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On a Carboniferous Ammonite from Texas

Angelo Heilprin
Proceedings of the Academy of Natural Sciences of Philadelphia
Vol. 36 (1884), pp. 53-55
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Page Count: 3
Subjects: Biological Sciences
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Notes and References

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    Heilprin, " On the Age of the Tejon Rocks of California, and the Occur- renice of Ammonitic Rema us in Tertiary Deposits." Proc. Acad. Nat. Sciences of Philadelphia, July, 1882