Ordre Résumé for Atheriniformes

  Réf. Princ.
:
  Ordre
:
Atheriniformes silversides
  Classe
:
Actinopteri
  Ordre frère
:
Beloniformes 45 M years
  Réf.
:
  Premier signalement fossile
:
early Tertiary
  Présent dans
:
Marin
Eau douce
Saumâtre
  Remarque
:
Usually two dorsal fins, the first, if present, with flexible spines; anal fin usually preceded by a spine; lateral line absent or very weak; branchiostegal rays 4-7; narial openings paired; pelvic fins abdominal, subadominal, or thoracic in position (essentially absent in female phallostethids and highly modified in male phallostethids); parietals usually present.
  Classe Étymologie
:
Greek aktis = ray, thunderbolt, beam + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335.
  Ordre Étymologie
:
Greek, atherine = a kind of smelt + Latin, forma = shape (Ref. 45335).
  Familles
:

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

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