Dyke, Gareth J. 2001. The fossil waterfowl (Aves: Anseriformes) from the Eocene of England. American Museum Novitates3354: 1-15. [1]Archived 2015-04-02 at the Wayback Machine
Kurochkin, Evgeny N; Dyke, Gareth J. & Karhu, Alexandr A. 2002. A new Presbyornithid bird (Aves, Anseriformes) from the late Cretaceous of southern Mongolia. American Museum Novitates3386: 1-11. [2][permanent dead link]
Dyke, Gareth J. 2001. The fossil waterfowl (Aves: Anseriformes) from the Eocene of England. American Museum Novitates3354: 1-15. [1]Archived 2015-04-02 at the Wayback Machine