A new swift from the Lower Eocene of Britain - 1975
A new Eocene swift-like bird with a peculiar feathering - 2003
New trogons from the early Tertiary of Germany - 2005
First fossil skull of a Palaeogene representative of the Pici (woodpeckers and allies) and its evolutionary implications - 2006
The Pliocene Phoebastria (‘Diomedea’) anglica: Lydekker’s English fossil albatross - 2007
A stem lineage representative of buttonquails from the Lower Oligocene of Germany – fossil evidence for a charadriiform origin of the Turnicidae - 2007