Jeffreys, J. G. (1883). On the Mollusca procured during the 'Lightning' and 'Porcupine' Expeditions 1868-70. (Part V). Proceedings of the Zoological Society of London. 1882: 656-687, pl. 49-50., available online athttp://www.biodiversitylibrary.org/page/28679082 page(s): 665; pl. 49 fig. 9 [details]
MolluscaBase eds. (2025). MolluscaBase. Cadulus amphora Jeffreys, 1883. Accessed through: Land J. van der (ed). (2008) UNESCO-IOC Register of Marine Organisms (URMO) at: https://marinespecies.org/urmo/aphia.php?p=taxdetails&id=140000 on 2025-05-29
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). Cadulus amphora Jeffreys, 1883. Accessed at: https://marinespecies.org/urmo/aphia.php?p=taxdetails&id=140000 on 2025-05-29
original descriptionJeffreys, J. G. (1883). On the Mollusca procured during the 'Lightning' and 'Porcupine' Expeditions 1868-70. (Part V). Proceedings of the Zoological Society of London. 1882: 656-687, pl. 49-50., available online athttp://www.biodiversitylibrary.org/page/28679082 page(s): 665; pl. 49 fig. 9 [details]
context source (Deepsea)Gofas, S.; Luque, �. A.; Templado, J.; Salas, C. (2017). A national checklist of marine Mollusca in Spanish waters. Scientia Marina. 81(2) : 241-254, and supplementary online material., available online athttps://doi.org/10.3989/scimar.04543.21a[details]
basis of recordGofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels. 50: 180-213., available online athttp://www.vliz.be/imisdocs/publications/ocrd/254404.pdf[details]
additional sourceWar�n, A. (1980). Marine Mollusca described by John Gwyn Jeffreys, with the location of the type material. Conchological Society of Great Britain and Ireland, Special publication. 1(60).[details]
Present 