Pontoscolex (P.) pydanieli spec. nov. (Oligochaeta, Glossoscolecidae) and its parasite Pessoaella pontoscolecis gen. nov., spec. nov. (Eugregarinida, Aikinetocystidae). Studies on Neotropical Fauna and Environment, 23(2) 1988: 71-76. 74 [Zoological Record Volume 125]