Synapsidasynapsids


    • Allen's big-eared bat
      Idionycteris phyllotis
    • long-eared scaly-tailed flying squirrel
      Idiurus macrotis
    • pygmy scaly-tailed flying squirrel
      Idiurus zenkeri
    • Longman's beaked whale
      Indopacetus pacificus
    • indri
      Indri indri
    • indri
      Indri indri
    • indri
      Indri indri
    • indri
      Indri indri
    • indris, sifakas, and relatives
      Indriidae
    • Amazon river dolphin
      Inia geoffrensis
    • Chilean climbing mouse
      Irenomys tarsalis
    • northern brown bandicoot
      Isoodon macrourus
    • southern brown bandicoot
      Isoodon obesulus
    • yellow-crowned brush-tailed rat
      Isothrix bistriata
    • Atlantic bamboo rat
      Kannabateomys amblyonyx