Bibliografia Chatterjee, 1986. The Late Triassic Dockum vertebrates: Their stratographic and paleobiogeographic significance. In Padian (ed.). The beginning of the age of dinosaurs: Faunal change across the Triassic-Jurassic boundary. Cambridge University Press. 378 pp. Wilford, 1986. Texas fossil may be bird's oldest ancestor. New York Times. 8-14-1986. Chatterjee, 1987. Skull of Protoavis and early evolution of birds. JVP. 7(3) 14A. Ostrom, 1987. Protoavis, a Triassic bird?. Archaeopteryx. 5, 113-114. Chatterjee, 1988. Functional significance of the semilunate carpal in archosaurs and birds. JVP. 8(3) 11A. Paul, 1988. Predatory dinosaurs of the world. Simon and Schuster, New York. A New York Academy of Sciences Book. 464 pp. Ostrom, 1991. The bird in the bush. Nature. 353, 212. Chatterjee, 1991. Cranial Anatomy and relationships of a new Triassic bird from Texas. Philosophical Transactions of the Royal Society of London Series B 332(1265): 277-342. Kurochkin, 1991. Protoavis, Ambiortus and other paleornithological rarities. [in Russian]. Priroda. 1991, 43-53. Chatterjee, 1992. Texas fossil identified as the world's oldest known bird. J. Geol. Soc. India 39 p. 89-90. Viohl, 1992. No evidence of Triassic birds. [in German]. Archaeopteryx. 10, 77-79. Wellnhofer, 1992. Protoavis: The oldest bird?. [in German].