Styela is a genus of tunicates. Styela clava, an edible species, is known as an invasive species in some areas. Species include: \n* Styela adriatica F. & C. Monniot, 1976 \n* Styela aequatorialis Michaelsen, 1915 \n* Styela angularis (Stimpson, 1855) \n* Styela aomori Oka, 1935 \n* Styela argillacea Sluiter, 1900 \n* Styela asterogama Millar, 1975 \n* Styela bathybia Bonnevie, 1896 \n* Styela brevigaster Millar, 1988 \n* Styela calva Monniot C., Monniot F. & Millar, 1976 \n* Styela canopus (Savigny, 1816) \n* Styela chaini Monniot C. & Monniot F., 1970 \n* Styela changa Monniot & Andrade, 1983 \n* Styela charcoti Monniot C. & Monniot F., 1973 \n* Styela clava Herdman, 1881 \n* Styela clavata (Pallas, 1774) \n* Styela complexa Kott, 1995 \n* Styela coriacea (Alder & Hancock,