cyclobranchiate

from The Collaborative International Dictionary of English v.0.48
Cyclobranchiate \Cy`clo*bran"chi*ate\ (s?`kl?-br?n"k?-?t), a.
   [Cyclo- + branchiate.] (Zool)
   Having the gills around the margin of the body, as certain
   limpets.
   [1913 Webster]
    

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