| Date Note | Based on dated drawings by artist of this collection |
| Description | Watercolour of an imperfect specimen of the fossil fish Platysomus Rhombus Agassiz, by Joseph Dinkel, [1832-1833]. Found in Zechstein, Mansfeld, from the Museum de Paris [?Museum of Natural History, Paris]. Unpublished.
Caption by Agassiz, dated 1841. |