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In 2020, Cooper and his colleagues reconstructed a 2D model of megalodon based on the dimensions of all the extant lamnid sharks and suggested that a 16 meters (52 ft) long megalodon would have had a 4.65 m (15.3 ft) long head, 1.41 m (4 ft 8 in) tall gill slits, a 1.62 m (5 ft 4 in) tall dorsal fin, 3.08 m (10 ft 1 in) long pectoral fins, and ...
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).
Using an anterior tooth with the tallest crown height available, NSM PV-19896 (12 cm (4.7 in) crown height), Shimada estimated a TL of 14.2 metres (47 ft). Using the overall tallest anterior tooth, FMNH PF 11306 (16.2 cm (6.4 in) cm total height), and using the Gottfried equation produced a TL estimate of 15.3 metres (50 ft).
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Metric prefixes; Text Symbol Factor or; yotta Y 10 24: 1 000 000 000 000 000 000 000 000: zetta Z 10 21: 1 000 000 000 000 000 000 000: exa E 10 18: 1 000 000 000 000 000 000: peta P 10 15: 1 000 000 000 000 000: tera T 10 12: 1 000 000 000 000: giga G 10 9: 1 000 000 000: mega M 10 6: 1 000 000: kilo k 10 3: 1 000: hecto h 10 2: 100 deca da 10 ...
It can grow up to a 5.2 m (17 ft) disk width, a total length of 6.5 m (21 ft) and a weight of at least 1,000 kg (2,200 lb). [ 48 ] [ 49 ] The largest stingray is generally accepted to be the short-tail stingray ( Dasyatis brevicaudata ), found off the southern tip of Africa and Australasia, at up to 4.3 m (14 ft) across the disk and weighing ...
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 carnivorous bird was Brontornis, an extinct flightless bird from South America which reached a weight of 350 to 400 kg (770 to 880 lb) and a height of about 2.8 m (9 ft 2 in). [176] The tallest carnivorous bird was Kelenken , which could reach 3 to 3.2 meters in height and 220 to 250 kilograms.