About 40, see text Acuariidae Seurat, 1913 Spiropteridae Leiper, 1911 Streptocaridae Skrjabin, Sobolev & Ivashkin, 1965 Acuariidae is a family of spirurian nematodes.
Like all nematodes, they have neither a circulatory nor a respiratory system.
They are the only family in superfamily Acuarioidea, and number about 40 genera and 300 species, most of which are parasites of birds.
Subfamily Acuariinae Railliet, Henry & Sisoff, 1912 Subfamily Schistorophinae Travassos, 1918 Subfamily Seuratiinae Chitwood & Wehr, 1932 Incertae sedis
This Secernentea roundworm- related article is a stub.