葉夫根鳥屬(屬名:Evgenavis)是一種生存於下白堊紀的鳥類,其正模标本化石ZIN PH 1/154发现於西西伯利亞的伊萊克組,年代介於巴列姆期與阿普第期之间,約1億2500萬年前[1][2]。
參考文獻
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- ^ Hartman, Scott; Mortimer, Mickey; Wahl, William R.; Lomax, Dean R.; Lippincott, Jessica; Lovelace, David M. (2019). "A new paravian dinosaur from the Late Jurassic of North America supports a late acquisition of avian flight". PeerJ. 7: e7247. doi:10.7717/peerj.7247. PMC 6626525. PMID 31333906.