Arroyo Formation (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Arroyo Formation" in English language version.

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  • Lucas, Spencer G. (2018). "Permian tetrapod biochronology, correlation and evolutionary events". Geological Society, London, Special Publications. 450 (1): 405–444. Bibcode:2018GSLSP.450..405L. doi:10.1144/SP450.12. ISSN 0305-8719. S2CID 134768451.

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  • Lucas, Spencer G. (2018). "Permian tetrapod biochronology, correlation and evolutionary events". Geological Society, London, Special Publications. 450 (1): 405–444. Bibcode:2018GSLSP.450..405L. doi:10.1144/SP450.12. ISSN 0305-8719. S2CID 134768451.
  • Maddin, Hillary C.; Evans, David C.; Reisz, Robert R. (2006-12-11). "An Early Permian varanodontine varanopid (Synapsida: Eupelycosauria) from the Richards Spur locality, Oklahoma". Journal of Vertebrate Paleontology. 26 (4): 957–966. doi:10.1671/0272-4634(2006)26[957:AEPVVS]2.0.CO;2. ISSN 0272-4634. S2CID 130455511.
  • Gregory, Joseph T.; Peabody, Frank E.; Price, Llewellyn L. (1956). "Revision of the Gymnarthridae, American Permian Microsaurs". Bulletin of the Peabody Museum of Natural History. 10: 1–77. S2CID 51541428.
  • Gee, Bryan M. (2018). "Reappraisal of the early Permian dissorophid Alegeinosaurus from Texas, USA". PalZ. 92 (4): 661–669. Bibcode:2018PalZ...92..661G. doi:10.1007/s12542-018-0421-9. S2CID 89844574.

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