#dinoflagellate  chiefly marine protozoa having two flagella; a chief constituent of plankton
  supertype:  flagellate_protozoan__flagellate__flagellated_protozoan__flagellatedprotozoan__mastigophoran__mastigophore  usually nonphotosynthetic free-living protozoan with whiplike appendages; some pathogens of humans and other animals
  member of:  order_Dinoflagellata
  subtype:  noctiluca__Noctiluca_miliaris  large bioluminescent marine protozoan
  subtype:  peridinian  flagellate with a thick test composed of plates

No statement uses or specializes dinoflagellate; click here to add one.