| Date Note | Date appears to be written in top right corner |
| Description | Watercolour of a fragmented specimen of the fossil fish Chondrosteus acipenseroides, showing the head and fins, plus an ink drawing of the bones of the head, by Joseph Dinkel, [?1856]. From the Lias, Lyme Regis, in the collection of William Willoughby Cole, 3rd Earl of Enniskillen. |
| Publication Note | Published in: Egerton, P M G, “On Chondrosteus, an Extinct Genus of the Sturionidae, Found in the Lias Formation at Lyme Regis”, ‘Philosophical Transactions of the Royal Society of London’, vol 148 (1858) plates 67-68. |