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Fossils show that podocnemidids were once found in Europe, Asia, North America, and Africa. Stupendemys lived around 5.5 million years ago in northern South America, and was the largest freshwater turtle with a carapace length of 2.4 metres (7.9 ft), the largest of any known turtle and is the largest pleurodire known. [10]
The shells could reach a length of at least 50 centimetres (1.6 ft) for North American species, some species like A. kohaku had carapace length of 60 centimetres (2.0 ft). [1] The largest species, A. kirtlandius had carapace reaching 113 centimetres (3.71 ft). [2] These large freshwater turtles had an omnivorous diet.
Turtles of North America. Turtles , tortoises , and terrapins native to terrestrial−land , freshwater , and coastal marine ecosystems and habitats of North America , including in the sub-bioregions of Central America and the Caribbean .
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]
During the Triassic, corals were rare in North America. Nevertheless, some were present on the west coast, although these corals did not congregate into reefs. [49] Ichthyosaurs were one of the most important groups of marine reptiles during the Triassic. Important ichthyosaur fossils of this age were preserved in Nevada. [50]
English. Read; Edit; View history; Tools. ... Cretaceous turtles of North America (1 C, 2 P) E. Early Cretaceous turtles ... Pages in category "Cretaceous turtles"
The word turtle is borrowed from the French word tortue or tortre 'turtle, tortoise'. [3] It is a common name and may be used without knowledge of taxonomic distinctions. In North America, it may denote the order as a whole. In Britain, the name is used for sea turtles as opposed to freshwater terrapins and land-dwelling tortoises. In Australia ...
Mesozoic turtles of North America (1 C, 1 P) Pages in category "Prehistoric turtles of North America" The following 4 pages are in this category, out of 4 total.