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Represents a file format designed to house systematic data. The goals of the NEXUS format are to allow future expansion, to include diverse kinds of information, to be independent of particular computer operating systems, and to be easily processed by a program. The format can be shared by phylogenetic computer programs. This file is composed of a number of blocks, and Trees blocks. It consists of a string of standard text characters.

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NEXUS classification

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Department of Entomology, University of Arizona, Tucson, AZ, USA; Laboratory of Molecular Systematics, MSC, Smithsonian Institution, WA, USA; Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA

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