Unranked clade
Valid Extinct

Eupachycephalosauria

Dieudonné et al. 2020

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
88
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Stegoceras 1
Pachycephalosaurus 2
Prenocephale 3
Homalocephale 4
1 Stegoceras · 2 Pachycephalosaurus · 3 Prenocephale · 4 Homalocephale
PBDB
Classification
Dinosauria Unranked clade
Ornithischia Unranked clade
Neornithischia Unranked clade
Pyrodontia Unranked clade
Cerapoda Unranked clade
Marginocephalia Unranked clade
Pachycephalosauria Suborder
Eupachycephalosauria Unranked clade
Fossil sites 88 geolocated sites
Distribution
Top countries
🇺🇸 United States
56
🇨🇦 Canada
25
🇲🇳 Mongolia
7
Geological formations
Lance
9
Nemegt
6
Ferris
3
Oldman
2
Aguja
1
Temporal distribution
Maastrichtian (72.2–66 Ma)
41
Campanian (83.6–72.2 Ma)
47
Bibliography
Original description
P.-E. Dieudonné, P. Cruzado-Caballero, and P. Godefroit, T. Tortosa. 2020. A new phylogeny of cerapodan dinosaurs. Historical Biology DOI ↗
Bibliography (33)
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