MolluscaBase taxon details
original description
(of Thapsia rumrutiensis Preston, 1911) Preston, H.B. (1911). Descriptions of thirty-six new species of land and freshwater shells from British East Africa, chiefly from Mount Kenia and the neighbouring district. The Annals and Magazine of Natural History, (8) 7 (41): 463-476, pl. 11-12. London. [29 April]., available online at https://biodiversitylibrary.org/page/15815183
page(s): 466, pl. 11, fig. 9. [details]
original description
(of Thapsiella opposita Preston, 1912) Preston, H.B. (1912). Diagnoses of new species of terrestrial and fluviatile shells from British and German East Africa, with the description of a new genus (Eussoia) from the Eusso Nyiro River, B.E. Africa. <em>Proceedings of the Zoological Society of London.</em> 80 (1): 183-193, pl. 31-33. [13 March]., available online at https://www.biodiversitylibrary.org/page/31854893
page(s): 186, pl. 32, fig. 13. [details]
additional source
Herbert, D. & Kilburn, D. (2004). Field guide to the land snails and slugs of eastern South Africa. Pietermaritzburg: Natal Museum. [v] + 336 pp.
page(s): 255 [details]
additional source
Bruggen, A. C. van. (1967). Miscellaneous notes on Southern African Gastropoda Euthyneura (Mollusca). <em>Zoologische Verhandelingen.</em> 91: 1-34, 1 plate. Leiden., available online at https://repository.naturalis.nl/pub/317698
page(s): 10; note: As Guppya [details]
additional source
Muratov, I.V. (2010). Terrestrial molluscs of Cabo Delgado and adjacent inland areas of north-eastern Mozambique. <em>African Invertebrates.</em> 51(2): 255–288.
page(s): 278 [details] Available for editors [request]
additional source
Rowson, B. (2007). Land molluscs of Zanzibar Island (Unguja), Tanzania, including a new species of Gulella (Pulmonata: Streptaxidae). <em>Journal of Conchology 39: 425–466.</em>
page(s): 445 [details] Available for editors [request]
additional source
Bruggen, A. C. van. (2008). New studies on the land molluscs of Malawi, a second interim progress report. Prolegomena for a new checklist. <em>Basteria.</em> 74(4–6): 353–368., available online at https://natuurtijdschriften.nl/pub/643878
page(s): 366 [details]
additional source
Bruggen, A. C. van. (2007). Terrestrial molluscs recorded from Mt. Mulanje, Malaŵi. <em>Nyala.</em> 24: 17–37.
page(s): 29 [details]