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Concept information

Preferred term

Principle of Onomatophores  


  • Principle stating that each nomen has, actually or potentially, an onomatophore, i.e., an objective standard of reference of inclusive ostension whereby the taxonomic allocation of the nomen can be determined. In any given ergotaxonomy, the nomen can be potentially applied to any taxon that includes its onomatophore. In the species-series, onomatophores are specimens (onymophoronts), whereas in the genus-, family- and class-series they are nomina (nucleomina): nucleospecies in the genus-series, nucleogenera in the family-series, and sets of conucleogenera in the class-series. (Dubois 2013)


  • Principle of Typification

Scope note(s)

  • Code: Principle of Typification: The principle that each nominal taxon in the family group, genus group, or species group has, actually or potentially, a name-bearing type fixed to provide the objective standard of reference by which the application of the name is determined.

Bibliographic citation(s)

  • Dubois, A. (2013) Zygoidy, a new nomenclatural concept. Bionomina, 6: 1–25. [ ]


  • 243

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