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The Yangtze giant softshell turtle (Rafetus swinhoei), also known commonly as the Red River giant softshell turtle, the Shanghai softshell turtle, the speckled softshell turtle, and Swinhoe's softshell turtle, is an extremely rare species of turtle in the family Trionychidae. It may be the largest living freshwater turtle in the world.
The Hoàn Kiếm turtle, also Rafetus leloii, was an obsolete or controversial taxon of turtle from Southeast Asia, based on specimens from Hoàn Kiếm Lake in Hanoi, Vietnam. Most experts classify this turtle as synonymous with the rare Yangtze giant softshell turtle ( Rafetus swinhoei ), although some Vietnamese biologists asserted that R ...
A possible third species, Rafetus leloii Hà, 2000 (synonym R. vietnamensis Le et al., 2010), known commonly as the Hoan Kiem turtle, has been proposed as a species. It is considered a junior synonym of Rafetus swinhoei by most authorities, [2] but some Vietnamese scientists insist the two forms are not identical. The last known individual at ...
Giant softshell turtle may refer to the following: . Asian giant softshell turtle (Pelochelys cantorii), or Cantor's giant softshell turtle; New Guinea giant softshell turtle (Pelochelys bibroni)
Yangtze giant softshell turtle (Rafetus swinhoei) Tortoises. Russian tortoise (Agrionemys horsfieldii) Elongated tortoise (Indotestudo elongata)
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Phylogenetic analyses in 2014 have estimated that the two living Rafetus species (R. swinhoei and R. euphraticus) diverged 20 million years ago, in the Early Miocene. [2] R. bohemicus is just slightly younger than this time of divergence, at 17.5 million years old, coinciding with a period of global warming known as the Mid-Miocene Climatic ...
Illustration of the Yangtze giant softshell turtle (Rafetus swinhoei) sent by Robert Swinhoe to John Edward Gray at the British Museum.. At a young age, he had been interested in birds and had made a small collection of British birds, nests and eggs.