Vertebrata Cuvier, 1812 - vertebrates Count: [f†f] 7c;100o;734f; ‡2o;8f; †2c;109o;819f;10g [22 Aug 2017] Class Agnatha Cope, 1889 [paraphyletic] Count: [f†f] 2o;2f; †5o;37f;1g [22 Aug 2017] Subclass †Pteraspidomorphi Goodrich, 1909 see Class Pteraspidomorphi Goodrich, 1909 Count: [†f] †2o;15f [27 Apr 2017] Order †Heterostraci Lankester, 1868 - heterostracans see Subclass Heterostraci Lankester, 1868 Count: [†f] †10f [27 Apr 2017] Family †Cyathaspididae Flower & Wayland-Smith, 1952 Count: [†*] †26g [10 Feb 2019] Genus †Anglaspis Jaekel, 1927 Count: -