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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]
The 5th edition of Fishes of the World classifies the Cottoidei as a suborder of the order Scorpaeniformes. [2] Other workers have found that if the Scorpaeniformes, as delimited in Fishes of the World , is not included in the Perciformes it renders the Perciformes paraphyletic .
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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 found in the Chordata article.
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Download as PDF; Printable version; ... This is a list of fish families sorted alphabetically by scientific name. There are 525 families in the list. ... at 10:07 (UTC).
Download QR code; Print/export Download as PDF; Printable version; In other projects Wikimedia Commons; Wikiquote; ... Fish stubs (6 C, 32 P) Pages in category "Fish"
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.