Reference

C. Azevedo, P. Matos, E. Matos (1993): Morphological data of Calyptospora spinosa n. sp. (Apicomplexa, Calyptosporidae) parasite of Crenicichla lepidota HECKEL, 1840(Teleostei) from amazon river – Europ. J. Protistol. – 29: 171 - 175.