Pantropical
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In biology, pantropical is one in a group of different terms which can be used to define an area of geographical occurrence of an organism, or group of organisms. When the distribution of a taxon is pantropical, it means that the taxon occurs in the tropical regions of all of the major continents, i.e. in Africa, in Asia and in the Americas.
In biology, neotropical refers to occurrence in the tropical regions of the New World, i.e. the Americas.
In biology, palaeotropical refers to geographical occurrence. For a distribution to be palaeotropical a taxon must occur in tropical regions on both continents in the Old World, i.e. in Africa and Asia.