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This exceeds the size of the Vienna-specimen of the Cretaceous sea turtle Archelon, the largest known turtle, (carapace length 2.20 meters). [ 4 ] The weight of Stupendemys was estimated based on the straight carapace length, with calculations indicating a weight of 871 kg for CIAAP-2002-01 and 744 kg for MCZ(P)-4376, the former largest known ...
[42] [43] [35] The whale shark is the largest living fish, with one large female reported with a precaudal length of 15 meters (49 ft) and an estimated total length of 18.8 meters (62 ft). [ 42 ] [ 44 ] It is possible that different populations of megalodon around the globe had different body sizes and behaviors due to different ecological ...
As an avid wildlife artist who disdained drawing from mounts or photographs, instead preferring to draw from life, Knight grew up drawing living animals, but turned toward prehistoric animals against the backdrop of rapidly-expanding paleontological discoveries and the public energy that accompanied the sensationalist coverage of these ...
The remarkably well-preserved skull of a gigantic pliosaur, a prehistoric sea monster, has been discovered on a beach in the county of Dorset in southern England, and it could reveal secrets about ...
The research team found that one G. mauretanica trilobite had tiny shelled animals called brachiopods, measuring about 0.04 inch (1 millimeter) long, still clinging to its face.
The largest prehistoric horse was Equus giganteus of North America. It was estimated to grow to more than 1,250 kg (1.38 short tons) and 2 m (6 ft 7 in) at the shoulders. [138] The largest anchitherine equid was Hypohippus at 403 to 600 kg (888 to 1,323 lb), comparable to large modern domestic horses.
Basilosaurus is thought to have been one of the largest animals of the Paleogene, with the type species B. cetoides measuring around 17–20 metres (56–66 ft) long and weighing up to 15 metric tons (17 short tons). It was the top predator of its environment in the shallows of the inland sea, preying on sharks, large fish and other marine mammals.
Prehistoric marine reptiles (6 C, 15 P) T. Trilobozoa (8 P) Pages in category "Prehistoric marine animals" The following 38 pages are in this category, out of 38 total.