Talk:Tianyulong

Tianyulong possibly redated?
Dr. Thomas Holtz's 2009 syllabus mentions the rocks Tianyulong was discovered in being redated to the Late Jurassic. Can anyone shed some light on this and decide if some sort of editing is under way? Albertonykus (talk) 01:12, 14 November 2009 (UTC)
 * I haven't heard anything about this. Maybe Holtz mistakenly thinks it's from the mid-late Jurassic Tiaojishan formation where Anchiornis etc. come from? Or are we mistaken in attributing it to the Yixian? Dinoguy2 (talk) 01:57, 14 November 2009 (UTC)
 * I e-mailed Dr. Holtz on the subject. Here's his reply: "Early Late Jurassic, actually. Yes, Dave Unwin discussed this at SVP in the context of Darwinopterus; in fact, the redating of the formation is discussed in that paper (or maybe its supplementary data)." Albertonykus (talk) 01:27, 15 November 2009 (UTC)
 * Will need to find a cite, but Darwinopterus isn't from the same formation as Tianyulong as far as I know. Darwinopterus is Tiaojishan, Tianyulong is Yixian. Dinoguy2 (talk) 19:25, 15 November 2009 (UTC)
 * That's what I thought, too, but here's Dr. Holtz's answer: "Nope, it is from the Tiaojishan. The original paper simply said 'Jehol Group', which many took to mean 'Yixian'. Unwin announced the actual stratigraphic status of the provanence and setting of Tianyulong at SVP, as did Xu in the context of Anchiornis." Albertonykus (talk) 22:33, 15 November 2009 (UTC)
 * Ok, that makes sense.Dinoguy2 (talk) 03:34, 16 November 2009 (UTC)

Tianyu Museum of Nature needs a writeup!
Page doesn't yet exist, but when someone writes it -- and they should, as it is home to the world’s largest collection of complete dinosaur fossils, per the NY Times: By DAN LEVIN, DEC. 2, 2015. --Pete Tillman (talk) 20:05, 11 May 2017 (UTC)