Browne, E.T. (1905). Hydromedusae with a revision of the Williadae and Petasidae. Fauna and geography Maldives and Laccadives Archipelagoes. 2(3): 722-749.
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Browne, E.T.
1905
Hydromedusae with a revision of the Williadae and Petasidae
Fauna and geography Maldives and Laccadives Archipelagoes