Look up a dinosaur

The genus Acrotholus dates to 2013, the year D. C. Evans and colleagues described it.

Fossils referred to Acrotholus date to the Late Cretaceous (Santonian), roughly 85.7 to 83.6 million years ago. Finds come from Canada, including the Milk River Formation. It was a herbivore and walked on two legs.

The genus Alaskacephale dates to 2006, the year R. M. Sullivan described it. The name honors a person tied to the fossil or its study.

It lived in the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from the United States, including the Prince Creek Formation. It was a herbivore and walked on two legs.

In 2011, M. Watabe and colleagues published the name Amtocephale. The name honors a person tied to the fossil or its study.

It lived in the Late Cretaceous (Turonian · Coniacian · Santonian), roughly 93.9 to 83.6 million years ago. Finds come from Mongolia, including the Bayanshiree Formation. It was a herbivore and walked on two legs.

The genus Brontotholus dates to 2025, the year D. C. Woodruff and colleagues described it.

It lived in the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from the United States, including the Two Medicine Formation. It was a herbivore and walked on two legs.

The genus Colepiocephale dates to 2003, the year R. M. Sullivan described it.

It lived in the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from Canada, including the Foremost Formation. It was a herbivore and walked on two legs.

In 2016, R. K. Schott and D. C. Evans published the name Foraminacephale.

It lived in the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from Canada, including the Dinosaur Park Formation. It was a herbivore and walked on two legs.

In 1982, A. Perle and colleagues published the name Goyocephale. The name means “decorated head.”

Fossils referred to Goyocephale date to the Late Cretaceous (Santonian · Campanian · Maastrichtian), roughly 85.7 to 66 million years ago. Finds come from Mongolia. It was a herbivore and walked on two legs.

In 2003, R. M. Sullivan published the name Hanssuesia. The name honors a person tied to the fossil or its study.

Fossils referred to Hanssuesia date to the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from Canada, including the Dinosaur Park Formation. It was a herbivore and walked on two legs.

The genus Homalocephale dates to 1974, the year T. Maryańska and H. Osmólska described it. The name means “even head.”

Fossils referred to Homalocephale date to the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from Mongolia, including the Nemegt Formation. It was a herbivore and walked on two legs.

The genus Pachycephalosaurus dates to 1943, the year B. Brown and E. M. Schlaikjer described it. The name means “thick-headed lizard.”

Fossils referred to Pachycephalosaurus date to the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from the United States, including the Lance Formation. It was a herbivore and walked on two legs.

Platytholus was formally named in 2022 by J. R. Horner and colleagues.

It lived in the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from the United States, including the Hell Creek Formation. It was a herbivore and walked on two legs.

Prenocephale was formally named in 1974 by T. Maryańska and H. Osmólska.

Fossils referred to Prenocephale date to the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from Mongolia, including the Nemegt Formation. It was a herbivore and walked on two legs.

The genus Sinocephale dates to 2021, the year D. C. Evans and colleagues described it. The name means “chinese head.”

It lived in the Late Cretaceous (Turonian · Coniacian · Santonian), roughly 93.9 to 83.6 million years ago. Finds come from China, including the Ulansuhai Formation. It was a herbivore and walked on two legs.

The genus Sphaerotholus dates to 2003, the year T. E. Williamson and T. D. Carr described it. The name means “spherical dome.”

It lived in the Late Cretaceous (Campanian · Maastrichtian), roughly 83.6 to 66 million years ago. Finds come from the United States and Canada, including the Kirtland Formation. It was a herbivore and walked on two legs.

The genus Stegoceras dates to 1902, the year L. M. Lambe described it. The name means “horn roof.”

Fossils referred to Stegoceras date to the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from Canada, including the Dinosaur Park Formation. It was a herbivore and walked on two legs.

Texacephale was formally named in 2010 by N. R. Longrich and colleagues.

Fossils referred to Texacephale date to the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from the United States, including the Aguja Formation. It was a herbivore and walked on two legs.

Tylocephale was formally named in 1974 by T. Maryańska and H. Osmólska.

Fossils referred to Tylocephale date to the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from Mongolia, including the Baruungoyot Formation. It was a herbivore and walked on two legs.

The genus Wannanosaurus dates to 1977, the year L. H. Hou described it. The name honors a person tied to the fossil or its study.

It lived in the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from China, including the Xiaoyan Formation. It was a herbivore and walked on two legs.

Zavacephale was formally named in 2025 by T. Chinzorig and colleagues.

Fossils referred to Zavacephale date to the Early Cretaceous (Aptian · Albian), roughly 121.4 to 100.5 million years ago. Finds come from Mongolia, including the Khuren Dukh Formation. It was a herbivore and walked on two legs.