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Asian land mammal age information


The Asian land mammal ages, acronym ALMA, establish 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 is known to predate the last appearance event of another. If two taxa are found in the same fossil quarry or at the same stratigraphic horizon, then their age-range zones overlap.

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Asian land mammal age

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The Asian land mammal ages, acronym ALMA, establish a geologic timescale for prehistoric Asian fauna beginning 58.7 Mya during the Paleogene and continuing...

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European land mammal age

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The European Land Mammal Mega Zones (abbreviation: ELMMZ, more commonly known as European land mammal ages or ELMA) are zones in rock layers that have...

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South American land mammal age

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The South American land mammal ages (SALMA) establish a geologic timescale for prehistoric South American fauna beginning 64.5 Ma during the Paleocene...

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North American land mammal age

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The North American land mammal ages (NALMA) establishes a geologic timescale for North American fauna beginning during the Late Cretaceous and continuing...

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Biochronology

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sections (in contrast to biostratigraphy, where they are). Collections of land mammal ages have been defined for every continent except Antarctica, and most are...

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Hsanda Gol Formation

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Hsandagolian Asian Land Mammal Age, to which it gives its name. The 2600 feet thick Hsanda Gol formation is covered in various places by Miocene-age variegated...

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Alma

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Watertown, Massachusetts, United States Asian land mammal age, a geologic timescale for prehistoric Asian fauna Atacama Large Millimeter Array, a radio...

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Selandian

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American Land Mammal Age, the Peligran, Tiupampan and lower Itaboraian South American Land Mammal Ages and part of the Nongshanian Asian Land Mammal Age. It...

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Bartonian

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part of the Divisaderan South American Land Mammal Age and is coeval with the Sharamururian Asian Land Mammal Age. [citation needed] The Auversian regional...

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Rupelian

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Land Mammal Mega Zones (the Rupelian spans the Mammal Paleogene zones 21 through 24 and part of 25), and the lower Hsandgolian Asian Land Mammal Age....

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Ergilin Dzo Formation

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date back to the late Eocene epoch. The type fauna of the Ergilian Asian land mammal age is defined by the mammalian fossils of this formation. Based on...

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Gashatan

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Gashatan is an Asian Land Mammal Age, a large biozone which corresponds to ages between 58.7–55.8 Ma for finds of fossil mammals in Asia. This zone lies...

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Thanetian

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mammal ages, the Riochican and part of the Itaboraian South American land mammal ages and the upper Nongshanian and Gashatan Asian land mammal ages....

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Mammal

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A mammal (from Latin mamma 'breast') is a vertebrate animal of the class Mammalia (/məˈmeɪli.ə/). Mammals are characterized by the presence of milk-producing...

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List of largest mammals

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The following is a list of largest mammals by family. The largest of these insectivorous mammals is the giant otter shrew (Potamogale velox), native to...

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Lutetian

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Land Mammal Ages, the upper Arshantan and Irdinmanhan Asian Land Mammal Ages, and the Mustersan and lower Divisaderan South American Land Mammal Ages. It...

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Pleistocene

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camels were wiped out. Asian land mammal ages (ALMA) include Zhoukoudianian, Nihewanian, and Yushean. European land mammal ages (ELMA) include the Villafranchian...

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Ulangochuian

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Ulangochuian age is a period of geologic time (37.2–33.9 Ma) within the Late Eocene epoch of the Paleogene used more specifically with Asian Land Mammal Ages. It...

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Tabenbulakian

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specifically with Asian Land Mammal Ages. It follows the Hsandagolian age. The Tabenbulakian's lower boundary is the approximate base of the Chattian age and upper...

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Priabonian

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Barrancan and Mustersan South American Land Mammal Ages and the Ulangochuian and Ergilian Asian Land Mammal Ages. Zachos, J. C.; Kump, L. R. (2005). "Carbon...

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Kekeamuan

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is used more specifically with Asian Land Mammal Ages. It follows the Houldjinian and precedes the Hsandagolian age. The Kekeamuan's upper boundary is the...

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Hsandagolian

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Hsandagolian age is a period of geologic time (33.9 – 23.03 Ma) within the Oligocene epoch of the Paleogene used more specifically with Asian Land Mammal Ages. It...

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Aquatic mammal

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molts, and breeds on land; and the capybara and hippopotamus which are able to venture in and out of water in search of food. Mammal adaptation to an aquatic...

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Bumbanian

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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...

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Danian

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North American land mammal ages and the Shanghuan and lowest part of the Nongshanian Asian land mammal ages. It includes the oldest Mammal Paleogene zones...

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Asian elephant

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grief, learning, greeting etc. The Asian elephant is the largest living land animal in Asia. Since 1986, the Asian elephant has been listed as Endangered...

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Ypresian

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American Land Mammal Ages, the Casamayoran South American Land Mammal Age and the Bumbanian and most of the Arshantan Asian Land Mammal Ages. It is also coeval...

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Marine mammal

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few eat other mammals. While the number of marine mammals is small compared to those found on land, their roles in various ecosystems are large, especially...

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