00901cam a22002531 4500 gs 63000280 DLC 20260227111413.0 760818s1962 nmuf b s001 0 eng c gs 63000280 (OCoLC)2380901 U.S. Geol. Survey Libr. WMUW DLC premarc QE807.N4 F56 Flower, Rousseau Hayner, 1913- Revision of Buttsoceras. Notes on the Michelinoceratida. By Rousseau H. Flower. Socorro, State Bureau of Mines and Mineral Resources, New Mexico Institute of Mining and Technology, 1962. 58 p. plates. 29cm. New Mexico. Bureau of Mines and Mineral Resources. Memoir 10 Bibliography: p. [41]-42. Nautiloidea, Fossil. Paleontology Ordovician. Notes on the Michelinoceratida. 29741 29741