The Collaborative International Dictionary of English v.0.48:

Ctenophore \Cten"o*phore\ (t?n"?-f?r), n. (Zool.)
   One of the Ctenophora.
   [1913 Webster] Ctenophoric

WordNet (r) 3.0 (2006):

ctenophore
    n 1: biradially symmetrical hermaphroditic solitary marine
         animals resembling jellyfishes having for locomotion eight
         rows of cilia arranged like teeth in a comb [syn:
         ctenophore, comb jelly]