The Collaborative International Dictionary of English v.0.48:
Fossiliferous \Fos`sil*if"er*ous\, a. [Fossil + -ferous.] (Paleon.) Containing or composed of fossils. [1913 Webster]WordNet (r) 3.0 (2006):
fossiliferous adj 1: bearing or containing fossils; "fossiliferous strata"