| Type | PARATYPES |
| Catalogue # | OSUM 19807 |
| Type locality | Loudon, Tenn.[essee, Tennessee River, Loudon Co.] [USA] |
| Collector(s) | Charles C. Adams, W.L. Julien |
| Date collected | 30 September 1901 |
| # Specimens | 6 dry |
| Description | Memoirs of the National Academy of Science 12(2): 14 |
| Remarks | Adams' lot #126 |
| Current status | Io fluvialis (Say, 1825) |
| Type | PARATYPES |
| Catalogue # | OSUM 19808 |
| Type locality | Tennessee River at Loudon, Tennessee, [Loudon Co., USA] |
| Collector(s) | probably Charles C. Adams |
| Date collected | ca. 1901 |
| # Specimens | 13 dry |
| Description | Memoirs of the National Academy of Science 12(2): 14 |
| Remarks | Adams' lot #129 |
| Current status | Io fluvialis (Say, 1825) |
| Type | PARATYPES |
| Catalogue # | OSUM 19817 |
| Type locality | Chattanooga, Tenn. Just above the Cincinnati Southern Railway bridge in the Tennessee River, [USA] |
| Collector(s) | J. Jones |
| Date collected | 5 Oct. 1904 |
| # Specimens | 2 dry |
| Description | Memoirs of the National Academy of Science 12(2): 14 |
| Remarks | Adams' lot #202 |
| Current status | Io fluvialis (Say, 1825) |