Orbost & District Historical Society
fossil
... fossil worm-casting...Orbost & District Historical Society Ruskin Street Orbost gippsland Inspected by George Rawlings 6.2.2013. fossil worm-casting A fossilised worm casting., as in a beach or sand worm of a large variety. ...
Inspected by George Rawlings 6.2.2013.A fossilised worm casting., as in a beach or sand worm of a large variety. The worm secretes organic substances that harden in the burrow and the ejected material is called castings.fossil worm-casting
