The Collaborative International Dictionary of English v.0.48:
Palamedeae \Pal`a*me"de*[ae]\, n. pl. [NL.] (Zool.)
An order, or suborder, including the kamichi, and allied
South American birds; -- called also screamers. In many
anatomical characters they are allied to the Anseres, but
they externally resemble the wading birds.
[1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Anhimidae \Anhimidae\ n.
a family of aquatic birds of South America. They are called
screamers due to their harsh trumpeting call.
Syn: family Anhimidae.
[WordNet 1.5]