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Giganotosaurus (/ ˌ ɡ ɪ ɡ ə ˌ n oʊ t ə ˈ s ɔː r ə s / GIG-ə-NOH-tə-SOR-əs [2]) is a genus of large theropod dinosaur that lived in what is now Argentina, during the early Cenomanian age of the Late Cretaceous period, approximately 99.6 to 95 million years ago.
The largest shark in the fossil record is the megalodon (Otodus megalodon), a colossal Neogene lamniform. The range of estimates of the maximum length for megalodon are from 17 to 20.3 m (56 to 67 ft), with a mass ranging from 65 to 114 short tons (59 to 103 t). [41] [42] [43] It is also regarded as the largest macro-predatory fish ever.
Fossil remains show a trend for specimens to be larger on average in the Southern Hemisphere than in the Northern, with mean lengths of 11.6 and 9.6 meters (38 and 31 ft), respectively; and also larger in the Pacific than the Atlantic, with mean lengths of 10.9 and 9.5 meters (36 and 31 ft) respectively.
It exceeded 3 m (9.8 ft) in length, and would have weighed in at around 200 kg (440 lb), much larger than any other known mustelid, living or extinct. [159] [160] [161] There were other giant otters, like Siamogale, at around 50 kg (110 lb) [162] and Megalenhydris, which was larger than a modern-day giant river otter. [163]
The plant-eating dicynodont Lisowicia bojani is the largest-known of all non-mammalian synapsids, at 4.5 m (15 ft) and 9,000 kg (20,000 lb). [65] [74] [75] The largest carnivorous therapsid was the aforementioned Anteosaurus from what is now South Africa during Middle Permian epoch. It reached 5–6 m (16–20 ft) long, and about 500–600 kg ...
Like other known megatooth sharks, the fossils of O. angustidens indicate that it was considerably larger than the extant great white shark, with the largest individuals possibly measuring up to 11–12 metres (36–39 ft) long. [7] [8] A well preserved specimen from New Zealand is estimated at 9.3 m (31 ft) in length. [5]
Well, a large cup in America is 1.5 times bigger than a large in Japan. And this is the kicker: ... Eating Well. 17 easy winter casseroles for better blood sugar. News. News. NBC Universal.
In zoology, deep-sea gigantism or abyssal gigantism is the tendency for species of deep-sea dwelling animals to be larger than their shallower-water relatives across a large taxonomic range. Proposed explanations for this type of gigantism include necessary adaptation to colder temperature, food scarcity, reduced predation pressure and ...