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Brontosaurus yahnahpin

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Brontosaurus yahnahpin - Despite its species name, it doesn't really wear a breast necklace, dinosaurs don't even have breasts...


Temporal range: Late Jurassic, Kimmeridgian, around ~154 Ma

Length: Around ~20-21 meters
Probable mass: Around ~20 tonnes

Etymology: Thunder reptile, with a breast necklace


Eobrontosaurus yahnahpin was a species of apatosaurine diplodocoid sauropodomorph that lived in what is now the Morrison Formation in North America. In 2015, Eobrontosaurus was sunk into Brontosaurus.

It was originally described as a species of Apatosaurus, and it's species name was a reference to its sternal ribs that resemble the hair pipes of the Native American Lakota tribe. The genus Eobrontosaurus (meaning "dawn thunder reptile") was erected by Bakker in 1998 when his evaluations found this creature to be a more primitive form.
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Requested by :iconsauropodslover:
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UPDATE(9/13/2015): Retextured skin and redrawn face
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RizkiusMaulanae's avatar
Why B. yahnahpin ? Why not B. excelsus ?
SpinoInWonderland's avatar
The request was for an Eobrontosaurus life reconstruction.
RizkiusMaulanae's avatar
Can I have a request ? I want brontosaurus excelsus, please :)
TheScipio's avatar
Do you have a referance you used for this, because I can't find one on the internet. Great job by the way :D!!!
TheScipio's avatar
Asuma17's avatar
This wasn't studied until 98' thats like 90 years later. Beside that note the Eobrontosaurus is pretty cool for an early Apatosaurus even if it is smaller…if memory serves me right Eobrontosaurus use to be a synonym for Apatosaurus because after looked further they first thought it was just a young Apatosaurus. I've seen the Lakota tribe before and now I see why the Eobrontosaurus got the species name.

Good thing you put their species name too along with their meaning that helps a lot!
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