Family uncertain Genus Kaykay♀ GOUIRIC-CAVALLI & ARRATIA 2022 カイカイ属 (絶滅)
◆カイカイ・ラフケン (絶滅) †Kaykay lafken Gouiric-Cavalli & Arratia 2022 *2022『A New Pachycormiformes [Actinopterygii] from the Upper Jurassic of Gondwana Sheds Light on the Evolutionary History of the Group:Soledad Gouiric-Cavalli & Gloria Arratia』。