Triadic pyramids were an innovation of the Preclassic Maya civilization consisting of a dominant structure flanked by two smaller inward-facing buildings, all mounted upon a single basal platform.
[9] Examples of triadic pyramids are known from as many as 88 archaeological sites, among them Nakbe, El Mirador, Tikal, Uaxactun, Naranjo, Palenque, and Caracol.
[15] The triadic form continued in use into the Classic Period, with later examples being found at Uaxactun, Caracol, Seibal, Nakum, Tikal and Palenque.
[18] According to one theory, the three hearthstones of the Maya creation myth can be associated with three stars in the constellation of Orion and the triadic pyramid complex may be an architectural representation of this.
[19] New studies favor an alternative interpretation, according to which the Triadic Groups may represent the moment of resurrection of the Maya maize god on the top of the Flower Mountain, accompanied by two other deities.