| Acantholipan armored dinosaur | Acantholipan gonzalezi | Late Cretaceous (Santonian) · roughly 85.7 to 83.6 million years ago | 2018 | 1.2 m · 4 ft | 5.7 m · 19 ft | Not established | In 2018, H. E. Rivera-Sylva and colleagues published the name Acantholipan. |
| Acanthopholis armored dinosaur · Doubtful name | Acanthopholis horrida | Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago | 1867 | Not established | 3–5.5 m · 10–18 ft | 380 kg · 838 lb | The genus Acanthopholis dates to 1867, the year T. H. Huxley described it. The name means “spiny scales.” |
| Ahshislepelta armored dinosaur | Ahshislepelta minor | Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago | 2011 | 1.2 m · 4 ft | 4.8 m · 16 ft | 1 tonnes | The genus Ahshislepelta dates to 2011, the year M. E. Burns and R. M. Sullivan described it. The name means “ah-shi-sle-pah Wash shield.” |
| Akainacephalus armored dinosaur | Akainacephalus johnsoni | Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago | 2018 | 1 m · 3 ft | 3.8 m · 12 ft | 500 kg · 1,102 lb | The genus Akainacephalus dates to 2018, the year J. P. Wiersma and R. B. Irmis described it. The name means “thorn head.” |
| Aletopelta armored dinosaur | Aletopelta coombsi | Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago | 2001 | 1.3 m · 4 ft | 5–6 m · 16–20 ft | 2 tonnes | Aletopelta was formally named in 2001 by T. L. Ford and J. I. Kirkland. The name means “wandering shield.” |
| Animantarx armored dinosaur | Animantarx ramaljonesi | Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago | 1999 | 0.7 m · 2 ft | 3 m · 10 ft | 350 kg · 772 lb | In 1999, K. Carpenter and colleagues published the name Animantarx. The name means “living citadel.” |
| Ankylosaurus armored dinosaur | Ankylosaurus magniventris | Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago | 1908 | 1.4–1.7 m · 5–6 ft | 5.4–6.2 m · 18–21 ft | 9 tonnes | In 1908, B. Brown published the name Ankylosaurus. |
| Anodontosaurus armored dinosaur | Anodontosaurus lambei | Late Cretaceous (Campanian · Maastrichtian) · roughly 83.6 to 66 million years ago | 1929 | 1.2 m · 4 ft | 4–5 m · 13–16 ft | 2 tonnes | The genus Anodontosaurus dates to 1929, the year C. M. Sternberg described it. The name means “toothless lizard.” |
| Anoplosaurus armored dinosaur | Anoplosaurus curtonotus | Early Cretaceous (Albian) · roughly 113.2 to 100.5 million years ago | 1879 | Not established | 2 m · 7 ft | Not established | Anoplosaurus was formally named in 1879 by H. G. Seeley. The name means “unarmed lizard.” |
| Antarctopelta armored dinosaur | Antarctopelta oliveroi | Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago | 2006 | 1.2 m · 4 ft | 4 m · 13 ft | 350 kg · 772 lb | Antarctopelta was formally named in 2006 by L. Salgado and Z. Gasparini. The name means “antarctic shield.” |
| Bissektipelta armored dinosaur | Bissektipelta archibaldi | Late Cretaceous (Turonian) · roughly 93.9 to 89.8 million years ago | 2004 | 0.8 m · 3 ft | 3.1 m · 10 ft | 350 kg · 772 lb | The genus Bissektipelta dates to 2004, the year J. C. Parish and P. M. Barrett described it. The name means “bissekty shield.” |
| Borealopelta armored dinosaur | Borealopelta markmitchelli | Early Cretaceous (Albian) · roughly 113.2 to 100.5 million years ago | 2017 | 1.3 m · 4 ft | 5.5 m · 18 ft | 1.3 tonnes | Borealopelta was formally named in 2017 by C. M. Brown and colleagues. The name means “northern/north wind.” |
