It’s surprisingly hard to Google, but I found this: http://collection.imamuseum.org/artwork/34509/

Anubis has the head of a jackyl, which looks significantly different IRL: https://www.britannica.com/animal/African-golden-wolf

I think it’s worth pointing out that this is a reconstructed breed and not the lineage used by the Mexica. Those dogs died out with European contact. https://youtu.be/osMu6i2txFA