- Botta's pocket gopher
Thomomys bottae
- lesser cane rat
Thryonomys gregorianus
- greater cane rat
Thryonomys swinderianus
- Tasmanian wolf
Thylacinus cynocephalus
- Tasmanian wolf
Thylacinus cynocephalus
- Tasmanian wolf
Thylacinus cynocephalus
- red-legged pademelon
Thylogale stigmatica
- Peter's disk-winged bat
Thyroptera discifera
- Spix's disk-winged bat
Thyroptera tricolor
- southern three-banded armadillo
Tolypeutes matacus
- southern three-banded armadillo
Tolypeutes matacus
- fringe-lipped bat
Trachops cirrhosus
- silvered leaf monkey
Trachypithecus cristatus
- greater kudu
Tragelaphus strepsiceros
- lesser mouse-deer
Tragulus javanicus
