Kiisortoqia soperi is an extinct species of arthropod from the Early Cambrian Sirius Passet Lagerstätte in Greenland. While it had a superficially trilobite-like...

Cheloniellida † Bushizheia † Erratus † Fengzhengia † Fuxianhuiida † Isoxyida † Kiisortoqia † Kylinxia † Megacheira † (possibly paraphyletic) Chelicerata Habeliida...

appendages similar to those of radiodonts. It is morphologically similar to Kiisortoqia to which it is probably closely related. The body of B. yangi consisted...

Subphyla and classes †Erratus †Cucumericrus? †Kylinxia †Fengzhengia †Kiisortoqia †Bushizheia †Megacheira †Isoxyida †Artiopoda †Fuxianhuiida Chelicerata...

lived alongside other nektonic Sirius Passet fauna such as Kerygmachela, Kiisortoqia, Pauloterminus, Isoxys and so on. Some specimens with gut contents suggest...

not found in other analyses. The enigmatic artiopodan-like arthropod Kiisortoqia, which bears large "frontal appendages" has been suggested to be closely...

Genus Year of Discovery Location of Fossils Kiisortoqia 2010 Sirius Passet Carnarvonia 1912 Burgess Shale Vladicaris 1995 Burgessia 1912 Burgess Shale...

Lamellipedia Isoxys I. volucris, I. sp A bivalved, freely swimming arthropod Kiisortoqia K. soperi A basal arthropod with large frontal appendages Kerygmachela...