Published in Sauropod Vertebra Picture of the Week

If you keep an eye on the wacky world of zoological nomenclature, you’ll know that earlier this year Emanuel Tschopp and Octávio Mateus published a petition to the International Commission on Zoological Nomemclature, asking them to establish Diplodocus carnegii , represented by the ubiquitous and nearly complete skeleton CM 84, as the type species of Diplodocus . That is because Marsh’s (1878) type species, YPM 1920, is a pair

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