2-762: The Bumbanian is an Asian Land Mammal Age (ALMA), a large biozone which corresponds to ages between 55.8–46.8 Ma for finds of fossil mammals in Asia . This zone lies within the Ypresian stage of the Eocene series . It follows the Gashatan ALMA and precedes the Arshantan ALMA. This geochronology article is a stub . You can help Misplaced Pages by expanding it . Asian Land Mammal Age The Asian land mammal ages , acronym ALMA , establish
4-546: A geologic timescale for prehistoric Asian fauna beginning 58.7 Mya during the Paleogene and continuing through to the Miocene ( Aquitanian ) (23.03 Ma). These periods are referred to as ages, stages, or intervals and were established using geographic place names where fossil materials where obtained. The basic unit of measure is the first/last boundary statement. This shows that the first appearance event of one taxon
#415584