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| | Saint Helena Mountain Kingsnake |
 | | Snakes live in all but the very coldest areas of the world (Markel 1995). |
| | There are three major groups of snakes: Henophidia, a group that encompasses primitive snakes, such as boas, pythons, and pipe snakes; Scolecophidia, containing the many families of blind snakes; and Caenophidia, the members of which are often referred to as advanced snakes. |
| | Within this last family we find the majority of the extant snakes, ranging from harmless water and kingsnakes to the potentially deadly cobras, sea snakes, and vipers (Markel 1995). |
| bss.sfsu.edu /holzman/courses/Fall00Projects/kingsnake.htm (1134 words) |
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