| Family/species | Relative Abundance by family | Density |
| Ischnochitonidae Dall, 1889 | ||
| *Ischnochiton (Ischnochiton) muscarius (Reeve, 1847) | 21.0% | 1.42 |
| *Stenoplax (Stenoplax) rugulata (Sowerby, 1832) | 0.14 | |
| *Stenoplax (Stenoplax) limaciformis (Sowerby,1832) | 0.26 | |
| *Stenoplax (Stenoplax) mariposa (Barsch MS, Dall, 1919) | 0.04 | |
| *Lepidozona (Lepidozona) serrata (Carpenter, 1864) | 0.02 | |
| Callistoplacidae Pilsbry, 1893 | ||
| *Callistoplax retusa (Sowerby in Broderip & Sowerby, 1832) | 0.45% | 0.04 |
| Chaetopleuridae Plate, 1899 | ||
| *Chaetopleura (Chaetopleura) lurida (Sowerby in Broderip & Sowerby, 1832) | 10.88% | 0.92 |
| *Chaetopleura (Chaetopleura) hanselmani (Ferreira, 1982) | 0.04 | |
| Chitonidae Rafinesque, 1815 | ||
| Chiton (Chiton) articulatus Sowerby, 1832 | 45.80% | 3.02 |
| Chiton (Chiton) albolineatus Broderip & Sowerby, 1829 | 1 | |
| *Tonicia (Tonicia) forbesii forbesii Carpenter, 1857 | 0.02 | |
| Tonicellidae Simroth, 1894 | ||
| *Lepidochitona (Lepidochitona) salvadorensis (García-Ríos, 2006) | 21.31% | 0.06 |
| *Lepidochitona (Lepidochitona) beanii Carpenter, 1857 | 0.1 | |
| *Lepidochitona (Lepidochitona) hartwegii (Carpenter, 1855) | 0.04 | |
| *Lepidochitona sp. 1 | 0.16 | |
| *Lepidochitona sp. 2 | 1.52 | |
| Acanthochitonidae Pilsbry, 1893 | ||
| *Acanthochitona arragonites (Carpenter, 1847) | 0.22% | 0.02 |