Corythosaurus
Corythosaurus
Temporal range: Late Cretaceous (Campanian), 77–75.7 Ma
PreЄ
Є
O
S
D
C
P
T
J
Pg
N
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Scientific classification 
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| Unrecognized taxon (fix):
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Corythosaurus
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| Species
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- †C. casuarius
Brown, 1914 (type)
- †C. intermedius
(Parks, 1923 [originally Stephanosaurus])
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| Synonyms
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- Corythosaurus excavatus
Gilmore, 1923
- Stephanosaurus intermedius
Parks, 1923
- Procheneosaurus erectofrons
(Parks, 1931 [originally Tetragonosaurus])
- Tetragonosaurus erectofrons
Parks, 1931
- Corythosaurus bicristatus
Parks, 1935
- Corythosaurus brevicristatus
Parks, 1935
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Corythosaurus is a genus o hadrosaurid "deuk-billed" dinosaur from the Late Cretaceous period, aboot 77-75.7 million years ago.
