Mammal Poo

Fossil Type: 
Composition: 
Location: 
SD
United States
South Dakota US
Formation: 
Dimensions: 
43 mm x 39 mm x 54 mm long

This coprolite is filled with small, thin bone fragments, suggesting that its creator chewed, rather than gulped its food. Based on its width, it was ejected by an animal no smaller than a large dog.