World Register of Marine Species (WoRMS)
Cardium (Trachycardium) pseudoangulatum Bülow, 1905
MolluscaBase eds. (2026). MolluscaBase. Cardium (Trachycardium) pseudoangulatum Bülow, 1905. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=466807 on 2026-08-03
Bülow, C. (1905). Einige Seltenheiten aus meiner Sammlung. Nachrichtsblatt der Deutschen Malakologischen Gesellschaft. 37 (2): 78-83, pl. 1-2.