MolluscaBase name details
original description
Angas, G. F. (1876). Descriptions of four new species of <i>Helix</i>; with some notes on <i>Helix angasiana</i> of Pfeiffer. <em>Proceedings of the Zoological Society of London.</em> 1876: 265-268., available online at https://www.biodiversitylibrary.org/page/29099430 [details]
From editor or global species database