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Based on comparison between the undistorted Titanoboa vertebrae and the skeleton of modern boas, Head and colleagues found that the analyzed specimens fit a position towards the later half of the precloacal vertebral column, approximately 60 to 65% back from the first two neck vertebrae. Using this method, initial size estimates proposed a ...
Megalodon size estimates vary depending on the method used, with maximum total length estimates ranging from 14.2–20.3 meters (47–67 ft). [ 35 ] [ 40 ] [ 25 ] A 2015 study estimated the modal total body length at 10.5 meters (34 ft), calculated from 544 megalodon teeth, found throughout geological time and geography, including juveniles and ...
Size comparison between a human and two species of Basilosaurus, B. cetiodes (dark blue) and B. isis The heaviest archeocete , and possibly the heaviest known mammal was Perucetus , with weight estimated at 85–340 t (84–335 long tons; 94–375 short tons), while length is estimated at 17.0–20.1 meters (55.8–65.9 ft), [ 110 ] possibly ...
A size comparison between a human and 4 moa species: 1. ... large snakes (e.g. Titanoboa) or varanid lizards, or by flightless birds [8] ... (Otodus megalodon ...
A new study posits that the ancient megalodon shark was longer and slimmer than previously believed. The ancient shark has been compared to the great white, but it may have more closely resembled ...
The largest of the monitor lizards (and the largest extant lizard in genera) is the Komodo dragon (Varanus komodoensis), endemic to the island of its name, at a maximum size of 3.13 m (10.3 ft) long and 166 kg (366 lb), although this is currently the only record that places the mass above 100 kg (220 lb). [1]
11 Megalodon. 15 comments. 12 Atopodentatus Life Reconstruction. ... 48 Titanoboa Size Comparison Update. 7 comments. 49 Burgess Shale. 10 comments. 50 Basilosaurus ...
• Titanoboa cerrejonensis is an extinct boid only known from large vertebrae and skull material, but size estimates suggest it is one of the largest snakes known. In 2009, Jason Head and colleagues estimated it at ~12.8 metres (42 ft) (+/-2.18 m) by regression analysis that compared vertebral width against body lengths for extant boine snakes.