Schuchert, P. (2024). World Hydrozoa Database. Tulpa crenata (Allman, 1876). Accessed through: Land J. van der (ed). (2008) UNESCO-IOC Register of Marine Organisms (URMO) at: https://www.marinespecies.org/urmo/aphia.php?p=taxdetails&id=423824 on 2024-07-27
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). Tulpa crenata (Allman, 1876). Accessed at: https://marinespecies.org/urmo/aphia.php?p=taxdetails&id=423824 on 2024-07-27
original description(ofCampanularia magnifica Fraser, 1913)Fraser, C. M. 1913a. Hydroids from Vancouver Island. - Victoria Memorial Museum (Canada Geological Survey) Bulletin 1: 147-155. page(s): 164, pl. 11 figs 1-3 [details]