Pickford, G.E. & McConnaughey, B.H. (1949). The Octopus bimaculatus problem: a study in sibling species. Bulletin of the Bingham Oceanographic Collection. 12(4): 1-66.
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Pickford, G.E. & McConnaughey, B.H.
1949
The <em>Octopus bimaculatus</em> problem: a study in sibling species