Clewing, C., T. Geertz, H. Rassam, T.H. Woldekiros & C. Albrecht. 2022. Freshwater diversity at a biogeographic edge zone: the high-mountain pea-clams of Ethiopia. Systematics and Biodiversity 20. 1 (pp. 1-15). Available electronically.
Albrecht & Clewing in Clewing et al., 2022. Systemat. Biodiv. 20: 7-10, figs. 2, 4A-B.