MolluscaBase name details
original description
Beu, A. G. (1970). The Mollusca of the subgenus Monoplex (family Cymatiidae). <em>Transactions of the Royal Society of New Zealand, Biological Sciences 11 (17): 225-237.</em> [details]
original description
(of Cymatium (Monoplex) echo Kuroda & Habe, 1959) Kira T. (1959). <i>Coloured illustrations of the shells of Japan</i>. (2nd ed., first printing), Hoikusha, Japan, [6] + vii + [1] + 239 pp., 71 pls. [details]