choanate
cho·a·nate
(kō'an-āt),Having a funnel, that is, with a ring or collar.
Farlex Partner Medical Dictionary © Farlex 2012
choanate
any vertebrate possessing internal nostrils.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005