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The World of Protozoa, Rotifera, Nematoda and Oligochaeta
Isolation method
Culture method
Culture collection history
Systematics
Protozoa
Rotifera
Nematoda
Oligochaeta
Identification (Morphology)
Glossary
Glossary of Protozoa
Glossary of Rotifera
Glossary of Oligochaeta
Toxicity test
Chemicals
Test Organisms
Test Microcosms & Mesocosms
Toxicity assessment
Medium composition
Technical terms
Reference
Journal list
Oionchus
Oionchus
Cobb
(ref. ID; 1923)
ref. ID; 1923
Lips 6. (One species, moist soil near irrigation ditch) (ref. ID; 1923)