Zuni Great Kivas Roberts 1932 pl28

Twisted Gourd symbol in its mirrored double-headed serpent bar lightning form, northern Ecuador.

Xicalcoliuhqui (3-steps)

Xicalcoliuhqui

Xicalcoliuhqui

Mitla https://www.hammocksandruins.com/about

Hopi 20th century silverwork bracelets

The double-headed Serpent bar (amaru) as a form of zig-zag lightning is one of the Puuc stylistic elements of Mesoamerica found on a wooden artifact and stone mortar at Pueblo Bonito

Roll-out design of the stone Thunder mortar from room 80 (Pepper, 1920:fig.110).

Spadefoot Toad site, Chaco Canyon, Red Mesa B/w, 875-1050 CE (Windes et al., 1993:pl.8.6b).