| NOUN | animal | Amphioxidae, family Amphioxidae, Branchiostomidae, family Branchiostomidae | lancelets |
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| Meaning | lancelets. | |
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| Synonyms | family Amphioxidae, Branchiostomidae, family Branchiostomidae | |
| Member of | Cephalochordata, subphylum Cephalochordata | lancelets |
| Members | genus Amphioxus | type genus of the Amphioxidae |
| Broader | chordate family | Any family in the phylum Chordata |