decacera

from The Collaborative International Dictionary of English v.0.48
Decacerata \De*cac`e*ra"ta\, n. pl. [NL., fr. Gr. de`ka ten +
   ke`ras a horn.] (Zool.)
   The division of Cephalopoda which includes the squids,
   cuttlefishes, and others having ten arms or tentacles; --
   called also {Decapoda}. [Written also {Decacera}.] See
   {Dibranchiata}. Decachord
    

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