Orthology established by Bertrand et al., 2007 (165 genes)

Orthology for rarab ( Chr: 3 )
Orthology for rarga ( Chr: 23 )
Orthology for rargb ( Chr: 11 )
Orthology for rnf14 ( Chr: 21 )
Orthology for rxraa ( Chr: 21 )
Orthology for rxrab ( Chr: 5 )