| Package | Maintainer | Title |
|---|---|---|
| xenopuslaevis | Biocore Data Team | Affymetrix Xenopus laevis Genome Array Annotation Data (xenopuslaevis) |
| xenopuslaeviscdf | Biocore Data Team | xenopuslaeviscdf |
| xlahomology | Biocore Data Team | A data package containing annotation data for xlahomology |