Template:Boucot, 1971
- Boucot, A.J. 1971. Aenigmastrophia, New Genus, a Difficult Silurian Brachiopod. In J. T. Dutro, Jr., editor, Paleozoic Perspectives: A Paleontological Tribute to G. Arthur Cooper. Smithsonian Contributions to Paleobiology, 3: 155–158.