| Cedarpelta armored dinosaur | Cedarpelta bilbeyhallorum | Early Cretaceous (Aptian · Albian) · roughly 121.4 to 100.5 million years ago | 2001 | 1.6 m · 5 ft | 10 m · 33 ft | 5 tonnes | In 2001, K. Carpenter and colleagues published the name Cedarpelta. The name honors a person tied to the fossil or its study. |
| Chuanqilong armored dinosaur | Chuanqilong chaoyangensis | Early Cretaceous (Aptian) · roughly 121.4 to 113.2 million years ago | 2014 | 0.9 m · 3 ft | 4.5 m · 15 ft | 1 tonnes | In 2014, F. Han and colleagues published the name Chuanqilong. The name means “legendary dragon.” |
| Crichtonpelta armored dinosaur | Crichtonpelta benxiensis | Early Cretaceous · Late Cretaceous (Albian · Cenomanian · Turonian) · roughly 113.2 to 89.8 million years ago | 2015 | 0.8 m · 3 ft | 3–4 m · 10–13 ft | 600 kg · 1,323 lb | Crichtonpelta was formally named in 2015 by V. M. Arbour and P. J. Currie. The name honors a person tied to the fossil or its study. |
| Crichtonsaurus armored dinosaur · Doubtful name | Crichtonsaurus bohlini | Late Cretaceous (Cenomanian · Turonian) · roughly 100.5 to 89.8 million years ago | 2002 | Not established | 3 m · 10 ft | Not established | Crichtonsaurus was formally named in 2002 by Z. Dong. |
| Cryptosaurus armored dinosaur · Doubtful name | Cryptosaurus eumerus | Late Jurassic (Oxfordian) · roughly 161.5 to 154.8 million years ago | 1875 | Not established | Not established | Not established | The genus Cryptosaurus dates to 1875, the year H. G. Seeley described it. The name means “hidden lizard.” |
| Datai armored dinosaur | Datai yingliangis | Late Cretaceous (Turonian) · roughly 93.9 to 89.8 million years ago | 2024 | Not established | Not established | Not established | Datai was formally named in 2024 by L. Xing and colleagues. The name means “to understand.” |
| Denversaurus armored dinosaur | Denversaurus schlessmani | Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago | 1988 | Not established | 6 m · 20 ft | 3.5 tonnes | The genus Denversaurus dates to 1988, the year R. T. Bakker described it. The name means “denver lizard.” |
| Dongyangopelta armored dinosaur | Dongyangopelta yangyanensis | Early Cretaceous · Late Cretaceous (Albian · Cenomanian) · roughly 113.2 to 93.9 million years ago | 2013 | 1.1 m · 4 ft | 4.7 m · 15 ft | 900 kg · 1,984 lb | In 2013, R. Chen and colleagues published the name Dongyangopelta. |
| Dracopelta armored dinosaur | Dracopelta zbyszewskii | Late Jurassic (Tithonian) · roughly 149.2 to 143.1 million years ago | 1980 | 0.7 m · 2 ft | 3 m · 10 ft | 300 kg · 661 lb | Dracopelta was formally named in 1980 by P. M. Galton. |
| Dyoplosaurus armored dinosaur | Dyoplosaurus acutosquameus | Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago | 1924 | 1 m · 3 ft | 4–4.5 m · 13–15 ft | 1.2 tonnes | The genus Dyoplosaurus dates to 1924, the year W. A. Parks described it. |
| Edmontonia armored dinosaur | Edmontonia longiceps | Late Cretaceous (Campanian · Maastrichtian) · roughly 83.6 to 66 million years ago | 1928 | 1.5 m · 5 ft | 6.6 m · 22 ft | 350 kg · 772 lb | The genus Edmontonia dates to 1928, the year C. M. Sternberg described it. The name honors a person tied to the fossil or its study. |
| Eopinacosaurus armored dinosaur | Eopinacosaurus mephistocephalus | Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago | 1999 | Not established | Not established | Not established | The genus Eopinacosaurus dates to 1999, the year P. Godefroit and colleagues described it. |