Figs 11–15 in Monophyly of the Myriapoda? Reliability of current arguments

Figs 11–15. Frontal view of tentorial complex in 11. Lithobius (Chilopoda) as illustrated by Snodgrass (1950, modified) and corresponding components, drawn on the same illustration for direct comparison, in 12. Symphyla, 13. Tetramerocerata (Pauropoda), 14. Pselaphognatha (Diplopoda) as well as 15. Geophilomorpha (Chilopoda).Abbreviations (in brackets: Snodgrass's terminology): eb epipharyngeal bar, epa epipharyngeal arm, flt fultura, hap head apodeme, hb hypopharyngeal bar, hpa hypopharyngeal arm, pp posterior process, tb transverse bar.