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First Ptychodus tooth - species ID?


TSCannon

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Hi all - finally found a Ptychodus tooth here in Central Texas. Is this one in good enough shape to narrow it down to species? Thanks!


 

 

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Nice tooth! I don't know these enough to identify which species but here's the go-to guide:

 

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4 minutes ago, patelinho7 said:

Nice tooth! I don't know these enough to identify which species but here's the go-to guide:

 

Thanks! I looked through it but I’m not confident enough to make an ID myself. Curious to see if anyone else can! 

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Branching ridges makes me think Ptychodus occidentalis or Ptychodus decurrens. Hard to decide between the two. P. decurrens is generally lower crowned, and I think this has more of a P. decurrens look to the ridges.

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I second EPIK. Definitely Ptychodus decurrens. 7 parallel ridges. Low to moderate crown height. Anastomatizing ridges to the tooth margin. It has that dark brown to black color from the Bouldin Flags member or Lower South Bosque Member of the Eagle Ford. Probably a lateral tooth file. Really nice specimen!

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1 hour ago, LSCHNELLE said:

I second EPIK. Definitely Ptychodus decurrens. 7 parallel ridges. Low to moderate crown height. Anastomatizing ridges to the tooth margin. It has that dark brown to black color from the Bouldin Flags member or Lower South Bosque Member of the Eagle Ford. Probably a lateral tooth file. Really nice specimen!

Thanks so much! 

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2 hours ago, EPIKLULSXDDDDD said:

Branching ridges makes me think Ptychodus occidentalis or Ptychodus decurrens. Hard to decide between the two. P. decurrens is generally lower crowned, and I think this has more of a P. decurrens look to the ridges.

Thanks for the help!

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Congrats! For where you are, it's very well preserved. I have not personally seen such a nice P. decurrens tooth, especially from gravel. 

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“Not only is the universe stranger than we think, it is stranger than we can think” -Werner Heisenberg 

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2 hours ago, Jared C said:

Congrats! For where you are, it's very well preserved. I have not personally seen such a nice P. decurrens tooth, especially from gravel. 

Thanks! This was in the general area I usually search, but a new spot a mile or two away. I spotted it within the first two minutes, sitting out in plain sight. Found another projectile point too. It was so insanely hot outside that I didn’t stay long, but I look forward to getting back there and exploring more. 

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