Fossil Mollusks From the John Day Basin in Oregon Contained in the Condon Museu
Fossil Mollusks From the John Day Basin in Oregon Contained in the Condon Museu
G Dallas Hanna
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2, No. 9, pp. 269-314, April 1901. Also, same author, and same series of publications, vol. 5, No. 1, pp. 1-64, December, 1906. Also Merriam and Sinclair, Tertiary Faunas of the John Day Region ; same series, vol. 5, No. 11, pp. 171-205, October 1907. The latter has a fairly complete bibliography. Ammonitella lunata (Conrad) Planorbis (Spirorbis?) lunatus. Conrad, Am. Jour. Conch. Vol. 6, p. 315, pi. 13, fig. 8, 1870-71. (Condon Collection. Bridge Creek, Oregon). White, 3rd. Ann. Eep. U. S. Geo...l. Surv. P. 448, pi. 32, figs. 24-25, 1880-81. Hannibal, Proc. Mai. Soc. London, Vol. 10, p. 159, 1912. (The species here is rightly ascribed to Ammonitella and con- sidered distinct from A. Yatesi Cooper, a Eecent species. Stearns name was made synonomous. The species is stated to be from "Oligocene, John Day series, Oregon. ") Gonostoma yatesi (Cooper) Stearns, (in White). U. S. Geol. Surv. Bull. 18, p. 16, pi. 3, figs. 8-12, 1885. Cope and Condon collections. Ammonitella yatesi praecursor Stearns.
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