| Date Note | Date Dinkel begins to draw British specimens, date of donation |
| Description | Watercolour, pencil and ink drawings of a tooth of the fossil fish Lamna Hopei Agassiz, by Joseph Dinkel, [1834-1843]. London Clay, Sheppey. According to the printed text, the species was named in honour of the entomologist 'Mr Hope' [?Rev Frederick William Hope] who sent Agassiz a large number of specimens. |