| Catenulidae | |
|---|---|
| Catenula lemnae | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Platyhelminthes |
| Class: | Catenulida |
| Family: |
Catenulidae Graff, 1905 |
| Genera | |
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Catenulidae is a family of freshwater catenulid flatworms.
Catenulids of the family Catenulidae are characterized by an ovoid brain located in the preoral region. The brain lacks a distinct division into anterior and posterior lobes, although a constriction may occur.