頭とう索さく類るいMeanings1nouncephalochordatesTaxonomic term for the subphylum Cephalochordata, including lancelets. Used in zoology and biology contexts.頭とう索さく類るいはナメクジウオを含ふくむ脊せき索さく動どう物ぶつの一いち群ぐんである。Cephalochordates are a group of chordates that includes lancelets.
