MolluscaBase taxon details
original description
(of Engina monilifera Pease, 1860) Pease, W. H. (1860). Descriptions of new species of Mollusca from the Sandwich Islands. <em>Proceedings of the Zoological Society of London.</em> 28: 18-36; 141-148., available online at http://biodiversitylibrary.org/page/12866516 [details]
original description
(of Ricinula echinata Reeve, 1846) Reeve, L. A. (1846). Monograph of the genus <i>Ricinula</i>. In: <i>Conchologia Iconica, or, illustrations of the shells of molluscous animals</i>, vol. 3, pl. 1-6 and unpaginated text. L. Reeve & Co., London. [stated dates: pl. 1-3, August 1846, pl. 5, September 1846; pl. 4, 6, October 1846]. , available online at https://www.biodiversitylibrary.org/page/11118823#page/441/mode/1up
page(s): pl. 6, species no. 54 [details]
original description
(of Sistrum ventricosulum G. Nevill & H. Nevill, 1875) Nevill, G. & Nevill, H. (1875). Descriptions of new marine Mollusca from the Indian Ocean. <em>Journal of the Asiatic Society of Bengal.</em> 44(2): 83-104, pls. 7-8., available online at http://biodiversitylibrary.org/page/37192018
page(s): 97-98, pl. 8 fig. 16 [details]