Davis, J.W. (1888)
On fossil fish-remains from the Tertiary and Cretaceo-Tertiary formations of New-Zealand. Scientific Transactions of the Royal Dublin Society, 4(2): 1–48, 7 pl.
Davis, J.W. (1890)
On the fossil fish of the Cretaceous formations of Scandinavia. Scientific Transactions of the Royal Dublin Society, 2(4): 363–434, pl. 38–46.
Jeppsson, L. (1979)
Conodont element function. Lethaia, 12, 153–171