Lindsay, D. J., Grossmann, M. M., Montenegro, J. and Morandini, A. C. (2023) “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. Auckland, New Zealand, 5374(4), pp. 533–551. doi: 10.11646/zootaxa.5374.4.5.