Fig. 4From: A new species of Notogynaphallia (Platyhelminthes, Geoplanidae) extends the known distribution of land planarians in Chacoan province (Chacoan subregion), South AmericaSchematic drawing of a transversal section of the pre-pharyngeal region of Notogynaphallia nawei sp. nov. (holotype). For simplicity, only the cutaneous longitudinal muscle layer was drawnBack to article page