Figure 8
From: Head morphology of Tricholepidion gertschi indicates monophyletic Zygentoma
Frontal virtual SR-microCT sections through the head of Tricholepidion gertschi with a) the 0md4 and 0md8 muscles coloured on the right side of the animal to show the presence of the 0md4 and the insertion point of the 0md8, and with b) the ligamentous connection of 0md6 between both mandibles in yellow color and the muscular connection to the anterior tentorium in red colour. Abbreviations: ata, anterior tentorial arm; br, brain; fg, foregut; md, mandible. For muscle references see main text.