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