Earthball?

Earthball?

Observation - Earthball?. Description: Several 'clumps' of these on a stony/bark path through wood. The soil around here is heavy clay. Beige/brown ranging from 4cm - 9cm diameter. Squashy - like deflating football. Cut open on my lawn.

Several 'clumps' of these on a stony/bark path through wood. The soil around here is heavy clay. Beige/brown ranging from 4cm - 9cm diameter. Squashy - like deflating football.
Cut open on my lawn.