Family uncertain Genus Aenigmaspis♀ THORSTEINSSON & ELLIOTT 2022 アエニグマスピス属 (絶滅)
◆アエニグマスピス・ファルカタ (絶滅) †Aenigmaspis falcata Thorsteinsson & Elliott 2022 *2022『Silurian and Devonian Heterostraci [Vertebrata] of the Canadian Arctic Archipelago:Raymond Thorsteinsson & David K.Elliott』。