? polyphemus Linnaeus, 1758 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Arthropoda class Merostomata order Xiphosurida family Limulidae genus Limulus species Limulus polyphemus Name Homonyms ? polyphemus Laube, 1868 ? polyphemus Brögger, 1882 ? polyphemus Waagen, 1875 ? polyphemus Heer, 1864