獣じゅう弓きゅう類るい

noun

therapsids

Scientific term for an extinct group of synapsids that includes the ancestors of mammals. Used in paleontology and evolutionary biology.

• 獣じゅう弓きゅう類るいは哺ほ乳にゅう類るいの祖そ先せんを含ふくむグループです。