Connolly, M. 1939. A Monographic survey of South African non-marine Mollusca. Annals of the South African Museum 33:1-660.
Herbert, D.G. and Kilburn, R.N. in prep. A field guide to the snails and slugs of eastern South Africa
IUCN. 2004. 2004 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 23 November 2004.
|Citation:||Herbert, D.G. 2004. Trachycystis clifdeni. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 30 July 2014.|
|Feedback:||If you see any errors or have any questions or suggestions on what is shown on this page, please fill in the feedback form so that we can correct or extend the information provided|