Mike’s and Matt’s excellent adventure in Pittsburgh continues! Today was Day 4, and just as yesterday offered us a unique opportunity to see the mounted Dipodocus and Apatosaurus skeletons up close on a lift, so today we got to look the two mounts from directly above!

If you followed along with the last post in this series, you now have some bird vertebrae to play with. Here are some things to do with them. 1. Learn the parts of the vertebrae, and compare them with those of other animals Why are we so excited about bird vertebrae around here?

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Matt’s drawn my attention to a bizarre fact: despite 17 separate posts about Xenoposeidon on this blog (linked from here and here), we’ve never shown a decent scan of Lydekker’s (1893) original illustration of NHMUK PV R2095, the partial mid-to-posterior dorsal vertebra that since Taylor and Naish (2007) has been the holotype specimen of Xenoposeidon proneneukos — and since Taylor (2018) has been known to represent a

An important paper is out today: Carpenter (2018) names Maraapunisaurus , a new genus to contain the species “ Amphicoelias ” fragillimus , on the basis that it’s actually a rebbachisaurid rather than being closely related to the type species Amphicoelias altus . {.size-full .wp-image-15433 aria-describedby=“caption-attachment-15433” loading=“lazy” attachment-id=“15433”

Here’s the story of my fascination with supramedullary airways over the last 20 years, and how Jessie Atterholt and I ended up working on them together, culminating with her talk at SVPCA last week. (Just here for the preprint link?

No time right now for me to dig into the interesting and important discussion on how we should orient vertebrae (here and here so far) – that will be coming soon. In the meantime, here’s something else.

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Remember this broken Giraffatitan dorsal vertebra, which Janensch figured in 1950?

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