(ofNodularia (Caelatura) sobaensis Preston, 1914)Preston, H.B. (1914). Appendix I. Description of new species. In: J. LONGSTAFF, On a collection of non-marine Mollusca from the Southern Sudân. Journal of the Linnaean Society of London (Zool.), 32 (217): 265-266, pl. 18. London. [30 June]. page(s): 266, pl. 18, figs 1-3. [details]
original description(ofNodularia (Caelatura) sobaensis Preston, 1914)Preston, H.B. (1914). Appendix I. Description of new species. In: J. LONGSTAFF, On a collection of non-marine Mollusca from the Southern Sudân. Journal of the Linnaean Society of London (Zool.), 32 (217): 265-266, pl. 18. London. [30 June]. page(s): 266, pl. 18, figs 1-3. [details]