Reference

Steve J. Upton, D.K. Odell, G.D. Bossart, M.T. Walsh (1989): Description of the oocysts of two new species of Eimeria (Apicomplexa: Eimeriidae) from the florida manatee, Trichechus manatus (Sirenia: Trichechidae) – J. Protozool. – 36: 87.