MORPHOLOGY AND TAXONOMY OF THE INFUSORIA 487 



Class I. Ciliata Perty; em. Butschli. 

 Sub-class I. Holotricha Stein 

 Order 2. Gymnostomida Butschli 



Sub-order 3. Hypostomina Schewiakoff 



Family 1. Nassulidae Schoutedon 



Family 2. Chlamydodontidae Claus. 



Family 3. Dysteriidae Clap, and Lach. 



Family 4. Pycnothricidae Poche (Nicollellidao Ch. and Pe.) 



Family 5. Foettingeriidae Reichenow-Doflein. 

 Order 3. Trichostomida Butschli 



Family 1. Sciadostomidae Kahl 



Family 2. Spirozonidae Kahl 



Family 3. Trichospiridae Kahl 



Family 4. PlagiopyUdae Schewiakoff 



Family 5. Clathrostomidae Kahl 



Family 6. Colpodidae Poche 



Family 7. Parameciidae Grobben 



Family 8. Marynidae Poche 



Family 9. Trichopelmidae Kahl 



Family 10. Conchophthiriidae Reichenow-Doflein 



Family 11. Hypocomidae Biitschli 



Family 12. Boveriidae Pickard 



Family 13. Ancistrumidae Issel 



Family 14. Isotrichidae Butschli 



Family 15. Paraisotrichidae da Cunha 



Family 16. Blepharocoridae Hsiung 



Family 17. Cyathodiniidae da Cunha 

 Order 4. Hymenostomida Hickson 



Family 1. Frontoniidae Kahl 



Family 2. Ophryoglenidae Kent 



Family 3. Philasteridae Kahl 



Family 4. Lembidae Kahl 



Family 5. Pleuronemidae Kent 



Family 6. Hemispeiridae (Hemispeirinae Konig) 

 Sub-class II. Spirotricha Butschli 1889; em. Kahl 

 Order 1. Heterotrichida Stein 



Family 1. Metopidae Kahl 



Family 2. Reichenowellidae Kahl 



Family 3. Spirostomidae Kent 



Family 4. Plagiotomidue Poche 



Family 5. Condylostomidae Kahl 



Family 6. Stentoridae Carus (Claus?) 



Family 7. Folliculinidae Dons 



Family 8. Bursariidae Perty 



Family 9. Peritromidae Stein 



Family 10. Lichnophoridae Stevens 

 Order 2. Oligotrichida Butschli 1889 



Family 1. HaUeriidae Clap, and Lach. 



Family 2. Strombilidiidae Kahl 



Family 3. Tintinnidae Clap, and Lach. 



Family 4. Ophryoscolecidae Claus. (?) 



Family 5. Cycloposthiidae Poche 

 Order 3. Ctenostomida Lauterborn 



Family 1. Epalcidae Wetzel 



Family 2. Milestomidae Kahl 



Family 3. Discomorphidae Poche 



