Finally, while I tremble to contradict HP Carpenter ("No sweeping generalities about herding can be made"), I thought it was the case that most or maybe even all ceratopsian bonebeds are of centrosaurine species ... though it's perfectly possible that he knows of chasmosaur bonebeds that I wot not of.
Andy
-- Andrew A. Farke, Graduate Student Department of Anatomical Sciences Stony Brook University T8 040 Health Science Center Stony Brook, NY 11794-8081
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