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As of September 2016, the International Union for Conservation of Nature (IUCN) lists 24 extinct species, 17 possibly extinct species, and two extinct in the wild species of reptile. [ 1 ] [ 2 ] Turtles and tortoises
The Lapitiguana is the largest iguana fossils. The extant members of genus Brachylophus are iguanas small and medium-sized, growing a length of 60–75 cm (24–30 in). ). Although, in the past there was a much larger member of this family – Brachylophus gibbonsi, reached in length of 1.2 m (3.9 ft), [citation needed] and thus, was 1.8 times longer than its modern re
Brachylophus species are the most geographically isolated iguanas in the world. Their closest extant relatives (the genera Amblyrhynchus, Conolophus, Ctenosaura, Cyclura, Iguana and Sauromalus [2]) are present in primarily tropical regions of the Americas and islands in the Galápagos and Lesser and Greater Antilles.
An even larger Fijian iguana of the genus Lapitiguana was also formerly present, and also became extinct shortly after the arrival of humans. The genus Brachylophus is thought to have reached the South Pacific by rafting on the South Equatorial Current 9000 km westward from the Americas, where their closest extant relatives remain.
Lapitiguana impensa is an extinct giant (1.5 m long) iguanid from Fiji. [1] It probably became extinct following the human colonization of Fiji 3000 years ago. [1] All extant Fijian iguanas are in the genus Brachylophus, together with an extinct species from Tonga. The closest living relatives of the Polynesian iguanas are found in the Americas ...
The IUCN also lists nine reptile subspecies as endangered. Of the subpopulations of reptiles evaluated by the IUCN, one species subpopulation has been assessed as endangered. For a species to be considered endangered by the IUCN it must meet certain quantitative criteria which are designed to classify taxa facing "a very high risk of extinction".
The marine iguana (Amblyrhynchus cristatus), also known as the sea iguana, saltwater iguana, or Galápagos marine iguana, is a species of iguana found only on the Galápagos Islands . Unique among modern lizards , it is a marine reptile that has the ability to forage in the sea for algae , which makes up almost all of its diet. [ 3 ]
The only non-American iguana species are the members of the genus Brachylophus and the extinct Lapitiguana, which are found on Fiji and formerly Tonga; their distribution is thought to be the result of the longest overwater dispersal event ever recorded for a vertebrate species, with them rafting over 8000 km across the Pacific from the ...