| Archive Reference / Library Class No. | BMAG/JWJ/DERSB:66129.1 |
| Title | document: Folder containing material relating to the marine lamellibranch Pterinopecten (now Dunbarella). Evolution of Pterinopecten and Posidonomya, dated 21st June 1926 (four pages plus one revised page) together with a covering letter from JWJ to Dr Kitchin acco |
| Level | Item |
| Repository | Derbyshire Record Office |
| Full Catalogue List | Click here to view a full list for this collection |
| Archive Creator | Dr J. Wilfred Jackson (1880-1978), conchologist, archaeologist and geologist |