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About Digital Art / Professional Core Member Scott HartmanMale/United States Recent Activity
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ScottHartman
Scott Hartman
Artist | Professional | Digital Art
United States
Current Residence: Wisconsin
Favourite genre of music: Anything but country...
Operating System: Windows 8
MP3 player of choice: Anything that can connect to Google Music
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New-look Dilophosaurus by ScottHartman
New-look Dilophosaurus
Here's Dilophosaurus. Maybe I'll find time for a blog on this one, but a lot of things we think we "know" about Dilophosaurus aren't true, like the overly short ilium and bizarre upper scapula from Welles 1985 osteology (which were propagated to more recent skeletal reconstructions). We also don't know the shape of the crests for certain - I've followed Jaime Headden's interpretation of the back of the crest as broken (rather than a splint that stood alone), but we really don't know for sure either way.
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Kentrosaurus by ScottHartman
Kentrosaurus
Despite there being a lot of Kentrosaurus material, and it being well-described, this still proved to be a challenge because it's not all from specimens of the same size. I'm still not 100% convinced that the forelimbs don't need to be scaled up relative to the hindlimbs, but I've left them at the same size as the Berlin composite mount. The other elements seem to check out - and I'll say that I can't replicate the extremely tall body that is extremely short front to back like in some previous reconstructions.

Edit: After some discussion with Heinrich Mallison I've updated the tail spikes. As for the underlying data on the tail spikes, as well as the unresolved issue of where the large body spike goes...there will be more on that later. In the meantime, keep in mind that whether there is a shoulder spike, a hip spike, or some other configurations is not really settled for Kentrosaurus.
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Monolophosaurus by ScottHartman
Monolophosaurus
Because the internet never loses anything, the very old (2003) version that I had pulled from my website years ago still turns up in search engine results. So here's an updated one that reflects the basal-tetanuran pedigree that most researchers agree on these days.
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Tylosaurus - teach the controversey web resolution by ScottHartman 

First of all, let me thank all of you who wrote birthday well-wishes, all of the wonderful social interactions on DA are what keep me coming back. I also wanted to update you on a blog post I wrote about mosasaur tails: www.skeletaldrawing.com/home/m…

The tl;dr version is that you can still find people who would support any these extremes in tail fluke design, but I think the middle two (or somewhere in between) is the most likely. Hit up the article for more depth as to why.

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:iconthescipio:
TheScipio Featured By Owner 3 days ago  Hobbyist General Artist
Hi Scott ^^. I was wondering which one of these Skeletals of Dryptosaurus was more accurate: 1.bp.blogspot.com/-HUtsTj-jPH8… or blogs.c.yimg.jp/res/blog-0e-c1…
Also, where do you think Dryptosaurus, Appalachiosaurus and Bagaraatan fit into the Tyrannosauroid family tree? By this I mean wether or not Dryptosaurus is a Megaraptorid, if Appalachiosaurus is an Albertosaurine and where Bagaraatan fits in Maniraptora as a whole. I recently went into a conversation about wether or not Dryptosaurus is a Megaraptorid. Because I thought of Dryptosaurus, some other enigmatic Tyrannosauroids came to mind. And just another question, but do you think Yutryannus could possibly be a Carcharodontosaurid? I've heard a few people before say that it might be some form of Carcharodontosaurid, so I was just curious if that was possible based off of the remains we have.

Thanks.
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:iconscotthartman:
ScottHartman Featured By Owner 23 hours ago  Professional Digital Artist
Sorry, I really can't tell you which (if either) is more accurate, as I haven't worked up the Dryptosaurus material myself. Also, I'm not really happy enough with the evidence on megaraptorids one way or another to take an official stance - it's going to have to play out with more data collection and phylogenetic analyses first.
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:iconthescipio:
TheScipio Featured By Owner 16 hours ago  Hobbyist General Artist
That's completely understandable. Keep up the good work Scott, and have a nice day ^^.
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:iconshinreddear:
ShinRedDear Featured By Owner Aug 25, 2015
I don't know if you've heard about this one but it seems there was a recently discovered Tyrannosaurus rex specimen, rather complete and big, nicknamed "King Kong" and displayed in Germany. I can't find any scientific article on this apart form display details. What's your take on this one ? apps.ubmasia.com/eNews/newslet…
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:iconscotthartman:
ScottHartman Featured By Owner Aug 26, 2015  Professional Digital Artist
I'm actually unsure whether that specimen is the same as the Tristan specimen that is now on a 3-year loan in the Natural History Museum in Berlin or not - both are described as fairly complete specimens with black-colored bones from Montana (and both are apparently in Germany) but the King Kong nickname seems to only be used in relation to the Hong Kong and Munich shows, and Tristan is always used in articles about the specimen in Berlin. Could be a coincidence.

Either way, there aren't any scientific papers out. The team in Berlin is working on scanning and researching the (Tristan) specimen, and you can find German-language articles describing the arrangement they have. Hopefully that allows for some cool science to be done, but you'd have to inquire with the people actually doing that research.
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:iconshinreddear:
ShinRedDear Featured By Owner Aug 26, 2015
Thank you for the share of information. :)
So Tristan might be "Kong". I was indeed a bit suspicious because of lack
of scientific sources. And I do hope this specimen will be extensively studied. :)
Thank you very much for answering my question. ^^
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:icontigris115:
tigris115 Featured By Owner Aug 22, 2015
Because you did a bunch of dinosaurs with closed mouths, would you consider doing a bunch of dinosaurs in completely neutral positions like these.

julio-lacerda.deviantart.com/g…

Request aside, I'm extremely thankful you made all these references.
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:iconscotthartman:
ScottHartman Featured By Owner Aug 22, 2015  Professional Digital Artist
I've done some of those for specific projects I was consulting on, but outside of commissions I doubt it, as that would take a more significant time input than just closing the jaw, and actually shows off less information about the feet and ankles. But I do hope someday to do a post on centers of gravity, and I might do some representatives ones for that whenever I get around to it.
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:icontigris115:
tigris115 Featured By Owner Aug 22, 2015
Ok. It's just I'm doing Blender.
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:iconpaleojoe:
PaleoJoe Featured By Owner Aug 15, 2015  Student Traditional Artist
Hello Mr.Hartman I noticed on your theropod skeletal section that the Acrocanthosaurus' date is 2015,did you update it?
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