bn:00017246n
Noun Concept
Categories: Extant Cambrian first appearances, Cephalochordata, Taxa named by Ernst Haeckel, Articles with 'species' microformats
EN
Cephalochordata  subphylum Cephalochordata
Definitions
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EN
A chordate subphylum defined by the presence of a notochord that persists throughout life Open English WordNet
IS A
PART OF
HAS KIND
WordNet 3.0 & Open English WordNet
Wikipedia Redirections