Fig. 1.From: Re-evaluating the case for poecilogony in the gastropod Planaxis sulcatus (Cerithioidea, Planaxidae)(source: US National Oceanic and Atmospheric Administration)Distribution of Planaxis sulcatus sequenced specimens. Green, Clade I; yellow, Clade IIa; red, Clade IIb; orange, Clade IIc; purple, Clade III. Arrows indicate warm (red) and cold (blue) surface ocean currentsBack to article page