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Hesperosuchus: Beast of the Week
01 February 2026 EN prehistoricbeastoftheweek

Hesperosuchus: Beast of the Week

Mexico United States Late Triassic Triassic fossil skeleton

This week we will be checking out a relative of modern crocodilians that has tricked scientists multiple times!  Enter Hesperosuchus agilis!Hesperosuchus was a pseudosuchian (related to crocodilians) that lived in what is now Arizona and New Mexico, USA, during the late Triassic period, about 210 million years ago.  It would have been a meat-eater and from snout to tail the most complete skeleton measures about four feet (1.2m) but other fossils suggest it could have grown larger, up to about si

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