KHAN, R.A. & LEE, E.M. & WHITTY, W.S. (1991)
Blood protozoans of fish from the Davis Strait in the northwestern Atlantic Ocean. Canadian Journal of Zoology, 69 (2): 410–413
DOI: 10.1139/z91-064
ARAGORT, W. & ALVAREZ, M.F. & LEIRO, J.L. & SANMARTIN, M.L. (2005)
Blood protozoans in elasmobranchs of the family Rajidae from Galicia (NW Spain). Diseases of Aquatic Organisms, 65 (1): 63–68
DOI: 10.3354/dao065063