English: Size comparison of the extinct marine reptile Helveticosaurus compared to a human. Silhouette primarily based on https://commons.wikimedia.org/wiki/File:Helveticosaurus_Naish.jpg by Darren Naish, released under a CC-BY-SA 3.0 license, with modification after information contained in " "FIRST SKELETAL REMAINS OF HELVETICOSAURUS FROM THE MIDDLE TRIASSIC ITALIAN OUTCROPS OF THE SOUTHERN ALPS, WITH REMARKS ON AN ISOLATED TOOTH" by Bindellini, Gabriele; Sasso, Cristiano Dal
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