Ignotornis was a bird ichnogenus dating back to the Barremian-Cenomanian of Colorado, Canada and South Korea.[1]

Footnotes

  1. ^ "Bird Tracks," in Lockley, Janke, and Theisen (2001). Pg. 446.

References

  • Lockley, M. G., Janke, P., and Theisen, L., 2001, First reports of bird and ornithopod tracks from the Lakota Formation (Early Cretaceous), Black Hills, South Dakota: In: Mesozoic Vertebrate Life, edited by Tanke, D. H., and Carpenter, K., Indiana University Press, pp. 443–452.


Allikas: https://en.wikipedia.org/wiki/Ignotornis
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