Superfamily Chactoidea Pocock 1893 (scorpion)

Arachnida - Scorpiones

Parent taxon: Orthosternina according to J. A. Dunlop et al. 2013

Sister taxa: Buthoidea, Chaeriloidea, Corniops, Scorpionoidea

Subtaxa: Chactidae Euscorpiidae Hemiscorpiidae Palaeoeuscorpiidae Protochactidae

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Ecology:

Distribution:

• Quaternary of Colombia (1 collection)

• Eocene of Italy (1)

• Cretaceous of Brazil (3), France (1), Myanmar (2)

• Triassic of Switzerland (1)

Total: 9 collections each including a single occurrence

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