Protodactylus is an extinct genus of small, primitive bird-like reptiles from the Late Triassic period. It is often considered one of the earliest known members of the archosaur group, which includes dinosaurs and modern birds. Protodactylus had features that suggest it was adapted for a semi-aquatic lifestyle, showcasing the diversity of early reptiles during this era. Its fossils provide valuable insights into the evolution of archosaurs and the transition from reptiles to birds.