Lecithoepitheliata
| Lecithoepitheliata | |
|---|---|
 | |
| Geocentrophora baltica | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Platyhelminthes |
| Class: | Turbellaria |
| Order: | Lecithoepitheliata Reisinger, 1924 |
The Lecithoepitheliata are an order of turbellarian flatworms.
They are free-living worms, found in both freshwater and marine environments. They are distinguished from other flatworms by the presence of four nerve cords and the fact that the ovary forms a single structure that both produces the ovum and nourishing yolk cells. In most other flatworms, yolk cells, where present at all, are typically formed in a gland derived from the ovary, but separate from it. Other diagnostic features of this order include the presence of a sharp stylet on the end of the penis, and a simple, unbranched, intestine.
References
Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 229. ISBN 0-03-056747-5.
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