6. This subclass is divided into
2
superorders, Odontog
nathae, and
Neognathae.

10. (from ratis, "raft", refe carinates (keeled)
rring to the flatness of Can fly
the sternum)
Cannot fly

11. • Order Columbiformes. Doves
• Order Pelecaniformes.
Pelicans, cormorants, etc.
• Order Anseriformes. Ducks, geese, other
waterfowl.
• Order Falconiformes. Hawks, eagles, vultures.
• Order Galliformes. Grouse, quail, domestic
foul.
• Order Psittaciformes. Parrots, paroquetes.
• Order Passeriformes. Perching birds– up to 64
families, including song birds.
• And about 15 other living orders.

15. Carinatae were
defined as

16. Carinates
• The keel is a
strong
median ridge
running down the
length of the
sternum.
– This is an
important area for
the attachment of
flight muscles.