👉 The term "Brasiliocroton" is a type of primitive, or early, dinosaurian known from Brazil and is considered to be among the oldest known dinosaurs. It was discovered in 1902 by German paleontologist Ernst Haeckel and named after its discovery site, Brasilia, which is now part of Brazil. The species had a long neck, a large jaw, and a short tail. However, it has not been fully characterized due to the lack of