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Archelon is an extinct marine turtle from the Late Cretaceous, and is the largest turtle ever to have been documented, with the biggest specimen measuring 4.6 m (15 ft) from head to tail and 2.2–3.2 t (2.4–3.5 short tons) in body mass.
Skeletal mount of Archelon, which is considered as one of the largest turtles to have ever existed. There are many extinct turtles that vie for the title of the largest ever. [1] The largest freshwater turtle seems to be Stupendemys, with an estimated parasagittal carapace length of 2.86 m (9 ft 5 in) and weight of up to 1,145 kg (2,524 lb). [112]
One species of Megalochelys, M. atlas, is the largest known tortoise, with shells of 2 m (6 ft 7 in) in length having been reported. [2] Popular weight estimates for this taxon have varied greatly with the highest estimates reaching up to 4,000 kg (8,800 lb) in some instances. [3]
In Texas, there are many areas where you can watch turtles bask in the hot sun and swim in the fresh, shallow water. Use this handy guide Their slow-moving mannerisms and rigid shield make them ...
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The largest known turtle ever was Archelon ischyros at 5 m (16 ft) long and 2,200 kg (4,900 lb). [280] Possible second-largest sea turtle was Protostega at 3.9 m (13 ft) in total body length. [281] [282] There is even a larger specimen of this genus from Texas estimated at 4.2 m (14 ft) in total length.
It is the largest turtle ever to have been sufficiently documented, with the biggest specimen measuring 4.6 m from head to tail and 2.2–3.2 t in body mass. †Atlantochelys. 83 Mya New Jersey: An extinct large marine turtle in the family Protostegidae. Though known from single humerus its full size has been extrapolated as being 3 m. †Basilemys
The family includes some of the largest sea turtles that ever existed. The largest, Archelon , had a head one metre (39 in) long. Like most sea turtles, they had flattened bodies and flippers for front appendages; protostegids had minimal shells like leatherback turtles of modern times.