Ordre Résumé for Percopsiformes

  Réf. Princ.
:
  Ordre
:
Percopsiformes trout-perches, pirate perches and cavef
  Classe
:
Actinopterygii
  Ordre frère
:
Lophiiformes 50 M years
  Réf..
:
  Premier signalement fossile
:
early Tertiary
  Présent dans
:
Marin
Eau douce
Saumâtre
  Remarque
:
Premaxilla nonprotractile; ectopterygoid and palatine with teeth; pelvic fins, if present, behind pectorals and with 3-8 soft rays; spines (normally weak) usually present in dorsal fin; many species with ctenoid scales; six branchiostegal rays; 16 branched caudal rays; orbitosphenoid, basiphenoid, and suborbital shelf absent; vertebrae 28-35.
  ClasseÉtymologie
:
Greek aktis = ray, thunderbolt, beam + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335.
  OrdreÉtymologie
:
Greek, perké = perch + Greek,opsis = look, appearance + Latin, forma = shape (Ref. 45335).
  Familles
:

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

Converted to PHP by Kit 06.10.09