Sassaman, C. & J.T. Rees, 1978. The life cycle of Corymorpha (= Euphysora) bigelowi (Maas, 1905) and its significance in the systematics of Corymorphid hydromedusae.― Biological Bulletin. Marine Biological Laboratory Woods Hole, 154(3): 485-496, figs 1-3, tab. 1.