Phylum Arthropoda Siebold, 1848 - arthropods Subphylum †Artiopoda Hou & Bergström, 1997 Superclass †Vicissicaudata Ortega-Hernández, Legg & Braddy, 2013 Order †Aglaspidida Walcott, 1911 Family †Aglaspididae Miller, 1887 Genus †Glypharthrus Raasch, 1939 1 †Glypharthrus thomasi (Walter) 2.1 †Glypharthrus magnoculus Lerosey-Aubril et al. 2.2 †Glypharthrus trispinicaudatus Lerosey-Aubril, Zhu & Ortega-Hernández, 2017 3 †Glypharthrus vulpes Raasch