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Temporal range: Upper Triassic
Mystriosuchus (meaning "spoon-crocodile") is an extinct genus of phytosaur that lived in the Late Triassic (middle Norian) in Europe. It was first named by Eberhard Fraas in 1896, and includes two species: M. westphali (formerly M. plieningeri) and the type species, M. planirostris . Mystriosuchus planirostris measured about four metres long (13 ft), according to a complete skeleton which was found in 1995.  The postcranial anatomy of the skeleton suggests that Mystriosuchus was more adapted to aquatic life than other known phytosaurs , while cranial morphology is suggestive of a primarily fish eating diet.
Mystriosuchus used to placed in its own subfamily, Mystriosuchinae, however, recent research demonstratred that it belongs to the subfamily Pseudopalatinae, despite having several physical differences from most of the genera in this group . Originally considered to be a freshwater genus, a recent specimen from Northern Italy has shown that some Mystriosuchus specimens lived a completely marine life.
- dipbsf.uninsubria.it Mystriosuchus planirostris description Retrieved on May 25th, 2008.
- Hungerbühler, A. 2002. The Late Triassic phylosaur Mystriosuchus westphali, with a revision of the genus. Palaeontology 45(2): 377-418.
- Gozzi, E. & Renesto, S.A. 2003. Complete specimen of Mystriosuchus (Reptilia, Phytosauria) from the Norian (Late Triassic) of Lombardy (Northern Italy). Rivista Italiana Di Paleontologia e Stratigrafia 109(3): 475-498.
- von Huene, F. 1915. On reptiles of the New Mexican Trias in the Cope Collection. Bulletin of the American Museum of Natural History 34: 485-507.
- Long, R.A. & Murry, P.A. 1995. Late Triassic (Carnian and Norian) tetrapods from the southwestern United States. Bulletin of the New Mexico Museum of Natural History and Science 4 254 pp.
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