Kluge 2004: Fig.12D-G

Figure 12. Larval 10th abdominal segment. [A-C]

AE Siphlonurus/fg4 aestivalis [Siphlurus] (intestine and all muscles connecting intestine with body wall are removed): A posterior view (cerci and paracercus removed, instead them three round sections are shown); B anterior view, from inside; C dorsal view (hidden sclerites shown by interrupted lines and dotted, muscles shown by interrupted lines, their dorsal bases by dotted polygons); D longitudinal section; E lateral view (muscles shown by interrupted lines). F scheme of structure usual for Ephemeroptera (corresponds to AE); G scheme of sctructutru peculiar for Geminovenata, Fossoriae and Caenotergaliae.

Abbreviations: btc basitricaudale; c cercus; c:B-B basi-basal muscle of cercus; ctr cercotractor; pc paracercus; pc:B-B basi-basal muscle of paracercus; pp paraproct; tX abdominal tergite X.