In Materials and Methods (2.3. Gene Sequences Determination), in the paper titled “Heat Shock Protein 70 and 90 Genes in the Harmful Dinoflagellate Cochlodinium polykrikoides: Genomic Structures and Transcriptional Responses to Environmental Stresses” [1], we have cited wrong GenBank accession number SRR1917383; the correct GenBank accession number is SRR1548539.