(Keratella) (Keratella) is a biological genus in the family Brachionidae and order Ploima.
Keratella americana
Keratella carinata
Keratella cochlearis
Keratella crassa
Keratella cruciformis
Keratella earlinae
Keratella gracilenta
Keratella hiemalis
Keratella irregularis
Keratella javana
Keratella lenzi
Keratella mixta
Keratella ona
Keratella palludosa
Keratella quadrata
Keratella reducta
Keratella serrulata
Keratella stipita
Keratella taurocephala
Keratella testudo
Keratella ticinensis
Keratella tropica
Keratella valga
Anuraeopsis
Brachionus
Kellicottia
Keratella
Notholca
Plationus
Platyias