Ordre Résumé for Polymixiiformes

  Réf. Princ.
:
  Ordre
:
Polymixiiformes beardfishes
  Classe
:
Actinopterygii
  Ordre frère
:
Beryciformes 70 M years
  Réf..
:
  Premier signalement fossile
:
  Présent dans
:
Marin
Eau douce
Saumâtre
  Remarque
:
Moderately elongate and compressed. A pair of barbels on hyoid. Continuous dorsal fin; 4-6 spines, 26-38 soft rays. Anal fin 4 short spines, 13-17 soft rays. Subabdominal pelvic fin; 1 spinelike ray, 6 soft rays. Caudal fin 16 branched rays. Scales in lateral line about 33-38. Banchiostegal 4 rays. Gillrakers 11-21. Supramaxillae 2. Epurals 3. Subocular shelf, ortbitosphenoid, and basisphenoid present. Vertebrae usually 29 or 30. Maximum length is 38 cm. Usually found in depths between 180 and 640 m.
  ClasseÉtymologie
:
Greek aktis = ray, thunderbolt, beam + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335.
  OrdreÉtymologie
:
Greek, poly = a lot of + Greek, myxo = mucus + Latin, forma = shape (Ref. 45335).
  Familles
:
( n = 1 ) -
Polymixiidae

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

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