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. 2020 Aug 6;2020:baaa062. doi: 10.1093/database/baaa062

Table 1.

Relational terms in NCBI Taxonomy

Name category Description Number per TaxNode/TaxId
Primary name This is the designated label for the TaxNode and its TaxId. One per TaxNode.
Formal relational terms for secondary names
Current name The currently accepted name chosen out of all synonyms for the TaxNode. Will often overlap with primary name (except in a few cases). Up to one per TaxNode (where indicated).
Basionym The originally described name, attached to the type material and species description. Up to one per name (where indicated), one to more per TaxNode.
Homotypic synonym Names generated after the basionym (e.g. by moving it to a different genus), but sharing the same type. None to several per TaxNode.
Heterotypic synonym Names with a different basionym and type from those mentioned above. None to several per TaxNode.
Informal relational terms for secondary names
Acronym Mainly used for viruses. None to several per TaxNode.
Equivalent Used for informal names which are related but not synonyms. None to several per TaxNode.
Includes Used for informal names which forms a subset of a name. None to several per TaxNode.
In-part Used for formal names which forms a subset of a name. None to several per TaxNode—can be duplicate across TaxNodes.
Blast name Informal name for groups of organisms. Up to one per TaxNode (where indicated).
Common name Informal names in common usage—these are not comprehensively added. None to several per TaxNode.
Genbank acronym Ensures an acronym name type is displayed prominently in flat files. Up to one per TaxNode but excluding other genbank name types (where indicated).
Genbank synonym Ensures a second synonym is displayed prominently in flat files. Up to one per TaxNode but excluding other genbank name types (where indicated).
Genbank common name Ensures a vernacular name is displayed prominently in flat files. Up to one per TaxNode but excluding other genbank name types (where indicated).
Nonpublic terms for secondary names
Misspelling Used for searches only. None to several per TaxNode.
Unpublished name Used for searches only. None to several per TaxNode.