Published in Occasional papers on mollusks, in 1973, in volume 3, issue 45, pages 253-279

Published in Occasional papers on mollusks, in 1973, in volume 3, issue 46, pages 281-303

Published in Occasional papers on mollusks, in 1973, in volume 3, issue 46, pages 304

Published in Occasional Papers on Mollusks, in 1973, in volume 3, issue 47, pages 305-519

Published in Occasional papers on mollusks, in 1973, in volume 3, issue 47, pages 520