Cuspidaria (Cardiomya) knudseni Allen & Morgan 1981
Allen & Morgan 1981. The functional morphology of Atlantic deep water species of the families Cuspidariidae and Poromyidae (Bivalvia): an analysis of the evolution of the septibranch condition. Philosophical Transactions of the Royal Society of London B Biological Sciences, 294(1073) 1981: 413-546