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In the summer of 2015, Brian Engh and I stopped at the Copper Ridge dinosaur trackway on our way back from the field. The Copper Ridge site is 23 miles north of Moab, off US Highway 191. You can find a map, directions, and some basic information about the site in this brochure. The BLM has done a great job of making this and other Moab-area dinosaur trackways accessible to the public, with well-tended trails and nice interpretive signage.

I have before me the reviews for a submission of mine, and the handling editor has provided an additional stipulation: In other words, the first time I mention Diplodocus , I should say “ Diplodocus Marsh 1878″; and I should add the corresponding reference to my bibliography.

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

I love Utah. I love how much of the state is given over to exposed Mesozoic rocks.

Folks, For a forthcoming minor paper, I need a good-quality scan of Hatcher’s 1901 monograph on Diplodocus carnegii — specifically, plate VI, the photographs of the cervicals in posterior view.