| Citation | Williams, S.T. and D.G. Reid, 2004 Speciation and diversity on tropical rocky shores: a global phylogeny of snails of the genus Echinolittorina. Evolution 58(10): 2227-2251. |
| Ref. | 94157 Williams, S.T. and D.G. Reid, 2004 |
| Page | 2249 |
| Named Used as Valid | Echinolittorina penicillata |
| Locality | |
| Distribution | Mexico. |