Kingdom [Animalia] Linnaeus, 1758 - animals
Subkingdom Metazoa Haeckel, 1874
see Kingdom Animalia Linnaeus, 1758
Division Eumetazoa Butschli, 1910
see Subkingdom Eumetazoa Butschli, 1910
Subdivision Bilateralia
Superphylum Articulata Cuvier
see Supraphylum Articulata Cuvier
Phylum Arthropoda Siebold, 1848 - arthropods
Subphylum Chelicerata Heymons, 1901
Class Merostomata Dana, 1852 - horseshoe crabs
see Class Xiphosura Latreille, 1802
Order Xiphosura Latreille, 1802
see Class Xiphosura Latreille, 1802
Family Limulidae Leach, 1819
Genus Carcinoscorpius Pocock, 1902
Genus Limulus Müller, 1785