4Hillis DM,Dixon MT(1991)Ribosomal DNA:molecular evolution and phylogenetic inference.Quarterly review of Biology,66,411-453.
5Chu,Li CP,Ho HY(2001)The first internal transcribed spacer(ITS -1)of ribosomal DNA as a molecular marker for phylogenetic analyses in Crustacea.Marine Biotechnology,3,355-361.
6Beauchamp KA,Powers DA(1996)Sequence variation of the first internal transcribed spacer(ITS-1)of ribosomal DNA in ahermatypic corals from California.Molecular Marine Biology and Biotechnology,5,357-362.
7Remigio EA,Blair D(1997)Relationships among problematic North American stagnicoline snails(Pulmonata:Lymnaeidae)reinvestigated using nuclear ribosomal DNA internal transcribed spacer sequences.Canadian Journal of Zoology,75,1540-1545.
8Chen CA,Chen CP,Fan TY,Yu JK,Hsieh HL(2002)Nucleotide sequences of ribosomal internal transcribed spacer and their utility in distinguishing closely related Perinereis(Annelida;Polychaeta;Nereididae).Marine Biotechnology,4,17-29.
9Lopez-Pinon MJ,Insua A,Mendez J(2002)Identification of four scallop species using PCR and restriction analysis of the ribosomal DNA internal transcribed spacer region.Marine Biotechnology,4,495-502.
