MolluscaBase taxon details
additional source
Gittenberger, E. & Ripken, Th. E. J. (1987). The genus Theba (Mollusca: Gastropoda: Helicidae), systematics and distribution. <em>Zoologische Verhandelingen.</em> 241: 1-59. Leiden [27 November].
page(s): 31, figs. 27, 30 [details] Available for editors [request]