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Lindsay, D. J.; Grossmann, M. M.; Montenegro, J.; Morandini, A. C. A New Subfamily of Ulmarid Scyphomedusae, the Santjordiinae, With a Description of Santjordia pagesi Gen. Et Sp. Nov. (Cnidaria: Scyphozoa: Discomedusae: Semaeostomeae: Ulmaridae) from the Sumisu Caldera, Ogasawara Islands, Japan. Zootaxa 2023, 5374, 533-551.