Genus of marine worm-like animals
Saccoglossus is a genus of acorn worm. It is the largest genus in the Enteropneusta class, with 20 species.
This genus is characterized especially by the concentric rings of muscle fibers in the proboscis. Many "Saccoglossus" can be found in coastal mud and sand habitat, often near bays. They dig tubes in the substrate, ejecting conical piles of castings in a spiral fashion.
Acorn worms of this genus are known for the production and accumulation of various halogenated phenols and pyrroles.
Species.
The follow species are recognized in this genus:
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References.
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