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Superfamily Chactoidea Pocock 1893 (scorpion)

Arachnida - Orthosternina

PaleoDB taxon number: 286899

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

Sister taxa: Buthoidea, Corniops, Scorpionoidea

Subtaxa: Chactidae, Chaerilidae, Hemiscorpiidae, Palaeoeuscorpiidae

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Ecology: