Reference
Kerstin Warnke, Rainer Söller, Dietmar Blohm, Ulrich Saint-Paul (1999): Assessment of the phylogenetic relationship between Octopus vulgaris Cuvier, 1797 and O.mimus Gould 1852, using mitochondrial 16S rRNA – Berichte der Geologischen Bundesanstalt – 46: 117.