Type species: Lacerna hosteensis Jullien, 1888
This genus includes the species:
| (MacGillivray, 1883) | Recent | Australia | WoRMS 471257 | |
| Canu & Lecointre, 1928 | Neogene Miocene | France | WoRMS 1404387 | |
| (Canu & Bassler, 1929) | Recent | West Pacific Philippines | WoRMS 471260 | |
| (Neviani, 1895) | Neogene Pliocene | Italy | WoRMS 1411702 | |
| (MacGillivray, 1895) | Neogene Miocene Langhian | Australia Victoria. | WoRMS 1411703 | |
| (Busk, 1876) | Recent | South Indian Ocean Kerguelen | WoRMS 174210 | |
| (Koschinsky, 1885) | Paleogene Eocene Lutetian | Germany | WoRMS 1411704 | |
| (Reuss, 1874) | Neogene Miocene | Austria old | WoRMS 1411705 | |
| Vigneaux, 1949 | Neogene Miocene Burdigalian | France | WoRMS 1404388 | |
| Marcus, 1955 | Recent | West Atlantic Brazil | WoRMS 471259 | |
| Canu & Lecointre, 1928 | Neogene Miocene Burdigalian | France | WoRMS 1404389 | |
| Canu & Bassler, 1920 | Paleogene Eocene Priabonian | USA Florida | WoRMS 1404390 | |
| Jullien, 1888 | Recent | South Atlantic | WoRMS 174212 | |
| Canu & Bassler, 1920 | Paleogene Eocene Priabonian | USA Mississippi | WoRMS 1404391 | |
| (MacGillivray, 1895) | Neogene Miocene | Australia Victoria. | WoRMS 1411706 | |
| (Maplestone, 1902) | Neogene Miocene | Australia Victoria. | WoRMS 1411707 | |
| Gordon & Taylor, 2015 | Paleogene Eocene Ypresian | New Zealand Chatham Islands | WoRMS 1404392 | |
| (Maplestone, 1902) | Neogene Miocene | Australia Victoria. | WoRMS 1411708 | |
| (Manzoni, 1875) | Neogene Pliocene | Italy | WoRMS 1411709 | |
| Gordon, 1984 | Recent | Kermadec I. | WoRMS 471258 | |
| (Gordon, 1989) | Recent | New Zealand | WoRMS 573243 | |
| Hayward & Thorpe, 1989 | Recent | Antarctica | WoRMS 174207 |
Many of these species need modern revision. They are included here until more information is available.
Harmer notebook - entry for Lacerna
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| Lacerna arachnoides |