original description(ofAmphisphyra seguenzae R. B. Watson, 1886)Watson, R. B. (1886). <i>Report on the Scaphopoda and Gasteropoda collected by H.M.S. Challenger during the years 1873-76</i>. Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873–76. Zoology 15 (part 42): 1-756, pls 1-50. , available online athttps://www.biodiversitylibrary.org/page/2004568[details]
context source (Deepsea)Natural History Museum, London (NHM): Collections Management Database System. [details]
Present Inaccurate Introduced: alien Containing type locality