Origin of birds

pp. 1-55 In Padian, K. (ed.) The Origin of Birds and the Evolution of Flight. Memoirs of the California Academy of Sciences 8. Forster CA, Sampson SD

(1986). "Saurischian monophyly and the origin of birds." In: K. Padian, ed. The origin of birds and the evolution of flight. San Francisco: California, Acad

monophyly and the origin of birds. In: K. Padian, ed. The Origin of Birds and the Evolution of Flight. Memoirs California Academy of Sciences 8. pp. 1–55

主條目：鳥類的起源（英语：Origin of birds） 早在19世紀中晚期，就有科學家提出恐龍與鳥類之間有接近親緣關係，而恐龍是爬蟲類與鳥類的中間型動物。在1859年查爾斯·達爾文（Charles Darwin）出版《物種起源》（The Origin of

monophyly and the origin of birds. In: K. Padian, ed. The Origin of Birds and the Evolution of Flight. Memoirs California Academy of Sciences 8. pp. 1–55