NON-AVIAN DINOSAUR EGGSHELL CALCITE CONTAINS ANCIENT, ENDOGENOUS AMINO ACIDS
E. T. Saitta, J. Vinther, M. K. Crisp, G. D. Abbott, T. G. Kaye, M. Pittman, I. Bull, I. Fletcher, X. Chen, M. J. Collins, J. Sakalauskaite, M. Mackie, F. Dal Bello, M. R. Dickinson, M. A. Stevenson, , K. E. H. Penkman
The paper analyzes amino acids in non-avian dinosaur eggshells, finding evidence of endogenous proteins preserved through closed-system processes, but also indicating complete hydrolysis of most amino acids.
Geochimica et Cosmochimica Acta · Jan 1, 2024Peer-reviewedPaleontology