Phylum Gastrotricha includes about 430 species worldwide. Members are small to microscopic, free-living, acoelomate, aquatic worms.
Photograph and classification from the Tree of Life Web Project.
Gastrotricha World Portal
Detailed information about these small aquatic organisms, including overview, systematics, evolution, checklists, photos, and movies.
Encyclopedia article including anatomy, reproduction and taxonomy.
Last update:September 5, 2007 at 9:55:05 UTC