| Description | Detailed, pencil sketch of the profile of a tooth plate of the fossil fish Psammodus rugosus, by Henry Hogard, 1837. Found in mountain limestone, Esky, County Sligo, Ireland, from the collection of William Willoughby Cole, later 3rd Earl of Enniskillen. Another view of the specimen is at: LDGSL/614/2/184gi. |
| Administrative History | Although in the unpublished series, the image appears in 'Recherches sur les Poissons Fossiles' (1833-1843/1844), see below. |
| CustodialHistory | From a folder marked 'Psammodus, Helodus, Strophodus, Ctenoptychius, Petalodus' |