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Description
Stegosaurus armatus
"Quarry 5" Fauna
bloodypencil sketch
based on the Bob Bakker's drawing
under scientific supervision by
Matthew T. Mossbrucker
Director and Chief Curator
____________________________
Morrison Natural History Museum
"What a bizarre animal! Now that you have it, I will explain the oddity a bit. Armatus is still mostly unprepared, even 134 years after its discovery. The skeleton is Bob Bakker's drawing of Stegosaurus cf. ungulatus, (USNM 6646) that I modified for Armatus, (which is only known from the tail). The tall height of the neural spines is the only reason why I linked Ungulatus with Armatus.
I prepared this diagram before we finished cleaning one of the sets of neural spines, which appeared broken when unprepared. When the bones were cleaned, they demonstrated that the neural spines were a bit twisted, and that the true height was revealed. Therefore, the top of the neural spines, as photographed, is the actual height of the tail. In the end, the tail on Armatus is tall, taller than other North American species, just not as exaggerated as my drawing."
Matt
"Quarry 5" Fauna
bloodypencil sketch
based on the Bob Bakker's drawing
under scientific supervision by
Matthew T. Mossbrucker
Director and Chief Curator
____________________________
Morrison Natural History Museum
"What a bizarre animal! Now that you have it, I will explain the oddity a bit. Armatus is still mostly unprepared, even 134 years after its discovery. The skeleton is Bob Bakker's drawing of Stegosaurus cf. ungulatus, (USNM 6646) that I modified for Armatus, (which is only known from the tail). The tall height of the neural spines is the only reason why I linked Ungulatus with Armatus.
I prepared this diagram before we finished cleaning one of the sets of neural spines, which appeared broken when unprepared. When the bones were cleaned, they demonstrated that the neural spines were a bit twisted, and that the true height was revealed. Therefore, the top of the neural spines, as photographed, is the actual height of the tail. In the end, the tail on Armatus is tall, taller than other North American species, just not as exaggerated as my drawing."
Matt
Image size
4232x2761px 2.61 MB
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Comments7
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what a buff looking tail
i love this pencil style
i love this pencil style