Polybranchiaspidida Posted July 15 Share Posted July 15 The seller thought they are Xiphactinus audax tooth. And it’s really cool for me but I am not an expert about these kind of fish. So I look for some help here. Plz share your ideas and help me. Thank you! Formation: Eutaw Formation Location: Monroe County, Mississippi Age: 85-81 mya, Cretaceous The sun rises as usual. Link to comment Share on other sites More sharing options...
rocket Posted July 15 Share Posted July 15 very short, but they look like real tooth and could be Xiphactinus Link to comment Share on other sites More sharing options...
Carl Posted July 15 Share Posted July 15 I agree that they all look like real teeth but none look like Xiphactinus to my eye. 1 Link to comment Share on other sites More sharing options...
Randyw Posted July 15 Share Posted July 15 I agree they are real teeth but I’m not sure about the i.d. Given… The teeth can be a bit troublesome to identify and easily confused with the teeth of more common Enchodus. Xiphactinus teeth have a double cutting edge and are fluted (flat sections). The fluting is subtle and a strong light may be needed to see it. Link to comment Share on other sites More sharing options...
Polybranchiaspidida Posted July 15 Author Share Posted July 15 (edited) 31 minutes ago, Randyw said: 我同意它们是真正的牙齿,但我不确定id。给定... 牙齿识别起来有点麻烦,很容易与更常见的Enchodus的牙齿混淆。Xiphactinus的牙齿有双切削刃,并且有凹槽(扁平部分)。凹槽是微妙的,可能需要强光才能看到它。 Are there some Enchodus in Eutaw fm? Edited July 15 by Polybranchiaspidida The sun rises as usual. Link to comment Share on other sites More sharing options...
Polybranchiaspidida Posted July 15 Author Share Posted July 15 What about it? Protosphyraena or Xiphactinus? The sun rises as usual. Link to comment Share on other sites More sharing options...
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