Mangelia perattenuata (Dall 1905)

Description: English: Mangelia perattenuata (Dall, 1905); family Mangeliidae. Date: 1919. Source: Dall (1919) Descriptions of new species of Mollusca from the North Pacific Ocean; Proceedings of the U.S. National Museum, vol. 56 (1920) pl. 20 # 11. Author: W.H. Dall.