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The following is a list of native wild mammal species recorded in Antarctica. There are 23 mammal species in Antarctica, all of which are marine. Three are considered endangered, one is vulnerable, eight are listed as data deficient, and one has not yet been evaluated. [1] Domesticated species, such as the dogs formerly present, [2] are not ...
Several species of marine worms are found in the Southern Ocean, including Parborlasia corrugatus and Eulagisca gigantea, which at lengths up to 2 m (6.6 ft) and 20 cm (8 in) respectively are examples of Polar gigantism. [56] [57] Like several other marine species of the region, Antarctic sponges are long-lived.
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Most species in Antarctica seem to be the descendants of species that lived there millions of years ago. As such, they must have survived multiple glacial cycles. The species survived the periods of extremely cold climate in isolated warmer areas, such as those with geothermal heat or areas that remained ice-free throughout the colder climate ...
The Register of Antarctic Marine Species has 9,350 verified species (16,500 taxa) in 17 phyla, from microbes to whales. For 1500 species the DNA barcode is available. The information from CAML is a robust baseline against which future change may be measured. [3]
Sparnotheriodontids lived in South America and Antarctica. Sparnotheriodontids and astrapotheres are the only clades of terrestrial placental mammals confirmed to have lived in Antarctica. [18] Sparnotheriodontids were browsing herbivores adapted to forest environments. [19] Their rarity in the fossil record suggests they were specialists. [20]
Astrapotheria is an extinct order of South American [2] and Antarctic [3] hoofed mammals that existed from the late Paleocene to the Middle Miocene 2] Astrapotheres were large, rhinoceros-like animals and have been called one of the most bizarre orders of mammals with an enigmatic evolutionary history.
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