Replicas Old And New

FE78883B-F1FA-413E-BBBC-A5A5DEA2D07C-n8iu6ootct.jpeg I just got got two new replicas. One, the Mercuriceratops, above, depicts a mid Campanian ceratopsian. The blue color may be unrealistic, but it is noteworthy that Mercuriceratops appears typical of taxa in which display was emphasized. The skull was highly ornamented. The lateral projections do not appear in crown members of the clade. You can read more about it in my blog The End of Frills.


My new Torosaurus toy, above, depicts a late surviving, but apparently not latest Maastrichtian ceratopsian. Torosaurus may seem as well armed as Triceratops, but retains some of the earlier emphasis on display. The frill is hypertrophied and fenestrated, suggesting the dinosaur had not eschewed “frills” to the same degree as the more successful T. horridus or T. prorsus.


I thought I’d include this new pic of Carcharodontosaurus attacking Spinosaurus. It may have been a fairly common event in Africa during the Cenomanian.

So... what do you think? Please leave me a comment.


  • JMD: Those are sure some long horns on the Torosaurus!
  • starman: Right. It may not have fared as well as Triceratops but it sure outlasted Pachyrhinosaurus (no orbital horns).
  • Migatte: I genuinely find it hard to believe that C. saharicus would regularly attack S. aegyptiacus in Cenomanian Bahariya, as Spinosaurus was too large, being the largest theropod as of February 4, 2018.
  • starman: Well I’d assume Carcharodontosaurus evolved giant size to deal with the enormous potential prey of its environment, not just Spinosaurus but Paralititan.
    It is likely, though, as Hone opined, that theropods like modern predators, tended to go after easier juvenile quarry whenever possible.
  • Migatte: We see predators eating smaller predators all the time, and while C. saharicus is (in my opinion) the second largest theropod, S. aegyptiacus was considerably larger, which might stop the carcharodontosaurine to attack, as the larger body mass of S. aegyptiacus would allow it to be stronger.
  • starman:

    Big theropods might’ve hunted in groups, and there’s evidence for audacity. Stegosaurus was obviously dangerous yet we have proof Allosaurus fought it, and presumably, as a predator, initiated the fights. Likewise, Triceratops was dangerous yet T. rex went after it. I always assumed the largest theropods evolved their sizes to enable them to take on large prey, including sauropods. There’s an apparent correlation between the evolution of predatory giants and giant herbivores—Giganotosaurus and Andesaurus, Mapusaurus and Argentinosaurus, Carcharodontosaurus and Paralititan, Acrocanthosaurus and Sauroposeidon etc. I don’t think that was an accident; I’ve felt it safe to assume an ecological association.

  • Vale: Thanks for sharing these! What do scientists use to predict the color of the dinosaurs? I remember reading about melanosomoes, but were these present in all dinosaurs?
  • Carnoferox: I did a blog on dinosaur melanosomes over a year ago.
  • Vale: Thanks for posting the link Carnoferox!
  • Migatte: The coevolution of sauropods and theropods is interesting, I may have to do a blog on it!
  • starman: In previous blogs of mine, I noted evidence for theropod-sauropod co-evolution since the mid Jurassic.

Add Your Own Comment:

By clicking 'Submit' you agree to the Site Terms
By entering this site you declare you read and agreed to its Terms, Rules & Privacy and you understand that your use of the site's content is made at your own risk and responsibility. Copyright © 2006 - 2018 Dinosaur Home