CLADOENDESIS OF EPHEMEROPTERA
Figs 74–79. Pseudopannota kimminsi (Waltz & McCafferty 1987). 74–76 – labrum: 74 – intact exuviae, view from outer side (outer and inner walls visible at the same time); 75 – cuticle spread on slide (outer wall above, inner wall below); 76 – enlarged distal part of inner wall; 77–79 – left and right mandibles. Abbreviations: as – asymmetric sclerite on inner side of labrum; d – distal margin of labrum; i-d – inner side of distal membranous area; o-d – outer side of distal membranous area; in – incisor.