| Date Note | Dates of other drawings by artist; but 1839 date of publication |
| Description | Watercolour, with ink outline details of the scale and fin ray structures, of the fossil fish Notagogus denticulatus Agassiz, by G A H Köppel, [1836-1838]. Found in Kelheim, from the collection of Georg Graf von Münster, Comte de Münster. |