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Dinosauria, Pennaceous feather, Protofeather, Elongate ribbon-like feather…
Dinosauria
Ornithischia
Genasauria
Neornitischia
Ceratopsia
Psittacosaurus
Triceratops
Hadrosaurs
Stegosaurus
Tianyulong
Saurischia
Theropoda
Sinosauropteryx
Maniraptora
Avialae
Epidexipteryx
Aves
Confusiusornis
Archaeopteryx
Caudipteryx
Sauropodomorpha
Pennaceous feather
.
Protofeather
.
Elongate ribbon-like feather
.
Filamentous integumentary structures
.
Tails with bristles-like integumentary structures
.
Scaly skin
.
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