Família: MACTRIDAE
| ESPÉCIE | COLEÇÃO | TAMANHO | RECORDE* |
| Mactrellona alata | José Carlos Tarasconi | 111,8mm | World |
| Anatina anatina | José Carlos Tarasconi | 50,9mm | World |
| Mulinia cleriana | José Carlos Tarasconi | 43,7mm | World |
| Mactra fragilis | José Carlos Tarasconi | 103,8mm | World |
| Mactra iheringi | José Carlos Tarasconi | 67,8mm | World |
| Mactra isabelleana | José Carlos Tarasconi | 64,6mm | World |
| Mactra janeiroensis | José Carlos Tarasconi | 36,3mm | World |
| Mactra marplatensis | Oscar Simões de Abreu | 40,4mm | World |
| Mactra patagonica | José Carlos Tarasconi | 35,7mm | World |
| Mactra petiti | José Carlos Tarasconi | 33,3mm | World |
| Raeta plicatella | André Cordeiro De Luca | 52,4mm | Brasil |