Atractaspis Southern, Semi - desert, Local pain, bibronii Bibron's savanna and swelling, burrowing woodland of lymphadenitis, asp southern necrosis Africa, from Kenya through to eastern Tanzania, Malawi, Zambia, Zimbabwe, Botswana, eastern parts of South Africa Macrelaps Natal black East coast of Local pain, microlepidotus snake South Africa: swelling; serious riverine cases recorded foresl and urban gardens Colubridae
Common Wide Venom of some snakes or rear - distribution capable of inducing fanged snakes throughout fatal haemostatic Africa defects The back-fanged snakes have fixed, grooved rear fangs that are situated quite far back in the mouth.
Con relacion a las serpientes, la familia mas diversa fue Colubridae
con 11 especies, seguida por Elapidae y Viperidae con una.
), an extinct,archaic colubrid snake genus, is important in that Texasophis galbreathi from the early Oligocene (Orellan) of eastern Colorado represents one of the first appearances of the huge family Colubridae
in North America (Holman l984a).
laticeps (Schneider), broad- C, S headed skink Scincella lateralis (Say), ground skink S Family Colubridae
(common snakes) Carphophis amoenus (Say), worm snake S Cemophora coccinea (Blumenbach), scarlet S snake Coluber constrictor Linnaeus, black racer I Clonophis kirtlandii (Kennicott), N, C, SE Kirtland's snake Diadophis punctatus (Linnaeus), S northern ringneck snake Elaphe obsoleta (Say), black rat snake I E.