Order
Stolidobranchia
Stolidobranchia
18 species in this taxon
order of chordates Stolidobranchia (Stolidobranchia) is an order comprising closely related families of organisms. It contains 3 families with 18 known species. This includes the family groups Molgulidae, Pyuridae, and Styelidae. It belongs to Ascidiacea (Ascidiacea).