- Conus arenatus var. granulosa Lamarck, 1822
- Conus arenatus var. mesokatharos Tryon, 1884
- Conus arenatus var. punctisminutissimis Lamarck, 1822
- Conus arenatus var. punctisminutissus Lamarck, 1822
- Conus arenatus var. undata Dautzenberg, 1937