Scolecophidia – Cope , 1864 Anomalepididae – Taylor , 1939 Leptotyphlopidae – Stejneger , 1892 Typhlopidae – Merrem , 1820 A snake is an elongate reptile of the suborder Serpentes. Like all reptiles, snakes are ectothermic and covered in scales . All snakes are carnivorous and can be distinguished from legless