Dana, 1852 Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria Placozoa Bilateria Acoelomorpha Orthonectida Rhombozoa Myxozoa Superphylum Deuterostomia Chordata (vertebrates, etc. ... Subphyla and Classes Subphylum Trilobitomorpha Trilobita - Trilobites (extinct) Subphylum Chelicerata Arachnida - Spiders, Scorpions, etc. ... Classes Remipedia Cephalocarida Branchiopoda Ostracoda Maxillopoda Malacostraca The crustaceans (Crustacea) are a large group of arthropods (55,000 species), usually treated as a subphylum. ... Orders Not necessarily a complete list: Leptostraca Stomatopoda Bathynellacea Thermosbaenacea Mysidacea Cumacea Amphipoda Isopoda Tanaidacea Euphausiacea Amphionidacea Decapoda Peracarida The Malacostraca are the largest subgroup of crustaceans, and include most of the animals that non-experts recognise as crustaceans, including the decapods (such as crabs, mole crabs, lobsters and true... Common name. ... James Dwight Dana (February 12, 1813 - April 14, 1895) was an American geologist, mineralogist and zoologist. ... 1852 was a leap year starting on Thursday (see link for calendar). ...
Many, see text. In biology, a species is a kind of organism. ...
The genus Euphausia is the largest genus of krill within the family of the Euphausiidae. Binomial name Euphausia superba Dana, 1850 Krill is the Norwegian word for whale food. ...
Taxonomy
There are 31 species known in this genus.
Euphausia americana Hansen, 1911
Euphausia brevis Hansen, 1905
Euphausia crystallorophias Holt and W. M. Tattersall, 1906 – common name Ice krill; Southern Ocean
Georg Ossian Sars (April 20, 1837 - April 9, 1927) was a Norwegian marine biologist. ... The Sea of Japan or Japan Sea in most countries and the United Nations and in academic fields, known as the East Sea in South Korea, the East Sea of Korea in North Korea, and the Japan Sea in China, is a marginal sea of the western Pacific Ocean, bound... Euphausia pacifica is small zooplankton organism in the Pacific. ... Binomial name Euphausia superba Dana, 1850 Krill is the Norwegian word for whale food. ... Binomial name Euphausia superba Dana, 1850 The Antarctic krill (Euphausia superba 1) is a species of krill found in the Antarctic waters of the Southern Ocean. ...
References
Taxonomy of Euphausia (http://www.itis.usda.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=95501) from ITIS.
They are considered a keystone species near the bottom of the food chain because they feed on phytoplankton and to a lesser extent zooplankton, converting these into a form suitable for many larger animals for whom krill makes up the largest part of their diet.
A nauplius of Euphausia pacifica hatching, emerging backwards from the egg.
Sala, A.; Azzali, M.; Russo, A.: Krill of the Ross Sea: distribution, abundance and demography of Euphausia superba and Euphausia crystallorophias during the Italian Antarctic Expedition (January-February 2000), Scientia Marina 66(2), pp.
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