Cash, W. Ben Department of Biology, Maryville College, Maryville, Tennessee.
Savage, Jay M. Department of Biology, University of Miami, Coral Gables, Florida.
- Defense mechanisms
- Venomous species
- Rhythmic activity
- Courtship activity
- Classification of lizards
- Defense mechanisms
- Venomous snakes
- Classification of snakes
- Related Primary Literature
- Additional Reading
The dominant order of living reptiles, composed of the lizards and snakes. The group first appeared in Jurassic times and today is found in all but the coldest regions. Various forms are adapted for arboreal, burrowing, or aquatic lives, but most squamates are fundamentally terrestrial. There are over 7700 extant species: 4800+ lizards and 2900+ snakes. See also: Reptilia
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