These are probably worm burrows preserved in the Upper Greensand. They were made when the sands were being laid down in a shallow, warm sea about 100 million years ago.
trace fossil burrow
Museum:
All Hallows
Period:
Lower Cretaceous
Strata:
Upper Greensand
Fossil Type:
Trace Fossils
Common Name:
trace fossil burrow
Age:
110 million years
Where it was Found:
Charmouth
Found by:
Richard Edmonds
Accession Number:
HONAM.2013.32.04
Images:
