DEINODON
a dubious tyrannosaurid theropod dinosaur from the Late Cretaceous of Montana.
Pronunciation: DIE-no-don
Meaning: Terrible tooth
Author/s: Leidy (
1856)
Synonyms: See
below
First Discovery: Montana, USA
Discovery Chart Position: #13
Deinodon horridus
(Rough Terrible Tooth)Etymology
Deinodon is derived from the Greek "deinos" (terrible) and "odon" (tooth).
The
species epithet,
horridus, means "rough" in Latin.
Megalosaurus? (
Deinodon)
horridus (Leidy, 1857)
Aublysodon horridus (Cope, 1868)
Aublysodon lateralis (Cope, 1876)
Laelaps incrassatus (Cope, 1876)
Dryptosaurus kenabekides (Hay, 1899)
Deinodon kenabekides (Olshevsky, 1995)
Deinodon grandis (Osborn, 1916)
Discovery
The first remains of
Deinodon were discovered in the Judith River formation, Nebraska Territory, Montana, USA, by Dr Ferdinand Vandeveer Hayden in 1854.
The
holotype (ASNP 9534) is nine tooth fragments.
Estimations
Timeline:
Era: Mesozoic
Epoch: Late Cretaceous
Stage: Campanian
Age range: 77 mya
Stats:
Est. max. length: ?
Est. max. hip height: ?
Est. max. weight: ?
Diet: Carnivore
References
• Leidy J (1856) "
Notices of the remains of extinct reptiles and fishes, discovered by Dr. F.V. Hayden in the badlands of the Judith River, Nebraska Territory".
Proceedings of the Academy of Natural Sciences of Philadelphia, 8(2): 72-73.
• Cope ED (1866) "Discovery of a gigantic dinosaur in the Cretaceous of New Jersey".
Proceedings of the Academy of Natural Sciences of Philadelphia, 18: 275-279.
• Leidy (1868) "
Remarks on a jaw fragment of Megalosaurus".
Proceedings of the Academy of Natural Sciences of Philadelphia, 20: 197-200.
• Cope ED (1876) "
Descriptions of some vertebrate remains from the Fort Union Beds of Montana".
Proceedings of the Academy of Natural Sciences of Philadelphia, 28: 248-261. [Aublysodon lateralis, sp. nov. / Laelaps explanatus, sp. nov. /]
• Lambe L (1902) "
On Vertebrata of the Mid-Cretaceous of the North West Territory".
Contributions to Canadian Palaeontology, Volume III, Part II. [Deinodon explanatus}
• Matthew WD and Brown B (1922) "
The family Deinodontidae, with notice of a
new genus from the Cretaceous of Alberta".
Bulletin of the American Museum of Natural History, 46(6): 367-385.
Time stands still for no man, and research is ongoing. If you spot an error, or want to expand, edit or add a dinosaur, please use
this form. Go
here to contribute to our FAQ.
All dinos are GM free, and no herbivores were eaten during site construction!
To cite this page:
Atkinson, L.
"
DEINODON :: from DinoChecker's dinosaur archive".
‹
http://www.dinochecker.com/dinosaurs/DEINODON›. Web access: 06th Mar 2026.
