Bulganbaatar

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Bulganbaatar
Temporal range: Late Cretaceous
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Multituberculata
Superfamily: Djadochtatherioidea
Genus: Bulganbaatar
Zofia Kielan-Jaworowska, 1974
Species
  • B.nemegtbaataroides

Bulganbaatar is an extinct genus of early mammals from the Upper Cretaceous.

It is a member of the extinct order Multituberculata. It lies within the suborder Cimolodonta and is a member of the superfamily Djadochtatherioidea. The genus Bulganbaatar was named by Zofia Kielan-Jaworowska in 1974 after the village of Bulgan situated near Bayn Dzak. [1] It is one of many Cretaceous aged mammal discoveries made by Kielan-Jaworowska and co-workers from Central Asian sites. Kielan-Jaworowska considered B.nemegtbaatorides to be the ancestor to the genus Nemegtbaatar due to similarity but more derived teeth in the latter, hence the names. [2] According to Kielan-Jaworowska and Hurum, both Bulganbaatar and Nemegtbaatar are distinctive for exhibiting "elongation of the last upper premolar and molars, and an increase in their cusp numbers." [3]

Fossil remains of Bulganbaatar have been found in Upper Cretaceous-aged strata of the Djadokhta Formation of Mongolia and Kazakhstan. [4] [5] Their appearances range between 84 to 81 Million years ago, from the late Santonian to the early Campanian ages. [6] [7]

Notes

  1. Kielan-Jaworowska, 1974 p 31
  2. Kielan-Jaworowska 1974, p 26, 37
  3. Kielan-Jaworowska and Hurum, 2001, p 390
  4. Averianov 1997
  5. Kielan-Jaworowska, 1974 p 31
  6. Wilson et al 2012, Supplemental Table 3
  7. Kielan-Jaworowska, 1974 p 31

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References