Berry, S. S. (1958). Notices of new Eastern Pacific Mollusca.-II. <em>Leaflets in Malacology.</em> 1 (15): 83-90.[details]
MolluscaBase eds. (2024). MolluscaBase. Knefastia walkeri S. S. Berry, 1958. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=434155 on 2024-08-07