Ordre Résumé for Polymixiiformes

  Réf. Princ.
:
  Ordre
:
Polymixiiformes beardfishes
  Classe
:
Teleostei
  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.
  Classe Étymologie
:
Greek aktis = ray, thunderbolt, beam + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335.
  Ordre Étymologie
:
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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