Sarcopterygiilobe-finned fishes and terrestrial vertebrates


    • white-tailed prairie dog
      Cynomys leucurus
    • white-tailed prairie dog
      Cynomys leucurus
    • white-tailed prairie dog
      Cynomys leucurus
    • black-tailed prairie dog
      Cynomys ludovicianus
    • black-tailed prairie dog
      Cynomys ludovicianus
    • black-tailed prairie dog
      Cynomys ludovicianus
    • black-tailed prairie dog
      Cynomys ludovicianus
    • black-tailed prairie dog
      Cynomys ludovicianus
    • black-tailed prairie dog
      Cynomys ludovicianus
    • black-tailed prairie dog
      Cynomys ludovicianus
    • black-tailed prairie dog
      Cynomys ludovicianus
    • black-tailed prairie dog
      Cynomys ludovicianus
    • black-tailed prairie dog
      Cynomys ludovicianus
    • black-tailed prairie dog
      Cynomys ludovicianus
    • black-tailed prairie dog
      Cynomys ludovicianus