| thelohania parastaci sp. nov. (microspora: thelohaniidae), a parasite of the australian freshwater crayfish, cherax destructor (decapoda: parastacidae). | thelohania parastaci sp. nov. infects the australian freshwater crayfish, cherax destructor. data on morphology, developmental patterns and sequences from the small subunit (ssu) and internal transcribed spacer (its) regions of the ribosomal dna (rdna) of t. parastaci sp. nov. are described. the ultrastructural features of different life cycle stages are very similar to those of the european crayfish parasite thelohania contejeani. t. parastaci sp. nov. exhibits simultaneous dimorphic sporogony ... | 2003 | 12923627 |