tzoncoatl.

Headword: 
tzoncoatl.
Principal English Translation: 

intestinal worm; shown in the images as affecting humans and dogs
Digital Florentine Codex/Códice Florentino Digital, edited by Kim N. Richter and Alicia Maria Houtrouw, "Book 11: Earthly Things", fol. 104v, Getty Research Institute, 2023. https://florentinecodex.getty.edu/en/book/11/folio/104v/images/4eae1c30-... Accessed 8 November 2025.