O.  Carlgren, ?Die Lucernariden?, Further Zoological Results of the Swedish Antarctic Expedition, 1901-1903, vol. 2, pp. 1-18, 24 text-figures, 1930.

C. Howard Edmondson, ?New Hawaiian medusae?, Occasional papers of the Bernice P. Bishop Museum, vol. 9, pp. 1-16, 1930.