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Sauropod Vertebra Picture of the Week

SV-POW! ... All sauropod vertebrae, except when we're talking about Open Access. ISSN 3033-3695
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In my 2009 brachiosaur paper, I gave rather short shrift to the sacrum of Brachiosaurus — in part because there is no really good sacrum of Giraffatitan to compare it to. Also my own photos of the sacrum, taken back before I figured out how to photograph big bones, are all pretty terrible. Happily, Phil Mannion took some much better photos and gave us permission to use them.

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Author Matt Wedel

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Last time, we saw why Haplocanthosaurus couldn’t be a juvenile of Apatosaurus or Diplodocus , based on osteology alone.  But there’s more: Ontogenetic status of Haplocanthosaurus Here is where is gets really surreal.

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In a new comment on an oldish post, Peter Adlam asked: I recently happened upon a picture of the late Jim Jenson standing beside the huge front leg of “Ultrasauros”, which leads me to ask a few questions. Did he really find a complete forelimb? Was the leg from Brachiosaurus altithorax?

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Most people think of Janensch’s (1950b) plate VIII as being the first skeletal reconstruction of “ Brachiosaurus ” (although Janensch’s species “ Brachiosaurus brancai is now referred to the separate genus Giraffatitan ).  And it certainly is a classic: {.size-full .wp-image-2616 aria-describedby=“caption-attachment-2616” loading=“lazy” attachment-id=“2616”

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The hot news on the block right now is the description of the new sauropod Abydosaurus mcintoshi , which, amazingly, is known from four more or less complete skulls (Chure et al. 2010).  This is unheard of — absolutely unprecedented.  There are few enough sauropods for which a skull is known at all; but four of them, all in decent nick, is breathtaking.

Published
Author Matt Wedel

Here’s one of those text-light photo posts that we always aspire to but almost never achieve. In the spring of 2008 I flew to Utah to do some filming for the History Channel series “Evolve”, in particular the episode on size, which aired later that year. I always intended to post some pix from that trip once the show was done and out, and I’m just now getting around to it…a bit belatedly.

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In my not-long-quite-so-recent-any-more paper on Brachiosaurus and Giraffatitan , I gave as one of the autapomorphies of Brachiosaurus proper that the glenoid articular surface of its coracoid is laterally deflected.  Although we’ve discussed this a little in comments on SV-POW!, it’s not yet made it into one of our actual articles.