Gulf of Mexico, southeastern United States and the Bahamas, northeastern United States and Atlantic Canada
Forrester, D. J. 1992. Parasites and Diseases of Wild Mammals in Florida. University Press of Florida, Gainesville, Florida. 460 pp.
Kinsella, J. M. 1988. Comparison of helminths of rice rats, Oryzomys palustris, from freshwater and saltwater marshes in Florida. Proceedings of the Helminthological Society of Washington 55: 275–280.
Sogandares-Bernal, F., and J. F. Bridgman. 1960. Three Ascocotyle complex trematodes (Heterophyidae) encysted in fishes from Louisiana, including the description of a new genus. Tulane Studies in Zoology 8: 31–39.
Sogandares-Bernal, F., and R. D. Lumsden. 1963. The generic status of the heterophyid trematodes of the Ascocotyle complex, including notes of the systematics and biology of Ascocotyle angrense Travassos, 1916. Journal of Parasitology 49: 264–274.
Added keyword "parasitic"
Overstreet, R. M., J. O. Cook, and R. W. Heard. 2009. Trematoda (Platyhelminthes) of the Gulf of Mexico, Pp. 419–486 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.
Harte Research Institute for Gulf of Mexico Studies. 2016. GulfBase: Resource Database for Gulf of Mexico Research, Education, and Management. Texas A&M University-Corpus Christi. World Wide Web electronic publication. http://www.gulfbase.org, 05-29-2020.