| Date Note | Buckland first describes species in 1835, livraison issued in 1843, renamed by Egerton 1843 |
| Publication Note | Published in Agassiz, J L R. 'Recherches sur les Poissons Fossiles' (1833-1843/1844), Vol 3, Tab 40c, fig 16. Livraison issued 1843. Drawing also has a pencil annotation to Newton, E T, 'The Chimaeroid Fishes of the British Cretaceous Rocks', Memoirs of the Geological Survey, Monograph IV, 1878, p28. |