''Crangon'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

of shrimp.

Distribution

''Crangon'' species are found exclusively in the Northern Hemisphere, with most of the species occurring in the northern

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 contin ...

. '' C. septemspinosa'' is the only species in the genus to occur in the north-western

Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...

, while in the north-eastern Atlantic, '' C. crangon'' and '' C. allmani'' occur. With the exception of the important commercial species ''C. crangon'', however, the distributions of ''Crangon'' species are poorly characterised. The greater number of species in the Pacific Ocean is thought to indicate that the genus originated in the Pacific.

Species

''Crangon'' contains the following extant species: *'' Crangon affinis'' De Haan, 1849 *'' Crangon alaskensis'' Lockington, 1877 *'' Crangon alba'' Holmes, 1900 *'' Crangon allmani'' Kinahan, 1860 *'' Crangon amurensis'' Bražnikov, 1907 *'' Crangon capensis'' Stimpson, 1860 *'' Crangon cassiope'' De Man, 1906 *''

Crangon crangon ''Crangon crangon'' is a species of caridean shrimp found across the northeastern Atlantic Ocean from the White Sea in the north of Russia to the coast of Morocco, including the Baltic Sea, as well as occurring throughout the Mediterranean and Bl ...

'' (

Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...

, 1758) *'' Crangon dalli'' Rathbun, 1902 *'' Crangon franciscorum'' Stimpson, 1856 *'' Crangon hakodatei'' Rathbun, 1902 *'' Crangon handi'' Kuris & Carlton, 1977 *'' Crangon holmesi'' Rathbun, 1902 *'' Crangon lockingtonii'' Holmes, 1904 *'' Crangon nigricauda'' Stimpson, 1856 *'' Crangon nigromaculata'' Lockington, 1877 *'' Crangon propinquus'' Stimpson, 1860 *'' Crangon septemspinosa'' Say, 1818 *'' Crangon uritai'' Hayashi & J. N. Kim, 1999 A further two species are known from the

fossil record A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...

References

Caridea Decapod genera Taxa named by Johan Christian Fabricius {{Caridea-stub