| Family Name | Species Name | Tinib (muddy sand) | Esteves (sandy mud) | ||
| n | n (n − 1) | n | n (n − 1) | ||
| Glauconomidae | Glauconome virens | 20 | 380 | 0 | 0 |
| Isognomonidae | Isognomon ephippium | 13 | 156 | 0 | 0 |
| Mytilidae | Modiolus aratus | 0 | 0 | 17 | 272 |
| Ostreidae | Dendrostrea folium | 213 | 45,156 | 137 | 18,632 |
| Veneridae | Gafrarium tumidum | 118 | 13,806 | 14 | 182 |
|
| Pitar citrinus | 0 | 0 | 8 | 56 |
| ∑n(n − 1) |
| 59,498 | 19,142 | ||
| Total (N) |
| 364 | 176 | ||
| Species Diversity (Ds) |
| 0.55 | 0.38 | ||