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Rank Common name Scientific name Family Image Average mass (kg) Maximum mass (kg) Average length (m) Maximum length (m) Shoulder height (m) Native range
They estimated the individual died at 46 years of age, with a growth rate of 16 cm (6.3 in) per year, and a length of 2 m (6 ft 7 in) at birth. For a 15 m (49 ft) individual – which they considered to have been the maximum size attainable – this would equate to a lifespan of 88 to 100 years. [ 79 ]
Fasolasuchus is likely the largest known "rauisuchian", with an estimated length of 8 m (26 ft) [3] to 10 m (33 ft). [ 4 ] [ 5 ] This would make Fasolasuchus the largest terrestrial predator to have ever existed save for large theropods , surpassing the Cenozoic Barinasuchus , the "rauisuchian" counterpart Saurosuchus at 7 metres (23 ft), and ...
Prehistoric Predators is a 2007 National Geographic Channel program based on different predators that lived in the Cenozoic era, including Smilodon and C. megalodon.The series investigated how such beasts hunted and fought other creatures, and what drove them to extinction.
The prehistoric Australian megalania (Varanus priscus), which may have existed up to 40,000 years ago, is the largest terrestrial lizard known to exist, but the lack of a complete skeleton has resulted in a wide range of size estimates. Molnar's 2004 assessment resulted in an average weight of 320 kg (710 lb) and length of 4.5 m (15 ft), and a ...
The biggest odobenid and one of the biggest pinnipeds to have ever existed is Pontolis magnus, with a skull length of 60 cm (24 in) (twice as large as the skulls of modern male walruses) [151] and having a total body length of more than 4 m (13 ft). [152] [153] Only the modern male elephant seals reach similar sizes. [152]
The American lion is estimated to have measured 1.6 to 2.5 m (5 ft 3 in to 8 ft 2 in) from the tip of the nose to the base of the tail and stood 1.2 m (3.9 ft) at the shoulder. [25] Panthera atrox was sexually dimorphic, with an approximate range of between 235kg to 523 kg (518lbs-1153lbs) in males and 175kg to 365 kg (385lbs-805lbs) for ...
Knowledge of Deinosuchus remains incomplete, but better cranial material found in recent years has expanded scientific understanding of this massive predator. Although Deinosuchus was far larger than any modern crocodile or alligator, with the largest adults measuring 10.6 meters (35 ft) in total length, its overall appearance was fairly ...