The other side of the Marginocephalia

IMGP0729Since I covered pachycephalosaurs the other day, it seem pertinent to put up a picture of a ceratopsian – the other group of dinosaurs that comprise the Marginocephalia. These are likely more familiar to many of you as in addition to ‘classics’ like Triceratops, I have also covered Protoceratops and Psittacosaurus on here at various times. Here however is the large ceratopsian Chasmosaurus, again taken from the Fukui Prefectural Dinosaur Museum. I’m off to Korea at rather short notice tomorrow, then off with a National Geographic film crew to Liaoning again and then off to the UK for SVP. As such the Musings may be a bit sparse over the next month, but I do have a fair few posts in waiting and I’ll have sufficient internet access to keep them coming, but my usual rate of one a day may go down a fair bit.

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8 Responses to “The other side of the Marginocephalia”


  1. 1 Richard 23/08/2009 at 5:16 pm

    Dave – you might want to correct to Marginocephalia. At the moment you’ve created a new clade name! ;-)

  2. 3 Christopher Collinson 24/08/2009 at 4:11 am

    Despite appearances, that particular mount is actually not Chasmosaurus at all, but rather one part imagination two parts material from an Albertaceratops bone bed.

    • 4 David Hone 24/08/2009 at 9:40 am

      Well the specimen was labelled as a Chasmosaurus and in fact is one of the few originals on display (or so i was told, I must confess I just took a couple of photos without really looking at it). That does not of course mean that it’s not a chimera or an Albertaceratops, I’m just going from what they say since I know very little about certopsians (as Richard has noted) and they know where they got it from.

  3. 5 Thomas R. Holtz, Jr. 24/08/2009 at 8:56 pm

    Christopher beat me to the punch. Yes, the material involved is Albertosaurus, but this mount was completed before the study of the type Albertosaurus material was completed, so they didn’t realize it was a chasmosaurine (or indeed a Chasmosaurus).

    • 6 Dave B 25/08/2009 at 12:24 am

      Don’t you mean Albertaceratops, not Albertasaurus?

      Albertaceratops:

      Albertasaurus:

      (Images stolen from a Google image search and used without permission.)

    • 8 David Hone 25/08/2009 at 9:23 am

      I suspect he does mean that, but you really can’t blame Tom for sneaking in extra references to tyrannosaurs…


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