Published in Occasional papers on mollusks, in 1972, in volume 3, issue 41, pages 137-173

Published in Occasional papers on mollusks, in 1972, in volume 3, issue 41, pages 174-176

Published in Occasional papers on mollusks, in 1972, in volume 3, issue 41, pages 176

Published in Occasional papers on mollusks, in 1972, in volume 3, issue 42, pages 177-191

Published in Occasional papers on mollusks, in 1972, in volume 3, issue 42, pages 192

Published in Occasional papers on mollusks, in 1972, in volume 3, issue 43, pages 193-233

Published in Occasional papers on mollusks, in 1972, in volume 3, issue 43, pages 234-235

Published in Occasional papers on mollusks, in 1972, in volume 3, issue 43, pages 236

Published in Occasional Papers on Mollusks, in 1972, in volume 3, issue 44, pages 237-252

Published in Occasional papers on mollusks, in 1972, in volume 3, issue 44, pages 251-252