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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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This just in, from Zurriaguz and Powell’s (2015) hot-off-the-press paper describing the morphology and pneumatic features of the presacral column of the derived titanosaur Saltasaurus . (Thanks to Darren for bringing this paper to my attention.) Now, as everyone knows, titanosaurs don’t have epipophyses. In fact, they’re the one major sauropod group where Matt has not observed them. Until today.