The Paleontology Thread

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DynomikeGojira
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Re: The Paleontology Thread

Post by DynomikeGojira »

Well my fellow paleontology enthusiasts I got several new dinosaur species for y'all.
Dzharatitanis kingi, a rebbachisaurid of the Bissekty Formation in Uzbekistan
https://journals.plos.org/plosone/artic ... ne.0246620

Ninjatitan zapatai, the earliest known titanosaur found in the the Bajada Colorada Formation of Argentina
https://www.ameghiniana.org.ar/index.ph ... /view/3376

Tamarro insperatus, basal troodontid found in the Tremp Fromation of Spain
https://www.nature.com/articles/s41598-021-83745-5

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Voyager
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Re: The Paleontology Thread

Post by Voyager »

Ahh Argentina. How fitting a place for the earliest known Titanosaur?
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Gomi: Ninja Monster
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Re: The Paleontology Thread

Post by Gomi: Ninja Monster »

Say hello to the newest addition to the "This looks like it was drawn by a child" club, Aquilolamna milarcae

https://www.abc.net.au/news/science/202 ... /100014976
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Gawdziller1954
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Re: The Paleontology Thread

Post by Gawdziller1954 »

Well lads, i'm back.

https://palaeo-electronica.org/content/ ... -body-size

Megalodon length scaled using novel, accurate method to get a maximum size of 20.6 meters, supporting it as possibly the largest macropredator ever

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LegendZilla wrote: Fri Feb 19, 2021 7:30 pm Anyone think it's possible that one day they'll find mummified remains of a ground sloth, or any other extinct native South American creature frozen in a Andean glacier?
https://cryptidarchives.fandom.com/wiki/Neomylodon
https://en.wikipedia.org/wiki/Cueva_del ... l_Monument

Florentino Ameghino and Francisco Moreno did that a century ago when they recovered Mylodon skin from a cave in Chilean patagonia and native hunters. The latter case prompted Ameginho to speculate the animal was still extant or was extant more recently than we thought.
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SoggyNoodles2016
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Re: The Paleontology Thread

Post by SoggyNoodles2016 »

A new species of the middle Jurassic wukongopterid Kupengopterus antipollicatus has been described with an insane new feature: to better adapt to it's life in trees, IT HAD OPPOSABLE THUMBS, the oldest example in the current fossil record!

https://www.cell.com/current-biology/fu ... 21)00369-9

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Leviarex
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Re: The Paleontology Thread

Post by Leviarex »

A recent calculation was done to determine the total T-Rex population during the 2.4 million years it was alive:

https://www.reuters.com/lifestyle/scien ... 021-04-15/

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tbeasley
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Re: The Paleontology Thread

Post by tbeasley »

Make sure to dust your Tyrannosaur skeletons -
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SoggyNoodles2016
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Re: The Paleontology Thread

Post by SoggyNoodles2016 »


A mass bone bed of Teratophoneus found in Utah has become the third piece of evidence of tyrannosaurs living in gregarious family groups, on top of existing bone beds of Albertosaurus and Daspletosaurus


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Also, included in the jumbled dinosaur and marine creature bones of the bone bed, is the first ever complete juvenile Deinosuchus skeleton.
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JAGzilla
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Re: The Paleontology Thread

Post by JAGzilla »

Cool. I always kind of thought that using bone beds like that as evidence for pack behavior in tyrannosaurs was a bit flimsy, but I guess if we just keep finding them, it starts to look less like a series of coincidences and more like a pattern.
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Gawdziller1954
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Re: The Paleontology Thread

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JAGzilla wrote: Thu Apr 22, 2021 10:24 pm Cool. I always kind of thought that using bone beds like that as evidence for pack behavior in tyrannosaurs was a bit flimsy, but I guess if we just keep finding them, it starts to look less like a series of coincidences and more like a pattern.
It is a bit flimsy, but we have what appear to be family groups in the bonebeds. There's no way for sure to know if it wasn't just a coincidence but a multi-age group is indicative of a family group. However we can't be sure if T.rex or other giants like it were gregarious.
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shadowgigan
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Re: The Paleontology Thread

Post by shadowgigan »

Interesting. I've always assumed huge predators like Tyrannosaurs were "lone wolves" of a sort. Idk why I thought this, honestly, but it seemed reasonable.

