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The Eomyidae in Asia: Biogeography, diversity and dispersals

KIMURA, Yuri (author)
Department of Geology and Paleontology, National Museum of Nature and Science
CASANOVAS-VILAR, Isaac (author)
Institut Català de Paleontologia Miquel Crusafont, ICTA-ICP
MARIDET, OLIVIER (author)
JURASSICA Museum, Route de Fontenais 21, CH-2900 Porrentruy, Switzerland
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KALTHOFF, Daniela (author)
Naturhistoriska riksmuseet,Enheten för zoologi
Mörs, Thomas, 1962- (author)
Naturhistoriska riksmuseet,Enheten för paleobiologi
TOMIDA, Yukimitsu (author)
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 (creator_code:org_t)
2020
2020
English.
In: Fossil Imprint. - : National Museum, Czech Republic. - 2533-4069 .- 2533-4050. ; 76:1, s. 181-200
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • In Asia, the first find of an eomyid rodent was reported almost one century after the first studies of the family Eomyidae in North America and Europe. Since then, eomyid rodents have been increasingly found in Asia particularly over the past two decades. Here, we review the Asian record of this family at the genus level. Currently, 22 species within 14 genera were reported from Asia, including seven endemic genera and rare materials of apeomyine eomyids. Eomyids emphasize the palaeogeographic importance of Asia in considering intercontinental dispersal events of small mammals. With newly compiled data for Asian eomyids, we also compare genus-level diversity trends through time among North America, Europe, and Asia. Despite data standardizations limited with respect to potential biases in the fossil record, we found that the Asian eomyid diversity closely follows ecological shifts induced by climate changes. In general, Asian eomyid genera disappeared earlier than their European counterparts. We suggest that this pattern is not dictated by differences in the quality of the fossil record and is related to the expansion of drier habitats over large areas of Asia.

Subject headings

NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Annan geovetenskap och miljövetenskap (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Other Earth and Related Environmental Sciences (hsv//eng)

Keyword

Rodentia
Eomyidae
palaeobiogeography
intercontinental dispersal
Valley of Lakes
Nei Mongol
Inner Mongolia
Junggar Basin
endemism
Ecosystems and species history
Ekosystem och arthistoria

Publication and Content Type

ref (subject category)
art (subject category)

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