Sarcopterygiilobe-finned fishes and terrestrial vertebrates


    • Couch's Spadefoot
      Scaphiopus couchii
    • Couch's Spadefoot
      Scaphiopus couchii
    • Couch's Spadefoot
      Scaphiopus couchii
    • Eastern Spadefoot
      Scaphiopus holbrookii
    • Eastern Spadefoot
      Scaphiopus holbrookii
    • Eastern Spadefoot
      Scaphiopus holbrookii
    • Eastern Spadefoot
      Scaphiopus holbrookii
    • Eastern Spadefoot
      Scaphiopus holbrookii
    • Eastern Spadefoot
      Scaphiopus holbrookii
    • Scarthyla goinorum
    • Sceloporus
    • Clark's Spiny Lizard
      Sceloporus clarkii
    • Clark's Spiny Lizard
      Sceloporus clarkii
    • Clark's Spiny Lizard
      Sceloporus clarkii
    • Clark's Spiny Lizard
      Sceloporus clarkii