1. Note on some petrified wood from Banke, Namaqualand;Adamson;Transactions of the Royal Society of South Africa,1931
2. Fossil wood of Cynometra from the Neogene of Tripura, India;Awasthi;Geophytology,1994
3. A new pipine frog from an Eocene crater lake in north central Tanzania;Baez;Palaeontology,2005
4. The Angiosperm Palaeoflora From the Orapa Pipe, Botswana;Bamford,1990
5. Some new fossil woods from the Cenozoic of Zaire;Bande,1987