Description: English: Drillia havanensis (Dall, 1881); family Drilliidae. Date: 1889. Source:
https://www.biolib.cz/en/image/id282889/. Author: W.H. Dall. Permission(
Reusing this file): Dall, W.H. (1881) Reports on the results of dredging under the supervision of Alexander Agassiz, in the Gulf of Mexico and in the Caribbean Sea, 1877–79, by the U. S. Coast Survey Steamer “Blake”, Lieutenant Commander C. D. Sigsbee, U. S. N., and Commander J. R. Bartlett, U. S.N., commanding. XV. Preliminary report on the Mollusca. Bulletin of the Museum of Comparative Zoölogy, 9, 33–144.