(ofBittium leucocephalum 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 page(s): 558, pl. 38 fig. 7 [details]
original description(ofBittium leucocephalum 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 page(s): 558, pl. 38 fig. 7 [details]
Present Inaccurate Introduced: alien Containing type locality