CLADOENDESIS OF EPHEMEROPTERA

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Kluge 2013 Nonnullidens: Figs 1-3 4-10 11-16 17-22 23-28 29-31 32-38 39-40 41-44 45-48 49-50 51-53

Figs 41–44. Nonnullidens reductus, larva. 41 labrum, dorsal view (setae of transverse rows not shown, their bases shown as rings and levels of their apices shown by interrupted lines); 42 left mandible; 43, 44 tergalii of I and II pairs (ventral lamella turned back) (43, 44, holotype).