Published in Occasional papers on mollusks, in 1975, in volume 4, issue 51, pages 53-90

Published in Occasional papers on mollusks, in 1975, in volume 4, issue 51, pages 91-92

Published in Occasional papers on mollusks, in 1975, in volume 4, issue 52, pages 93-102

Published in Occasional papers on mollusks, in 1975, in volume 4, issue 52, pages 103-104

Published in Occasional papers on mollusks, in 1975, in volume 4, issue 53, pages 105-132

Published in Occasional papers on mollusks, in 1975, in volume 4, issue 54, pages 133-144

Published in Occasional papers on mollusks, in 1975, in volume 4, issue 54, pages 145-147

Published in Occasional papers on mollusks, in 1975, in volume 4, issue 54, pages 148