Buy | ID | Shell | Location | Description | Size | Price |
| 347541
| Castalia ambigua Lamarck, 1819 | Brasil | F+, VERY RARE! HEAVY SHELL! INFLATED! RIBBED! NORMAL ERODED UMBUS! | 29.8mm | $20.00 |
| 347542
| Castalia ambigua Lamarck, 1819 | Brasil | F+, VERY RARE! HEAVY SHELL! INFLATED! RIBBED! NORMAL ERODED UMBUS! | 29.3mm | $20.00 |
| 347544
| Castalia ambigua Lamarck, 1819 | Brasil | F+, VERY RARE! HEAVY SHELL! INFLATED! RIBBED! NORMAL ERODED UMBUS! | 33.3mm | $20.00 |
| 361171
| Diplodon expansus (Kuster, 1853) | Brasil | F+, ELONGATED AND RARE SPECIES! | 51.4mm | $10.00 |
| 361172
| Diplodon expansus (Kuster, 1853) | Brasil | F+, ELONGATED AND RARE SPECIES! | 58.3mm | $10.00 |
| 361173
| Diplodon expansus (Kuster, 1853) | Brasil | F+, ELONGATED AND RARE SPECIES! | 53.8mm | $10.00 |
| 361174
| Diplodon expansus (Kuster, 1853) | Brasil | F+, ELONGATED AND RARE SPECIES! | 56.9mm | $10.00 |
| 361175
| Diplodon expansus (Kuster, 1853) | Brasil | F+, ELONGATED AND RARE SPECIES! | 57.8mm | $10.00 |
| 361148
| Prisodon complanata (Hupé, 1857) | Brasil | F+, OUTSTANDING AMAZONIAN SPECIES! FABULOUS SHAPE! SUPER HEAVY FORM FROM TAPAJOS RIVER! MATCHES WITH HUPE TYPE! | 56.6mm | $35.00 |
| 361137
| Prisodon corrugatus (Lamarck, 1819) | Brasil | F+, GREAT SPECIMEN FROM RIVER TAPAJOS!! GORGEOUS SHAPE! AMAZONIAN SPECIES! VERY SPECIAL - ONE OUR FAVORITES FRESH WATER BIVALVES!! AND I THINK THIS IS P.AMAZONICA FRIERSON, 1914 | 69.7mm | $25.00 |
| 362215
| Prisodon corrugatus (Lamarck, 1819) | Brasil | F+, GREAT LARGE SPECIMEN FROM RIVER TAPAJOS!! GORGEOUS SHAPE! AMAZONIAN SPECIES! VERY SPECIAL - ONE OUR FAVORITES FRESH WATER BIVALVES!! AND I THINK THIS IS P.AMAZONICA FRIERSON, 1914 | 81.6mm | $30.00 |
| 362383
| Prisodon obliquus (Schumacher, 1817) | Brasil | F++, OUTSTANDING AMAZONIAN SPECIES! FABULOUS SHAPE AND QUALITY! RARE! | 62mm | $15.00 |
| 361017
| Rhipidodonta charruana aethiopiformis (Ihering in litt.) | Brasil | F+, DARK SPECIMEN! RARE SOUTHERN FORM! GREAT SPECIMEN FOUND IN 2004! | 64.5mm | $25.00 |