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JAGzilla
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Re: The Paleontology Thread

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shadowgigan wrote: Wed May 05, 2021 9:33 am Interesting. I've always assumed huge predators like Tyrannosaurs were "lone wolves" of a sort. Idk why I thought this, honestly, but it seemed reasonable.
It's not like you were alone, heh. That's been their standard portrayal since day one. And in most modern terrestrial ecosystems the largest carnivore (a bear, tiger, crocodile, etc) is solitary, so it's easy to subconsciously assume dinosaurs would be the same.
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SoggyNoodles2016
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Re: The Paleontology Thread

Post by SoggyNoodles2016 »

From what I can gather, they would be mostly on their own. They would be good parents who had complicated family relationships (raising their kids and hunting alongside them, as well as snapping at each other for hiearchy) and having semi-social mass gatherings for large amounts of food (wasn't the Albertosaurus bonebed not too far from a Centrosaurus/Pachyrhinosaurus bonebed?). Ironically, close to how most of those predators are social with other members of the species.
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Re: The Paleontology Thread

Post by Tyrant_Lizard_King »

Its been theorized that Tyrannosaurs lived in family groups and that the young adults acted like wolves or lionesses being much swifter than the adults. The young would track and chase down prey forcing it into the waiting jaws of the adults.
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Gawdziller1954
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Re: The Paleontology Thread

Post by Gawdziller1954 »

JAGzilla wrote: Wed May 05, 2021 11:08 am
shadowgigan wrote: Wed May 05, 2021 9:33 am Interesting. I've always assumed huge predators like Tyrannosaurs were "lone wolves" of a sort. Idk why I thought this, honestly, but it seemed reasonable.
It's not like you were alone, heh. That's been their standard portrayal since day one. And in most modern terrestrial ecosystems the largest carnivore (a bear, tiger, crocodile, etc) is solitary, so it's easy to subconsciously assume dinosaurs would be the same.
Crocodiles have exhibited cooperative hunting, especially in Cuban Crocodiles.
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Re: The Paleontology Thread

Post by gottatalktothefake »

Reposting here:

YouTuber Klayton Fiorti had an interview with a paleontologist that specializes in tyrannosaurs and had a discussion with him about how accurate the T. rex is from the movies that lasted over an hour.

Apparently they did a really good job with the rex. The specialist said it’s probably the franchises’ most accurate dinosaur along with carnotaurus. He said they got the design and behavior almost perfect, but were pretty hit or miss with the biomechanics (correct with smell, wrong with speed and eyesight).

So yeah, we have paleontologists acknowledging what the franchise does right.

https://m.youtube.com/watch?v=XyKbB73HExE
Last edited by gottatalktothefake on Wed May 19, 2021 9:18 pm, edited 1 time in total.
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JAGzilla
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Re: The Paleontology Thread

Post by JAGzilla »

Happy #MorrisonMay!



What's everyone's favorite Morrison Formation animal? Stegosaurus and Apatosaurus, for me. They're both in my top five favorite dinosaurs.
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Gigantis
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Re: The Paleontology Thread

Post by Gigantis »

JAGzilla wrote: Wed May 26, 2021 4:11 am Happy #MorrisonMay!



What's everyone's favorite Morrison Formation animal? Stegosaurus and Apatosaurus, for me. They're both in my top five favorite dinosaurs.
What's the video? I can't see it.
Last edited by Gigantis on Wed May 26, 2021 5:13 am, edited 1 time in total.
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JAGzilla
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Re: The Paleontology Thread

Post by JAGzilla »

Gigantis wrote: Wed May 26, 2021 5:13 am
JAGzilla wrote: Wed May 26, 2021 4:11 am Happy #MorrisonMay!



What's everyone's favorite Morrison Formation animal? Stegosaurus and Apatosaurus, for me. They're both in my top five favorite dinosaurs.
What's the video? I can't see it.
Yeah, that keeps happening for me. Don't know what the problem is. The video is by E.D.G.E., and is just an announcement/explanation of Morrison Formation Week.
"Stop wars and no more accidents. I guess that's all I can ask." -Akio

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SoggyNoodles2016
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Re: The Paleontology Thread

Post by SoggyNoodles2016 »

I'm basic but Ceratosaurus has always had my heart
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