"Balanophis " is a monotypic genus of the Colubridae family of snakes with the species " Balanophis ceylonensis ".
7.
"' Xenodontinae "'is a subfamily of the Colubridae genera, which include species such as mud snakes and New World hognose snakes.
8.
Although Africa is home to four venomous snake families Atractaspididae, Colubridae, Elapidae, and Viperidae approximately 60 % of all bites are caused by vipers alone.
9.
The origin of venom is thought to have provided the catalyst for the rapid diversification of snakes in the Cenozoic period, particularly to the Colubridae and their colonization of the Americas.
10.
"Wallaceophis " "'gen . nov . "'may be distinguished from most members of the family Colubridae in lacking hypapophyses on posterior dorsal vertebrae.