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Nucleotide and amino acid differences found in the mtDNA cox1 sequence of the Lymnaea neotropica populations studied from Venezuela. Position = numbers (to be read in vertical) refer to variable positions obtained in the alignment made with MEGA 4.0. Nt = nucleotides; Aa = amino acids; Identical = .; Indel = -. Haplotype codes only provisional due to incomplete sequences of the gene. *EMBL: AM494008; **EMBL: FN356741.
