Odontolcae
plural noun
Odon·tol·cae
ˌōˌdän‧ˈtälˌsē
in some classifications
: a superorder of Aves including Hesperornis and related genera of extinct aquatic birds with teeth set in a groove
Word History
Etymology
New Latin, from odont- + -olcae (from Greek holkos, holkē furrow)