Dinosaurs evolved from small archosaurs like Lagosuchusand Silesaurus around 230 million years ago during the Middle to Late Triassic period. Since then, they evolved into many groups.
Some examples of "dinosauromorphs" include:
- Asilisaurus
- Crosbysaurus
- Diodorus
- Dromomeron
- Eucoelophysis
- Galtonia
- Krzyzanowskisaurus
- Lagerpeton
- Lagosuchus
- Lewisuchus
- Lucianosaurus
- Marasuchus
- Pekinosaurus
- Pseudolagosuchus
- Sacisaurus
- Saltopus
- Scleromochlus
- Silesaurus
- Spondylospoma
- Technosaurus
- Teyuwasu
- Trialestes
Some of the earliest dinosaurs include:
- Agnosphitys
- Agrosaurus
- Blikanasaurus
- Camelotia
- Camposaurus
- Chromogisaurus
- Coelophysis
- Coloradisaurus
- Herrerasaurus
- Efraasia
- Eocursor
- Eoraptor
- Eucnemesaurus
- Euskelosaurus
- Guaibasaurus
- Isanosaurus
- Jacklapallisaurus
- Lessemsaurus
- Liliensternus
- Melanorosaurus
- Mussaurus
- Nambalia
- Pampadromaeus
- Panphagia
- Pantydraco
- Pisanosaurus
- Plateosauravus
- Plateosaurus
- Riojasaurus
- Ruehleia
- Staurikosaurus
- Saturnalia
- Thecodontosaurus
- Unaysaurus
