Calanus
Encyclopedia
Calanus is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of marine
Marine (ocean)
Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...

 copepod
Copepod
Copepods are a group of small crustaceans found in the sea and nearly every freshwater habitat. Some species are planktonic , some are benthic , and some continental species may live in limno-terrestrial habitats and other wet terrestrial places, such as swamps, under leaf fall in wet forests,...

 in the family Calanidae
Calanidae
Calinidae is the largest taxonomic family of calanoid copepods. It includes the genus Calanus, which may be the most abundant animal genus on Earth. Copepods of the genera Calanus and Neocalanus are ecologically important in the Arctic and subarctic regions of the world's oceans.- External links :*...

 (Order Calanoida
Calanoida
Calanoida is an order of copepods, a kind of zooplankton. They include around 40 families with about 1800 species of both marine and freshwater copepods. Calanoid copepods are dominant in the plankton in many parts of the world's oceans, making up 55%–95% of plankton samples...

). The genus was split in 1974, with some species being placed in a new genus, Neocalanus. The following species are recognised:
  • Calanus aculeatus Brady, 1918
  • Calanus affinis Dana, 1849
  • Calanus agulhensis De Decker, Kaczmaruk & Marska, 1991
  • Calanus amaenus Dana, 1849
  • Calanus americanus Herrick, 1887
  • Calanus anglicus Lubbock, 1857
  • Calanus appressus Dana, 1849
  • Calanus arcticus Lubbock, 1854
  • Calanus australis Brodsky, 1959
  • Calanus chilensis Brodsky, 1959
  • Calanus communis Dana, 1849
  • Calanus comptus Dana, 1852
  • Calanus dorsalis (Rafinesque, 1817)
  • Calanus euxinus Hulsemann, 1991
  • Calanus finmarchicus
    Calanus finmarchicus
    Calanus finmarchicus is a zooplankton species, which is found in enormous amounts in the North Sea; this species is also abundant in the Norwegian Sea. This zooplankton is considered as a possible raw material in marine feed....

    (Gunnerus, 1770)
  • Calanus glacialis Jaschnov, 1955
  • Calanus helgolandicus (Claus, 1863)
  • Calanus hyperboreus Kroyer, 1838
  • Calanus jashnovi Hulsemann, 1994
  • Calanus longiremis (Claus, 1863)
  • Calanus marshallae Frost, 1974
  • Calanus nataliensis (Brady, 1914)
  • Calanus pacificus Brodsky, 1948
  • Calanus penicillatus Lubbock, 1856
  • Calanus propinquus Brady, 1883
  • Calanus simillimus Giesbrecht, 1902
  • Calanus sinicus Brodsky, 1962
  • Calanus torticornis (Brady, 1918)
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