Del Rio Formation Ptychodus

The name Ptychodus occidentalis will no longer be a valid name after the publishing of a professional paper by Shawn Hamm in the near future.  Ptychodus occidentalis is actually a sub-species of Ptychodus decurrens and when the paper is published I will have the updated name on my site.

Ptychodus occidentalis (decurrens) 1

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Ptychodus occidentalis (decurrens) 1

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Ptychodus occidentalis (decurrens) 1

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Ptychodus occidentalis (decurrens) 2

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Ptychodus occidentalis (decurrens) 2

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Ptychodus occidentalis (decurrens) 3

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Ptychodus occidentalis (decurrens) 3

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Ptychodus decurrens 1

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Ptychodus decurrens 1

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Ptychodus decurrens 1

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Ptychodus decurrens 2

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Ptychodus decurrens 2

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Ptychodus decurrens 2

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Ptychodus decurrens 3

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Ptychodus decurrens 3

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Ptychodus decurrens 4

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Ptychodus decurrens 4

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Ptychodus decurrens 4

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Ptychodus decurrens 5

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Ptychodus decurrens 5

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Ptychodus decurrens 6

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Ptychodus decurrens 6

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Ptychodus decurrens 7

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Ptychodus decurrens 7

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Ptychodus decurrens 8

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Ptychodus decurrens 8

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Ptychodus decurrens 9

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Ptychodus decurrens 10

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Ptychodus decurrens 11

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Ptychodus decurrens 12

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Ptychodus decurrens 13

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Ptychodus decurrens 14

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