Open Paleo

Genera through time

How many genera the dataset holds from each stage, from the Carnian to the Maastrichtian. A genus whose type species spans several stages counts in each, and long stages such as the Campanian hold more genera partly because they last longer. Select a stage or period to see its genera.

Major groups

• Theropoda 518 genera

  Theropoda is one of the three major clades of dinosaurs, alongside Ornithischia and Sauropodomorpha, and is generally grouped among the saurischians as a nearer relative of the sauropodomorphs.

• Sauropodomorpha 398 genera

  Sauropodomorpha is a clade of saurischian dinosaurs that includes the long-necked, herbivorous sauropods together with their earlier relatives, the basal forms traditionally grouped as "prosauropods."

• Thyreophora 123 genera

  Thyreophora, meaning "shield bearers," is a clade of armored ornithischian dinosaurs.

• Ornithopoda 205 genera

  Ornithopoda, meaning "bird feet," is a clade of ornithischian dinosaurs that includes the iguanodonts and hadrosaurs along with a range of smaller, more basal members.

• Ceratopsia 92 genera

  Ceratopsia is a group of beaked, herbivorous ornithischian dinosaurs, popularly known as the horned dinosaurs, that lived from the Late Jurassic to the end of the Cretaceous across what are now Asia, North America, and Europe.

• Pachycephalosauria 19 genera

  Pachycephalosauria, meaning "thick-headed lizards," is a clade of ornithischian dinosaurs that together with the horned ceratopsians makes up the group Marginocephalia.

See every clade in the tree.

Named in 2026

The dataset adds newly named genera as they are published. These 36 were named in 2026.

• Bicharracosaurus
• Ceratocaudia
• Changzhousaurus
• Cryptarcus
• Dasosaurus
• Dinevenator
• Doolysaurus
• Eopinacosaurus
• Ferenceratops
• Foskeia
• Gongshuilong
• Haolong
• Infernogallus
• Invictibellatrix
• Jian
• Kank
• Kayrasaurus
• Kryptohadros
• Mesetasaurus
• Musango
• Nagatitan
• Nipponopelta
• Norellraptor
• Paludohadros
• Phosphatotitan
• Plesiolophus
• Ptychotherates
• Rinconraptor
• Tromerosaurus
• Uragasaurus
• Xenovenator
• Xiangyunloong
• Yantaloong
• Yeneen
• Yuezhuornis
• Zhengheornis

Use the data

• Download and cite

  The dataset as JSON, YAML, Newick, NEXUS and BibTeX, free to use under CC BY 4.0, and how to cite the release you used.

• Contribute

  Add a genus or correct a record with a pull request to the data repository. Every change needs a published source.

• Report an error

  Found a value that does not match its source? Open an issue in the data repository.