Geography of Africa in the lake of organisms of a decidedly marine type. They include jellyfish, molluscs, prawns, crabs, etc. With the exception of Madagascar, the African islands are small. Madagascar, with an area of , is, after Greenland, New Guinea and Borneo, the fourth largest island on the Earth. It lies in the Indian Ocean, off the S.E. coast of the continent, from which it is separated by the deep Mozambique channel, wide at its narrowest point. Madagascar in its general structure, as in flora and fauna, forms a connecting link between Africa and southern Asia. East of Madagascar are the small
Australia (continent) is most often used for a wider region that includes lands like New Zealand that are not on the same continental shelf. In the early 1970s, the term "Greater Australia" was introduced for the Pleistocene continent. Then at a 1975 conference and consequent publication, the name "Sahul" was extended from its previous use for just the Sahul Shelf to cover the continent. In 1984 W. Filewood suggested the name "Meganesia", meaning "great island" or "great island-group", for both the Pleistocene continent and the present-day lands, and this name has been widely accepted by biologists. Others have used "Meganesia" with different