Allen Cays Rock Iguana
    Andros Rock Iguana
      Black-chested Spiny-tailed Iguana
      Central Fijian Banded Iguana
        Common Green Iguana, St. Lucia
          Five-keeled Spiny-tailed Iguana
            Lau Banded Iguana
              Lesser Antillean Iguana
                Mona Rhinoceros Iguana
                  Motagua Spiny-tailed Iguana
                    Turks and Caicos Rock Iguana