| Date Note | Based on dates of other drawings by the artist; 1838 publication date. |
| Description | Watercolour of the fossil fish Pholidophorus micronyx [Pholidophoristion micronyx (Agassiz, 1833)], by G A H Köppel, [1836-1838]. Found in lithographic limestone, Kelheim, from the collection of Georg Graf von Münster, Comte de Münster. According to the published text, the specimen was from the lithographic limestone of Kelheim. |