Philosophical naturalism -There is/are no god(s) or anything else supernatural.
Materialistic Naturalism - Agnostic - Don't know and don't care if there is/are god(s) or anything else supernatural. Anything supernatural is irrelevant to their considerations. They study nature.
Moose
Added by edit much later: I thing I should have used the term "methodological naturalism" rather than "materialist naturalism".
Edited by Minnemooseus, : Change ID's.
Edited by Minnemooseus, : The "Added by edit"