Summary description from Wikipedia:

Images from inaturalist.org observations:

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©Helen Crawford, some rights reserved (CC-BY-NC-ND)

©Helen Crawford, some rights reserved (CC-BY-NC-ND)

©David Spencer Muirhead, some rights reserved (CC-BY-NC)

©Deneb Ortigosa, some rights reserved (CC-BY-NC)

©Deneb Ortigosa, some rights reserved (CC-BY-NC)

©Marine Explorer (Dr John Turnbull), some rights reserved (CC-BY-NC-SA)

©diana88jingfung, some rights reserved (CC-BY-NC)

©carinb, some rights reserved (CC-BY-NC)

©Siena McKim, some rights reserved (CC-BY-NC)

©Siena McKim, some rights reserved (CC-BY-NC)

©Siena McKim, some rights reserved (CC-BY-NC)

©Al Kordesch, some rights reserved (CC0)

©Al Kordesch, some rights reserved (CC0)

©Al Kordesch, some rights reserved (CC0)

©Al Kordesch, some rights reserved (CC0)

©Al Kordesch, some rights reserved (CC0)

©Marcie Callewaert John, some rights reserved (CC-BY-NC)

©jose_a, some rights reserved (CC-BY-NC)

©marionrb, some rights reserved (CC-BY-NC)

©Floyd E. Hayes, some rights reserved (CC-BY-NC)

©Debra Baker, some rights reserved (CC-BY-NC)

©David Spencer Muirhead, some rights reserved (CC-BY-NC)

©martinbutterfield, some rights reserved (CC-BY-NC)

©Anne Laudisoit, some rights reserved (CC-BY-NC)

©krkzv, some rights reserved (CC-BY-NC)

©Francesco Ricciardi, some rights reserved (CC-BY-NC)

Parent Taxon

• Aplousobranchia

Sibling Taxa

• Clavelinidae
• Diazonidae
• Didemnidae
• Euherdmaniidae
• Holozoidae
• Placentelidae
• Polycitoridae
• Polyclinidae
• Protopolyclinidae
• Pseudodistomidae
• Ritterellidae
• Stomozoidae
• Vitrumidae

Child Taxa

• Distaplia
• Hypodistoma
• Hypsistozoa
• Neodistoma
• Polydistoma
• Protoholozoa
• Pseudoplacentela
• Scotiazoa
• Sigillina
• Sycozoa

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