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Showing results for tags 'enantiornithes'.
Found 9 results
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From the album: Hell Creek / Lance Formations
Avisaurus cf. archibaldi Hell Creek Fm., Garfield Co., MT, USA More information Avisaurus is an extinct, toothed Enantiornithine bird that lived at the very end of the Cretaceous. It likely held a similar niche that hawks/eagles do today, preying on small vertebrates like lizards and mammals.- 1 comment
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From the album: Dinosaurs
A Cretaceous bird tooth (avian dinosaur). ~ 4 mm in height. -
I read news stories about the discovery of extinct birds in Myanmar being preserved in Burmese amber. Does any have an idea of how these birds could have survived in Burmese amber without their skin decomposing? Can you image a Miocene fossil bird from the Caribbean being preserved in Dominican amber?
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hey everyone - hope you're all well Thought this was worth sharing - a description of a well-preserved enantiornithean bird specimen from the Late Cretaceous Kaiparowits Formation of Utah. It represents a new genus and species, Mirarce eatoni. The specimen was originally collected in 1992, but it was only recently described (and published yesterday!). Atterholt et al. (2018). The most complete enantiornithine from North America and a phylogenetic analysis of the Avisauridae. PeerJ, DOI 10.7717/peerj.5910 Abstract:
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- enantiornithes
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These are a few of the pdf files (and a few Microsoft Word documents) that I've accumulated in my web browsing. MOST of these are hyperlinked to their source. If you want one that is not hyperlinked or if the link isn't working, e-mail me at joegallo1954@gmail.com and I'll be happy to send it to you. Please note that this list will be updated continuously as I find more available resources. All of these files are freely available on the Internet so there should be no copyright issues. Articles with author names in RED are new additions since May 3,
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- ornithuromorpha
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https://news.sky.com/story/prehistoric-baby-bird-could-help-shed-light-on-evolution-11277434
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Pterosaur or Enantiornithine coracoids?
D.N.FossilmanLithuania posted a topic in General Fossil Discussion
Dear Guys, I have found three coracoid bones in flintstone that are about 0,5 cm length and made the cavities of them by needle. There are two versions about these fossil ID in my opinion- enantiornithine bird or pterosaur (pterosaur is more possible because the lower wider part of bones is not very wide as in almost all birds and the pterosaur, e.g. ornithocheiridae coracoid shape is very similar!). If these are pterosaur coracoid bones they should belong to small species (maybe rhamphorhynchoids), if small bird bones- they should be very primitive, probably early -
Dear Guys, I recently collected three examples of interesting small bones that have the cavities in the same area, I found them in flint erratics of South Lithuania. One scientist (Jens Koppka) told be that one time the occasional bird bone in flint was found by his colleagues in Lithuania. I recenly found the link with very similar shape of bone known as Enantiophoenix in the middle picture of one publication that I share with you now : https://peerj.com/articles/1032/ Open this link and look for "Comparison of scapulocoracoid between the dromaeosaurid Balaur a
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You should read these papers. They are very interesting: Carvalho, I.; Novas, F.E.; Agnolín, F.L.; Isasi, M.P.; Freitas, F.I.; Andrade, J.A.. (2015). "A new genus and species of enantiornithine bird from the Early Cretaceous of Brazil". Brazilian Journal of Geology 45 (2): 161–171. DOI:10.1590/23174889201500020001. Carvalho, I.; Novas, F.E.; Agnolín, F.L.; Isasi, M.P.; Freitas, F.I.; Andrade, J.A.. (2015). "A Mesozoic bird from Gondwana preserving feathers". Nature Communications 6. DOI:10.1038/ncomms8141. The discovery of Cratoavis in Brazil is remarkable because nearly all Early to Middle
