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Nelson, J.S., 1994

Lampriformes velifers, tube-eyes and ribbonfishes

Actinopterygii

Myctophiformes 70 M years

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

late Cretaceous

Seewasser

Süsswasser

Brackwasser

No true spines in fins; premaxilla excludes maxilla from gape; unique type of protrusible upper jaw (maxilla, instead of being ligamentously attached to the ethmoid and palatine, slides in and out with the highly protractile premaxilla in at least the first four suborders); pelvic fins with 0-17 rays; swim bladder, when present, physoclistous; orbitosphenoid present in some.

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

Greek, lampris, light, clear + Latin, forma = shape (Ref. 45335).

( n = 7 ) -
Lampridae Lophotidae Radiicephalidae Regalecidae Stylephoridae Trachipteridae Veliferidae

Ref.
[ e.g. 9948]                       

Glossary
                    [ e.g. cephalopods]