Taxonomic Rank Ontology
From phenoscape
![](/wg/phenoscape/images/thumb/7/7c/TaxonomicRankDiagram.png/750px-TaxonomicRankDiagram.png)
Taxonomic rank ontology and sample instance data. The ontology terms are surrounded by a grey background. The "Continuant" term would reside in an upper ontology such as BFO.
The instance data constitutes a particular taxonomy.