( ( A scallop ) ( ( is ( ( a ( common name ) ) ( ( applied ( to ( ( many species ) ( of ( marine ( bivalve mollusks ) ) ) ) ) ) ( in ( ( ( the ( family Pectinidae ) ) , ) ( the scallops ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN scallop)) (VP (VBZ is) (NP (NP (DT a) (JJ common) (NN name)) (VP (VBN applied) (PP (TO to) (NP (NP (JJ many) (NNS species)) (PP (IN of) (NP (JJ marine) (NN bivalve) (NNS mollusks))))) (PP (IN in) (NP (NP (DT the) (NN family) (NN Pectinidae)) (, ,) (NP (DT the) (NNS scallops))))))) (. .)))
A scallop is a common name applied to many species of marine bivalve mollusks in the family Pectinidae, the scallops.
(ROOT (S (NP (DT A) (NN scallop)) (VP (VBZ is) (NP (DT a) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NN mollusk))) (. .)))