Genus Prionotaspis♀ THORSTEINSSON & ELLIOTT 2022 プリオノタスピス属 (絶滅)
◆プリオノタスピス・アッボッテンシス (絶滅) †Prionotaspis abbottensis Thorsteinsson & Elliott 2022 *2022『Silurian and Devonian Heterostraci [Vertebrata] of the Canadian Arctic Archipelago:Raymond Thorsteinsson & David K.Elliott』。
◆プリオノタスピス・ミランダ (絶滅) †Prionotaspis miranda Thorsteinsson & Elliott 2022 *2022『Silurian and Devonian Heterostraci [Vertebrata] of the Canadian Arctic Archipelago:Raymond Thorsteinsson & David K.Elliott』。