American spadefoot toads (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "American spadefoot toads" in Simple English language version.

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livingunderworld.org

  • "Scaphiopodidae (Cope, 1865) American Spadefoot Toads". Archived from the original on 2006-08-30. Retrieved 2006-05-12.

web.archive.org

  • "Scaphiopodidae (Cope, 1865) American Spadefoot Toads". Archived from the original on 2006-08-30. Retrieved 2006-05-12.