Redula is

Match the following : (1) Operculum (a) Ctenophora (ii) Parapodia (b) Mollusca (iii) Scales (c ) Porifera (iv) Comb plates (d) Reptilla (v) Redula ( e) Annelida (vi) Hairs (f) Cyclostomata and Chondrichthyes (vii) Choanocytes (g) Mammalia (viii) Gill slits (h) Osteichthyes