World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Terebra planecosta Barnard, 1958. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=447593 on 2026-08-29
Barnard, K. H. (1958). Contributions to the knowledge of South African marine Mollusca. Part I. Gastropoda: Prosobranchiata: Toxoglossa. Annals of the South African Museum. 44(1): 73-163.