Coelospira

Hall, J. (1863). Contributions to the Palaeontology of New-York. <em>Sixteenth Annual Report of the Regents of the University of the State of New-York on the Condition of the State Cabinet of Natural History and the Historical and Antiquarian Collection Annexed Thereto.</em> Appendix D.

Treatise on Invertebrate Paleontology. (1997-2007). Part H revised, Brachiopoda. <em>Geological Society of America, Boulder; and University of Kansas Press, Lawrence,.</em> vol. 1-6.