CLADOENDESIS OF EPHEMEROPTERA
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Kluge & Gattolliat & Salles 2017: Figs 1-4 5-9 10-15 16-19 20-22 23-30 31-36 37-39 40-44 45-50 51-55 56-59 60-65 66-75 76-83 84-95 96-103 104-107 108-113 114-118 119-124 125-132 133-134

Figs 23–30. Crassabwa flava. 23 – tergalius I of last instar larva in natural condition; 24 – tergalius I spread on slide; 25 – tergalius II; 26 – costal rib of tergalius of penultimolarva (developing compressed ultimolarval denticles shown by interrupted line); 27 and 28 – tergalii VI and VII; 29 – tergalii II (in normal condition) and III (with dorsal cuticle partly separated from tissues); 30 – enlarged fragment of this separated cuticle.