The taxon Cacurgus spilopterus Handlirsch, 1911, is revised, based on characters of the forewing venation, and is assigned to the Archaeorthoptera Béthoux and Nel, 2002, in which it occupies a basal position.
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1 October 2006
Revision of Cacurgus, a Basal Pennsylvanian Archaeorthoptera (Insecta: Neoptera)
Olivier Béthoux
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Archaeorthoptera
Cacurgidae
Mazon Creek
Orthoptera
Westphalian