This article contains a list of fossil-bearing stratigraphic units in the state of Massachusetts, U.S.
Sites Group or Formation Period Notes Agawam Group/Portland Formation Jurassic Agawam Group/Turners Falls Formation Jurassic Chamberlain's Brook Formation Cambrian Meriden Group/East Berlin Formation Jurassic Mount Toby Formation Jurassic Portland Formation Jurassic Weymouth Formation Cambrian
See also
Paleontology in Massachusetts
References