Fig. 17. Chelopterum peregrinum Carpenter, 1950 in The entomofauna of the Lower Permian fossil insect beds of Kansas and Oklahoma, USA

Fig. 17. Chelopterum peregrinum Carpenter, 1950 (Grylloblattida: Protoperlina: Chelopteridae), originally described from Elmo: (A) Photograph of fore wing of a specimen collected by the authors from the Midco beds, scale bar 5 mm; (B) Original drawing by Beckemeyer based on reconstruction by Carpenter (1992); (C) Original drawing by Beckemeyer of the insect as it might have appeared in life, with wings folded.