Prosthiostomum
Prosthiostomum is a genus of flatworms belonging to the family Proseriata. These marine worms are typically small, measuring only a few millimeters in length. They are commonly found in intertidal zones and shallow waters, inhabiting a variety of substrates like seaweeds, sponges, and sand.
Common Names
Members of the genus Prosthiostomum are not commonly known by any specific vernacular names. They are typically referred to simply as "flatworms" or "proseriate flatworms."
Characteristics
Prosthiostomum species share several key characteristics:
- Small size: Most species are less than 1 cm long.
- Elongated, flattened body: The body is typically long and thin, resembling a ribbon.
- Lack of eyes: Prosthiostomum species are blind.
- Simple digestive system: They have a single mouth and a blind gut, lacking an anus.
- Reproductive system: These flatworms are hermaphrodites, possessing both male and female reproductive organs.
Environment
Prosthiostomum species are primarily found in marine environments, particularly in intertidal zones and shallow waters. They are often associated with seaweeds, sponges, and other benthic organisms. Their distribution is generally restricted to temperate and tropical regions.
References
For further information about Prosthiostomum, consult the following reliable sources: