petzcoatl.

a type of snake (see the painting of the serpent in the Digital Florentine Codex, Book 11, f. 90v.)
Digital Florentine Codex/Códice Florentino Digital, edited by Kim N. Richter and Alicia Maria Houtrouw, "Book 11: Earthly Things", fol. 90v, Getty Research Institute, 2023. https://florentinecodex.getty.edu/en/book/11/folio/90v/images/0 Accessed 3 November 2025.