Robison BH, Reisenbichler KR, Sherlock RE.

Science. 2005 Jun 10;308(5728):1609-11 doi:10.1126/science.1109104

Giant larvacean houses: rapid carbon transport to the deep sea floor.

Bathochordaeus species may produce one house per day. Sinking houses are an important contribution to the carbon flux to the sea floor.