MolluscaBase name details
original description
Pfeiffer, L. (1842). <i>Symbolae ad historiam Heliceorum</i>, Part II [<i>Sectio altera</i>.] Kassel (Th. Fischer). 147 pp. [< 21 December]. , available online at https://www.biodiversitylibrary.org/page/12254177
page(s): 130 [details]
additional source
Shuttleworth, R. J. (1854). Beiträge zur näheren Kenntniss der Land- und Süsswasser-Mollusken der Insel Portorico. <em>Mittheilungen der Naturforschenden Gesellschaft in Bern.</em> 1854 (314/316): 33-56., available online at https://biodiversitylibrary.org/page/11231275
page(s): 56 [details]