Proterogyrinus (Ukrainian Wikipedia)

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

refsWebsite

Global rank Ukrainian rank

6^th place

6^th place

1biodiversitylibrary.org

387^th place

682^nd place

2^nd place

4^th place

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

Haines, Tim; Paul Chambers (2006). The Complete Guide to Prehistoric Life. Canada: Firefly Books. с. 38.

biodiversitylibrary.org (Global: 387^th place; Ukrainian: 682^nd place)

Romer, A.S. (30 квітня 1970). A new anthracosaurian labyrinthodont, Proterogyrinus scheelei, from the Lower Carboniferous. Kirtlandia. 10: 1—16.

doi.org (Global: 2^nd place; Ukrainian: 4^th place)

Holmes, R. (2 листопада 1984). The Carboniferous Amphibian Proterogyrinus scheelei Romer, and the Early Evolution of Tetrapods. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. 306 (1130): 431—524. doi:10.1098/rstb.1984.0103.