| Function | Description |
| cfahomology | Contains data for genes that are homologous to genes in Canis familiaris |
| cfahomologyDATA | Genes that are Homologous to Canis familiaris |
| cfahomologyHGID | A vector containing all the HomoloGeneIDs for Canis familiaris |
| cfahomologyLL2HGID | Mappings between public database ids and NCBI's Internal HomoloGeneIDs for Canis familiaris |
| cfahomologyORGCODE | A data frame for mappings between organism scientific names, NCBI code, and three-letter short names for various organisms |
| cfahomologyQC | Quality control information for cfahomology |