Tetraodontiformes

Tetraodontiformes; Temporal range: Possible Cenomanian record
	Representatives of the 10 extant Tetraodontiformes families: a Triacanthodidae, Triacanthodes anomalus; b Triacanthidae, Triacanthus biaculeatus; c Balistidae, Abalistes filamentosus; d Monacanthidae, Thamnaconus hypargyreus; e Aracanidae, Kentrocapros aculeatus; f Ostraciidae, Ostracion immaculatus; g Triodontidae Triodon macropterus; h Tetraodontidae, Arothron mappa; i Diodontidae, Diodon liturosus; j Molidae, Masturus lanceolatus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Clade:	Percomorpha
Order:	Tetraodontiformes; L. S. Berg, 1940
Type species
	Tetraodon lineatus; Linnaeus, 1758
Families
	See text.

The Tetraodontiformes (/tɛtrə.ɒˈdɒntɪfɔːrmiːz/) are an order of highly derived ray-finned fish, also called the Plectognathi.^[2] Sometimes these are classified as a suborder of the order Perciformes. The Tetraodontiformes are represented by 10 extant families and at least 349 species overall; most are marine and dwell in and around tropical coral reefs, but a few species are found in freshwater streams and estuaries. They have no close relatives, and descend from a line of coral-dwelling species that emerged around 80 million years ago.

^ Matsuura, Keiichi; Tyler, J.C. (1998). Paxton, J.R.; Eschmeyer, W.N. (eds.). Encyclopedia of Fishes. San Diego, California, USA: Academic Press. p. 230. ISBN 978-0-12-547665-2.
^ Tyler, James C (1980). Cover of: Osteology, phylogeny, and higher classification of the fishes of the order Plectognathi (Tetraodontiformes) by James C. Tyler Osteology, phylogeny, and higher classification of the fishes of the order Plectognathi (Tetraodontiformes). NOAA.

[EoF-1] Matsuura, Keiichi; Tyler, J.C. (1998). Paxton, J.R.; Eschmeyer, W.N. (eds.). Encyclopedia of Fishes. San Diego, California, USA: Academic Press. p. 230. ISBN 978-0-12-547665-2.

[2] Tyler, James C (1980). Cover of: Osteology, phylogeny, and higher classification of the fishes of the order Plectognathi (Tetraodontiformes) by James C. Tyler Osteology, phylogeny, and higher classification of the fishes of the order Plectognathi (Tetraodontiformes). NOAA.

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