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TANAKA, H., WAKABAYASHI, K. and FUJITA, T. 2019. A new species of <em>Fibularia</em> from Japanese waters with a redescription of <em>F. japonica</em> and <em>F. ovulum</em> (Echinodermata: Echinoidea: Clypeasteroida). Zootaxa. 4543, 2 (Jan. 2019), 241–260. DOI:https://doi.org/10.11646/zootaxa.4543.2.4.