H. Shaler Williams, ?Some new Mollusca from the Silurian formations of Washington county, Maine?, Proceedings of the United States National Museum, vol. 42, pp. 381-398, pls. 49, 50, 1912.

R.  Watkins, ?Bivalve ecology in a Silurian shelf environment?, Lethaia, vol. 11, pp. 41-56, 1978.

J.  Pojeta, Jr., Kríz, J., and Berdan, J. M., ?Silurian-Devonian pelecypods and Peleozoic stratigraphy of subsurface rocks in Florida and Georgia and related Silurian pelecypods from Bolivia and Turkey?, Geological Survey Professional Paper, vol. 879, pp. 1-29, pls. 1-5, 1976.

J.  Pojeta, Jr. and Norford, B. S., ?A Bohemian-type Silurian (Wenlockian) pelecypod faunule from Arctic Canada?, Journal of Paleontology, vol. 61, pp. 508-520, 1987.

J. S.  Levinton and Bambach, R. K., ?A comparative study of Silurian and recent deposit-feeding bivalve communities?, Paleobiology, vol. 1, pp. 97-124, 1975.

J.  Kríz, ? A new bivalve community from the lower Ludlow of the Prague Basin (Perunica, Bohemia)?, Bulletin of Geosciences, vol. 83, pp. 237?280, 2008.

P. A.  Johnston, ?Systematics and ontogeny of a new bivalve, Umburra cinefacta, from the Silurian of Australia: implications for pteriomorphian evolution?, Alcheringa, vol. 15, pp. 293-319, 1991.

U. P.  James, ?Descriptions of New Species of Fossils from the Lower Silurian Formation, Cincinnati Group?, Cincinnati Quarterly Journal of Science, vol. 1, pp. 239-242, 1874.

R. Smith Bassler, ?Bibliographic index of  American Ordovician  and Silurian fossils?, Smithsonian Institution, United States National Museum. Bulletin, vol. 92, Volume 2, pp. [i-ii]-iv+719-1521+4 pls., 1915.

R. Smith Bassler, ?Bibliographic index of  American Ordovician  and Silurian fossils?, Smithsonian Institution, United States National Museum. Bulletin, vol. 92, Volume 1, pp. [i-vi]-viii+1-718, 1915.

P. A.  Johnston, ?Systematics and ontogeny of a new bivalve, Umburra cinefacta, from the Silurian of Australia: implications for pteriomorphian evolution?, Alcheringa, vol. 15, pp. 293-319, 1991.

R.  Watkins, ?Bivalve ecology in a Silurian shelf environment?, Lethaia, vol. 11, pp. 41-56, 1978.