The house was immediately destroyed into a shapeless mass. I do think it must be possible to make pictures of the whole device. By carefully adjusting the position of the lamp the housing should light up. A strong macro lens that enables a magnification of 3 to 1 should be enough. Plenty of specimens should be available.
Larvaceans rebuild their house every day.
If you give them time it should be possible. But I did not succeed. I only found a few larvaceans, but was already pleased that I made this observation. And it is not that bad that there are still many challenges left in microscopy. A close up of the head of Oikopleura , the large sphere is its ovary.