Sphenacodon (Ukrainian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sphenacodon" in Ukrainian language version.

refsWebsite

Global rank Ukrainian rank

6^th place

6^th place

archive.org (Global: 6^th place; Ukrainian: 6^th place)

Berman, D.S. (1977). A New Species of Dimetrodon (Reptilia, Pelycosauria) from a Non-Deltaic Facies in the Lower Permian of North-Central New Mexico. Journal of Paleontology. 51 (1): 108—115.
Palmer, D., ред. (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. с. 187. ISBN 1-84028-152-9.