What is "gaviiformes"

Gaviiformes \Gaviiformes\ prop. n. An order of large aquatic birds, including loons and some extinct forms.

Syn: order Gaviiformes.

Gaviiformes is an order of aquatic birds containing the loons or divers and their closest extinct relatives. Modern gaviiformes are found in many parts of North America and northern Eurasia (Europe, Asia and debatably Africa), though prehistoric species were more widespread.