Phylum Euarthropoda Lankester, 1904 see [unranked] Euarthropoda Order †Bradoriida Raymond, 1935 - bradoriids Family †Hipponicharionidae Sylvester-Bradley, 1961 Genus †Hipponicharion Matthew, 1885 1 †Hipponicharion geyeri 2 †Hipponicharion loculatum 3 †Hipponicharion skovstedi