Matching Pairs Group of invertebratesOnline version Classify these animals into their correct group. by Manuel Ventura 1 Cnidaria 2 Arachnid (artropods) 3 Echinoderm 4 Annelid 5 Insects (artropods) 6 Gastropod (mollusc) 7 Bivalve (mollusc) 8 Cephalopod (mollusc) 9 Myriapod (artropods) 10 Crustacean (artropods) 11 Porifera