Family Krohnittellidae

  Order
:
  Class
:
Sagittoidea
  No. of Genera in Ref.
:
2
  No. of Species in Ref.
:
3
  Environment
:
Fresh : No | Brackish : No | Marine : Yes
  Aquarium
:
  First Fossil Record
:
     
  Remark
:
All species are bathypelagic and most likely inhabit bottom water layer (Ref. 1659). Uppermost depth limit of distribution is 1,000 m deep. Morphological characters: (1) no transverse musculature is present in both the trunk and tail regions; (2) there is a single pair of lateral fins or gelatinous structures replacing the latter; (3) the setae are evenly curved, without showing a sharp bend, the denticles, if present, are not arranged into a bundle (like in Krohnittidae); (4) no digestive diverticula are present on the midgut (Ref. 1658).
  Etymology
:
  Division
:
  Reproductive guild
:
  Typical activity level
:
  Main Ref.
:
  Coordinator
:

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


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