Blepharisma americanum

Blepharisma coeruleum

Blepharisma hyalinum

Blepharisma musculus

Climacostomum emarginatum

Linostomella vorticella

Phacodinium metchnikoffi

Pseudoblepharisma tenue

Spirostomum caudatum

Spirostomum minus

Stentor amethystinus

Stentor coeruleus

Stentor fuliginosus

Stentor muelleri

Stentor multiformis

Stentor niger

Stentor polymorphus

Stentor roeselii