Tectininus nodulosus (Pfeiffer, 1839) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Littorinimorpha family Littorinidae genus Tectarius species Tectininus nodulosus Name Homonyms Tectininus nodulosus (Clench & Abbott, 1942) Tectininus nodulosus (Pfeiffer, 1839)