cephalochordate

adjective

1. belonging or pertaining to the Cephalochordata.

noun

2. any chordate animal of the subphylum Cephalochordata, having fishlike characters but lacking a spinal column, comprising the lancelets.

noun

1. any chordate animal of the subphylum Cephalochordata, having a fishlike body and no vertebral column; a lancelet

adjective

2. of, relating to, or belonging to the Cephalochordata

1. A member of the subphylum Cephalochordata of the phylum Chordata, whose only living species are the lancelets. See more at lancelet. Compare hemichordate.