Houart, R. & Wranik, W. (1989). Description of two new species of the genus Pygmaepterys Vokes, 1978 and report of Typhis (Talityphis) bengalensis (Radwin & D'Attilio, 1976) (Gastropoda: Muricidae), from the Gulf of Aden. Apex. 4 (4): 85-90.
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Houart, R. & Wranik, W.
1989
Description of two new species of the genus <i>Pygmaepterys</i> Vokes, 1978 and report of <i>Typhis (Talityphis) bengalensis</i> (Radwin & D'Attilio, 1976) (Gastropoda: Muricidae), from the Gulf of Aden.