marine, brackish, fresh, terrestrial

recent only

Calkins, G.N., 1899. Some Hydroids from Puget Sound. Proc. Boston Soc. nat. Hist. 28 13: 333-367.
page(s): 357, pl. 4 figs 18, 18a-c, pl. 6 fig. 18d [details] 

Schuchert, P. (2021). World Hydrozoa Database. Obelia griffini Calkins, 1899. Accessed through: Rius, M.; Ahyong, S.; Costello, M. J.; Galil, B. S.; Gollasch, S.; Hutchings, P.; Katsanevakis, S.; Lejeusne, C.; Marchini, A.; Occhipinti, A.; Pagad, S.; Poore, G. C. B; Robinson, T. B.; Sterrer, W.; Turon, X.; Willan, R. C.; Zhan, A. (2021) World Register of Introduced Marine Species (WRiMS) at: http://www.marinespecies.org/introduced/aphia.php?p=taxdetails&id=832290 on 2025-05-05

Costello, M. J.; Ahyong, S.; Bieler, R.; Boudouresque, C.; Desiderato, A.; Downey, R.; Galil, B. S.; Gollasch, S.; Hutchings, P.; Kamburska, L.; Katsanevakis, S.; Kupriyanova, E.; Lejeusne, C.; Ma, K. C. K.; Marchini, A.; Occhipinti, A.; Pagad, S.; Pino, L.; Poore, G. C. B.; Rewicz, T.; Rius, M.; Robinson, T. B.; Sobczyk, R.; Stępień, A.; Turon, X.; Valls Domedel, G.; Verleye, T.; Vieira, L. M.; Willan, R. C.; Zhan, A. (2025). World Register of Introduced Marine Species (WRiMS). Obelia griffini Calkins, 1899. Accessed at: https://www.marinespecies.org/introduced/aphia.php?p=taxdetails&id=832290 on 2025-05-05

[taxonomic tree]