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A fully feathered enantiornithine foot and wing fragment preserved in mid-Cretaceous Burmese amber

Published on Dec 1, 2019in Scientific Reports4.01
· DOI :10.1038/s41598-018-37427-4
Lida Xing19
Estimated H-index: 19
(China University of Geosciences),
Ryan C. McKellar13
Estimated H-index: 13
(KU: University of Kansas)
+ 3 AuthorsLuis M. Chiappe47
Estimated H-index: 47
(Natural History Museum of Los Angeles County)
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Abstract
Over the last three years, Burmese amber (~99 Ma, from Myanmar) has provided a series of immature enantiornithine skeletal remains preserved in varying developmental stages and degrees of completeness. These specimens have improved our knowledge based on compression fossils in Cretaceous sedimentary rocks, adding details of three-dimensional structure and soft tissues that are rarely preserved elsewhere. Here we describe a remarkably well-preserved foot, accompanied by part of the wing plumage. These body parts were likely dismembered, entering the resin due to predatory or scavenging behaviour by a larger animal. The new specimen preserves contour feathers on the pedal phalanges together with enigmatic scutellae scale filament (SSF) feathers on the foot, providing direct analogies to the plumage patterns observed in modern birds, and those cultivated through developmental manipulation studies. Ultimately, this connection may allow researchers to observe how filamentous dinosaur ‘protofeathers’ developed—testing theories using evolutionary holdovers in modern birds.
  • References (45)
  • Citations (3)
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4 CitationsSource
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16 CitationsSource
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9 CitationsSource
#1Lida Xing (China University of Geosciences)H-Index: 19
#2Jingmai K. O’Connor (CAS: Chinese Academy of Sciences)H-Index: 26
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13 CitationsSource
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#2Ryan C. McKellar (University of Regina)H-Index: 13
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#2Meng QingjinH-Index: 6
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#2Ryan C. McKellar (University of Regina)H-Index: 13
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33 CitationsSource
Cited By3
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#1Lida Xing (China University of Geosciences)H-Index: 19
#2Ryan C. McKellar (KU: University of Kansas)H-Index: 13
Last.Huijuan Mai (Yunnan University)
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#1Lida Xing (China University of Geosciences)H-Index: 19
#2Jingmai K. O’Connor (CAS: Chinese Academy of Sciences)H-Index: 26
Last.Fuming Lei (CAS: Chinese Academy of Sciences)
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#1Adun Samathi (University of Bonn)H-Index: 2
Last.Paul Martin Sander (University of Bonn)H-Index: 1
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