Supratemporal not half as long as skull, projecting but slightly beyond cranium; mandible much longer than skull
Coluber.
Supratemporal not half as long as skull, not projecting beyond cranium; mandible not longer than skull
Coronella, Contia.
b. Maxillary not half as long as mandible, which is longer than skull; supratemporal not half as long as skull, projecting beyond cranium.
Fig. 9—Skull of Coronella austriaca. (From British Museum Catalogue of Snakes)
Quadrate longer than supratemporal; maxillary much longer than quadrate, nearly straight in front of prefrontal; a large vacuity between the frontal bones and the basisphenoid
Cœlopeltis.