cephalochordate

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noun ceph·a·lo·chor·date \ˌse-fə-lō-ˈkȯr-ˌdāt, -dət\

Definition of cephalochordate

plural

cephalochordates

  1. :  an animal of the subphylum Cephalochordata :  lancelet Although cephalochordates had achieved the primary characters of chordates—notochord, dorsal hollow nerve cord, and pharyngeal gill slits—as well as a postanal tail and segmental muscles throughout the trunk and tail, they lack many other features that characterize vertebrates. — Robert L. Carroll, Patterns and Processes of Vertebrate Evolution, 1997

cephalochordate

adjective

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1904

First Known Use of cephalochordate

1904


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