Special member state territories and the European Union claim of Adélie Land in Antarctica) is a French Overseas Territory but has no permanent population. It has "sui generis" status within France. Saint-Pierre and Miquelon, Saint Barthélemy, French Polynesia, and Wallis and Futuna are overseas collectivities (formerly referred to as overseas territories) of France, while New Caledonia is a ""sui generis" collectivity". Saint Barthélemy and Saint-Pierre and Miquelon use the euro, while New Caledonia, French Polynesia and Wallis and Futuna use the CFP Franc, a currency which is tied to the euro and guaranteed by France. Natives of the collectivities are European citizens owing to their French citizenship and
New Caledonia rain forests ancient fragment of the supercontinent Gondwana. Unlike many of the Pacific Islands, which are of relatively recent volcanic origin, New Caledonia is part of Zealandia, a fragment of the ancient Gondwana super-continent. Zealandia separated from Australia 60–85 million years ago, and the ridge linking New Caledonia to New Zealand has been deeply submerged for millions of years. This isolated New Caledonia from the rest of the world's landmasses, preserving a snapshot of Gondwanan forests. New Caledonia and New Zealand are separated by continental drift of Australia 85 million years ago. The islands still shelters an extraordinary diversity of endemic plants