CLADOENDESIS OF EPHEMEROPTERA
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Kluge 2020: Oculogaster      list of figures

    

Figs 71–72. Male Procloeon (Oculogaster) niger. 71 – genitalia of imago (penis dotted; gonostylar muscle not shown at right, penial muscles not shown at left); 72 – their subimaginal exuviae.