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 Paleo discoveries of 2017.

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PostSubject: Re: Paleo discoveries of 2017.   Sat May 13, 2017 8:06 pm

i suspected as much--i'd glanced over the article the other day (it was mentioned in the prehistoric animal thread on AH.com, too) and didn't see any genus names in there at all. i'm interested in seeing what they eventually name this new animal Smile
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PostSubject: Re: Paleo discoveries of 2017.   Sun May 14, 2017 5:57 pm

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PostSubject: Re: Paleo discoveries of 2017.   Thu May 18, 2017 8:12 am

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PostSubject: Re: Paleo discoveries of 2017.   Thu May 18, 2017 9:49 am

@Rhedosaurus wrote:
T. rex had a bite force of 8,000 pounds and 431,000 pounds per square inch.

It was a really pleasant surprise to see Greg Erickson in this video and sharing his findings in this article. I remember first seeing him in the 'Making-Of' documentary for 'Walking With Dinosaurs', he was quite young then. And then I saw him again in the Horizon episode 'T. Rex: Warrior or Wimp?', there he was testing the bite forces of crocodiles to determine the strength of a T. rex bite force, but estimates were not conclusive at that point, with bite force estimates as high as 40,000 pounds of force.

As much as it is a nostalgic feeling, it makes me feel old as well. Like seeing Sam Neill, Jeff Goldblum or Laura Dern aged up from their film counterparts.

With such an incredible bite force that exceeds that of similar giant theropods like Giganotosaurus, I wouldn't be surprised if a single T. rex bite would be enough to mortally wound a Sauropod, if it were faced with such a challenge.
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PostSubject: Re: Paleo discoveries of 2017.   Sat Jun 03, 2017 9:45 am

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PostSubject: Re: Paleo discoveries of 2017.   Sun Jul 09, 2017 11:40 am

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PostSubject: Re: Paleo discoveries of 2017.   Sun Jul 16, 2017 12:59 pm

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PostSubject: Re: Paleo discoveries of 2017.   Tue Jul 18, 2017 6:17 pm

So a new study claims that T. rex couldn't run beyond 17 mph.

And I call this bullcrap. We know that hadrosaurs and big ceratopians could go up to 25-30 mph. We also know that T. rex hunted healthy prey via semi-healed injuries that those dinosaurs suffered due to T. rex bites. So T. rex had to have been capable of some bursts of speed.

The only way how this makes sense is if it was specially adapted to hunt the 90+ foot long sauropod, Alamosaurus, which was much slower. And as of now, that dinosaur only got as far north as Central Utah. And T. rex had a much larger range/distribution.
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PostSubject: Re: Paleo discoveries of 2017.   Thu Jul 20, 2017 5:27 pm

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PostSubject: Re: Paleo discoveries of 2017.   Thu Jul 27, 2017 2:47 pm

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PostSubject: Re: Paleo discoveries of 2017.   Sat Jul 29, 2017 6:41 pm

According to Thomas Holtz and David Hone, T. rex really didn't need to be fast to be a dominant predator.

Holtz also makes the point that the study is flawed since it doesn't take into account the speed of it's prey.
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PostSubject: Re: Paleo discoveries of 2017.   Sun Jul 30, 2017 12:03 pm

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PostSubject: Re: Paleo discoveries of 2017.   Wed Aug 02, 2017 6:18 pm

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PostSubject: Re: Paleo discoveries of 2017.   Thu Aug 03, 2017 6:09 pm

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PostSubject: Re: Paleo discoveries of 2017.   Thu Aug 03, 2017 6:54 pm

@Rhedosaurus wrote:
That one mummified nodosaur has been named Borealopelta markmitchelli. It also used camouflage to help hide from predators.

It's interesting that even armored dinosaurs used camouflage.

I always love it when new discoveries shed light on what colour dinosaurs would have had when they were alive, ten years ago we didn't know that Microraptor's feathers were an iridescent black, and now we know that Ankylosaurs needed camouflage to avoid large theropods. We tended to think of them as the "invulnerable" herbivores, but I think that honour might go to Triceratops if this evolutionary trait is any indication.
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PostSubject: Re: Paleo discoveries of 2017.   Thu Aug 03, 2017 7:32 pm

@BarrytheOnyx wrote:
@Rhedosaurus wrote:
That one mummified nodosaur has been named Borealopelta markmitchelli. It also used camouflage to help hide from predators.

It's interesting that even armored dinosaurs used camouflage.

