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Dinosaur Isle places Caulkicephalus at the Barremian-Aptian borderline, at 125 MA. Not sure if that's accurate but at least it's something. 75.211.160.25 ( talk) 18:34, 21 October 2008 (UTC) reply

Well, as far as I know the Wessex Formation is from the first part of the Barremian, whereas the paper placed Caulkicephalus more to the end of the Wessex. So about 127-128 million years ago?-- MWAK ( talk) 12:15, 3 September 2009 (UTC) reply