Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
protofeather .
Etymologies
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Examples
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Tianyulong confuciusi, as "protofeathers" - the precursors of modern feathers.
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The primitive, hair-like feathers known as protofeathers likely belonged to theropods - dinosaurs similar to tiny Tyrannosaurus rexes - that roamed the swampy forests of Alberta 70 million years ago, said Alexander P.
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The team identified fossilized melanosomes-pigment-bearing organelles-in the feathers and filament-like "protofeathers" of fossil birds and dinosaurs from northeastern China.
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Structures described as "protofeathers" in the dinosaur fossils Sinosauropteryx and Sinithosaurus are filamentous and sometimes have interlaced structures bearing no obvious resemblance to feathers.
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The team identified fossilized melanosomes-pigment-bearing organelles-in the feathers and filament-like "protofeathers" of fossil birds and dinosaurs from northeastern China.
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The filaments or 'protofeathers' are clearly visible on the fossil
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The filaments or 'protofeathers' are clearly visible on the fossil
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But Prof Lingham-Soliar, who attacks this interpretation of the Chinese fossil in the Proceedings of the Royal Society, Biological Sciences, tells The Daily Telegraph: 'Scientists must really now choose - belief in the nebulous idea of protofeathers or the reality of collagen, the dominant protein in vertebrates.
Archive 2008-01-01 2008
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'I am convinced from the nonsense spouted by many of the people who denounce collagen in favour of protofeathers that they have never actually seen collagen in its natural or decomposing state.'
Archive 2008-01-01 2008
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They took pigments from protofeathers and analyzed them heavily.
Science Uncovers What Dinosaurs REALLY Looked Like | Manolith 2010
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