Ordre Résumé for Saccopharyngiformes

  Réf. Princ.
:
  Ordre
:
Saccopharyngiformes swallowers and gulpers
  Classe
:
Actinopterygii
  Ordre frère
:
Anguilliformes 85 M years
  Réf..
:
  Premier signalement fossile
:
middle Cretaceous
  Présent dans
:
Marin
Eau douce
Saumâtre
  Remarque
:
Highly aberrant fishes, lacking symplectic bone, opercular bones, branchiostegal rays, scales, pelvic fins, ribs, pyloric caeca, and swim bladder; caudal fin absent or rudimentary; gill openings ventral; dorsal and anal fins long; jaws and hyomandibular greatly elongate, attached to neurocranium by only one condyle; leptocephalous larvae deep-bodied with myomeres V-shaped and not W-shaped. Like anguilliforms, they may spawn once and die.
  ClasseÉtymologie
:
Greek aktis = ray, thunderbolt, beam + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335.
  OrdreÉtymologie
:
Latin, saccus = sack + Greek, pharyngx = pharynx + Greek, morphe = shape (Ref. 45335).
  Familles
:

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

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