Geological and paleogeographic maps of Burmese amber. (A) Geological map showing the position of Burmese amber in Hukawng Valley, northern Myanmar. (B) Paleogeographic map showing the position (red triangle) of Burmese amber site during Late Albian (Figure 1)
Tingting Yu, Richard Kelly, Lin Mu, Andrew Ross, Jim Kennedy, Pierre Broly, Fangyuan Xia, Haichun Zhang, Bo Wang, and David Dilcher
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<cite style="font-style:normal">Tingting Yu, Richard Kelly, Lin Mu, Andrew Ross, Jim Kennedy, Pierre Broly, Fangyuan Xia, Haichun Zhang, Bo Wang, and David Dilcher (2019). "An ammonite trapped in Burmese amber". <i>Proceedings of the National Academy of Sciences</i> (23): 11345-11350. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1073/pnas.1821292116">10.1073/pnas.1821292116</a>.</cite>