| Type | PARATYPES |
| Catalogue # | OSUM 18119 |
| Type locality | Spout Pond Arm, Ferryland District, southern shore, Newfoundland, [Canada] |
| Collector(s) | S.T. Brooks |
| Date collected | 14 Sept. 1937 |
| # Specimens | 3 dry |
| Description | Annals of the Carnegie Museum 27: 167 |
| Remarks | |
| Current status | Pyganodon cataracta fragilis (Lamarck, 1819) |
| Type | PARATYPES |
| Catalogue # | OSUM 15414 |
| Type locality | Spout Pond Arm, Ferryland District, southern shore, Newfoundland, [Canada] |
| Collector(s) | Dr. & Mrs. S.T. Brooks |
| Date collected | 17-21 Sept. 1937 |
| # Specimens | 2 dry |
| Description | Annals of the Carnegie Museum 27: 167 |
| Remarks | ex. J. Parodiz to OSUM, Feb. 1966; part of Carnegie Museum 61.131337 |
| Current status | Pyganodon cataracta fragilis (Lamarck, 1819) |