Microcosmus is a genus of tunicates in the family Pyuridae, containing the following species:
Styela is a genus of tunicates. Styela clava, an edible species, is known as an invasive species in some areas.
Eusynstyela is a genus of ascidian tunicates in the family Styelidae.
Halocynthia is a genus of ascidian tunicates in the family Pyuridae. Species such as H. roretzi are eaten in parts of Asia as a delicacy.
Stolidobranchia is an order of tunicates in the class Ascidiacea. The group includes both colonial and solitary animals. They are distinguished from other tunicates by the presence of folded pharyngeal baskets. This provides the etymology of their name: in ancient Greek, στολίς, ίδος means the "fold" of a cloth. Stolidobranchian sea squirts are also characterized by the complete absence of an abdomen. The abdominal organs of other tunicates are instead located to one side of the pharyngeal basket in this group.
Aplidium is a genus of colonial sea squirts, tunicates in the family Polyclinidae. There are about 188 species in the genus found in shallow waters around the world.
Polycarpa is a genus of ascidian tunicates in the family Styelidae.
Styelidae is a family of ascidian tunicates.
Molguloides is a genus of marine tunicates.
Alloeocarpa is a genus of ascidian tunicates in the family Styelidae.
Bathyoncus is a genus of ascidian tunicates in the family Styelidae.
Cnemidocarpa is a genus of ascidian tunicates in the family Styelidae.
Distomus is a genus of ascidian tunicates in the family Styelidae.
Gynandrocarpa is a genus of ascidian tunicates in the family Styelidae.
Metandrocarpa is a genus of ascidian tunicates in the family Styelidae.
Monandrocarpa is a genus of ascidian tunicates in the family Styelidae.
Polyzoa is a genus of ascidian tunicates in the family Styelidae.
Stolonica is a genus of ascidian tunicates in the family Styelidae.
Symplegma is a genus of ascidian tunicates in the family Styelidae.
Boltenia is a genus of ascidian tunicates in the family Pyuridae.
