Capítulo de Libro
Summary: Milestones in the evolution of south
Título del libro: A brief history of south american metatherians: Evolutionary contexts and intercontinental dispersals
Goin, Francisco Javier
; Woodburne, Michael O.; Zimicz, Ana Natalia
; Martin, Gabriel Mario
; Chornogubsky Clerici, Laura
Otros responsables:
Goin, Francisco Javier
; Woodburne, Michael O.; Zimicz, Ana Natalia
; Martin, Gabriel Mario
; Chornogubsky Clerici, Laura
Fecha de publicación:
2016
Editorial:
Springer
ISBN:
978-94-017-7418-5
Idioma:
Inglés
Clasificación temática:
Resumen
We summarize the configuration of plates, geographical barriers, and possible dispersal events during the Late Cretaceous–Cenozoic between North and South America, the Caribbean, Antarctica, and Australia. The arrival of metatherians in South America was a Late Cretaceous event, and probably a Maastrichtian one. There are few doubts that the first metatherians in this continent arrived from North America. We suggest that not only eutherian mammals but also metatherians may have reached South America from the north in a series of successive dispersal waifs. This FABI (First American Biotic Interchange) may have replicated the successive waif dispersal mood of the late Cenozoic GABI (Great American Biotic Interchange). The initial radiation of basal South American metatherian lineages (“Ameridelphia”) may have already occurred by Late Campanian-Maastrichtian times. We also suggest that a cooling pulse happening by the Latest Cretaceous (Late Maastrichtian, ca. 68–67 Ma) may have been involved in the origin of the Australidelphia, as part of the southern (Austral Kingdom) Nothofagus biota. Four out of six faunal phases were involved in the evolution of South American metatherians: (1) Early South American (Late Cretaceous to the Late Eocene), Late South American (Early Oligocene to late Miocene), Interamerican (Plio–Pleistocene), and Hypoamerican (Holocene). The first of these phases involved the arrival and expansion of many lineages and adaptive types. The global cooling by the Eocene–Oligocene Boundary implied the extinction of many (mostly tropical) lineages, as well as the diversification of several specialized ones. The third of these faunal phases transpired during a time lapse of ecological imbalance and global cooling, while the last phase saw already much impoverished metatherian associations throughout the continent.
Palabras clave:
Metatheria
,
Marsupialia
,
Cenozoic
,
South America
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Capítulos de libros(CCT - LA PLATA)
Capítulos de libros de CTRO.CIENTIFICO TECNOL.CONICET - LA PLATA
Capítulos de libros de CTRO.CIENTIFICO TECNOL.CONICET - LA PLATA
Capítulos de libros(CIEMEP)
Capítulos de libros de CENTRO DE INVESTIGACION ESQUEL DE MONTAÑA Y ESTEPA PATAGONICA
Capítulos de libros de CENTRO DE INVESTIGACION ESQUEL DE MONTAÑA Y ESTEPA PATAGONICA
Capítulos de libros(IBIGEO)
Capítulos de libros de INST.DE BIO Y GEOCIENCIAS DEL NOA
Capítulos de libros de INST.DE BIO Y GEOCIENCIAS DEL NOA
Capítulos de libros(MACNBR)
Capítulos de libros de MUSEO ARG.DE CS.NAT "BERNARDINO RIVADAVIA"
Capítulos de libros de MUSEO ARG.DE CS.NAT "BERNARDINO RIVADAVIA"
Citación
Goin, Francisco Javier; Woodburne, Michael O.; Zimicz, Ana Natalia; Martin, Gabriel Mario; Chornogubsky Clerici, Laura; Summary: Milestones in the evolution of south; Springer; 2016; 209-237
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