| Description | Watercolour of a complete specimen, with scale detail, of the fossil fish Tetragonolepis elongatus, by G A H Köppel, 1837. Found in Werthen in Ravensbergh, from the collection of Georg Graf von Münster, Comte de Münster. |
| Administrative History | Collected/drawn as part of the research for Louis Agassiz's 'Recherches sur les Poissons Fossiles' (1833-1843/1844). |
| CustodialHistory | From a folder marked 'Dapedius - Tetragonolepis' |