Twin sailed salp

T. vagina can reach up to 333 mm (13 in) long. They develop into two distinct forms; the aggregate generation and the solitary generation. The aggregated sexual blastozooids (aggregate form) can get to the size of 250 mm and has five muscle bands.  The solitary asexual oozooids (solitary form) can get to size of 300 mm. Vaginas of this form have around 20 muscle bands, which are characterized as “striped” with two short dark-colored tentacles at their ends, attached at the upper and lower halves of the body.  Both the aggregate and the solitary forms have tests covered in ridges and grooves. They have a colored digestive system seen as a dark or colorful lump. The embryos have been found to be between 10-15 mm.