’Tribotherians’ (Stem Boreasphenidans)

DESCRIBER    Dashzeveg, 1975
TIME    Cretaceous Early
Aptian Albian
CLASS    Mammalia
SUBCLASS    Boreasphenida
ORDER    Aegialodontia
FAMILY    Aegialodontidea
FOSSILSITE    \"Höövör Beds\", Gobi Dessert, Mogolia
INFO

Type species by monotype. Based on an isolated lower molar (holotype) and a dentary with four molars and possibly four double-rooted alveoli for premolars.