Which trace fossils are created when a worm travels through the soil and the impression is filled with hardened sediment?

The answer is Repichnia.

Fossils which consists of impression made on the subtrate by an organism is called trace fossils. It is also know as ichnofossils. Examples of trace fossils are footprints. There are different classification of trace fossil such as repichnia. Repichnia are the surface traces of creeping and crawling just like the path created by the worms.