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Scientific classification e
Kingdom: Animalia
Phylum: Cnidaria
Class: Myxozoa
Subclass: Malacosporea
Canning, Curry, Feist, Longshaw & Okamura, 2000
Family: Saccosporidae
Canning, Okamura & Curry, 1996

See text

Saccosporidae is a family of myxozoans.[1][2] It is the only family within the subclass Malacosporea and has only three species, while another subclass of Myxozoa, Myxosporea, includes more than a thousand.

Taxonomy and systematics


Saccosporidae are parasites of fish and freshwater bryozoans. Tetracapsuloides bryosalmonae, the only representative of the group whose life cycle is well studied, causes proliferative disease of the kidneys in salmonids. Two stages of the life cycles of the two species in the genus Buddenbrockia are known. One of them is a saccular stage, similar to Tetracapsuloides. During the second stage the animals are mobile and superficially resemble minute worms. Buddenbrockia allmani parasitizes Lophopus crystallinus, while Buddenbrockia plumatellae parasitizes, in particular, Plumatella fungosa.


  • Tops S, Baxa DV, McDowell TS, Hedrick RP, Okamura B (2004). "Evaluation of malacosporean life cycles through transmission studies". Dis Aquat Organ. 60 (2): 109–121. 

External links

Data related to Saccosporidae at Wikispecies