Note:

Tassonomia:

Domain: Eukaryota Whittaker & Margulis,1978 - eukaryotes
Kingdom: Animalia Linnaeus, 1758 - linnaeus, 1758 - animals
Subkingdom: Bilateria (Hatschek, 1888) Cavalier-Smith, 1983 - (hatschek, 1888) cavalier-smith, 1983 - bilaterians
Branch: Deuterostomia Grobben, 1908 - deuterostomes
Infrakingdom: Chordonia (Haeckel, 1874) Cavalier-Smith, 1998
Phylum: Chordata Bateson, 1885 - chordates
Subphylum: Tunicata (too-nih-KAY-tuh) Lamarck, 1816 - tunicates
Class: Ascidiacea - sea squirts
Order: Stolidobranchia
Family: Pyuridae
Genus: Microcosmus
Specific name: microcosmus Cuvier
Scientific name: Microcosmus microcosmus Cuvier