coprolite

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.”

   “Almost inevitably, he became the leading authority on coprolites – fossilized faeces – and had a table made entirely out of his collection of specimens.”

   “Analyses of the DNA fragments preserved in the moa and kakapo coprolites showed that moa and kakapo fed on fungi.”