Difference between revisions of "Tetraodontiformes"

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Latest revision as of 15:08, 23 August 2010

Tetraodontiformes: No parietals, nasals, or infraorbitals, and usually no lower ribs; posttemporal, if present, simple and fused with pterotic of skull; hyomandibular and palatine firmly attached with premaxilla; scales usually modified as spines, shields, or plates; lateral line present or absent, sometimes multiple; swim bladder present except in molids; 16-30 vertebrae.

Families in this order: