Which of the following is not correct matching of phylum and its three examples?

• A

  Annelida - Pheretima, Nereis, Hirudo 

• B

  Arthropoda - Limulus, Bombyx, Chaetopleura

• C

  Mollusca - Chiton, Dentalium, Loligo

• D

  Echinodermata - Echinus, Ophiura, Cucumaria.