The Mounts of Deep Time

Well, guess it’s time to cover more of “Deep Time”. In this post, mounts shown on the website, video, and on social media will be covered. So, without further ado, let’s dive into the skeletal mounts of NMNH.

Nation's T. rex frontal
The star of “Deep Time”. Source

Naturally, the main attraction of the fossil hall will be the T. rex display. This mount is probably the most publicized display in “Deep Time” out there. It’s a spectacular mount, portraying the Nation’s T. rex(the original specimen of what used to be dubbed “Wankel Rex”) attempting to decapitate a cast of the Smithsonian’s staple Triceratops, “Hatcher”. There is no doubt that this display will be incredibly accurate. Research Casting International is at the top of their field. You can even see a scar of battle on “Hatcher”, on its left horn, where the tip is broken off. From another view, the ribs of Hatcher are slightly cracked from the foot of Tyrannosaurus One great thing about the mount of “Wankel” is that reconstructed portions(excluding the cast skull) are clearly marked out, showing visitors that complete skeletons aren’t as common as older museum exhibits would cause them to believe. For me, this is probably going to be the most spectacular mount of a real Tyrannosaurus specimen in the world.


Megaloceros is one of the NMNH’s oldest fossil mounts, having been put on display in the Smithsonian “castle” in 1872. All renditions of the mount so far have been in the standard, regal, pose that almost all Megaloceros mounts are in. Therefore, this sitting pose is a very nice change from orthodox. According to Extinct Monsters, the sitting pose was chosen because those huge antlers will now be brought down to near-eye level. This will probably offer a completely different perspective on the antlers of Megaloceros, and emphasize the extravagance and huge size of them. Next, one of my favorite mounts of Deep Time.

Deep Time Smilodon
Pure awesomeness. Source

The Smithsonian’s new Smilodon mount has got to be one of the most dynamic and unique mammal mounts in the hall. Looking at concept art, it’s going to be in its own little glass display, and it’s going to be essentially lunging towards the visitor. The pose is also not just good for aesthetics, but also good for showing off those huge teeth better, since they’ll be much closer to the visitors. It almost feels like an accented version of the old mount of Smilodon, in which it was in a pose very much like this, but with a more upraised body, in a confrontation with a Paramylodon(which will not be returning).

Diplodocus Deep Time
The construction of the NMNH Diplodocus, with a Christmas tree in the background. Source

The dismantling of the Smithsonian’s Diplodocus in 2014 marked the first time the entire mount was moved in 83 years. As of July 31st, the Diplodocus is under construction, with its head craning out(presumably hanging above the visitors), once again in normal diplodocid horizontal fashion(because Taylor et al. 2009 doesn’t exist). It really does look like a pretty normal Diplodocus mount, which is a bit disappointing, considering that so much other new mounts in Deep Time have dynamic poses. Oh, and there’s the little nitpick of not being able to take good photos of the entire mount without that giant cardboard-looking conifer in the way. In the background of the photo, you can see two displays completed already: the mastodon and the Xiphactinus. And so, let’s transition into those two displays a bit.

Deep Time (2)
An unfortunate situation for the Indiana mastodon. Source

Unlike it seems in the first photo, the mastodon will not be displayed alone. Two (presumably human) hunters will be tossing spears at the giant proboscidean. A human hunting scene like this is a very nice addition to Deep Time, emphasizing one main topic of the exhibit: the impact of humans on this planet. That impact is very much reflected in this display. This new mount will be much more dynamic than the rather plain standing pose it’s assumed in previous incarnations of the fossil hall. Now, moving on to the fish.

Deep Time Xiphactinus
R.I.P. Thryptodus. Source

The pose of the Xiphactinus in Deep Time is identical to its pose in the pre-2014 fossil halls for obvious reasons. This specimen has technically been off-display for much longer than other returning specimens, due to the August 2011 earthquake that closed the upper mezzanine, where Xiphactinus was displayed. In the new hall, it will be brought down much closer to ground level, displayed next to what presumably is Tylosaurus. In Ed Yong’s article for The Atlantic, which the photo of the Diplodocus is from, it’s also stated that the Eremotherium, the Smithsonian’s resident giant ground sloth, is also completed. Anyway, moving on to the NMNH’s other sauropod, Camarasaurus.

Deep Time Camarasaurus
It seems the Camarasaurus wants to munch on that shabby-looking conifer. Source

The new pose of the NMNH Camarasaurus is very unique and very dynamic. And it’s a huge improvement of the roadkill-type display it was in during the age of the pre-2014 fossil halls. This pose comes at a surprise, due to the Camarasaurus not being seen rearing up in the concept art of Deep Time. But it’s a very welcome surprise, because this will very much emphasize the size of Camarasaurus, in much contrast to the old display.  But…that tree is just…really poorly done. It doesn’t even seem like they’re trying to do any convincing habitat immersion.

And so, we are done. Much new details on mounts are expected to trickle through in the next year, so be on the lookout for that.


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