Hsandagolian

The Hsandagolian age is an Asian Land Mammal Age (33.9 – 31 Ma)[1] within the Oligocene epoch of the Paleogene. It follows the Kekeamuan or the Ergilian,[1] and precedes the Tabenbulakian age.[1] It is named after the Hsanda Gol Formation of Mongolia and correlates to the Orellan and (partially) the Whitneyan NALMAs in North America.[2]

References

  1. 1 2 3 Bai, Bin; Wang, Yuan-Qing; Li, Qian; Wang, Hai-Bing; Mao, Fang-Yuan; Gong, Yan-Xin; Meng, Jin (2018). "Biostratigraphy and Diversity of Paleogene Perissodactyls from the Erlian Basin of Inner Mongolia, China". American Museum Novitates. 3914 (3914): 1–60. doi:10.1206/3914.1. ISSN 0003-0082.
  2. ↑ Kraatz, Brian P.; Geisler, Jonathan H. (2010). "Eocene–Oligocene transition in Central Asia and its effects on mammalian evolution". Geology. 38 (2): 111–114. doi:10.1130/G30619.1. ISSN 1943-2682.


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