Clausilia gracilior Mousson, 1863 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Stylommatophora family Clausiliidae genus Serrulina species Serrulina serrulata Name Homonyms Clausilia gracilior Boettger, 1883 Clausilia gracilior Mousson, 1863 Clausilia gracilior A.Schmidt, 1868