MolluscaBase eds. (2024). MolluscaBase. Heterofusus alexandri A. E. Verrill, 1872. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=748905 on 2024-04-19
additional sourceVerrill, A. E. (1872). Brief contributions to zoölogy, from the Museum of Yale College. No. XX. Recent additions to the molluscan fauna of New England and the adjacent waters, with notes on other species. <em>American Journal of Science and Arts.</em> (3) 3 (15): 281-290; pl. 6-8., available online athttp://biodiversitylibrary.org/page/36995471 page(s): 281 [details]