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Using this method, initial size estimates proposed a total body length of approximately 12.82 m (42.1 ft) (± 2.18 m (7 ft 2 in)). Weight was determined by comparing Titanoboa to the extant green anaconda and the southern rock python, resulting in a weight between 652 and 1,819 kg (1,437 and 4,010 lb) (mean estimate 1,135 kg (2,502 lb)).
They had a broad flat body, a short tail, and strong flippers. Most of the Plesiosauroidea group are identified by their long necks, while Pliosauroidea are usually short-necked. The largest known plesiosauroid is Aristonectes, with a body length of 10–11.86 metres (32.8–38.9 ft) and body mass of 10.7–13.5 t (24,000–30,000 lb). [115]
• 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.
Little information about size is available [3] [54] Range shown as dark green region 8 Amethystine python: Simalia amethistina (recently recognized as distinct from S. kinghorni) Pythonidae: Able to reach 20 kg (44 lb), [55] and probably larger Little information about size is available [3] [54] Able to reach 5.5 m (18 ft 1 in) [55]
It was the size of a sheep, weighing probably up to 30 kg (66 lb). [37] The largest known ornithorhynchid is Obdurodon tharalkooschild, it was even larger than 70 cm (28 in)-long Monotrematum sudamericanum. [38] Kollikodon ritchiei was likely the largest monotreme in the Mesozoic. Its body length could be up to a 1 m (3 ft 3 in). [39]
The former equation resulted in a body length range of 10.9–12.2 metres (36–40 feet), while the latter equation resulted in a body length range of 14.5–15.2 metres (48–50 feet). [2] Although the vertebral dimensions of Vasuki are smaller than those of Titanoboa (estimated at 12.8 m (42 ft) ± 2.2 m (7 ft 3 in)), the largest length ...
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Based on the size of the giant boid Titanoboa, specimens of which have been found in the Cerrejón Formation, the mean annual temperature of Paleocene equatorial South America was between 30 °C (86 °F) and 34 °C (93 °F). This is the minimum annual temperature range that a poikilotherm as large as Titanoboa could live. [9]