STL Science Center

STL Science Center

22 April 2016

Size and Andrewsarchus

How large is the purported largest terrestrial carnivore that ever lived? Andrewsarchus mongoliensis had the largest carnivore-like skull known for a terrestrial animal. At approximately 3 feet long, the skull is absolutely massive for a carnivorous animal, as we see them today. A modern adult tiger has a skull measuring 1.3 feet in length. A tiger is a large predator. Andrewsarchus was a nearly 3 times larger predator, if we assume the body estimate is allometric with the skull. Artistic interpretation of the size estimates of Andrewsarchus look something like this, which is quite impressive:

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