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. 5374, 4 (Nov. 2023), 533–551. DOI:https://doi.org/10.11646/zootaxa.5374.4.5.