[Phylum] [Arthropoda] Siebold, 1848 - arthropods Count: [g†g] 2c;14o;803f;367g; ‡1f; †6o;166f;962g Chelicerata Heymons, 1901 Count: [g†g] 1c;13o;792f;366g; ‡1f; †6o;164f;951g [7 Feb 2025] Euchelicerata Weygoldt & Paulus, 1979 Count: [g†g] 1c;13o;792f;366g; ‡1f; †6o;164f;948g [7 Feb 2025] Xiphosura Latreille, 1802 - horseshoe crabs see Class Xiphosura Latreille, 1802 Count: [*†g] 1c;1o;1f;2g; †7f;62g Prosomapoda Lamsdell, 2013 Count: [*†g] 1c;1o;1f;2g; †7f;62g Planaterga Lamsdell, 2013 Count: [†g] †1f;7g Genus †Cyamocephalus Currie, 1927 Count: -