From: Inventory of the cichlid olfactory receptor gene repertoires: identification of olfactory genes with more than one coding exon
Families
Sub-families
Genes numbers
Genes with >1 coding exon
Number of exons
Fam A
6
100
1
2
Fam K
4
22
Fam T
Fam U
5
3
Fam V
2 genes/2 exons
2 genes/4 exons
Fam W
24
Fam AB