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Nelson, J.S., 1994

Tetraodontiformes puffers and filefishes

Actinopterygii

Pleuronectiformes 15 M years

Carroll, R., 1988  |  Helfman, G., B. Collette and D. Facey, 1997

late Tertiary

Marine

Fresh

Brackish

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.

Greek aktis = ray, thunderbolt, beam + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335.

Greek, tetra = four + Greek, odous = teeth + Latin, forma = shape (Ref. 45335).

( n = 9 ) -
Aracanidae Balistidae Diodontidae Molidae Monacanthidae Ostraciidae Tetraodontidae Triacanthidae Triacanthodidae Triodontidae

Ref.
[ e.g. 9948]                       

Glossary
                    [ e.g. cephalopods]