''Prostoma eilhardi'' is a species of
ribbon worm
Nemertea is a phylum of animals also known as ribbon worms or proboscis worms, consisting of about 1300 known species. Most ribbon worms are very slim, usually only a few millimeters wide, although a few have relatively short but wide bodies. ...
. This species uses ciliary gliding to get from place to place. It is closely related to
Prostoma graecense. The species has been classified as
androdioecious
Androdioecy is a reproductive system characterized by the coexistence of males and hermaphrodites. Androdioecy is rare in comparison with the other major reproductive systems: dioecy, gynodioecy and hermaphroditism. In animals, androdioecy has be ...
.
The species has been reported to have a distribution across the world but not all reports may be authentic.
References
Monostilifera
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