| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Adenopoda | 999013892 | | | | public | mtsn | Subphylum |
| Aplacophora | 79056 | | | ITIS | valid | | Class |
| Bivalvia | 79118 | Linnaeus, 1758 | bivalves clams bivalves palourdes bivalve mexilhão ostra | ITIS SBMNH | valid | | Class |
| Caudofoveata | 999010685 | | | SCAMIT | not public | mtsn | Class |
| Cephalopoda | 82326 | Cuvier, 1797 | octopuses squids calmars encornets pieuvres poulpes náutilo polvo cefalopode lula | ITIS | valid | | Class |
| Conchifera | 999013979 | | | | public | mtsn | Subphylum |
| Gastropoda | 69459 | Cuvier, 1797 | gastropods slugs snails escargots gastéropodes limaces caracol caramujo lesma | ITIS | valid | | Class |
| Monoplacophora | 78802 | | | ITIS | valid | | Class |
| Polyplacophora | 78807 | Blainvillle, 1816 | chíton poliplacoforo quíton | ITIS | valid | | Class |
| Scaphopoda | 82115 | Bronn, 1862 | tusk shells scaphopodes dentálio scafópode | ITIS | valid | | Class |
| Scutopoda | 999013908 | | | | public | mtsn | Subphylum |
| Solenogastres | 999010696 | | | SCAMIT | not public | mtsn | Class |
