Order Summary for Esociformes

  Main Ref
:
  Order
:
Esociformes pikes and mudminnows
  Class
:
Actinopterygii
  Sister Order
:
Osmeriformes 110 M years
  Ref..
:
  First Fossil Record
:
  Occurs in
:
Marine
Fresh
Brackish
  Remark
:
Maxilla toothless but in gape of mouth; no adipose fin; dorsal and anal fins located posteriorly; no breeding tubercules; no pyloric caeca; no mesocoracoid.
  Classetymology
:
Greek aktis = ray, thunderbolt, beam + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335.
  Orderetymology
:
Latin, esox or isox = a species of freshwater fish, probably pike, perhaps from Latin edere (to eat) , esox for 'voravious' (Peter Adamicka, pers. Comm. 06/08).
  Families
:
( n = 2 ) -
Esocidae Umbridae