Moscovian fossils shed light on the enigmatic polyneopteran families Cacurgidae and Eoblattidae (Insecta: ‘Eoblattida’, Archaeorthoptera)

Based on description of the new species Cacurgus avionensis sp. nov., the genus Cacurgus and the family Cacurgidae are revised, excluded from Gerarida, and restored in Panorthoptera. Cacurgidae are restricted to the single genus Cacurgus. Protodictyon pulchripenne is redescribed, excluded from Cacurgidae, and put in the archaeorthopteran stem group of the Panorthoptera. We restore two genera, Kochopteron and Protoblattina, in Paoliidae. The...