Clades:
Planctosphaeroidea;
Hemichordata;
Ambulacraria; Suaropsida;
Animals.
ZoologyAnimal; possessing mucus secreting glands around the ciliated band, assisting in feeding or deterring predators and parasites.
Larvae: free swimming; tornaria larvae similar to
Enteropneusta, which possess a ciliated band to capture food particles.
TaxonomyThe mucus glands and size define their own class.