Order Summary for Polymixiiformes

  Main Ref
:
  Order
:
Polymixiiformes beardfishes
  Class
:
Actinopterygii
  Sister Order
:
Beryciformes 70 M years
  Ref..
:
  First Fossil Record
:
  Occurs in
:
Marine
Fresh
Brackish
  Remark
:
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.
  Classetymology
:
Greek aktis = ray, thunderbolt, beam + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335.
  Orderetymology
:
Greek, poly = a lot of + Greek, myxo = mucus + Latin, forma = shape (Ref. 45335).
  Families
:
( n = 1 ) -
Polymixiidae