CLADOENDESIS OF EPHEMEROPTERA
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Figure 67. Potamanthus/fg1, larvae.

A–D – Potamanthus/fg* lutea [Ephemera]: A – right margins of abdominal segments I and II with tergalius I and base of tergalius II, dorsal view (tergalial muscles shown by interrupted lines, other muscles not shown); B – larval exuviae of right half of pronotum and mesonotum; C – median section of larval head and thorax; D – right mandible, dorsal view. E – Rhoenanthus/g1 coreanus [Potamanthus], right mandible, dorsal view. (B, C – from Kluge 1997b).

Abbreviations: cly – clypeus; co – collar; cx – margin of hind coxa; fr – frons; i – incisor; kd – kinetodontium; lbr – labrum; m – mola; prs – prostheca.