Order Summary for Synbranchiformes
Main Ref
:
Order
:
Synbranchiformes spiny eels
Class
:
Teleostei
Sister Order
:
Scorpaeniformes 15 M years
Ref.
:
First Fossil Record
:
late Tertiary
Occurs in
:
Marine
Fresh
Brackish
Remark
:
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.
Class etymology
:
Greek aktis = ray, thunderbolt, beam + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335.
Order etymology
:
Greek, syn = together, adhesion + Greek, brangchia = gills + Latin, forma = shape (Ref. 45335).
Families
:


Ref.
[ e.g. 9948 ]      
Glossary
      [ e.g. oophagy ]