(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 page(s): 646 [details]
MolluscaBase eds. (2025). MolluscaBase. Toledonia seguenzae (R. B. Watson, 1886). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=509652 on 2026-09-05
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2026). European Register of Marine Species. Toledonia seguenzae (R. B. Watson, 1886). Accessed at: https://www.vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=509652 on 2026-09-05
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 page(s): 646 [details]
context source (Deepsea)Natural History Museum, London (NHM): Collections Management Database System. [details]
Present Inaccurate Introduced: alien Containing type locality