Mid ka mid ah faahfaahinta ugu horreysa ee la xusay ee ku saabsan Iguanodon waxay ahayd inay leedahay ilkaha xayawaanka xoolaha cuna, inkasta oo aysan had iyo jeer jirin is afgarad ku saabsan sida ay wax u cuntay. Sida Mantell uu xusay, haraadiga uu la shaqeynayay wuxuu ka duwanaa xayawaanka casriga ah, gaar ahaan qaabka ilkaha ee ilkaha hoose ee ilkaha la'aanta ah, kaas oo uu u arkay inuu ugu fiican yahay marka la barbar dhigo kuwa laba-toothed sloth iyo sloth dhulka la baabi'iyay ee Mylodon. Waxa kale oo uu soo jeediyay in Iguanodon uu lahaa carrab prehensile oo loo isticmaali karo in lagu soo ururiyo cuntada, sida giraafka.
xoolaha dhirta cuna