Hexaplex angularis is a species of sea snail, a marine gastropodmollusc in the familyMuricidae, the murex snails or rock snails.^[1]

• MNHN, Paris: syntype
• Adams A. (1853 ["1851"]). Descriptions of several new species of Murex, Rissoina, Planaxis, and Eulima, from the Cumingian collection. Proceedings of the Zoological Society of London. (1851): 267–272
• Sowerby, G. B., I; Sowerby, G. B., II. (1832–1841). The conchological illustrations or, Coloured figures of all the hitherto unfigured recent shells. London, privately published
• Reeve L.A. (1845–1849). Monograph of the genus Murex. In: Conchologia Iconica, or, illustrations of the shells of molluscous animals, vol. 3, pl. 1-37 and unpaginated text. L. Reeve & Co., London