Aglaspidida List of the Paleozoic life of Nevada Squamacula Bailongia Tegopelte Beckwithia typa Helmetia Soomaspis Artiopoda Luohuilinella Molaria Kwanyinaspis Emucarididae Tariccoia Kuamaia Aglaspis Liwia Acanthomeridion Emeraldella Franklinella Australaglaspis Kangacaris Xandarella Saperion Falcatamacaris Sinoburius Kodymirus Liwiidae Pygmaclypeatus Cindarella Aglaspoides Nektaspida Arthroaspis Cyclopites Phytophilaspis Emucaris Sidneyia Misszhouia Buenaspis Retifacies Cheloniellon Naraoiidae Cheloniellida Naraoia