neornithine
protofeather
genus Archaeopteryx
genus Archeopteryx
genus Corythosaurus
genus Anatotitan
immature
starling
unfledged
paleornithology
palaeornithology
Ornithopoda
suborder Euronithopoda
pterylography
tail feather
suborder Ornithopoda
Euronithopoda
Archaeornithes
euronithopod
ornithomimosaurian
subclass Archaeornithes
suborder Ceratopsia
maiasaur
Ceratopsia
teleoptile
spadona
pterography
genus Protoavis
bird family
archeopteryx
paleopulmonic
Archaeopteryx lithographica
archaeopteryx
family Hadrosauridae
Hadrosauridae
dinosauric
uropygium
genus Ceratosaurus
prebasic
alternate plumage
genus Lagopus
Lagopus
precoces
maniraptoriform
fledgling
fledgeling
Ornithischia
order Ornithischia
beard
protoavis