Animal Phyla/Orthonectida
< Animal Phyla 
Orthonetida, an Orthonectidan.

- Orthonectida
- Name Meaning: Straight swim
- English Common Name: Orthonectidans
- Major distinguishing characteristics:
- Approximate number of species described: about 20
Natural History
Taxonomy
Anatomy
The Fossil Record
Quiz
- Orthonectida Quiz
References and Further Reading
- Orthonectida at Wikipedia
- Orthonectida at Encyclopedia of Life