| Trích dẫn | Tunnell, J.W., 2010 Encyclopedia of Texas seashells: identification, ecology, distribution, and history. Texas A&M University Press, 527 p. |
| Tài liệu tham khảo | 108635 Tunnell, J.W., 2010 |
| Trang | 398 |
| Named Used as Valid | Caecum clava |
| Địa phương | |
| Distribution | USA. |