Parasaurolophus
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Parasaurolophus is a genus of hadrosaurid "duck-billed" dinosaur that lived in what is now western North America and possibly Asia during the Late Cretaceous period, about 76.5–73 million years ago. I
FMNH Parasaurolophus fossil
Holotype specimen of P. walkeri, showing the pathologic v-shaped notch
Skull diagram of juvenile P. cyrtocristatus
Closeup of P. walkeri beak and teeth
Charonosaurus
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Charonosaurus is a genus of lambeosaurine hadrosaurid dinosaur similar to Parasaurolophus that lived in the latest Cretaceous Yuliangze Formation of China. Its fossils were described by Godefroit, Zan
Parasaurolophus
…P. cyrtocristatus. Additionally, a fourth species, P. jiayinensis, has been proposed, although it is more commonly placed in the separate genus Charonosaurus. Remains are known from Alberta, New Mexico, and Utah, as well as possibly Heilongjiang if Charonosaurus is in fact part of the genus. The genus was…
Charonosaurus jiayinensis.001 MSN Brussel
The Amur/Heilongjiang region. Triangles indicate sites where hadrosaur fossils are known.
Reconstructed skull in semi-profile