noun
Caseasauria; suborder of early pelycosaurs
Paleontological taxonomic term for an extinct suborder of synapsids. Used in scientific contexts.
カセア亜目は古生代ペルム紀に生息していた盤竜類の一群である。
Caseasauria is a group of pelycosaurs that lived during the Permian period of the Paleozoic era.