adjective
- belonging or pertaining to the Cephalochordata.
noun
- any chordate animal of the subphylum Cephalochordata, having fishlike characters but lacking a spinal column, comprising the lancelets.
noun
- any chordate animal of the subphylum Cephalochordata, having a fishlike body and no vertebral column; a lancelet
adjective
- of, relating to, or belonging to the Cephalochordata
- A member of the subphylum Cephalochordata of the phylum Chordata, whose only living species are the lancelets. See more at lancelet. Compare hemichordate.