| Citation | Keen, M., 1971 Sea Shells of Tropical West America. Marine Mollusks from Baja California to Peru. Second Edition. Stanford University Press, Stanford, xiv + 1064 p., 22 pls. |
| Ref. | 2154 Keen, M., 1971 |
| Page | |
| Named Used as Valid | Vasum caestus |
| Locality | |
| Distribution | Eastern Pacific. |