1. The evolution of Middle America and the Gulf of Mexico-Caribbean Sea region during the Mesozoic time;Anderson;Bull. Geol. Soc. Amer.,1983
2. Endemism and heterochroneity in the Late Cretaceous (Campanian) to Paleocene palynofloras of Seymour Island, Antarctica: implications for origins, dispersal and palaeoclimates of southern floras;Askin,1989
3. Campanian to Paleocene spore and pollen assemblages of Seymour Island, Antarctica;Askin;Rev. Palaeobot. Palynol.,1990
4. Late Cretaceous-early Tertiary floras of King George Island, West Antarctica: their stratigraphic distribution and palaeoclimatic significance;Birkenmajer,1989
5. Miocene fossil plants from Northern Peru;Berry,1919