H. K.  Mienis, ?Notes on the recent and fossil Neritidae, 22: Nerita plicata from the Galapagos Is?, Pallidula, vol. 22, no. 1, pp. 14-15, 1992.

H. K.  Mienis, ?Neritina zebra and the variability of its colour pattern?, Pallidula, vol. 21, pp. 14-17, 1991.