Tetraodontiformes
The Tetraodontiformes (/tɛtrə.ɒˈdɒntɪfɔːrmiːz/) are an order of highly derived ray-finned fish, also called the Plectognathi. 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.
| 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 | |
| Families | |
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See text. | |
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