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Megalochelys ("great turtle") is an extinct genus of tortoises that lived from the Miocene to Pleistocene. They are noted for their giant size, the largest known for any tortoise, with a maximum carapace length of over 2 m (6.5 ft) in M. atlas .
Tortoises removed include members of Aldabrachelys (from the Seychelles and Madagascar), Astrochelys [2] (Madagascar), Chelonoidis (South America and the Galápagos Islands), Stigmochelys [2] and Centrochelys (Africa), and the extinct Megalochelys (southern Asia). These species are also unique for their ability to remember patterns and spatial ...
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.
Both Megalochelys and Titanochelon reached sizes substantially greater than modern giant tortoises, with up to 2.4 m (7 ft 10 in) and 2 m (6 ft 7 in) shell lengths respectively. The phenomenon of animal species evolving in cache to unusually large size on islands (in comparison to continental relatives) is known as island gigantism or insular ...
Stylemys (meaning "pillar turtle") is the first fossil genus of dry land tortoise belonging to the order Testudines discovered in the United States. The genus lived in temperate to subtropical areas of North America, Europe, and Asia, based on fossil distribution. [1] The genus was first described in 1851 by Joseph Leidy. [2]
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Bumble Bee Joins Endangered Species List Suckley’s cuckoo bumble bee may be classified as endangered under the Endangered Species Act after a recommendation from the U.S. Fish and Wildlife Service.
Asmodochelys is an extinct genus of sea turtle from the Late Cretaceous Demopolis Chalk of Alabama and Mississippi. It is known from the species A. parhami . [ 1 ]