Paleontologists have studied the unusual necks of two species of Tanystropheus, a type of aquatic reptile that lived during the Triassic period some 242 million years ago and had an extraordinarily long and stiffened neck that was almost three times the length of its torso. An artistic rendition of the decapitation scene of Tanystropheus hydroides. Image credit: Roc Olivé, Institut Català de Paleontologia Miquel Crusafont / FECYT. Tanystropheus...
