* Zimmer, Carl, [http://findarticles.com/p/articles/mi_m1511/is_n7_v18/ai_19560108 How the snake lost its legs: Snakes, researchers once thought, descended from humble burrowing lizards. New evidence suggests a marine pedigree, and a family tree that includes 45-foot reptiles], Discover, July 1997. | * Zimmer, Carl, [http://findarticles.com/p/articles/mi_m1511/is_n7_v18/ai_19560108 How the snake lost its legs: Snakes, researchers once thought, descended from humble burrowing lizards. New evidence suggests a marine pedigree, and a family tree that includes 45-foot reptiles], Discover, July 1997. |