Gulf of Mexico, southeastern United States and the Bahamas
Chandler, A. C. 1941b. Helminths of muskrats in southeast Texas. Journal of Parasitology 27: 174–181.
Doran, D. J. 1955. A catalogue of the Protozoa and helminths of North American rodents. IV. Trematoda. The American Midland Naturalist 53: 446–454.
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.
Penn, G. H. 1942. Parasitological survey of Louisiana muskrats. Journal of Parasitology 28: 348–349.
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, 01-24-2021.