| منابع اصلي 1- Sweet, W. S., 1988, The Conodonta: Morphology, Taxonomy, Paleoecology and Evolutionary of a long – Extinct Animal Phylum. Oxford Monographs on Geology and Geophysics 10, 212p. 2- Purnell, M. A., & Donoghue, P. C. J., 2005, Conodont Biology and Phylogny: Interpreting the Fossil record. Special Paper in paleontology 73, 218p. 3- Charpentier, R. R., 1984, Conodonts through time and space: Studies in Conodonts Provincialism, Geological Society of American Memoir 196, 340p. 4- Pyle, L. J. & Barnes, C. R., 2002, Taxonomy, Evolution and Biostratigraphy of Conodonts from the Kechika Formation, Skoki Formation and Road River Group (Upper Cambrian to Lower Silurian), NRC Research Press, Ottawa, Ontario, Canada, 227p. : منابع كمكي: - عاشوري، ع.ر.، عباسي، م.ع. و ع. قادري، 1388، كنودونت ها، انتشارات دانشگاه فردوسي مشهد. |