"Evidence that prehistoric flying reptiles probably had..." Topic
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| Tango01 | 26 Oct 2020 10:23 p.m. PST |
… feathers refuted. "Pterosaur expert Dr David Unwin from the University of Leicester's Centre for Palaeobiology Research, and Professor Dave Martill, of the University of Portsmouth have examined the evidence that these creatures had feathers and believe they were in fact bald. They have responded to a suggestion by a group of his colleagues led by Zixiao Yang that some pterosaur fossils show evidence of feather-like branching filaments, 'protofeathers', on the animal's skin. Dr Yang, from Nanjing University, and colleagues presented their argument in a 2018 paper in the journal Nature Ecology and Evolution. Now Unwin and Martill, have offered an alternative, non-feather explanation for the fossil evidence in the same journal…"
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Armand |
Shagnasty  | 27 Oct 2020 8:44 a.m. PST |
Glad to hear it! I hate the idea of my gray/green dinosaurs having feathers. |
| rvandusen | 27 Oct 2020 10:52 a.m. PST |
I remember first hearing about "hairs", fuzz, or filaments growing on pterosaurs way back in 1980, or so. It is interesting to consider that such evidence may be the product of decomposition, instead of a body covering. |
| Tango01 | 27 Oct 2020 12:20 p.m. PST |
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Old Glory  | 27 Oct 2020 2:00 p.m. PST |
Like so many other things they CLAIM -- they just simply do not really know !! Russ Dunaway |
| Dave Crowell | 27 Oct 2020 6:24 p.m. PST |
I am sure George Challenger could give a good eye witness account and settle the matter once and for all. |
| Silurian | 29 Oct 2020 11:28 a.m. PST |
Cool stuff Tango. Thanks. It's worth pointing out that in a field of science like this there is very little 'claiming'. Based upon physical evidence, available for anyone to look at, opinions and hypotheses are proposed. As more evidence presents itself conclusions become more solid, but are always open to refutation like this. This sort of scientific back and forth is fascinating for those that are interested in the subject. |
| Tango01 | 29 Oct 2020 12:35 p.m. PST |
A votre service mon ami! (smile)
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Armand
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makes an addition to his Flash Gordon collection.