Fig. 2From: New material of Laophis crotaloides, an enigmatic giant snake from Greece, with an overview of the largest fossil European vipers a Precloacal vertebra KB3, referred to Laophis crotaloides. b Precloacal vertebra (CL = 11.20 mm) of the extant large viperid Bitis rhinoceros (specimen MDHC 100). Scale bar 10 mm. A anterior view, L lateral view, P posterior view, V ventral viewBack to article page