Synapsidasynapsids


    • caribou
      Rangifer tarandus
    • caribou
      Rangifer tarandus
    • steenbok
      Raphicerus campestris
    • steenbok
      Raphicerus campestris
    • Polynesian rat
      Rattus exulans
    • brown rat
      Rattus norvegicus
    • brown rat
      Rattus norvegicus
    • brown rat
      Rattus norvegicus
    • brown rat
      Rattus norvegicus
    • house rat
      Rattus rattus
    • Sri Lankan giant squirrel
      Ratufa macroura
    • southern reedbuck
      Redunca arundinum
    • bunny rat
      Reithrodon auritus
    • fulvous harvest mouse
      Reithrodontomys fulvescens
    • Asian one-horned rhinoceroses
      Rhinoceros