Cox, L.R. 1961. Observations on the family Cardiniidae (Class Bivalvia). Proceedings of the Malacological Society of London 34(6): 325-339. https://doi.org/10.1093/oxfordjournals.mollus.a064878.
Cox, 1961. Proc. Malac. Soc. London 34(6): ??.
Type genus: Pachycardia Hauer, 1857 = Pachycardia