I always love it when new discoveries shed light on what colour dinosaurs would have had when they were alive, ten years ago we didn't know that Microraptor's feathers were an iridescent black, and now we know that Ankylosaurs needed camouflage to avoid large theropods. We tended to think of them as the "invulnerable" herbivores, but I think that honour might go to Triceratops if this evolutionary trait is any indication.

Don't forget the titanosaurs, although even that's up for debate since even an Alamosaurus fossil had T. rex teeth found nearby. I'd like to think that only the nodosaurs used camouflage while the advanced ankylosaurs didn't. Or at least full grown ones since they had more solid armor and that war hammer for a tail. Even more so those that lived in China and Mongolia since they didn't have quite as much trees as North America did.
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PostSubject: Re: Paleo discoveries of 2017.   Sun Aug 06, 2017 2:54 pm

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PostSubject: Re: Paleo discoveries of 2017.   Wed Aug 09, 2017 6:46 pm

That one titanosaur has been named as Patagotitan mayorum.

Depending on what website you read, it's between 112-120 ft long and roughly 70 tons. Though I believe that Alamosaurus weighed just as much despite being a bit smaller at 90+ ft long.
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PostSubject: Re: Paleo discoveries of 2017.   Thu Aug 17, 2017 7:11 pm

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PostSubject: Re: Paleo discoveries of 2017.   Wed Aug 23, 2017 9:18 pm

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PostSubject: Re: Paleo discoveries of 2017.   Fri Aug 25, 2017 11:08 pm

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PostSubject: Re: Paleo discoveries of 2017.   Sat Aug 26, 2017 4:01 pm

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PostSubject: Re: Paleo discoveries of 2017.   Mon Aug 28, 2017 8:09 pm

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PostSubject: Re: Paleo discoveries of 2017.   Tue Aug 29, 2017 7:15 pm

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PostSubject: Re: Paleo discoveries of 2017.   Wed Aug 30, 2017 1:14 am

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PostSubject: Re: Paleo discoveries of 2017.   Wed Aug 30, 2017 1:59 pm

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PostSubject: Re: Paleo discoveries of 2017.   Sun Sep 03, 2017 5:06 pm

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PostSubject: Re: Paleo discoveries of 2017.   Fri Sep 08, 2017 9:31 pm

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PostSubject: Re: Paleo discoveries of 2017.   Tue Sep 12, 2017 8:38 pm

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PostSubject: Re: Paleo discoveries of 2017.   Thu Sep 14, 2017 7:23 pm

Update on that one Triceratops that was found in Colorado.

It's not only very complete, but it also has a complete skull as well.
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PostSubject: Re: Paleo discoveries of 2017.   Tue Sep 19, 2017 6:52 pm

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PostSubject: Re: Paleo discoveries of 2017.   Wed Sep 20, 2017 9:04 pm

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PostSubject: Re: Paleo discoveries of 2017.   Thu Sep 21, 2017 4:00 am

@Rhedosaurus wrote:
That one Triceratops fossil in Colorado has been all excavated. Only 15% of the skeleton was found, but they did dig up 80% of the skull. It's also the most complete Cretaceous period dinosaur fossil ever found in Colorado.

With Colorado being rich with Jurassic fossils, one could have imagined that there would have been a wealth of late Cretaceous fossils waiting to be found. Still, good work to all the paleontologists involved in the dig!
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PostSubject: Re: Paleo discoveries of 2017.   Thu Sep 21, 2017 7:00 pm

@BarrytheOnyx wrote:
@Rhedosaurus wrote:
That one Triceratops fossil in Colorado has been all excavated. Only 15% of the skeleton was found, but they did dig up 80% of the skull. It's also the most complete Cretaceous period dinosaur fossil ever found in Colorado.

With Colorado being rich with Jurassic fossils, one could have imagined that there would have been a wealth of late Cretaceous fossils waiting to be found. Still, good work to all the paleontologists involved in the dig!

