| Scientific Name | Author | English Name |
|---|---|---|
| Cibacapsa gulosa | Monniot & Monniot, 1983 | |
| Cryptia planum | Monniot & Monniot, 1973 | |
| Dicopia antirrhinum | Monniot, 1972 | |
| Dicopia fimbriata | Sluiter, 1905 | |
| Dicopia japonica | Oka, 1913 | |
| Hypobythius calycodes | Moseley, 1876 | |
| Hypobythius moseleyi | Herdman, 1882 | |
| Kaikoja globosa | Monniot, 1998 | |
| Kaikoja multitentaculata | (Vinogradova, 1975) | |
| Megalodicopia hians | Oka, 1918 | Megabyte sea squirt |
| Megalodicopia rineharti | (Monniot & Monniot, 1989) | |
| Myopegma melanesium | Monniot & Monniot, 2003 | |
| Octacnemus alatus | Monniot & Monniot, 1985 | |
| Octacnemus bythius | Moseley, 1876 | |
| Octacnemus herdmanni | Ritter, 1906 | |
| Octacnemus ingolfi | Madsen, 1947 | |
| Octacnemus kottae | Sanamyan & Sanamyan, 2002 | |
| Octacnemus vinogradovae | Sanamyan & Sanamyan, 1999 | |
| Octacnemus zarcoi | Monniot & Monniot, 1984 | |
| Polyoctacnemus patagoniensis | (Metcalff, 1893) | |
| Situla cuculli | Monniot & Monniot, 1991 | |
| Situla galeata | Monniot & Monniot, 1991 | |
| Situla lanosa | Monniot & Monniot, 1973 | |
| Situla macdonaldi | Monniot & Monniot, 1977 | |
| Situla pelliculosa | Vinogradova, 1969 | |
| Situla rebainsi | Vinogradova, 1975 |