| Scientific Name | Author | English Name |
|---|---|---|
| Bathyberthella antarctica | Willan & Bertsch, 1987 | |
| Berthella agassizii | (MacFarland, 1909) | Agassiz's sidegill |
| Berthella americana | (Verrill, 1885) | |
| Berthella aurantiaca | (Risso, 1818) | Berthella snail |
| Berthella californica | (Dall, 1900) | California sidegill slug |
| Berthella canariensis | Cervera, Gosliner, Gomez & Ortea, 2000 | |
| Berthella martensi | (Pilsbry, 1896) | Marten's sidegill |
| Berthella medietas | Burn, 1962 | Southern berthella |
| Berthella ocellata | (delle Chiaje, 1830) | |
| Berthella patagonica | (d'Orbigny, 1835) | |
| Berthella platei | (Bergh, 1898) | Orange button sea slug |
| Berthella plumula | (Montagu, 1803) | Yellow plumed sea slug |
| Berthella serenitas | Burn, 1962 | |
| Berthella sideralis | (Loven, 1847) | |
| Berthella stellata | (Risso, 1826) | Starry berthella |
| Berthella strongi | (MacFarland, 1966) | Strong's sidegill |
| Berthella tamiu | Marcus, 1984 | |
| Berthella tupala | Marcus, 1957 | |
| Berthellina citrina | (Ruppell & Leuckart, 1828) | Orange gumdrop |
| Berthellina delicata | (Pease, 1861) | |
| Berthellina edwardsii | (Vayssière, 1897) | |
| Berthellina engeli | Gardiner, 1936 | Orange blob |
| Berthellina quadridens | (Mörch, 1863) | |
| Euselenops luniceps | (Cuvier, 1817) | Moon-faced euselenops |
| Parabathyberthella orcadensis | García, García-Gómez, Troncoso & Cervera, 1994 | |
| Pleurobranchaea bonnieae | Marcus & Gosliner, 1984 | |
| Pleurehdera haraldi | Marcus & Marcus, 1970 | |
| Pleurobranchaea brockii | Bergh, 1897 | |
| Pleurobranchaea bubala | Marcus & Gosliner, 1984 | Warty pleurobranch |
| Pleurobranchaea californica | MacFarland, 1966 | |
| Pleurobranchaea inconspicua | Bergh, 1897 | |
| Pleurobranchaea maculata | (Quoy & Gaimard, 1832) | Grey side-grilled slug |
| Pleurobranchaea meckeli | (Blainville, 1825) | |
| Pleurobranchaea morosa | (Bergh, 1892) | |
| Pleurobranchaea obesa | (Verrill, 1882) | |
| Pleurobranchaea tarda | Verrill, 1880 | |
| Pleurobranchella nicobarica | Thiele, 1925 | |
| Pleurobranchus albiguttatus | (Bergh, 1905) | Mosaic pleurobranch |
| Pleurobranchus areolatus | Morch, 1863 | Atlantic sidegill slug |
| Pleurobranchus atlanticus | Abbott, 1949 | |
| Pleurobranchus brockii | Bergh, 1897 | Brock's Pleurobranchus |
| Pleurobranchus emys | Marcus, 1984 | |
| Pleurobranchus evelinae | Thompson, 1977 | |
| Pleurobranchus forskali | Ruppell & Leuckart, 1828 | Forskal's pleurobranch |
| Pleurobranchus forskalii | Rüppell & Leuckart, 1828 | |
| Pleurobranchus gigas | Sawaya & Grempel, 1972 | |
| Pleurobranchus grandis | Pease, 1868 | Tiled pleurobranch |
| Pleurobranchus hilli | (Hedley, 1894) | Hill's Pleurobranchus |
| Pleurobranchus inhacae | Macnae, 1962 | |
| Pleurobranchus iouspi | Marcus, 1984 | |
| Pleurobranchus lacteus | Dall & Simpson, 1901 | |
| Pleurobranchus membranaceus | (Montagu, 1815) | |
| Pleurobranchus nigropunctatus | (Bergh, 1907) | |
| Pleurobranchus niveus | (Verrill, 1901) | |
| Pleurobranchus peronii | Cuvier, 1804 | Papillate pleurobranch |
| Pleurobranchus reesi | White, 1952 | |
| Pleurobranchus testudinarius | Cantraine, 1835 | |
| Pleurobranchus xhosa | Macnae, 1962 | |
| Polictenidia tomasi | García, Troncoso, Cervera & García-Gómez, 1996 | |
| Tomthompsonia antarctica | (Thiele, 1912) |