I also remember that a T. rex leg was found in Denver by a dog quite some time ago. So we have found Cretaceous dinosaurs in that state before this Triceratops was found.
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PostSubject: Re: Paleo discoveries of 2017.   Sat Sep 23, 2017 6:13 am

Herbivorous dinosaurs may have eaten crustaceans

I remember when the suggestion was made that Triceratops might have been a partial scavenger, I thought it was total bollocks, maintaining that an ecosystem would fall apart if the herbivores turned out to be omnivorous. But now we have coprolite evidence that indicates Hadrosaurs may have supplemented their diet with crustaceans, now I have to wonder if other Ornithiscicians did the same thing.
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PostSubject: Re: Paleo discoveries of 2017.   Sat Sep 23, 2017 9:11 am

@BarrytheOnyx wrote:
Herbivorous dinosaurs may have eaten crustaceans

I remember when the suggestion was made that Triceratops might have been a partial scavenger, I thought it was total bollocks, maintaining that an ecosystem would fall apart if the herbivores turned out to be omnivorous. But now we have coprolite evidence that indicates Hadrosaurs may have supplemented their diet with crustaceans, now I have to wonder if other Ornithiscicians did the same thing.

I still say that we need more hard evidence to support the notion of Triceratops being a part-time scavenger. One of the things that irks me is that how paleontology is seemingly overwhelmed by speculation and not nearly enough hard data. Yes, I know that speculation has always been part of paleontology, but it seems like it's overshadowed the science recently.
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PostSubject: Re: Paleo discoveries of 2017.   Sat Sep 23, 2017 11:59 am

@Rhedosaurus wrote:


I still say that we need more hard evidence to support the notion of Triceratops being a part-time scavenger. One of the things that irks me is that how paleontology is seemingly overwhelmed by speculation and not nearly enough hard data. Yes, I know that speculation has always been part of paleontology, but it seems like it's overshadowed the science recently.

True, the reliance on sensationalist announcements, even with evidence to back it up, gets under my skin big time. Plus a fossil like this probably represented a very small proportion of what went into a hadrosaur's diet. I still think we need hard evidence of a similar nature to confirm the same thing for Triceratops, which I'm still not buying because of the ecological damage that would cause if a known prey animal scavenged en masse.
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PostSubject: Re: Paleo discoveries of 2017.   Sat Sep 23, 2017 12:58 pm

@BarrytheOnyx wrote:
@Rhedosaurus wrote:


I still say that we need more hard evidence to support the notion of Triceratops being a part-time scavenger. One of the things that irks me is that how paleontology is seemingly overwhelmed by speculation and not nearly enough hard data. Yes, I know that speculation has always been part of paleontology, but it seems like it's overshadowed the science recently.

True, the reliance on sensationalist announcements, even with evidence to back it up, gets under my skin big time. Plus a fossil like this probably represented a very small proportion of what went into a hadrosaur's diet. I still think we need hard evidence of a similar nature to confirm the same thing for Triceratops, which I'm still not buying because of the ecological damage that would cause if a known prey animal scavenged en masse.

I can Trike scavenging now and then under really desperate situations but not nearly as much like some people would like to think.

What really bugs me is how many people still believe Horner's discredited notion of T. rex being a pure scavenger/a part time hunter that could only kill off weaklings-old, sick, wounded, etc and how most in the media still peddle that crap. Never mind that we already found solid proof that T. rex did hunt live and healthy prey, but we also have semi-healed bite marks on hadrosaurs and Triceratops fossils.
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PostSubject: Re: Paleo discoveries of 2017.   Sun Sep 24, 2017 9:00 pm

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PostSubject: Re: Paleo discoveries of 2017.   Thu Sep 28, 2017 6:20 pm

Burianosaurus augusta is a newly described basal ornithopod from the Czech Republic It's named after Czech palaeoartist, Zdeněk Burian.

Maybe it's just me, but I think it's a bit...rushed to describe a dinosaur based on just one left femur.
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PostSubject: Re: Paleo discoveries of 2017.   Tue Oct 03, 2017 6:36 pm

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PostSubject: Re: Paleo discoveries of 2017.   Mon Oct 09, 2017 4:09 pm

Fossilized Chasmosaurus skull extracted by helicopter and was shipped to Ottawa and then the  Canadian Museum of Nature.

Apparently, they think they can learn about the evolution of Chasmosaurus via this skull.
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PostSubject: Re: Paleo discoveries of 2017.   Thu Oct 12, 2017 7:10 pm

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PostSubject: Re: Paleo discoveries of 2017.   Mon Oct 16, 2017 9:26 pm

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PostSubject: Re: Paleo discoveries of 2017.   Wed Oct 18, 2017 8:02 pm

Brantner Elementary School students named the Thornton Triceratops, Tiny.

Not only is this the most complete Cretaceous fossil found in Colorado, but it's also the largest Cretaceous dinosaur found in Colorado.
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