Sarcopterygiilobe-finned fishes and terrestrial vertebrates


    • Sabine's gull
      Xema sabini
    • Sabine's gull
      Xema sabini
    • Stephens Island wren
      Xenicus lyalli
    • Slender Quill-snouted Snake
      Xenocalamus bicolor
    • Amazon False Fer-de-lance
      Xenodon severus
    • Sunbeam Snake
      Xenopeltis unicolor
    • Wucherer's Ground Snake
      Xenopholis scalaris
    • Xenophrys parva
    • rufous-tailed xenops
      Xenops milleri
    • African Clawed Frog
      Xenopus laevis
    • Xenopus muelleri
    • Xenopus muelleri
    • Knob-scaled Lizard
      Xenosaurus grandis
    • Newman's Knob-scaled Lizard
      Xenosaurus newmanorum
    • Flathead Knob-scaled Lizard
      Xenosaurus platyceps