Aztec black-on-orange ceramics are chronologically classified into four phases: Aztec I and II corresponding to c. 1100–1350 (early Aztec period), Aztec III (c. 1350–1520), and the last phase Aztec IV was the early colonial period. Aztec I is characterized by floral designs and day-name glyphs; Aztec II is characterized by a stylized grass design above calligraphic designs such as S-curves or loops; Aztec III is characterized by very simple line designs; Aztec IV continues some pre-Columbian designs but adds European influenced floral designs. There were local variations on each of these styles, and archeologists continue to refine the ceramic sequence.
Aztec black-on-orange ceramics are chronologically classified into four phases Aztec I and II corresponding to c 1100–1350 (early Aztec period) Aztec III (c 1350–1520) and the last phase Aztec IV was the early colonial period Aztec I is characterized by floral designs and day-name glyphs; Aztec II is characterized by a stylized grass design above calligraphic designs such as S-curves or loops; Aztec III is characterized by very simple line designs; Aztec IV continues some pre-Columbian designs but adds European influenced floral designs There were local variations on each of these styles and archeologists continue to refine the ceramic sequence