Direct chemical evidence for eumelanin pigment from the Jurassic period

Keely Glass, Shosuke Ito^*, Philip R. Wilby, Takayuki Sota, Atsushi Nakamura, C. Russell Bowers, Jakob Vinther, Suryendu Dutta, Roger Summons, Derek E.G. Briggs, Kazumasa Wakamatsu, John D. Simon

^*この研究の対応する著者