LITERATURE CITED
- de Blainville , M. H.D. 1835 . Description de quelques éspèces de reptiles de la Californie, précédée de l'analyse d'un système général d'erpétologie et d'amphibiologie . Nouvelles Annales du Muséum d'Histoire Naturelle , 4 : 236 – 296 .
- Callaway , J. M. and Massare , J. A. 1989 . Geographic and stratigraphic distribution of the Triassic Ichthyosauria (Reptilia; Diapsida). Neues Jahrbuch für Geologie und Paläontologie . Abhandlungen , 178 : 37 – 58 .
- Collinson , J. W. and Hasenmueller , W. A. 1978 . “ Early Triassic paleogeography and biostratigraphy of the cordilleran miogeosyncline; ” . In Mesozoic Paleogeography of the Western United States , Pacific Coast Paleogeography Symposium 2 Edited by: Howell , D. G. and McDougall , K. A. 175 – 187 .
- Cressman , E. R. 1964 . Geology of the Georgetown Canyon-Snowdrift Mountain area, southeastern Idaho . United States Geological Survey Bulletin , 1153 : 1 – 105 .
- Kummel , B. 1954 . Triassic stratigraphy of southeastern Idaho and adjacent areas , United States Geological Survey Professional Paper 254-H:165–194
- Leidy , J. 1868 . Notice of some reptilian remains from Nevada . Proceedings of the Philadelphia Academy of Science , 47 : 381 – 390 .
- Merriam , J. C. 1902 . Triassic Ichthyopterygia from California and Nevada. University of California Publication . Department of Geology Bulletin , 3 : 63 – 108 .
- Merriam , J. C. 1908 . Triassic Ichthyosauria with special reference to the American forms. Memoir . University of California , 1 : 1 – 196 .
- Quenstedt , F. A. 1852 . Handbuch der Petrefactenkunde 792 Tübingen : Laupp .
- Sander , P. M. 1989 . The large ichthyosaur Cymbospondylus buchseri, sp. nov., from the Middle Triassic of Monte San Giorgio (Switzerland), with a survey of the genus in Europe . Journal of Vertebrate Paleontology , 9 : 163 – 173 .
- Silberling , N. J. and Tozer , E. T. 1968 . Biostratigraphic classification of the marine Triassic in North America . Geological Society of America Special Paper , 110 : 1 – 63 .