1. a taxonomic category that is subordinate to or a subdivision of a larger taxon
Usage: biology; taxonomy

Examples

• The genus is divided into several subtaxa based on morphological differences.
• Each subtaxon represents a distinct evolutionary lineage within the family.
• Researchers identified three major subtaxa within the species complex.
• The classification system recognizes subspecies as the primary subtaxon below species level.
• Molecular analysis revealed that this subtaxon diverged millions of years ago.
• The museum’s collection includes specimens from every known subtaxon of the order.