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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.
The largest extant turtle is the leatherback sea turtle (Dermochelys coriacea), reaching a maximum total length of 3 m (10 ft) and a weight of 961 kg (2,119 lb). [1] [96] The second-largest extant testudine is the Loggerhead sea turtle. It tends to weight slightly more average weight than the green sea turtle, and reaches more massive top sizes.
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.
Measuring nearly four metres in length, the species is thought to be the largest in Europe. 72-million-year-old turtle ‘is one of the largest to have ever lived’ Skip to main content
Pandermochelys is a clade of sea turtles belonging to the superfamily Chelonioidea. [1] It is defined as all turtles more closely related to leatherback sea turtles than to cheloniids (green sea turtles and relatives). [2] It includes the largest living turtles, the leatherback sea turtle, as well as the largest sea turtles of all time, Archelon.
The species of turtle roamed modern-day Colombia ten million years ago.
The leatherback sea turtle (Dermochelys coriacea), sometimes called the lute turtle, leathery turtle or simply the luth, is the largest of all living turtles and the heaviest non-crocodilian reptile, reaching lengths of up to 2.7 metres (8 ft 10 in) and weights of 500 kilograms (1,100 lb).
An endangered sea turtle has finally been returned to the warm waters of the Gulf of Mexico off the Texas coast after its incredible 5,000-mile story of survival that began in Europe one year ago.