Бурдигал burdigal burdigal International Chronostratigraphic Chart (2017) Burdygał Aquitanian Age Burdigal Burdigalian Burdigal Miocene Epoch Neogene Period Burdigaliano Phanerozoic Eon a1.1.1.2.2.5 Burdigalien Burdigalien Cenozoic Era younger bound -15.97 Ma Burdigaliense burdigalij バーディガリアン期 Base of Burdigalian Burdigaliën-Hemmoor older bound -20.44 Ma Base of Langhian Burdigalis Langhian Age burdigaliano burdigaliai 布迪加尔期 Burdigalian Age Burdigali Burdigalium Burdigalium