The taxon name, with authorship and date information if known, as it originally appeared when first established under the rules of the associated nomenclaturalCode. The basionym (botany) or basonym (bacteriology) of the scientificName or the senior/earlier homonym for replaced names.

`Pinus abies`, `Gasterosteus saltatrix Linnaeus 1768`

The full scientific name, with authorship and date information if known, of the name usage in which the terminal element of the scientificName was originally established under the rules of the associated nomenclaturalCode. For example, for names governed by the ICNafp, this term would indicate the basionym of a record representing a subsequent combination. Unlike basionyms, however, this term can apply to scientific names at all ranks.

Original Name Usage