Parastrophia cygnicollis (Hedley, 1904) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Littorinimorpha family Caecidae genus Parastrophia species Parastrophia cygnicollis Name Synonyms Pedumicra cygnicollis (Hedley, 1904) Strebloceras cygnicollis Hedley, 1904 Homonyms Parastrophia cygnicollis (Hedley, 1904)