MolluscaBase eds. (2024). MolluscaBase. Vexillum (Costellaria) subquadratum (G. B. Sowerby II, 1874). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=416782 on 2024-09-21
basis of recordTurner H. (2001) <i>Katalog der Familie Costellariidae Macdonald 1860 (Gastropoda: Prosobranchia: Muricoidea)</i>. Hackenheim: Conchbooks. 100 pp. page(s): 62 [details]