html - Stockwell, S. A., 1996: Chactoidea.
–iNet: The Tree of Life Project: http://wrbu.si.edu/www/stockwell/phylogeny/Chactoidea/Chactoidea.html - Stockwell, S. A., 1996: Euscorpiidae.
–iNet: The Tree of Life Project: http://wrbu.si.edu/www/stockwell/phylogeny/chactoidea/euscorpiidae/euscorpiidae.htmle - Stockwell, S. A., 1996: Scorpiopsidae.
–iNet: The Tree of Life Project: http://wrbu.si.edu/www/stockwell/phylogeny/chactoidea/scorpiopsidae/scorpiopsidae.html