I know this is hardly news any more, but here is a particularly spectacular example of a Large Language model (“artificial intelligence”) making mistake after mistake. My question: Who described Xenoposeidon, when and where?

I have a new paper out: Bas, A., Kay, K., Labovitz, J., and Wedel, M.J. 2024. New double and multiple variants of fibularis tertius. Extremitas 11: 111-118. This is a straight human anatomy paper, with a dual origin. But first let me tell you a little about the fibularis tertius muscle.

1. VARIATION An anatomical variant that shows up in 1 in 500 or 1 in 1000 humans is by medical standards pretty common; in a metro area the size of London or Los Angeles you’d expect to find 10,000 or 20,000 people with that variation.

Here at SV-POW!, we love bifurcated cervical ribs. Those of Turiasaurus are one of the autapomorphies proposed by Royo-Torres et al. (2006:figure 1K). Their diagnosis of the new genus included “accessory process projecting caudodorsally from the dorsal margin of the shafts of proximal cervical ribs”. Here is the best example of such a rib in Turiasaurus , attached to its vertebra.

As iconic as Brachiosaurus altithorax is, it’s known from surprisingly little material.

I was cleaning out my Downloads directory — which, even after my initial forays, still accounts for 11 Gb that I really need to reclaim from my perptually almost-full SSD. And I found this beautiful image under the filename csgeo4028.jpeg . Brachiosaurus altithorax holotype FMNH PR 25107 during excavation. The thing is, I have no idea where this image came from.

Eighteen months ago, I noted that the Carnegie Museum’s Diplodocus mount has no atlantal ribs (i.e. ribs of the first cervical vertebra, the atlas). But that the Paris cast has long atlantal ribs — so long the extend past the posterior end of the axis. There were two especially provocative comments to that post. First, Konstantin linked to a photo of the Russian cast (first mounted in St. Petersburg but currently residing in Moscow).

New paper out today with Logan King, Julia McHugh, and Brian Curtice, on pneumatic ribs in Apatosaurus and Brontosaurus (King et al. 2024). This one had an unusual gestation. In the summer of 2002 2022 I did a road trip to Utah and western Colorado with my friend and frequent collaborator Jessie Atterholt.

This is one of those things that has been sitting in my brain, gradually heating up and getting denser, until it achieved criticality, melted down my spinal cord, and rocketed out my fingers and through the keyboard. Stand by for caffeine-fueled testifyin’ mode.

I was struck by a Mastodon post where classic game developer Ron Gilbert quoted film critic Roger Ebert as follows: And Gilbert commented: In a reply, Gretchen Anderson said her favourite version of this is: I couldn’t find the original source for this, but as I was trying to track it down I ran into this, attributed to Pablo Picasso: When I mentioned these observations to Matt, he sent me a longer-form exposition of the same phenomenon,

I said last time that Jisc’s feeble transition-to-open-access report was the first of two disapointing scholarly-communication announcements that week. The second was of course the announcement that PeerJ has been acquired by Taylor and Francis. Matt and I have both been big fans of PeerJ since before it launched, and we were delighted to have our 2013 neck-anatomy paper in the first batch of articles published there.