| the haplosporidian bonamia exitiosa is present in australia, but the identity of the parasite described as bonamia (formerly mikrocytos) roughleyi is uncertain. | protistan oyster parasites in the genus bonamia have been observed in recent years infecting new hosts on five continents, with most of these parasites genetically similar to austral species bonamia exitiosa and bonamia roughleyi. identification of the newly observed parasites as one or another of these described species has been complicated by the fact that b. exitiosa and b. roughleyi are phylogenetically indistinguishable at the small-subunit ribosomal dna (ssu rdna) level, with samples of b. ... | 2014 | 24211185 |