Counts of the number of duplicated conserved noncoding elements (CNE) shared between the zebrafish and medaka genomes that can be traced back to the ancestral Actinopterygian linkage groups. Red = number of duplicates arising solely from an ancestral cluster. Black = number of duplicated CNE with a likely origin from a single ancestral linkage group where the shared paralogy with another cluster could not be excluded. Hatched = number of multiple copy CNE that show paralogy to 2 or more clusters. It should be noted that counts within the hatched stacked bars exceed the actual number of CNE within each category, as a single CNE may share ancestry with 2 or more ancestral linkage groups. Counts within red and black stacked bars correspond to the actual number of duplicated CNE.