MolluscaBase name details
original description
(of Gulella impedita Connolly, 1922) Connolly, M. (1922). Notes on African non-marine Mollusca, with descriptions of many new species. The Annals and Magazine of Natural History, (9) 10 (59): 485-517, pl. 14. London. [31 October]., available online at https://www.biodiversitylibrary.org/page/24253383
page(s): 494, pl. 14, fig. 33. [details]
basis of record
Rowson, B. (2010). Systematics and diversity of the Streptaxidae (Gastropoda: Stylommatophora). Ph.D. thesis, University of Wales, Cardiff. Pp. i–vii + 1–307. , available online at http://orca.cf.ac.uk/54973/
page(s): 260 [details] Available for editors [request]
additional source
Brown, K. (2021). A guide to the hunter shells. Vol.1. The Streptaxoidea. The Gulellinae and Primigulellinae. ConchBooks, Germany.
page(s): 534. [details]