Nickol, B. B., R. W. Heard, and N. F. Smith. 2002. Acanthocephalans from crabs in the southeastern U.S., with the first intermediate hosts known for Arhythmorhynchus frassoni and Hexaglandula corynosoma. Journal of Parasitology 88: 79–83.
Added keyword "parasitic"
Salgado-Maldonado, G. and O. M. Amin. 2009. Acanthocephala of the Gulf of Mexico, Pp. 539–552 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, 06-02-2020.