fossilize

Archaeologists excavated fossilized dinosaur tracks from the riverbed.

考古学家河床中挖掘出恐龙的足迹化石。

The fossilized remains belonged to the ornithopod (having legs or feet like those of a bird) family. said Jin Liyong, curator of the Museum of Jilin University.

该恐龙残骸脚亚目恐龙（象有腿和脚的一样），据吉林大学博物馆馆长金利勇讲。