Produced by the 'Evolutionary Morphology and Palaeobiology of Vertebrates Group' at the Palaeontological Institute of the University of Zürich (see website of Marcelo Sánchez' lab)

Growth series of Neusticosaurus peyeri, a middle Triassic marine reptile from the UNESCO site of Monte San Giorgio in Switzerland (see Sander 1989; O'Keefe et al. 1989). These fossils are deposited in the collections of the Palaeontologisches Institut und Museum der Universität Zürich (PIMUZ). Pictures are not to scale; the skeletal lengths from left to right are 5, 9.5, 16, 22 and 37 cm. Photos Copyright of the PIMUZ

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