Cyclostomata
環口目
Cy·clo·sto·ma·ta /ˌsaɪkloˈstomətə, ˌsɪklo, ˈstɑmətə/ 名詞 複數
Cy·clo·stom·a·ta Cy·clos·to·ma, n. pl. Zool. A division of Bryozoa, in which the cells have circular apertures.
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Cyclostomata
n : primitive jawless aquatic vertebrate: lampreys; hagfishes
[syn: order Cyclostomata]