Helminth parasites of Rhinobatos planiceps Garman 1880, including two new species of cestodes, with comments on host specificity of the genus Rhinebothrium Linton 1890.

Rhinebothrium rhinobati sp. n. and Prochristianella heteracantha sp. n. are described from the skate, Rhinobatos planiceps Garman 1880 from Chile. New host records and locations are reported for Acanthobothrium olseni Daliley and Mudry 1969, Parachristianella monomegacantha Kruse 1959, and Proleptus acutus Dujardin 1845. The genus Rhinebothrium is reported from the host family Rhinobatidae for the first time and the host specificity of the genus Rhinebothrium to the Myliobatidae is discussed.