Flower, R. H. (1964). The nautiloid order Ellesmeroceratida (Cephalopoda). State Bureau of Mines and Mineral Resources New Mexico Institute of Mining and Technology, Memoir. 12: 1-234.
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Flower, R. H.
1964
The nautiloid order Ellesmeroceratida (Cephalopoda)
State Bureau of Mines and Mineral Resources New Mexico Institute of Mining and Technology, Memoir