Keratella americana- Keratella cochlearis
- Keratella crassa
- Keratella cruciformis
- Keratella eichwaldi
- Keratella hiemalis
- Keratella kostei
- Keratella lenzi
- Keratella mexicana
- Keratella mixta
- Keratella paludosa
- Keratella procurva
- Keratella quadrata
- Keratella reducta
- Keratella serrulata
- Keratella taurocephala
- Keratella tecta
- Keratella ticinensis
- Keratella tropica
- Keratella valga