| Date Note | Widest date range of this artist, unclear if relates to Agassiz or later Egerton's later publications |
| Administrative History | Unclear if the drawing was created as part of the research for Agassiz, J L R. 'Recherches sur les Poissons Fossiles' (1833-1843/1844) or one of Philip de Malpas Grey Egerton's later publications. |