[D] Tetragonosaurus praeceps [Su]
Describer
Parks, 1931
Time
Cretaceous Late
Classification
Ornithischia Ornithopoda Hadrosauridae Lambeosaurinae
Diet
Herbivore
Fossilsite
Oldman Formation, Red Deer River; 2 Miles Southeast of Mouth of sand Creek 300 Feet above river level, Alberta, Canada
Fall Under
Lambeosaurus
Info
Skull
Lambeosaurus (Parks, 1923) = Didanodon altidens (Osborn, 1902) Procheneosaurus (Matthew, 1920 partim)
Lambeosaurus (Parks, 1923) > Lambeosaurus lambei (Parks, 1923) >> Tetragonosaurus praeceps (Parks, 1931) Corythosaurus frontalis (Parks, 1935) Lambeosaurus clavinitialis (Sternberg, 1935) Hadrosaurus paucidens (Marsh, 1889)
Lambeosaurus > Lambeosaurus magnicristatus (Sternberg, 1935)
ROM 00758 Holotype skeleton; Skull complete; juvenile, collected in 1930