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Nelson, J.S., 1994

Synbranchiformes spiny eels

Actinopterygii

Scorpaeniformes 15 M years

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

late Tertiary

海

新鮮な

汽水性の

Body elongate; pelvic fins absent; gill openings confined to lower half of body; ectopterygoid enlarged; mesopterygoid reduced or absent; premaxillary nonprotrusible and without ascending process. All species except three occur in freshwater.

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

Greek, syn = together, adhesion + Greek, brangchia = gills + Latin, forma = shape (Ref. 45335).

( n = 3 ) -
Chaudhuriidae Mastacembelidae Synbranchidae

Ref.
[ e.g. 9948]                       

Glossary
                    [ e.g. cephalopods]