Is the Archelon turtle extinct?
ExtinctArchelon / Extinction status
Archelon, extinct giant sea turtle known from fossilized remains found in North American rocks of the Late Cretaceous epoch (100 million to 66 million years ago). Archelon, protected by a shell similar to that found in modern sea turtles, reached a length of about 3.5 m (12 feet).
Are turtles related to Archelon?
Sea turtles have been around for more than 100 million years, and Archelon is the largest marine turtle known to ever have been in the ocean. This ancient reptile is most closely related to today’s leatherbacks and lived during the Late Cretaceous period.
When did Archelon turtle go extinct?
When did the Archelon turtle become extinct? There are no studies that would tell us the timeline when we could term the Archelon extinct. However, it may be assumed that if these animals managed to live throughout the Cretaceous period, they might have become extinct around 66 million years ago.
Is the Archelon still alive?
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 460 cm (15 ft) from head to tail, 400 cm (13 ft) from flipper to flipper, and 2,200 kg (4,900 lb) in weight.
Where was Archelon found?
In 2002, while hiking along the Sheyenne River valley near Cooperstown, Griggs County, Peter Mack of Christine, North Dakota (formerly of Cooperstown) discovered a portion of the lower jaw and several other bones of the giant sea turtle called Archelon (Figures 1 and 2).
How did Archelon go extinct?
The increasing threat of egg or hatchling predation by new marine or mammalian species may have led to the extinction of Archelon, and the disappearance of gigantic protostegids seems to have coincided with the increasing size of dermochelyids.
What is the biggest turtle ever recorded?
The largest leatherback turtle ever recorded is a male found dead on the beach at Harlech, Gwynedd, on 23 September 1988. It measured 2.91 m (9 ft 5½ in) in total length over the carapace, 2.77 m (9 ft) across the front flippers and weighed 961.1 kg (2,120 lb).
Why did Archelon become extinct?
The rapid growth of living standards, the urbanization of coasts, ocean pollution and overfishing are only a few of the problems on this planet that lead this rare species to extinction at the moment.