Reference
| Title | Descriptions and illustrations of some new and poorly known turrids (Turridae) of the tropical northwestern Atlantic. Part 2. Genus Crassispira Swainson, 1840 subgenera Monilispira Bartsch and Rehder, 1939 and Dallspira Bartsch, 1950 |
| Type | Article |
| Authors(s) | Fallon, J.P. Jr. |
| Year | 2011 |
| Periodical | The Nautilus |
| Volume (issue) | 125 |
| Pages | 15-28 |