Calman, 1905 Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anenomes) Placozoa (trichoplax) Subregnum Bilateria (bilateral symmetry) Acoelomorpha (basal) Orthonectida (flatworms, echinoderms, 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 Subclass Eumalacostraca Superorder Eucarida Order Amphionidacea Order Decapoda - crabs, shrimp Order Euphausiacea - krill †Superorder Pancarida †Order Thermosbaenacea Superorder Peracarida Order Amphipoda - amphipods Order Cumacea - cumaceans Order Isopoda - pillbugs, sowbugs Order Lophogastrida Order Mictacea Order Mysida †Order Spelaeogriphacea Order Tanaidacea Superorder Syncarida Order Anaspidacea Order Bathynellacea †Order Palaeocaridacea Order Stygocaridacea... Common name. ... Genera Euphausia Dana, 1852 Meganyctiphanes Holt and W. M. Tattersall, 1905 Nematobrachion Calman, 1905 Nematoscelis G. O. Sars, 1883 Nyctiphanes G. O. Sars, 1883 Pseudeuphausia Hansen, 1910 Stylocheiron G. O. Sars, 1883 Tessarabrachion Hansen, 1911 Thysanoessa Brandt, 1851 Thysanopoda Latreille, 1831 The family of the Euphausiidae is the largest family... William Thomas Calman (December 29, 1871 - September 29, 1952) was a Scottish zoologist, specialising in the Crustacea. ...
Nematobrachion is a genus of krill, small shrimp-like invertebrate animals living in the oceans. In biology, a species is a kind of organism. ... Hans Jacob Hansen (August 10, 1855 - June 26, 1936) was a Danish zoologist. ... Families Euphausiidae Euphausia Dana, 1852 Meganyctiphanes Holt and W. M. Tattersall, 1905 Nematobrachion Calman, 1905 Nematoscelis G. O. Sars, 1883 Nyctiphanes G. O. Sars, 1883 Pseudeuphausia Hansen, 1910 Stylocheiron G. O. Sars, 1883 Tessarabrachion Hansen, 1911 Thysanoessa Brandt, 1851 Thysanopoda Latreille, 1831 Bentheuphausiidae Bentheuphausia amblyops Krill are shrimp-like marine... Superfamilies and families Alpheoidea Alpheidae - snapping shrimps Barbouriidae Hippolytidae Ogyrididae Atyoidea Atyidae Bresilioidea Agostocarididae Alvinocarididae Bresiliidae Disciadidae Mirocarididae Campylonotoidea Bathypalaemonellidae Campylonotoidae Crangonoidea Crangonidae Glyphocrangonidea Galatheacaridoidea Galatheacarididae Nematocarcinoidea Eugonatonotidae Nematocarcinidae Rhynchocinetidae Xiphocarididae Oplophoroidea Oplophoridae Palaemonoidea Anchistioididae Desmocarididae Euryrhynchidae Gnathophyllidae Hymenoceridae Kakaducarididae Palaemonidae Typhlocarididae Pandaloidea Pandalidae Thalassocarididae Pasiphaeoidea Pasiphaeidae Procaridoidea Procarididae Processoidea... Invertebrate is a term coined by Jean-Baptiste Lamarck to describe any animal without a spinal column. ...
Bentheuphausia ambloyops, Thysanopoda cornuta, and T. egregia are widely ranging bathypelagic species, the adults of which inhabit depths greater than 1,500 meters.
Of the ten genera, six (Thysanopoda, Euphausia, Thysanoessa, Nematoscelis, Nematobrachion, and Stylocheiron)contain some species that inhabit a mesopelagic zone between depths of about 500 and 1,500 meters and other species that are characteristically epipelagic, living mainly above 500700 meters.
The epipelagic species are designated in accord with the analogous water masses inhabited.
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