Order Summary for Clupeiformes
Main Ref
:
Order
:
Clupeiformes herrings
Class
:
Teleostei
Sister Order
:
Elopiformes 140 M years
Ref.
:
First Fossil Record
:
early Cretaceous
Occurs in
:
Marine
Fresh
Brackish
Remark
:
Recessus lateralis present (part of the otophysic connection in which various sensory canals merge within a chamber in the otic region of the neurocranium, not known from any other group); parasphenoid teeth absent; no large foramen on the anterior ceratohyal; parietals separated by the supraoccipital; no leptocephalous larvae. Most are plankton feeders, with long and sometimes very numerous gill rakers that serve as straining devices.
Class etymology
:
Greek aktis = ray, thunderbolt, beam + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335.
Order etymology
:
Latin, clupea = sardine + Latin, forma = shape. 1880 (Ref. 45335).
Families
:


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