Family Holothuriidae - sea cucumbers

  Order
:
  Class
:
Holothuroidea
  No. of Genera in Ref.
:
  No. of Species in Ref.
:
  Environment
:
Fresh : No | Brackish : No | Marine : Yes
  Aquarium
:
  First Fossil Record
:
     
  Remark
:
Body dome-shaped in cross section, with trivium (or sole) usually flattened and dorsal bivium convex and covered with papillae. Gonads forming a single tuft appended to the left dorsal mesentery. Tentacular ampullae present, long, and slender. Cuvierian organs present or absent. Dominant spicules in form of tables, buttons (simple or modified), and rods (excluding C- and S-shaped rods) (Ref. 122).
  Etymology
:
  Division
:
Marine
  Reproductive guild
:
  Typical activity level
:
  Main Ref.
:
  Coordinator
:

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