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TaxonWorks (http://taxonworks.org) is an integrated workbench for taxonomists and biodiversity scientists. It is designed to capture, organize, and enrich data, share and refine it with collaborators, and package it for analysis and publication. It is based on PostgreSQL (database) and the Ruby-on-Rails programming language and framework for developing web applications (https://github.com/SpeciesFileGroup/taxonworks). The TaxonWorks community is built around an open software ecosystem that facilitates participation at many levels. TaxonWorks is designed to serve both researchers who create and curate the data, as well as technical users, such as programmers and informatics specialists, who act as data consumers. TaxonWorks provides researchers with robust, user friendly interfaces based on well thought out customized workflows for efficient and validated data entry. It provides technical users database access through an application programming interface (API) that serves data in JSON format. The data model includes coverage for nearly all classes of data recorded in modern taxonomic treatments primary studies of biodiversity, including nomenclature, bibliography, specimens and collecting events, phylogenetic matrices and species descriptions, etc. The nomenclatural classes are based on the NOMEN ontology (https://github.com/SpeciesFileGroup/nomen). 

Nomenclatural changes are provided for names in the family Membracidae. The following replacement names are proposed: Gargara (Gargara) discoidea nom.nov. for Gargara (Gargara) discoidalis Ananthasubramanian, 1980; Tricentrus substitutus nom.nov. for Tricentrus yunnanensis (Yuan & Li, 2002); Indicopleustes esakii nom.nov. for Indicopleustes typicus Esaki, 1932; Neoproterpia nom.nov. for Proterpia Stål, 1867; Membracis expansa Walker, 1851 status revised is reinstated as valid on taxonomic grounds. The correct original spelling is fixed for Leptocentrus florifacialis Yuan in Yuan & Chou, 2002, and seven incorrect original spellings are documented for five additional species in which a correct spelling was later adopted by one or more of the original authors. The name Micrutalis minutus Buckton, 1902 is emended to Micrutalis minuta Buckton, 1902 and Brachytalis punctulatus Ramos is emended to Brachytalis punctulata Ramos in both cases to agree with the feminine gender of Micrutalis Fowler, 1895 and Brachytalis Metcalf & Bruner, 1925. 

A new species Erasmoneura tricuspidata sp.n. and a new morphological variant of Erythridula stolata McAtee are described from the Great Smoky Mountains National Park.