Orthology established by Mindnich et al., 2004 (10 genes)

Orthology for hsd17b1 ( Chr: 3 )
Orthology for hsd17b12a ( Chr: 25 )
Orthology for hsd17b12b ( Chr: 7 )
Orthology for rdh8a ( Chr: 3 )
Orthology for rdh8b ( Chr: 1 )