| Referens | 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 |
| Sida | 2249 |
| Named Used as Valid | Echinolittorina modesta |
| Observationsplats | |
| Distribution | Mexico. |