Tetraprotodon, [274]

Thalassarctos, [443]

Theropithecus, [566]

Thoatherium, [268]

Thomomys, [483]

Thrinacodus, [489];

T. albicauda, [489]

Thrynomys, [489];

T. swindernianus, [489]

Thylacinus, [150];