Colonial Sea Squirts

Aplousobranchia

Aplousobranchia (colonial sea squirts) is an order in the class Ascidiacea, containing 1,566 described species.

Scientific classification

Families

• Didemnidae616
• Polyclinidae443
• Polycitoridae198
• Holozoidae105
• Clavelinidae71
• Diazonidae41
• Pseudodistomidae33
• Ritterellidae31
• Euherdmaniidae12
• Protopolyclinidae9
• Stomozoidae4
• Placentelidae2
• Vitrumidae1