1. Elliott G. F. , 1953. in press. The Origin of the Terebratellacea (Brachiopoda). Ann. Mag. Nat. Hist.
2. The internal Structure of some Western Australian Cretaceous Brachiopods;Elliott;Journ. Roy. Soc. Western Australia,1952
3. Some new Liassic Terebratuloids;Ager;Proc. Geol. Assoc.,1957
4. New Cretaceous Brachiopoda from Arizona;Cooper;Smithsonian Misc. Coll.,1955
5. Revision of the Families of Loop-bearing Brachiopoda. The Development of Terebratalia obsoleta Dall;Beecher;Trans. Connecticut Acad.,1895