Stygimoloch
… (meaning “devil from the Styx) is a putative genus of pachycephalosaurid dinosaur from the end of the Cretaceous period, roughly 65 million years ago. It is currently known from the Western Interior (United States), where it lived alongside Tyrannosaurus and Triceratops. It may represent a sub-adult form of Pachycephalosaurus.
The type species, S. spinifer, was described by British vertebrate paleontologist Peter Galton and German paleontologist Hans-Dieter Sues of the National Museum of Natural History in 1983.
It is a relatively large pachycephalosaur, with the skull being about 46 centimeters long (18 in). Among North American pachycephalosaurs, only Pachycephalosaurus is larger. Unlike other pachycephalosaurs, the domed skull is relatively small, slightly flattened from side to side, and pear-shaped…
(read more: Wikipedia)
(images: TL - LoKiLeCh, TR - Jose Miguel Pino; B - Matt Martyniuk)
