| Citation | Tunnell, J.W., 2010 Encyclopedia of Texas seashells: identification, ecology, distribution, and history. Texas A&M University Press, 527 p. |
| Ref. | 108635 Tunnell, J.W., 2010 |
| Page | |
| Named Used as Valid | Vexillum sykesi |
| Locality | |
| Distribution | Texas, USA. |