原始羽毛 meaning in Chinese

protoptile

Discovery of two kinds of protofeathered pterosaurs in the mesozoic daohugou biota in the ningcheng region and its stratigraphic and biologic significances
宁城中生代道虎沟生物群中两类具原始羽毛翼龙的发现及其地层学和生物学意义
Sinosauropteryx ( compsognathids ) , beipzaosaums ( therizinosaurids ) and shuvuuia ( alvarezsaurids ) have the filament - like protofeathers that lack the rachis and barbules
…具有最为简单的原始羽毛状构造，这种构造不具备羽干及羽小枝；而proto17vaeoptepe 、 ca 。 dhtepe 。