Kingdom Animalia Linnaeus, 1758 - animals
Phylum Rotifera Cuvier, 1798 - rotifers
see Phylum Syndermata Ahlrichs, 1995
Class Monogononta Plate, 1889
Genus Asplanchna Gosse, 1850
Genus Collotheca Harring, 1913
Genus Euchlanis Ehrenberg, 1832
Genus Floscularia Cuvier, 1798
Genus Monostyla Ehrenberg, 1832[1830]
see Subgenus Monostyla
Genus Stephanoceros Ehrenberg, 1832
Genus Testudinella Bory de St.Vincent, 1826