1. Color pattern of a late Devonian brachiopod;Tuftin;Fossils Quarterly,1984
2. Color retention in the brachiopod Chonetinella jeffordsi Stevens;Stevens;Journal of Paleontology,1965
3. Notes on some Upper Paleozoic terebratuloid brachiopods;Stehli;Journal of Paleontology,1962
4. New Devonian terebratuloid brachiopod with preserved color pattern;Stehli;Journal of Paleontology,1955