Euarthropoda †Lamellipedia see Superclass Lamellipedia Hou & Bergström, 1997 †Artiopoda Hou & Bergström, 1997 see Subphylum Artiopoda Hou & Bergström, 1997 †Trilobita Walch, 1771 - trilobites see Class Trilobita Walch, 1771 Genus †Olenoides Meek, 1877 1 †Olenoides serratus (Rominger, 1887)