JGandy Posted February 2, 2021 Share Posted February 2, 2021 Hi again! I figured since you were all so helpful with the fake trilobite that'd I would show you the mosa tooth I bought from the same seller. How does this look? It hasnt arrived yet so this picture came from the seller. Then as a bonus, this is the trilobite I'm thinking of getting to replace the fake I'm sending back. This one has to be real right? Link to comment Share on other sites More sharing options...
Kane Posted February 2, 2021 Share Posted February 2, 2021 The trilobite appears to be Metacanthina sp. ...How to Philosophize with a Hammer Link to comment Share on other sites More sharing options...
Praefectus Posted February 2, 2021 Share Posted February 2, 2021 Hello. Your mosasaur tooth is Prognathodon sp. It is real, but the crown has a large section of repair. The tip was broken off from the rest of the tooth and re-attached. Unfortunately, this may be a case of compositing where the current tip and the rest of the tooth came from two unrelated specimens. @Kane I'm not great with trilobites, but I think Metacanthina was reclassified as Hollardops. My trilo knowledge is lacking so I might be wrong. 1 Link to comment Share on other sites More sharing options...
Kane Posted February 2, 2021 Share Posted February 2, 2021 31 minutes ago, Praefectus said: . @Kane I'm not great with trilobites, but I think Metacanthina was reclassified as Hollardops. My trilo knowledge is lacking so I might be wrong. You’re right. I must have temporarily slipped into my time machine. 1 ...How to Philosophize with a Hammer Link to comment Share on other sites More sharing options...
Huntonia Posted February 2, 2021 Share Posted February 2, 2021 I agree with Hollardops, and does look to be genuine. You can see a repaired crack running through the trilobite, detailed eye facets and what looks to be some dings from preperation. Link to comment Share on other sites More sharing options...
Troodon Posted February 2, 2021 Share Posted February 2, 2021 Your mosasaur tooth is real, no resto evident on the side shown. Looks like some of the enamel has come off in the center of the crown. Handle with care to avoid more coming off. 1 Link to comment Share on other sites More sharing options...
JGandy Posted February 2, 2021 Author Share Posted February 2, 2021 Once again you people are awesome! Link to comment Share on other sites More sharing options...
Praefectus Posted February 2, 2021 Share Posted February 2, 2021 I found some pictures of the opposite side of the tooth from the seller. @Troodon I think this might be a case of repair. 2 Link to comment Share on other sites More sharing options...
Troodon Posted February 2, 2021 Share Posted February 2, 2021 Tip might have been reattached need to clean some of the matrix Link to comment Share on other sites More sharing options...
pachy-pleuro-whatnot-odon Posted February 3, 2021 Share Posted February 3, 2021 I agree, it looks like the tooth lost its enamel on one side (actually, the photographs are not clear enough to see whether the white part is dentine or restoration), but was repaired on the other side. Probably it's just a gap that has been filled, but there's a slight chance that the tooth has been fitted back together. The tip and base + root seem to belong together, however. 'There's nothing like millions of years of really frustrating trial and error to give a species moral fibre and, in some cases, backbone' -- Terry Pratchett Link to comment Share on other sites More sharing options...
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