Sauria, Suborder
Savanna Elephant
Scandentia, Order
Sciuridae, Family
Scorpiones, Order
Scorpionida, Order
Scorpions
Sea Otter
Serpentes, Suborder
Short-Beaked Common Dolphin
Short-headed Possum
Shrew Opossums
Siluriformes, Order
Sirenia, Order
Slender-snouted Crocodile
Snakes
Sooty Kangaroo
South African Bush Elephant
South American Alligator
Southeastern River Otter
Southern Sea Otter
Sphenodons
Squamata, Order (amphisbaenas)
Squamata, Order (lizards)
Squamata, Order (snakes)
Squid
Subwater Crocodile
Sugar Glider
Symbiida, Order
Symbiidae, Family