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A C. megalodon about 16 meters long would have weighed about 48 metric tons (53 tons). A 17-meter (56-foot) C. megalodon would have weighed about 59 metric tons (65 tons), and a 20.3-meter (67 foot) monster would have topped off at 103 metric tons (114 tons). [45]
This species has been confirmed to as much as 6.4 m (21 ft) in length and a weight of 1,397 kg (3,080 lb), although specimens of up to 7.3 m (24 ft) have been reportedly caught. [ 1 ] [ 63 ] The Pacific sleeper shark ( Somniosus pacificus ) has been measured only to 4.4 m (14 ft) and 888 kg (1,958 lb) in a gravid female, although specimens up ...
The largest and widest tooth available to Perez et al., GHC 6 (13.3 cm (5.2 in) crown width), produced estimates ranging from 17.4 to 24.2 meters (57 to 79 ft) with a mean estimate of 20.3 metres (67 ft). [6] Cooper et al. (2022) digitised a megalodon vertebral column of ~150 vertebrae, IRSNB P 9893, and attempted a 3d reconstruction of megalodon.
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Conversions between units in the metric system are defined by their prefixes (for example, 1 kilogram = 1000 grams, 1 milligram = 0.001 grams) and are thus not listed in this article. Exceptions are made if the unit is commonly known by another name (for example, 1 micron = 10 −6 metre).
The living gastropod species that has the largest (longest) shell is Syrinx aruanus with a maximum shell length of 0.91 m (3.0 ft), a weight of 18 kg (40 lb) and a width of 96 cm (38 in). [ 251 ] [ 252 ] Another giant species is Melo amphora , which in a 1974 specimen from Western Australia, measured 0.71 m (2.3 ft) long, had a maximum girth of ...
A largest verified specimen is 12.65 m [2], however, several specimens over 18 m in length have been reported. [3])and Carcharodon megalodon (Average estimated adults size about 16 - 18 m, and a largest size of 20.3 m was extrapolated from ontogenetic trends of the great white shark by Gottfried et al. 1996. [4]) to a human Homo sapiens (180 cm).
The largest carnivoran as well as the largest pinniped is the southern elephant seal (Mirounga leonina), attaining sizes up to 5,000 kg (11,000 lb) in weight and 6.9 m (23 ft) in length. [26] The largest living land carnivoran, on average, is the polar bear (Ursus maritimus). It can reach a shoulder height of over 1.6 m (5.2 ft) and total ...