| Date Note | Wmk 1831, widest date range |
| Description | Pencil drawing, with section, of the fin spine of the fossil fish Hybodus Crassus, by unknown artist, [1831-1843]. From the Museum of Stuttgart. On the reverse is an aborted attempt at a watercolour of the fin spine in section.
According to the published text, the specimen was from the ferruginous oolite of Wasseralfingen, Germany, and first communicated by Mr Jaeger at a meeting of naturalists in Heidelberg in 1829. |
| Administrative History | Collected/drawn as part of the research for Louis Agassiz's 'Recherches sur les Poissons Fossiles' (1833-1843/1844). |