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aGentlemanScientist — Feathers vs Scales vs Pycnofibres vs Skin
#pycnofibres #corythosaurus #dilophosaurus #dinosaur #dinosaurs #feathers #paleontology #prehistoric #pterosaurs #spinosaurus #mosasaurus #spinosaurusaegyptiacus #skincovering
Published: 2015-10-03 06:18:46 +0000 UTC; Views: 28105; Favourites: 309; Downloads: 81
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Description
A chart composed of various prehistoric animals with direct evidence of their skin coverings, ranging from Yi qi to Corythosaurus.Important Notes:
-It is debated if Dilophosaurus had feathers due to a possible feather impressions in squatting track fossil in 1997.
-The skin impressions of Attenborosaurus were destroyed in WWII.
-The skin impressions of Estemmenosuchus were recorded by Chudinov in 1965. These skin impressions have not been photographed and have almost no internet presence.
-The tail fluke impression of Platecarpus exists but it does not preserve if it had skin or scales.
Original Image Credit:
Matt Martyniuk
John Conway
www.prehistoric-wildlife.com/
Traheripteryx
Dmitry Bogdanov
Ville Sinkkonen
Nobu Tamura
ArthurWeasley
Sources:
www.ncbi.nlm.nih.gov/pmc/artic…
www.nature.com/nature/journal/…
markwitton-com.blogspot.com/20…
rspb.royalsocietypublishing.or…
www.bioone.org/doi/abs/10.1666…
www.ncbi.nlm.nih.gov/pmc/artic…
www.nature.com/nature/journal/…
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Comments: 174
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If spinosaurus did have feathers, they were probably like a penguin's feathers. I personally don't think that it would have had feathers on the sail, as that might heat it up too much, although if the sail was for display it was probably be colourful, and feathers tend to be more colourful than skin or scales.
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Is there any evidence of Spinosaurus integuments?
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And I'd say the spinosaurus whiskers aren't the most accurate, and is nothing more than blind speculation.
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Eeeeh, I still like to draw it with whiskers. Makes it more interesting
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I think so too
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I'd say spino having feathers is hard to even do, it's accurate eitherway.
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I've read that some impressions suggest that ichthyosaurs did have scales.
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If anything, Spinosaurus would probably have a large bare patches of skin and scales much like Tyrannosaurus on it's belly, tail and below the thighs, a wattle on it's neck, a covering of simple feathers on it's arms, the thighs and it's back and whiskers.
But, this is just speculation.
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Why would spino need feathers? It lived in a very hot environment, grew to the size of a bus, and was mostly aquatic.
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Hmm... Maybe for display reasons for the males? Hell, maybe females have only tiny, vestigal feathers that look like elephant hairs
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It had a huge ass sail on its back, why would it need feathers for display?
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Jesus fuck my reaction to your statement: youtu.be/RLW0jKKRXMo?t=4m38s
Dinosaurs had sensitive faces, and it would be very unlikely if a dinosaur would have whisker sensors. we know from daspletosaurus (Neovenator is very recent) that this might be a trait most theropods had.
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not to mention spinosaurus already had sensors at about the front of the snout like what modern day crocodiles have, it wouldn't need to get that to sense stuff.
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That sounds like a nice proposal.
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There aren't any.
This is to show there is nothing known from Spinosaurus skin.
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so dilophosaurus has feathers?
i remember hearing we are still back and forth with that
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says here it had foot and bum feathers
but yeah i remember things like "IT HAS FEATHERS, nope wait it was just fossilized grass, false alarm everybody!"
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Dilophosaurus lived in the Early Jurassic of North America. Grass first evolved in the Late Cretaceous in India. So it's not true.
(Although they might be mud cracks, just sayin...)
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oh so it could still be feathers then
now the fun begins
(or crumpled plant matter)
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I'm always more intrigued when false alarms happen for some reason
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mainly find it funny were to false alarm is something simple like thinking grass is feathers or thinking a megalosaurus bone looked like a pair of well "male parts"
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Yeah, that's pretty hilarious.
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A good overview. Corythosaurus and other Hadrosaurs can probably filled in with a complete scale covered skin. There really is a large amount of Hadrosaur mummies out there. Some of them with almost complete skin preserved. Several of them also show patterns in the scales that may represent different colours such as spots on Edmontosaurus, stripes on the tail of Brachylophosaurus and both spotted and striped species in Saurolophus. There is also still a Lambeosaur mummy somewhere in the Atlantic Ocean that sank with the ship.
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Thank you so much for the information
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Poor Spiney, we have no proof on what he was covered in. Have any of it's relatives been discovered with feathers or scales? Or am I just really out of date or something where a new discovery has been found saying baryonix or suchomimus aren't actually related to spinosaurus. I have no idea where to find information on the latest dinosaur discoveries. Do I just go onto google and type in 'dinosaur' and go onto 'news' or is there a website or something?
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So far we have no direct evidences of skin coverings in any Spinosaurs, nor any other their closest relatives, Megalosaurs. It has been debated if Sciurumimus, a small theropod dinosaur with feathers, is a megalosaur or a basal form. At this current moment we have really nothing to go one as far as Spinosaur integument.
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Last I heard it was confirmed as a basal coelurosaur, correct me if I am mistaken. Also I am fairly certain that the Dilophosaur "feather" impression was latter found out to be wrinkles
Source: io9.gizmodo.com/did-dinosaur-d…
permalink.gmane.org/gmane.scie…
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Trey is there still a slim chance for you to feature a feathered rex drawing to your video? Or did you already edit it?
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No problem! I could feature one
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I'm working on the final touches! 8)
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Cool man, I'll make sure I check it out
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Its already in my gallery
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What was the point of including Spinosaurus on here?
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Also, I was only able to use very vague abstracts to make this poorly made chart, could you possibly give me some criticisms and corrections?
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On this particular one, I beleive the distribution is different on the Corythosaurus mummy. It actually covers most of the body, only the head, the forelimb and most of the hindlimb are not wrapped in tissue.
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Sure thing, I'll change that. What about the Mosasaur and plesiosaur? And probably the pterosaurs?
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