Family HETEROSTRACIFORMES incertae sedis 異甲目の位置不明属
Family uncertain Genus Idanaspis♀ THORSTEINSSON & ELLIOTT 2022 イダナスピス属 (絶滅)
◆イダナスピス・ディミディアタ (絶滅) †Idanaspis dimidiata Thorsteinsson & Elliott 2022 *2022『Silurian and Devonian Heterostraci [Vertebrata] of the Canadian Arctic Archipelago:Raymond Thorsteinsson & David K.Elliott』。
◆イダナスピス・レムニスカタ (絶滅) †Idanaspis lemniscata (Dineley & Loeffler 1976) Thorsteinsson & Elliott 2022
syn.Traquairaspis lemniscata Dineley & Loeffler 1976 *1976『Ostracoderm Faunas of the Delorme and Associated Siluro-Devonian Formations North West Territories Canada:David Lawrence Dineley & Elizabeth Jill Loeffler』。
◆イダナスピス・レインソニ (絶滅) †Idanaspis reinsoni Thorsteinsson & Elliott 2022 *2022『Silurian and Devonian Heterostraci [Vertebrata] of the Canadian Arctic Archipelago:Raymond Thorsteinsson & David K.Elliott』。
Family uncertain Genus Nakaolinaspis♀ PAN & WANG 1978 ナカオリナスピス属 (絶滅)
※=Genus Nakaolingnaspis♀ POJETA JR. 1986。スペルミス。
※← [Family Nakaolinaspididae]。
=Amphiaspididae?
◆ナカオリナスピス・デウォニカ (絶滅) †Nakaolinaspis devonica Pan & Wang 1978 *1978『中国南方早泥盆世無顎類及魚化石:潘江/王士涛』。