Sarcopterygiilobe-finned fishes and terrestrial vertebrates


    • hispid cotton rat
      Sigmodon hispidus
    • hispid cotton rat
      Sigmodon hispidus
    • hispid cotton rat
      Sigmodon hispidus
    • hispid cotton rat
      Sigmodon hispidus
    • yellow-nosed cotton rat
      Sigmodon ochrognathus
    • Silurana tropicalis
    • simakobou
      Simias concolor
    • Southern Shovel-nosed Snake, Half-girdled Snake
      Simoselaps semifasciatus
    • Panama Spotted Night Snake
      Siphlophis cervinus
    • Tropical Flat Snake
      Siphlophis compressus
    • Tropical Flat Snake
      Siphlophis compressus
    • Siphonops paulensis
    • Wallace's fairy-wren
      Sipodotus wallacii
    • great spinetail
      Siptornopsis hypochondriaca
    • Lesser Siren
      Siren intermedia