Correction to: Parasitology Research

https://doi.org/10.1007/s00436-018-5749-2

The high level of ultrastructural similarity observed between the microsporidium described as a type species of the new genus Fibrillaspora and Berwaldia was not addressed due to the distant SSU rRNA-gene based phylogenetic placement of this new microsporidium as compared to the taxon annotated as Berwaldia schaefernai (GenBank accession # AY090042). In a recent study, however, it was demonstrated that the latter sequence was derived from a microsporidium that is not Berwaldia (Vavra et al. 2017). The correct SSU rRNA sequences for Berwaldia singularis (# MF139318), the type species of this genus, as well as for B. schaefernai (# MF139317), were deposited in GenBank. An alignment (495 bp) of B. singularis, B. schaefernai and F. daphniae showed 97.5-97.7 % sequence similarity between these three taxa, clearly indicating that they are congeneric, which is confirmed by the similarity in the fine structure of their developmental stages. Accordingly, the genus Fibrillaspora should be referred to as a junior synonym of Berwaldia, its diagnosis should be withdrawn, the species Fibrillaspora daphniae should be transferred to the genus Berwaldia as a new combination, Berwaldia daphniae comb. n., and the family Fibrillasporidae, due to its vague etymology, should be renamed Berwaldiidae with Berwaldia as the type genus.