ichthyocoprolite

from The Collaborative International Dictionary of English v.0.48

Ichthyocoprolite \Ich`thy*o*cop"ro*lite\, n. [Gr. 'ichqy`s,
   -y`os, a fish + E. coprolite.] (Geol.)
   Fossil dung of fishes.
   [1913 Webster]