ScienceNot Applicableglobalmedium confidence

In biostratigraphy, biozones (biostratigraphic units) are intervals of geological strata defined based on their characteristic fossil taxa.

Notes on verification

Definition confirmed by multiple authoritative sources including the International Commission on Stratigraphy's official guide, a geosciences textbook, and other reference materials, all consistent and non-contradicted. [tier=bronze indep_score=0.3 clusters=3 claim_tier=everyday]

Sources