| 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 |
| 370056
| Prisodon complanata (Hupé, 1857) | Brasil | F+, OUTSTANDING AMAZONIAN SPECIES! FABULOUS SHAPE! SUPER HEAVY FORM FROM TAPAJOS RIVER! MATCHES WITH HUPE TYPE! | 49mm | $20.00 |
| 370058
| Prisodon complanata (Hupé, 1857) | Brasil | F+, OUTSTANDING AMAZONIAN SPECIES! FABULOUS SHAPE! SUPER HEAVY FORM FROM TAPAJOS RIVER! MATCHES WITH HUPE TYPE! | 47mm | $18.00 |
| 370059
| Prisodon complanata (Hupé, 1857) | Brasil | F+, OUTSTANDING AMAZONIAN SPECIES! FABULOUS SHAPE! SUPER HEAVY FORM FROM TAPAJOS RIVER! MATCHES WITH HUPE TYPE! | 45mm | $18.00 |
| 370106
| Prisodon corrugatus amazonicus (Frierson, 1914) | Brasil | F+, GREAT LARGE SPECIMEN FROM RIVER TAPAJOS!! GORGEOUS SHAPE! AMAZONIAN SHELL! VERY SPECIAL - ONE OUR FAVORITES FRESH WATER BIVALVES!! AND I THINK THIS IS A FULL SPECIES! | 80mm | $25.00 |
| 361137
| Prisodon corrugatus amazonicus (Frierson, 1914) | 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 |
| 362383
| Prisodon obliquus (Schumacher, 1817) | Brasil | F++, OUTSTANDING AMAZONIAN SPECIES! FABULOUS SHAPE AND QUALITY! RARE! | 62mm | $15.00 |
