| Type | PARALECOTYPE |
| Catalogue # | OSUM 11426 |
| Type locality | Little Lakes [Weaver Lake & Young Lake], Herkimer Co., New York, [USA] |
| Collector(s) | James Lewis |
| Date collected | 12 July 1855 |
| # Specimens | 1 dry |
| Description | Proceedings of the Academy of Natural Sciences 1: 84 |
| Remarks | label reads "8 specimens" |
| Current status | Pyganodon lacustris (Lea, 1857) |