Nomenclator (nomenclature)
Introduction Sepulchral inscription for Epaphroditus, imperial freedman and ''nomenclator'', and his wife Flavia PriscaA '''nomenclator''' ( ; English plural nomenclators, Latin plural nomenclatores; derived from the Latin ''nomen''- name + ''calare'' – to call), in classical times, referred to a slave whose duty was to recall the names of persons his master met during a political campaign. Later, the scope was expanded to include names of people in any social context and also other socially important information about them.However, it has taken on several other meanings and also refers to  a book containing collections or lists of words. It also denotes  a person, generally a public official, who announces the names of guests at a party or other social gathering or ceremony.In more general terms still, it is a person who provides or creates the names for things, and this can apply to the application of names in a scientific or any other context, but especially in relation to specialist terminologies, glossaries etc.
Nomenclators in biology Several nomenclators have been created in biology. They usually list the names of genera and sometimes species together with the origins (sources) of these names. Sometimes they also include additional information, such as the distribution.For instance, an entry in the ''Nomenclator Zoologicus'' looks like this:* ''Abronia'' Gray 1838, Ann. Mag. Nat. Hist., 1 (5), 389.Rept. ''Abronia'' is a genus of lizard that was described by John Edward Gray in 1838 in the journal ''Annals and Magazine of Natural History''. The entry ends with a note about the animal group the genus belongs to, namely the reptiles ("Rept. ").
See also * ''Nomenclator Botanicus Hortensis''* Farley file
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