Ptychorhytida subsidialis (Crosse, 1870) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Stylommatophora family Rhytididae genus Ptychorhytida species Ptychorhytida subsidialis Name Synonyms Helix subsidialis Crosse, 1870 Ouagapia subsidialis (Crosse, 1870) Rhytida subsidialis (Crosse, 1870) Homonyms Ptychorhytida subsidialis (Crosse, 1870)