Body barrel-shaped.
Muscle bands form 8 bands.
Gill-slits small.
Tailed larva absent.
Pharynx communicates with atrium.
e.g Salpa, Scyclosalpa.
Muscle bands form 8 bands.
Gill-slits small.
Tailed larva absent.
Pharynx communicates with atrium.
e.g Salpa, Scyclosalpa.
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