''Euphausia'' is the largest

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including

Antarctic krill Antarctic krill (''Euphausia superba'') is a species of krill found in the Antarctic waters of the Southern Ocean. It is a small, swimming crustacean that lives in large schools, called swarms, sometimes reaching densities of 10,000–30,000 ind ...

(''Euphausia superba'') and ice krill (''

Euphausia crystallorophias ''Euphausia crystallorophias'' is a species of krill, sometimes called ice krill, crystal krill, or Antarctic coastal krill. It lives in the coastal waters around Antarctica, further south than any other species of krill. The specimens for the sp ...

'') from the

Southern Ocean The Southern Ocean, also known as the Antarctic Ocean, comprises the southernmost waters of the World Ocean, generally taken to be south of 60° S latitude and encircling Antarctica. With a size of , it is regarded as the second-small ...

, and North Pacific krill ('' Euphausia pacifica'') in the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...

. *''

Euphausia americana ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill (''Euphausia crystallorophias'') from the Southern ...

'' Hansen, 1911 *''

Euphausia brevis ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill (''Euphausia crystallorophias'') from the Southern Oc ...

'' Hansen, 1905 *''

'' Holt & Tattersall, 1906 *'' Euphausia diomedeae'' Ortmann, 1894 *''

Euphausia distinguenda ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill (''Euphausia crystallorophias'') from the Southern Oc ...

'' Hansen, 1908 *'' Euphausia eximia'' Hansen, 1911 *''

Euphausia fallax ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern O ...

'' Hansen, 1916 *''

Euphausia frigida ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern ...

'' Hansen, 1911 *'' Euphausia gibba'' G. O. Sars, 1883 *''

Euphausia gibboides ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern ...

'' Ortmann, 1893 *'' Euphausia hanseni'' Zimmer, 1915 *''

Euphausia hemigibba ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill (''Euphausia crystallorophias'') from the Southern Oc ...

'' Hansen, 1910 *'' Euphausia krohnii'' (Brandt, 1851) *'' Euphausia lamelligera'' Hansen, 1911 *'' Euphausia longirostris'' Hansen, 1908 *'' Euphausia lucens'' Hansen, 1905 *'' Euphausia mucronata'' G. O. Sars, 1883 *'' Euphausia mutica'' Hansen, 1905 *'' Euphausia nana'' Brinton, 1962 *'' Euphausia pacifica'' Hansen, 1911 *'' Euphausia paragibba'' Hansen, 1910 *'' Euphausia pseudogibba'' Ortmann, 1893 *'' Euphausia recurva'' Hansen, 1905 *''

Euphausia sanzoi ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern ...

'' Torelli, 1934 *'' Euphausia sibogae'' Hansen, 1908 *''

Euphausia similis ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern O ...

'' G. O. Sars, 1885 *''

Euphausia spinifera ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill (''Euphausia crystallorophias'') from the Southern Oc ...

'' G. O. Sars, 1885 *'' Euphausia superba'' Dana, 1850 *''

Euphausia tenera ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill (''Euphausia crystallorophias'') from the Southern Oc ...

'' Hansen, 1905 *''

Euphausia triacantha ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill (''Euphausia crystallorophias'') from the Southern Oc ...

'' Holt & Tattersall, 1906 *''

Euphausia vallentini ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill (''Euphausia crystallorophias'') from the Southern Oc ...

'' Stebbing, 1900

References

External links

* Krill Crustacean genera Taxa named by James Dwight Dana {{Malacostraca-stub