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Fishes are a paraphyletic group and for this reason, the class Pisces seen in older reference works is no longer used in formal taxonomy.Traditional classification divides fish into three extant classes (Agnatha, Chondrichthyes, and Osteichthyes), and with extinct forms sometimes classified within those groups, sometimes as their own classes: [1]
Fishes of the World. Fishes of the World is a standard reference for the systematics of fishes. It was first written in 1976 by the American ichthyologist Joseph S. Nelson (1937–2011). Now in its fifth edition (2016), the work is a comprehensive overview of the diversity and classification of the 30,000-plus fish species known to science.
Catalog of Fishes is a comprehensive on-line database and reference work on the scientific names of fish species and genera. It is global in its scope and is hosted by the California Academy of Sciences. It has been compiled and is continuously updated by the curator emeritus of the CAS fish collection, William N. Eschmeyer.
Class Myxini - hagfish. Class Cephalaspidomorphi - lampreys. Superclass Gnathostomata Vertebrates with jaws. Class Chondrichthyes (cartilagineous fish - sharks and rays) Class Osteichthyes (bony fish), which has two subclasses: Actinopterygii (ray-finned fish) Sarcopterygii (lobe-finned fish) Full details of higher order fish taxonomy can be ...
A fish (pl.: fish or fishes) is an aquatic, anamniotic, gill-bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits.Fish can be grouped into the more basal jawless fish and the more common jawed fish, the latter including all living cartilaginous and bony fish, as well as the extinct placoderms and acanthodians.
The mullets or grey mullets are a family (Mugilidae) of ray-finned fish found worldwide in coastal temperate and tropical waters, and some species in fresh water. [1] Mullets have served as an important source of food in Mediterranean Europe since Roman times. The family includes about 78 species in 26 genera.
Angler catfish (genus Chaca) Anglerfish (order Lophiiformes) Antarctic cod. Antarctic icefish (suborder Notothenioidei of order Perciformes) Antenna codlet (Bregmaceros atlanticus) Arapaima (genus Arapaima) Archerfish (genus Toxotes and family Toxotidae) Arctic char. Armored gurnard (family Peristediidae)
Order Arthrodira. Order Antiarchi. Order Brindabellaspida. Order Petalichthyida. Order Phyllolepida. Order Ptyctodontida. Order Rhenanida. Order Pseudopetalichthyida (The placement of this order is debated.) Order Stensioellida (The placement of this monotypic order is debated.)