CLADOENDESIS OF EPHEMEROPTERA
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Figure 26. Tetramerotarsata-Siphlaenigma/fg* janae [Siphlaenigma].

A – subimaginal pterothorax extracted from mature larva, lateral view (compare with Fig.29:A); B – apex of right maxilla, dorsal view; C – apex of left mandible (compare with Fig.29:B); D – labium, dorsal view (in left half) and ventral view (in right half); E – genitals of male subimago under cuticle of mature larva. (From Kluge 1997c)

Abbreviations: c.mx – maxillary canines; ds1, ds2, ds3 – first, second and third dentisetae; i – incisor; kd – kinetodontium; MNs – mesonotal suture; prs – prostheca.