The San Angelo Formation, Permian of Texas, and Its Vertebrates

@article{Olson1953TheSA,
  title={The San Angelo Formation, Permian of Texas, and Its Vertebrates},
  author={E. C. Olson and J. Beerbower},
  journal={The Journal of Geology},
  year={1953},
  volume={61},
  pages={389 - 423}
}
A vertebrate fauna has been obtained from the San Angelo formation, Permian, of Hardeman and Foard counties, Texas. This formation, which is composed of sandstones, red shales, and conglomerates, is considered to be of earliest middle Permian age. It appears to have been deposited by a series of major streams with three different source areas. The environment of deposition was deltaic, and beds seem to have been laid down under alternating wet and dry conditions. Eight genera of vertebrates, a… Expand
43 Citations
A global hiatus in the Middle Permian tetrapod fossil record
  • 70
  • PDF
THE EVOLUTION OF MAMMALIAN CHARACTERS
  • 58
Global Permian tetrapod biostratigraphy and biochronology
  • S. Lucas
  • Geology
  • Geological Society, London, Special Publications
  • 2006
  • 121
Olson's Extinction and the latitudinal biodiversity gradient of tetrapods in the Permian
  • 31
...
1
2
3
4
5
...

References

SHOWING 1-10 OF 20 REFERENCES
Climate Through the Ages
  • 261
Fauna of the upper Vale and Choza, 1-5: Fieldiana, Geology, v
  • A preliminary report on vertebrates in the Permian Vale formation of Texas: Jour. Geology, v. 56
  • 1948
Permian of West Texas and southeastern New Mexico: Bull
  • Am. Assoc. Petroleum Geologists
  • 1942
Preliminary description of the new Permian and Triassic tetrapoda from the
  • 1940
Permian red beds of Kansas
  • 12
...
1
2
...