coprolite

/ˈkɒprəˌlaɪt/

Etymology

From copro- + -lite.

noun

  1. A fossil consisting of petrified dung.“This coprolite (the technical term for palaeo-poo) has yielded much to modern scrutiny. First, it is completely devoid of plant matter, including the corn and other plants that the Anasazi Pueblo people of the region lived on.”