Adams A. (1850). Monograph of the family Bullidae. In: Sowerby G.B. (II) Thesaurus Conchyliorum, or Monographs of Genera of Shells. Vol. 2. London: Sowerby. pp. 553-608, pls. 119-125. 4 species Sort Taxonomically Sort Alphabetically Phanerophthalmus luteus (Quoy & Gaimard, 1833) Phanerophthalmus purpura Austin, Gosliner & Malaquias, 2018 Chelidonura electra Rudman, 1970 Cylichna biplicata (A. Adams, 1850) «1» See all posts