Orthology established by Zhao et al., 2015 (125 genes)

Orthology for rxraa ( Chr: 21 )
Orthology for rxrab ( Chr: 5 )
Orthology for rxrba ( Chr: 19 )
Orthology for rxrbb ( Chr: 16 )
Orthology for rxrga ( Chr: 2 )
Orthology for rxrgb ( Chr: 20 )
Orthology for thraa ( Chr: 3 )
Orthology for thrab ( Chr: 12 )
Orthology for thrb ( Chr: 19 )