Tyrannosaurus mcraeensis

Tyrannosaurus mcraeensis er ný tegund innan ættkvíslarinnar Grameðlur (Tyrannosaurus)^[1]. Hún var uppi 6-7 milljónum fyrr en grameðlan (T. rex) og var svipað stór^[1].

↑ ^1,0 ^1,1 Dalman, S. G., Loewen, M. A., Pyron, R. A., Jasinski, S. E., Malinzak, D. E., Lucas, S. G., Fiorillo, A. R., Currie, P. J., & Longrich, N. R. (2024). A giant tyrannosaur from the campanian–maastrichtian of southern North America and the evolution of tyrannosaurid gigantism. Scientific Reports, 13(1). https://doi.org/10.1038/s41598-023-47011-0

[:0-1] 1,0 ^1,1 Dalman, S. G., Loewen, M. A., Pyron, R. A., Jasinski, S. E., Malinzak, D. E., Lucas, S. G., Fiorillo, A. R., Currie, P. J., & Longrich, N. R. (2024). A giant tyrannosaur from the campanian–maastrichtian of southern North America and the evolution of tyrannosaurid gigantism. Scientific Reports, 13(1). https://doi.org/10.1038/s41598-023-47011-0

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