| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Leucon acclivis (Bishop, 1981) |
Southeast Atlantic | ||
| Leucon acutirostris unspecified |
Arctic and Northwest Atlantic | ||
| Leucon adelae Petrescu, 1991 |
Antarctic | ||
| Leucon afeni Shalla & Bishop, 2004 |
Northeast Atlantic | ||
| Leucon affinis Fage, 1951 |
Mediterranean Sea | ||
| Leucon americanus Zimmer, 1943 |
Western Central Atlantic | ||
| Leucon antarcticus Zimmer, 1907 |
Southeast Pacific and Antarctic | ||
| Leucon armatus Given, 1961 |
Eastern Central Pacific | ||
| Leucon assimilis Sars, 1886 |
Southeast Pacific, Northeast Atlantic and Antarctic | ||
| Leucon bacescui Petrescu, 1994 |
Southeast Pacific | ||
| Leucon bengalensis Lomakina, 1967 |
Indian Ocean | ||
| Leucon breidensis Gamo, 1987 |
Antarctica | ||
| Leucon craterus Bishop, 1981 |
Southeast Atlantic | ||
| Leucon dayae Ledoyer, 1988 |
Western Indian Ocean | ||
| Leucon declivis Watling & McCann, 1996 |
Northeast Pacific | ||
| Leucon ensis Bishop, 1981 |
Mediterranean Sea | ||
| Leucon falcicosta Watling & McCann, 1996 |
Northeast Pacific | ||
| Leucon fulvus Sars, 1865 |
Northeast Pacific, Arctic, Northern Atlantic and the Mediterranean Sea | ||
| Leucon galatheae (Jones, 1956) |
Western Central Atlantic | ||
| Leucon hanseni Shalla & Bishop, 2004 |
North Atlantic | 0.43 | |
| Leucon heterostylis Calman, 1907 |
Southwest Pacific | ||
| Leucon holti Shalla & Bishop, 2004 |
Northeast Atlantic | ||
| Leucon inexcavatus Ledoyer, 1977 |
Antarctic Indian Ocean | ||
| Leucon intermedius Mühlenhardt-Siegel, 1996 |
Antarctic | ||
| Leucon kalluropus Stebbing, 1912 |
Southeast Atlantic | ||
| Leucon kerguelensis Zimmer, 1908 |
Antarctic Indian Ocean | ||
| Leucon kobjakovae Lomakina, 1955 |
Russia | ||
| Leucon laticaudus Lomakina, 1952 |
North Pacific Ocean | ||
| Leucon latispina Jones, 1963 |
Southwest Pacific | ||
| Leucon longirostris Sars, 1871 |
Mediterranean Sea | ||
| Leucon macrorhinus Fage, 1951 |
Mediterranean Sea | ||
| Leucon magnadentata unspecified |
Canada | ||
| Leucon magnadentatus Given, 1961 |
Eastern Central Pacific | ||
| Leucon mediterraneus Sars, 1878 |
Endemic to the Mediterranean Sea | ||
| Leucon meredithi Petrescu, 1991 |
Southwest Atlantic and Southeast Pacific | ||
| Leucon minor Lomakina, 1955 |
Russia | ||
| Leucon nasica (Krøyer, 1841) |
Arctic and Northern Atlantic | ||
| Leucon nasicoides Lilljeborg, 1855 |
Arctic and Northwest Atlantic | ||
| Leucon nathorsti Ohlin, 1901 |
Arctic and Northern Atlantic | 0.5 | |
| Leucon norrevangi Watling & Gerken, 1999 |
Northeast Atlantic | ||
| Leucon pallidus Sars, 1865 |
Arctic and Northeast Atlantic | ||
| Leucon parasiphonatus Mühlenhardt-Siegel, 1994 |
Antarctic | ||
| Leucon polarsterni Ledoyer, 1993 |
Antarctic | ||
| Leucon profundus unspecified |
Northwest Atlantic and the Mediterranean Sea | ||
| Leucon pusillus (Bishop, 1981) |
Eastern Central Atlantic | ||
| Leucon robustus Hansen, 1920 |
Greenland | ||
| Leucon sagitta Zimmer, 1907 |
Antarctic | ||
| Leucon sarsi Shalla & Bishop, 2004 |
Northeast Atlantic | ||
| Leucon septemdentatus Zimmer, 1902 |
Northeast Atlantic and Sub-Antarctic | ||
| Leucon serratus Norman, 1879 |
Northwest Atlantic and the Mediterranean Sea | ||
| Leucon serrulirostris Ledoyer, 1988 |
Western Indian Ocean | ||
| Leucon simanensis Gamo, 1962 |
Northwest Pacific | ||
| Leucon siphonatus Calman, 1905 |
Northeast Atlantic and the Mediterranean Sea | ||
| Leucon socius (Bishop, 1981) |
Western Central Atlantic | ||
| Leucon spiniventris Hansen, 1920 |
East Atlantic | ||
| Leucon spinulosus Hansen, 1920 |
Northern Atlantic and the Arctic | ||
| Leucon stenorhynchus Gamo, 1988 |
Northwest Pacific | ||
| Leucon subnasica Given, 1961 |
Eastern Central Pacific | ||
| Leucon tener Hansen, 1920 |
Northwest Atlantic and the Mediterranean Sea | ||
| Leucon vanhoeffeni Zimmer, 1907 |
Northeast Atlantic and Sub-Antarctic | ||
| Leucon varians Gamo, 1962 |
Northwest Pacific | ||
| Leucon vasilei Petrescu, 1994 |
Southeast Pacific | ||
| Leucon weddelli Ledoyer, 1993 |
Antarctic |