| Scientific Name | Author | English Name |
|---|---|---|
| Cystisella bicornis | unspecified | |
| Cystisella saccata | unspecified | |
| Palmiskenea skenei | (Ellis & Solander, 1786) | |
| Porella acutirostris | Smitt, 1868 | |
| Porella alba | Nordgaard, 1906 | |
| Porella aperta | (Boeck, 1862) | |
| Porella compressa | (Sowerby, 1806) | Flattened bryozoan |
| Porella concinna | (Busk, 1854) | |
| Porella groenlandica | Norman, 1894 | |
| Porella hyadesi | Jullien, 1888 | |
| Porella laevis | (Fleming, 1828) | |
| Porella malouinensis | Jullien, 1888 | |
| Porella minuta | (Norman, 1868) | |
| Porella patens | Osburn, 1952 | |
| Porella patula | (Sars, 1851) | |
| Porella plana | Hincks, 1888 | |
| Porella porifera | (Hincks, 1884) | |
| Porella princeps | Norman, 1903 | |
| Porella proboscidea | Hincks, 1888 | |
| Porella reduplicata | unspecified | |
| Porella sacata | (Busk, 1856) | |
| Porella smitti | Kluge, 1907 | |
| Porella struma | (Norman, 1868) | |
| Porella tubulata | (Busk, 1861) | |
| Porella tumida | Kluge, 1955 |