Summary: | Although three species of the genus Macrourus are recognized in the Southern Ocean, DNA sequencing of the mitochondrial COI gene revealed four well-supported clades. These barcode data suggest the presence of an undescribed species, a conclusion supported by meristic and morphometric examination of specimens. Fil: Smith, P. J. National Institute of Water and Atmospheric Research; Nueva Zelanda Fil: Steinke, D. University of Guelph; Canadá Fil: McMillan, P. J. National Institute of Water and Atmospheric Research; Nueva Zelanda Fil: Stewart, A. L. Museum of New Zealand Te Papa Tongarewa; Nueva Zelanda Fil: McVeagh, S. M. Museum of New Zealand Te Papa Tongarewa; Nueva Zelanda Fil: Díaz de Astarloa, Juan Martín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina Fil: Welsford, D. Australian Antarctic Division; Australia Fil: Ward, R. D. CSIRO Marine and Atmospheric Research; Australia
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