“Scaled beasts” Giraffatitan skull
Back in June, I saw a series of tweets by sculptor and digital artist Ruadhrí Brennan, showing off the work he’d been doing on sculpting brachiosaurid skulls: Giraffatitan, Brachiosaurus (based on the Felch Quarry skull USNM 5730) and Europasaurus. Impressed, I asked if he would send a Giraffatitan skull, and here it is!
You can immediately see two things: one, it’s good. (I’ll have more to say about this.) And second, it’s small, It’s leaned up against a stack of smallish coins in this photo, to give me the true lateral perspective I wanted, and those coins (10p, 20p, 20p, 5p) also make a decent ad-hoc scalebar.
In fact, it’s sculpted at 1:10 scale — about 9 cm from the tip of the premaxilla to the rearmost projection of the parietals, implying about 90 cm total length for the skull MB.R.2223.1 (“t 1”) — a figure surprisingly difficult to find in the literature (can anyone help?) but consonant with how big it seems in real life.
At that scale, the detail is pretty amazing. Its not just that the overall proportions of the skull are so true, but the visible junctions between the bones — as for example between the paired ascending processes of the two premaxilae, as apparent in anterior view — but the texture of the bone, including things like vascular foramina for the lips but also just straight-up bone surface. It’s a lovely job.
This view is a pretty good match for what we used in the second Shedloads of Awesome post back in 2008 — in fact, let’s just put them side by side so we can compare more easily.
As you can see, I slightly muffed the photography of the model — I could do a better job of matching the aspect I tried. But we’re in the ballpark, and it’s easy to see from this angle how much the model skull really couldn’t be anything other than what it is. That said, there are a few places where it seems the bone junctions don’t quite match those of the real skull. Most obviously, in the real skull the lacrimal seems to laterally overlap the maxilla both dorsally and ventrally, whereas in the model it fits in more neatly behind. But I am inclined to think this is not so much a mistake as a correction to allow for poor articulation and distortion in the original — a restoration, in other words.
Here’s a different oblique view:
The story here really is just what an odd shape this familiar skull is when viewed in this perspective, and a valuable reminder that we should all try to avoid getting too suckered in by the over-familiar lateral views of various things. 3D objects are weird. They trick you. That’s why, for example, two scapulae that look very different in photos might actually be very similar in reality: the difference is in the angle of the photograph, not in the photographed bones.
Anyway, moving on from that cautionary tale …
The key takeaway is really just that this Giraffatitan skull is very nice, and it leaves me wishing I also had the Camarsaurus one for comparison … even though camarsaurs are ugly and stupid.
Oh, what’s that you say? You want a Giraffatitan skull of your very own? Well, you can have one: get it from the Scaled Beasts shop!
Source: https://svpow.com/2021/11/22/scaled-beasts-giraffatitan-skull/
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