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Taxonomy > Littorinidae > Echinolittorina < Previous species - Next species > (within the family) Echinolittorina aspera (Philippi, 1846) Keen (1971) Sea shells of tropical West America. Marine Mollusks from Baja California to Peru. - p. 365 Brusca (1980) Common intertidal marine invertebrates of the Gulf of California. 2nd edition. - p. 158 Skoglund (2002) Panamic province molluscan literature: additions and changes from 1971 through 2000. III Gastropoda. - p. 26 Ortíz-Arellano & Flores-Campaña (2008) Catalogo descriptivo e ilustrado de los moluscos de la zona Intermareal de las islas de la bahía de Navachiste, Sinaloa, México. - p. 98 Gurgo Salice & Cáceres (2021) Baja Californian sea shells. - p. 44 Statistics Frequency common - 34 localities (17.26 %) Sediment 67 (0 fine >> 100 coarse sediment) Size and comments Internet resources give a maximum length of 20mm; beach finds remain below 13mm. Images Length 9.3mm. Taxonomy > Littorinidae > Echinolittorina < Previous species - Next species > (within the family)