哺ほ乳にゅう形けい類るい

noun

Mammaliaformes

A taxonomic clade in paleontology that includes mammals and their closest extinct relatives. Used in scientific contexts.

• 哺ほ乳にゅう形けい類るいは、哺ほ乳にゅう類るいとその祖そ先せんを含ふくむ分ぶん類るい群ぐんです。

  Mammaliaformes is a taxonomic group that includes mammals and their ancestors.